/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.trace.refinement.strategy FIXED_PREFERENCES --traceabstraction.compute.interpolants.along.a.counterexample Craig_NestedInterpolation --traceabstraction.smt.solver Internal_SMTInterpol --traceabstraction.compute.trace.for.counterexample.result false --traceabstraction.use.minimal.unsat.core.enumeration true --traceabstraction.additional.smt.options enumeration-timeout=5 --traceabstraction.additional.smt.options interpolation-heuristic=DEEPEST -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/product-lines/minepump_spec2_product19.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-5644d1e-m [2020-08-18 20:54:01,475 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-08-18 20:54:01,478 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-08-18 20:54:01,515 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-08-18 20:54:01,516 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-08-18 20:54:01,525 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-08-18 20:54:01,527 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-08-18 20:54:01,531 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-08-18 20:54:01,533 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-08-18 20:54:01,536 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-08-18 20:54:01,537 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-08-18 20:54:01,538 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-08-18 20:54:01,538 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-08-18 20:54:01,541 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-08-18 20:54:01,544 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-08-18 20:54:01,545 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-08-18 20:54:01,547 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-08-18 20:54:01,548 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-08-18 20:54:01,549 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-08-18 20:54:01,558 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-08-18 20:54:01,560 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-08-18 20:54:01,561 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-08-18 20:54:01,562 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-08-18 20:54:01,563 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-08-18 20:54:01,576 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-08-18 20:54:01,576 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-08-18 20:54:01,576 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-08-18 20:54:01,584 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-08-18 20:54:01,584 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-08-18 20:54:01,588 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-08-18 20:54:01,588 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-08-18 20:54:01,589 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-08-18 20:54:01,590 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-08-18 20:54:01,591 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-08-18 20:54:01,592 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-08-18 20:54:01,594 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-08-18 20:54:01,594 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-08-18 20:54:01,595 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-08-18 20:54:01,595 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-08-18 20:54:01,596 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-08-18 20:54:01,596 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-08-18 20:54:01,598 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2020-08-18 20:54:01,630 INFO L113 SettingsManager]: Loading preferences was successful [2020-08-18 20:54:01,630 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-08-18 20:54:01,631 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-08-18 20:54:01,631 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-08-18 20:54:01,632 INFO L138 SettingsManager]: * Use SBE=true [2020-08-18 20:54:01,632 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-08-18 20:54:01,632 INFO L138 SettingsManager]: * sizeof long=4 [2020-08-18 20:54:01,632 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-08-18 20:54:01,632 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-08-18 20:54:01,633 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-08-18 20:54:01,633 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-08-18 20:54:01,633 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-08-18 20:54:01,633 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-08-18 20:54:01,633 INFO L138 SettingsManager]: * sizeof long double=12 [2020-08-18 20:54:01,633 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-08-18 20:54:01,634 INFO L138 SettingsManager]: * Use constant arrays=true [2020-08-18 20:54:01,634 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-08-18 20:54:01,634 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-08-18 20:54:01,634 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-08-18 20:54:01,634 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-08-18 20:54:01,635 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-08-18 20:54:01,635 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-08-18 20:54:01,635 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-08-18 20:54:01,635 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-08-18 20:54:01,635 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-08-18 20:54:01,636 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-08-18 20:54:01,636 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-08-18 20:54:01,636 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-08-18 20:54:01,636 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-08-18 20:54:01,636 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> enumeration-timeout=5;interpolation-heuristic=DEEPEST; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> enumeration-timeout=5;interpolation-heuristic=DEEPEST; [2020-08-18 20:54:01,953 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-08-18 20:54:01,966 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-08-18 20:54:01,970 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-08-18 20:54:01,971 INFO L271 PluginConnector]: Initializing CDTParser... [2020-08-18 20:54:01,972 INFO L275 PluginConnector]: CDTParser initialized [2020-08-18 20:54:01,972 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec2_product19.cil.c [2020-08-18 20:54:02,041 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/24eee5ac2/c8c5ffce6f1d4f8bb9e84dae8395b0c3/FLAG2d1c40756 [2020-08-18 20:54:02,612 INFO L306 CDTParser]: Found 1 translation units. [2020-08-18 20:54:02,615 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/product-lines/minepump_spec2_product19.cil.c [2020-08-18 20:54:02,635 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/24eee5ac2/c8c5ffce6f1d4f8bb9e84dae8395b0c3/FLAG2d1c40756 [2020-08-18 20:54:02,852 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/24eee5ac2/c8c5ffce6f1d4f8bb9e84dae8395b0c3 [2020-08-18 20:54:02,862 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-08-18 20:54:02,864 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-08-18 20:54:02,868 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-08-18 20:54:02,868 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-08-18 20:54:02,871 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-08-18 20:54:02,872 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.08 08:54:02" (1/1) ... [2020-08-18 20:54:02,876 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@11cafb76 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 08:54:02, skipping insertion in model container [2020-08-18 20:54:02,877 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.08 08:54:02" (1/1) ... [2020-08-18 20:54:02,886 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-08-18 20:54:02,948 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-08-18 20:54:03,271 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-08-18 20:54:03,385 INFO L203 MainTranslator]: Completed pre-run [2020-08-18 20:54:03,518 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-08-18 20:54:03,549 INFO L208 MainTranslator]: Completed translation [2020-08-18 20:54:03,550 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 08:54:03 WrapperNode [2020-08-18 20:54:03,550 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-08-18 20:54:03,551 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-08-18 20:54:03,551 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-08-18 20:54:03,551 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-08-18 20:54:03,564 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 08:54:03" (1/1) ... [2020-08-18 20:54:03,564 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 08:54:03" (1/1) ... [2020-08-18 20:54:03,583 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 08:54:03" (1/1) ... [2020-08-18 20:54:03,584 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 08:54:03" (1/1) ... [2020-08-18 20:54:03,616 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 08:54:03" (1/1) ... [2020-08-18 20:54:03,626 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 08:54:03" (1/1) ... [2020-08-18 20:54:03,632 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 08:54:03" (1/1) ... [2020-08-18 20:54:03,641 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-08-18 20:54:03,642 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-08-18 20:54:03,642 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-08-18 20:54:03,642 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-08-18 20:54:03,643 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 08:54:03" (1/1) ... No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-08-18 20:54:03,713 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-08-18 20:54:03,714 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-08-18 20:54:03,714 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-08-18 20:54:03,715 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-08-18 20:54:03,715 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-08-18 20:54:03,716 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-08-18 20:54:03,716 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-08-18 20:54:03,716 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-08-18 20:54:03,716 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-08-18 20:54:03,716 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-08-18 20:54:03,717 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-08-18 20:54:03,717 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-08-18 20:54:03,717 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-08-18 20:54:03,718 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-08-18 20:54:03,718 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-08-18 20:54:03,719 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-08-18 20:54:03,719 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2020-08-18 20:54:03,719 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-08-18 20:54:03,719 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-08-18 20:54:03,719 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-08-18 20:54:03,720 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-08-18 20:54:03,720 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-08-18 20:54:03,720 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__1 [2020-08-18 20:54:03,720 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__2 [2020-08-18 20:54:03,722 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-08-18 20:54:03,723 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2020-08-18 20:54:03,723 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-08-18 20:54:03,723 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-08-18 20:54:03,723 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-08-18 20:54:03,723 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-08-18 20:54:03,724 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-08-18 20:54:03,724 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-08-18 20:54:03,724 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2020-08-18 20:54:03,724 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2020-08-18 20:54:03,724 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-08-18 20:54:03,724 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-08-18 20:54:03,724 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-08-18 20:54:03,725 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-08-18 20:54:03,725 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-08-18 20:54:03,725 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-08-18 20:54:03,725 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-08-18 20:54:03,725 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-08-18 20:54:03,725 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-08-18 20:54:03,726 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-08-18 20:54:03,726 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-08-18 20:54:03,728 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-08-18 20:54:03,728 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-08-18 20:54:03,728 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-08-18 20:54:03,729 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-08-18 20:54:03,729 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-08-18 20:54:03,729 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-08-18 20:54:03,729 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-08-18 20:54:03,729 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-08-18 20:54:03,729 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-08-18 20:54:03,729 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-08-18 20:54:03,730 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-08-18 20:54:03,730 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-08-18 20:54:03,730 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-08-18 20:54:03,730 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-08-18 20:54:03,731 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-08-18 20:54:03,731 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-08-18 20:54:03,731 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-08-18 20:54:03,731 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-08-18 20:54:03,731 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-08-18 20:54:03,731 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-08-18 20:54:03,732 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-08-18 20:54:03,732 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2020-08-18 20:54:03,732 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-08-18 20:54:03,732 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-08-18 20:54:03,732 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-08-18 20:54:03,732 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-08-18 20:54:03,732 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-08-18 20:54:03,733 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__1 [2020-08-18 20:54:03,733 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-08-18 20:54:03,734 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-08-18 20:54:03,734 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-08-18 20:54:03,734 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-08-18 20:54:03,735 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-08-18 20:54:03,735 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-08-18 20:54:03,736 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-08-18 20:54:03,736 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__2 [2020-08-18 20:54:03,736 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-08-18 20:54:03,736 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-08-18 20:54:03,736 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2020-08-18 20:54:03,736 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-08-18 20:54:03,736 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2020-08-18 20:54:03,737 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2020-08-18 20:54:03,738 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-08-18 20:54:03,738 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-08-18 20:54:03,738 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-08-18 20:54:03,738 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-08-18 20:54:03,738 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-08-18 20:54:04,815 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-08-18 20:54:04,815 INFO L295 CfgBuilder]: Removed 5 assume(true) statements. [2020-08-18 20:54:04,820 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.08 08:54:04 BoogieIcfgContainer [2020-08-18 20:54:04,821 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-08-18 20:54:04,822 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-08-18 20:54:04,822 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-08-18 20:54:04,825 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-08-18 20:54:04,825 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.08 08:54:02" (1/3) ... [2020-08-18 20:54:04,826 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7f4af566 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.08 08:54:04, skipping insertion in model container [2020-08-18 20:54:04,826 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 08:54:03" (2/3) ... [2020-08-18 20:54:04,827 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7f4af566 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.08 08:54:04, skipping insertion in model container [2020-08-18 20:54:04,827 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.08 08:54:04" (3/3) ... [2020-08-18 20:54:04,829 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec2_product19.cil.c [2020-08-18 20:54:04,839 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-08-18 20:54:04,848 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-08-18 20:54:04,862 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-08-18 20:54:04,886 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-08-18 20:54:04,886 INFO L376 AbstractCegarLoop]: Hoare is true [2020-08-18 20:54:04,886 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-08-18 20:54:04,886 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-08-18 20:54:04,887 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-08-18 20:54:04,887 INFO L380 AbstractCegarLoop]: Difference is false [2020-08-18 20:54:04,887 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-08-18 20:54:04,887 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-08-18 20:54:04,910 INFO L276 IsEmpty]: Start isEmpty. Operand 161 states. [2020-08-18 20:54:04,920 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2020-08-18 20:54:04,920 INFO L414 BasicCegarLoop]: Found error trace [2020-08-18 20:54:04,922 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-18 20:54:04,922 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-18 20:54:04,928 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-18 20:54:04,928 INFO L82 PathProgramCache]: Analyzing trace with hash -1074296443, now seen corresponding path program 1 times [2020-08-18 20:54:04,936 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-18 20:54:04,937 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2052461669] [2020-08-18 20:54:04,937 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-18 20:54:05,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 20:54:05,570 WARN L193 SmtUtils]: Spent 301.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-08-18 20:54:05,572 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-18 20:54:05,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 20:54:05,627 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-08-18 20:54:05,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 20:54:05,630 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-08-18 20:54:05,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 20:54:05,632 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-08-18 20:54:05,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 20:54:05,635 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-08-18 20:54:05,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 20:54:05,650 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-08-18 20:54:05,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 20:54:05,654 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2020-08-18 20:54:05,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 20:54:05,657 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2020-08-18 20:54:05,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 20:54:05,671 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-08-18 20:54:05,673 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2052461669] [2020-08-18 20:54:05,675 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-18 20:54:05,675 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-08-18 20:54:05,676 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [436999886] [2020-08-18 20:54:05,682 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-08-18 20:54:05,682 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-18 20:54:05,697 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-08-18 20:54:05,698 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-08-18 20:54:05,700 INFO L87 Difference]: Start difference. First operand 161 states. Second operand 4 states. [2020-08-18 20:54:06,774 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-18 20:54:06,774 INFO L93 Difference]: Finished difference Result 261 states and 345 transitions. [2020-08-18 20:54:06,777 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-08-18 20:54:06,779 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 51 [2020-08-18 20:54:06,779 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-18 20:54:06,803 INFO L225 Difference]: With dead ends: 261 [2020-08-18 20:54:06,803 INFO L226 Difference]: Without dead ends: 147 [2020-08-18 20:54:06,811 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-08-18 20:54:06,828 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 147 states. [2020-08-18 20:54:06,892 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 147 to 115. [2020-08-18 20:54:06,893 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 115 states. [2020-08-18 20:54:06,895 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 115 states to 115 states and 135 transitions. [2020-08-18 20:54:06,897 INFO L78 Accepts]: Start accepts. Automaton has 115 states and 135 transitions. Word has length 51 [2020-08-18 20:54:06,897 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-18 20:54:06,898 INFO L479 AbstractCegarLoop]: Abstraction has 115 states and 135 transitions. [2020-08-18 20:54:06,898 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-08-18 20:54:06,898 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states and 135 transitions. [2020-08-18 20:54:06,901 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2020-08-18 20:54:06,901 INFO L414 BasicCegarLoop]: Found error trace [2020-08-18 20:54:06,902 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-18 20:54:06,902 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-08-18 20:54:06,902 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-18 20:54:06,903 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-18 20:54:06,903 INFO L82 PathProgramCache]: Analyzing trace with hash 981139915, now seen corresponding path program 1 times [2020-08-18 20:54:06,903 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-18 20:54:06,903 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [988801828] [2020-08-18 20:54:06,904 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-18 20:54:06,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 20:54:07,221 WARN L193 SmtUtils]: Spent 221.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-08-18 20:54:07,222 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-18 20:54:07,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 20:54:07,258 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-08-18 20:54:07,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 20:54:07,260 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-08-18 20:54:07,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 20:54:07,261 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-08-18 20:54:07,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 20:54:07,263 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-08-18 20:54:07,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 20:54:07,271 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-08-18 20:54:07,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 20:54:07,274 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-18 20:54:07,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 20:54:07,276 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2020-08-18 20:54:07,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 20:54:07,283 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-08-18 20:54:07,284 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [988801828] [2020-08-18 20:54:07,284 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-18 20:54:07,284 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-08-18 20:54:07,285 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2066157396] [2020-08-18 20:54:07,287 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-08-18 20:54:07,287 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-18 20:54:07,287 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-08-18 20:54:07,288 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-08-18 20:54:07,288 INFO L87 Difference]: Start difference. First operand 115 states and 135 transitions. Second operand 5 states. [2020-08-18 20:54:07,746 WARN L193 SmtUtils]: Spent 196.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-08-18 20:54:08,523 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-18 20:54:08,524 INFO L93 Difference]: Finished difference Result 200 states and 248 transitions. [2020-08-18 20:54:08,524 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-08-18 20:54:08,524 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 52 [2020-08-18 20:54:08,525 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-18 20:54:08,530 INFO L225 Difference]: With dead ends: 200 [2020-08-18 20:54:08,530 INFO L226 Difference]: Without dead ends: 137 [2020-08-18 20:54:08,531 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2020-08-18 20:54:08,534 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 137 states. [2020-08-18 20:54:08,572 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 137 to 106. [2020-08-18 20:54:08,572 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 106 states. [2020-08-18 20:54:08,573 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 106 states to 106 states and 123 transitions. [2020-08-18 20:54:08,574 INFO L78 Accepts]: Start accepts. Automaton has 106 states and 123 transitions. Word has length 52 [2020-08-18 20:54:08,574 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-18 20:54:08,574 INFO L479 AbstractCegarLoop]: Abstraction has 106 states and 123 transitions. [2020-08-18 20:54:08,574 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-08-18 20:54:08,575 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 123 transitions. [2020-08-18 20:54:08,577 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2020-08-18 20:54:08,577 INFO L414 BasicCegarLoop]: Found error trace [2020-08-18 20:54:08,577 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] [2020-08-18 20:54:08,577 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-08-18 20:54:08,578 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-18 20:54:08,578 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-18 20:54:08,578 INFO L82 PathProgramCache]: Analyzing trace with hash -1888478302, now seen corresponding path program 1 times [2020-08-18 20:54:08,578 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-18 20:54:08,579 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2037433478] [2020-08-18 20:54:08,579 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-18 20:54:08,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 20:54:08,915 WARN L193 SmtUtils]: Spent 217.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-08-18 20:54:08,916 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-18 20:54:08,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 20:54:08,956 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-08-18 20:54:08,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 20:54:08,959 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-08-18 20:54:08,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 20:54:08,961 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-08-18 20:54:08,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 20:54:08,992 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-08-18 20:54:08,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 20:54:09,006 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-08-18 20:54:09,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 20:54:09,009 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2020-08-18 20:54:09,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 20:54:09,012 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2020-08-18 20:54:09,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 20:54:09,023 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-08-18 20:54:09,023 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2037433478] [2020-08-18 20:54:09,023 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-18 20:54:09,024 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-08-18 20:54:09,025 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1918397538] [2020-08-18 20:54:09,029 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-08-18 20:54:09,030 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-18 20:54:09,030 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-08-18 20:54:09,030 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2020-08-18 20:54:09,031 INFO L87 Difference]: Start difference. First operand 106 states and 123 transitions. Second operand 9 states. [2020-08-18 20:54:09,456 WARN L193 SmtUtils]: Spent 225.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-08-18 20:54:09,769 WARN L193 SmtUtils]: Spent 222.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-08-18 20:54:10,052 WARN L193 SmtUtils]: Spent 234.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-08-18 20:54:10,268 WARN L193 SmtUtils]: Spent 196.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-08-18 20:54:11,005 WARN L193 SmtUtils]: Spent 208.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-08-18 20:54:12,397 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-18 20:54:12,397 INFO L93 Difference]: Finished difference Result 362 states and 459 transitions. [2020-08-18 20:54:12,400 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-08-18 20:54:12,400 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 56 [2020-08-18 20:54:12,400 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-18 20:54:12,404 INFO L225 Difference]: With dead ends: 362 [2020-08-18 20:54:12,404 INFO L226 Difference]: Without dead ends: 284 [2020-08-18 20:54:12,406 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 18 SyntacticMatches, 1 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 31 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=75, Invalid=165, Unknown=0, NotChecked=0, Total=240 [2020-08-18 20:54:12,407 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 284 states. [2020-08-18 20:54:12,473 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 284 to 227. [2020-08-18 20:54:12,473 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 227 states. [2020-08-18 20:54:12,475 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 227 states to 227 states and 276 transitions. [2020-08-18 20:54:12,475 INFO L78 Accepts]: Start accepts. Automaton has 227 states and 276 transitions. Word has length 56 [2020-08-18 20:54:12,476 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-18 20:54:12,476 INFO L479 AbstractCegarLoop]: Abstraction has 227 states and 276 transitions. [2020-08-18 20:54:12,476 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-08-18 20:54:12,476 INFO L276 IsEmpty]: Start isEmpty. Operand 227 states and 276 transitions. [2020-08-18 20:54:12,478 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2020-08-18 20:54:12,479 INFO L414 BasicCegarLoop]: Found error trace [2020-08-18 20:54:12,479 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] [2020-08-18 20:54:12,479 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-08-18 20:54:12,479 INFO L427 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-18 20:54:12,480 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-18 20:54:12,480 INFO L82 PathProgramCache]: Analyzing trace with hash 1204376986, now seen corresponding path program 1 times [2020-08-18 20:54:12,480 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-18 20:54:12,480 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1949597447] [2020-08-18 20:54:12,481 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-18 20:54:12,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 20:54:12,768 WARN L193 SmtUtils]: Spent 190.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-08-18 20:54:12,769 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-18 20:54:12,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 20:54:12,799 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-08-18 20:54:12,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 20:54:12,801 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-08-18 20:54:12,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 20:54:12,803 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-08-18 20:54:12,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 20:54:12,805 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-08-18 20:54:12,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 20:54:12,822 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-08-18 20:54:12,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 20:54:12,836 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-18 20:54:12,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 20:54:12,839 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2020-08-18 20:54:12,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 20:54:12,864 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2020-08-18 20:54:12,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 20:54:12,876 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-08-18 20:54:12,876 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1949597447] [2020-08-18 20:54:12,876 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-18 20:54:12,876 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-08-18 20:54:12,877 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1004022233] [2020-08-18 20:54:12,877 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-08-18 20:54:12,878 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-18 20:54:12,878 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-08-18 20:54:12,878 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2020-08-18 20:54:12,878 INFO L87 Difference]: Start difference. First operand 227 states and 276 transitions. Second operand 9 states. [2020-08-18 20:54:13,265 WARN L193 SmtUtils]: Spent 232.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-08-18 20:54:14,377 WARN L193 SmtUtils]: Spent 225.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-08-18 20:54:14,694 WARN L193 SmtUtils]: Spent 214.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-08-18 20:54:14,950 WARN L193 SmtUtils]: Spent 215.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-08-18 20:54:15,169 WARN L193 SmtUtils]: Spent 196.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-08-18 20:54:15,868 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-18 20:54:15,868 INFO L93 Difference]: Finished difference Result 723 states and 967 transitions. [2020-08-18 20:54:15,870 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2020-08-18 20:54:15,870 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 62 [2020-08-18 20:54:15,870 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-18 20:54:15,880 INFO L225 Difference]: With dead ends: 723 [2020-08-18 20:54:15,880 INFO L226 Difference]: Without dead ends: 524 [2020-08-18 20:54:15,889 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 21 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 49 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=105, Invalid=275, Unknown=0, NotChecked=0, Total=380 [2020-08-18 20:54:15,890 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 524 states. [2020-08-18 20:54:15,995 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 524 to 402. [2020-08-18 20:54:15,995 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 402 states. [2020-08-18 20:54:15,998 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 402 states to 402 states and 492 transitions. [2020-08-18 20:54:15,998 INFO L78 Accepts]: Start accepts. Automaton has 402 states and 492 transitions. Word has length 62 [2020-08-18 20:54:15,999 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-18 20:54:15,999 INFO L479 AbstractCegarLoop]: Abstraction has 402 states and 492 transitions. [2020-08-18 20:54:15,999 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-08-18 20:54:15,999 INFO L276 IsEmpty]: Start isEmpty. Operand 402 states and 492 transitions. [2020-08-18 20:54:16,002 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2020-08-18 20:54:16,002 INFO L414 BasicCegarLoop]: Found error trace [2020-08-18 20:54:16,002 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-18 20:54:16,002 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-08-18 20:54:16,003 INFO L427 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-18 20:54:16,003 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-18 20:54:16,003 INFO L82 PathProgramCache]: Analyzing trace with hash 2071048374, now seen corresponding path program 1 times [2020-08-18 20:54:16,003 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-18 20:54:16,003 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1080909724] [2020-08-18 20:54:16,004 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-18 20:54:16,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 20:54:16,375 WARN L193 SmtUtils]: Spent 199.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-08-18 20:54:16,376 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-18 20:54:16,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 20:54:16,409 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-08-18 20:54:16,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 20:54:16,411 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-08-18 20:54:16,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 20:54:16,413 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-08-18 20:54:16,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 20:54:16,415 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-08-18 20:54:16,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 20:54:16,463 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-08-18 20:54:16,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 20:54:16,479 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2020-08-18 20:54:16,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 20:54:16,502 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2020-08-18 20:54:16,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 20:54:16,506 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2020-08-18 20:54:16,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 20:54:16,508 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2020-08-18 20:54:16,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 20:54:16,531 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-08-18 20:54:16,531 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1080909724] [2020-08-18 20:54:16,531 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-18 20:54:16,532 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-08-18 20:54:16,532 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1194866931] [2020-08-18 20:54:16,532 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-08-18 20:54:16,533 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-18 20:54:16,533 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-08-18 20:54:16,533 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=70, Unknown=0, NotChecked=0, Total=90 [2020-08-18 20:54:16,533 INFO L87 Difference]: Start difference. First operand 402 states and 492 transitions. Second operand 10 states. [2020-08-18 20:54:16,953 WARN L193 SmtUtils]: Spent 218.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-08-18 20:54:17,981 WARN L193 SmtUtils]: Spent 227.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-08-18 20:54:18,257 WARN L193 SmtUtils]: Spent 222.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-08-18 20:54:18,525 WARN L193 SmtUtils]: Spent 228.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-08-18 20:54:18,960 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-18 20:54:18,960 INFO L93 Difference]: Finished difference Result 747 states and 992 transitions. [2020-08-18 20:54:18,961 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2020-08-18 20:54:18,961 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 66 [2020-08-18 20:54:18,962 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-18 20:54:18,962 INFO L225 Difference]: With dead ends: 747 [2020-08-18 20:54:18,962 INFO L226 Difference]: Without dead ends: 0 [2020-08-18 20:54:18,965 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 24 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 70 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=137, Invalid=325, Unknown=0, NotChecked=0, Total=462 [2020-08-18 20:54:18,965 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-08-18 20:54:18,965 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-08-18 20:54:18,965 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-08-18 20:54:18,965 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-08-18 20:54:18,966 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 66 [2020-08-18 20:54:18,966 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-18 20:54:18,966 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-08-18 20:54:18,966 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-08-18 20:54:18,966 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-08-18 20:54:18,966 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-08-18 20:54:18,967 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-08-18 20:54:18,969 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-08-18 20:54:22,455 WARN L193 SmtUtils]: Spent 328.00 ms on a formula simplification. DAG size of input: 147 DAG size of output: 9 [2020-08-18 20:54:22,807 WARN L193 SmtUtils]: Spent 348.00 ms on a formula simplification. DAG size of input: 147 DAG size of output: 9 [2020-08-18 20:54:22,983 WARN L193 SmtUtils]: Spent 173.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 25 [2020-08-18 20:54:23,144 WARN L193 SmtUtils]: Spent 158.00 ms on a formula simplification. DAG size of input: 145 DAG size of output: 1 [2020-08-18 20:54:23,394 WARN L193 SmtUtils]: Spent 165.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 25 [2020-08-18 20:54:23,889 WARN L193 SmtUtils]: Spent 488.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 17 [2020-08-18 20:54:24,098 WARN L193 SmtUtils]: Spent 207.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-08-18 20:54:24,437 WARN L193 SmtUtils]: Spent 334.00 ms on a formula simplification. DAG size of input: 153 DAG size of output: 14 [2020-08-18 20:54:24,596 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 1 [2020-08-18 20:54:24,942 WARN L193 SmtUtils]: Spent 340.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 8 [2020-08-18 20:54:25,265 WARN L193 SmtUtils]: Spent 311.00 ms on a formula simplification. DAG size of input: 150 DAG size of output: 8 [2020-08-18 20:54:25,450 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 25 [2020-08-18 20:54:25,626 WARN L193 SmtUtils]: Spent 173.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 25 [2020-08-18 20:54:25,981 WARN L193 SmtUtils]: Spent 335.00 ms on a formula simplification. DAG size of input: 147 DAG size of output: 13 [2020-08-18 20:54:26,152 WARN L193 SmtUtils]: Spent 168.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 25 [2020-08-18 20:54:26,490 WARN L193 SmtUtils]: Spent 308.00 ms on a formula simplification. DAG size of input: 150 DAG size of output: 8 [2020-08-18 20:54:26,638 WARN L193 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 15 [2020-08-18 20:54:26,807 WARN L193 SmtUtils]: Spent 157.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 25 [2020-08-18 20:54:26,978 WARN L193 SmtUtils]: Spent 158.00 ms on a formula simplification. DAG size of input: 149 DAG size of output: 1 [2020-08-18 20:54:27,309 WARN L193 SmtUtils]: Spent 325.00 ms on a formula simplification. DAG size of input: 153 DAG size of output: 14 [2020-08-18 20:54:27,477 WARN L193 SmtUtils]: Spent 166.00 ms on a formula simplification. DAG size of input: 144 DAG size of output: 27 [2020-08-18 20:54:27,654 WARN L193 SmtUtils]: Spent 167.00 ms on a formula simplification. DAG size of input: 144 DAG size of output: 27 [2020-08-18 20:54:28,017 WARN L193 SmtUtils]: Spent 351.00 ms on a formula simplification. DAG size of input: 152 DAG size of output: 11 [2020-08-18 20:54:28,343 WARN L193 SmtUtils]: Spent 303.00 ms on a formula simplification. DAG size of input: 150 DAG size of output: 8 [2020-08-18 20:54:28,348 INFO L268 CegarLoopResult]: For program point L127(line 127) no Hoare annotation was computed. [2020-08-18 20:54:28,348 INFO L268 CegarLoopResult]: For program point L126-2(lines 126 147) no Hoare annotation was computed. [2020-08-18 20:54:28,348 INFO L268 CegarLoopResult]: For program point L148(lines 125 149) no Hoare annotation was computed. [2020-08-18 20:54:28,348 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeFINAL(lines 101 156) no Hoare annotation was computed. [2020-08-18 20:54:28,349 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeEXIT(lines 101 156) no Hoare annotation was computed. [2020-08-18 20:54:28,349 INFO L268 CegarLoopResult]: For program point L132(lines 132 136) no Hoare annotation was computed. [2020-08-18 20:54:28,349 INFO L268 CegarLoopResult]: For program point L132-1(lines 132 136) no Hoare annotation was computed. [2020-08-18 20:54:28,349 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeENTRY(lines 101 156) no Hoare annotation was computed. [2020-08-18 20:54:28,349 INFO L268 CegarLoopResult]: For program point L189(lines 189 193) no Hoare annotation was computed. [2020-08-18 20:54:28,349 INFO L268 CegarLoopResult]: For program point L189-1(lines 189 193) no Hoare annotation was computed. [2020-08-18 20:54:28,350 INFO L268 CegarLoopResult]: For program point L184(line 184) no Hoare annotation was computed. [2020-08-18 20:54:28,350 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetFINAL(lines 157 216) no Hoare annotation was computed. [2020-08-18 20:54:28,350 INFO L268 CegarLoopResult]: For program point L183-2(lines 183 208) no Hoare annotation was computed. [2020-08-18 20:54:28,350 INFO L268 CegarLoopResult]: For program point L209(lines 182 210) no Hoare annotation was computed. [2020-08-18 20:54:28,350 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetENTRY(lines 157 216) no Hoare annotation was computed. [2020-08-18 20:54:28,351 INFO L268 CegarLoopResult]: For program point L202(line 202) no Hoare annotation was computed. [2020-08-18 20:54:28,351 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetEXIT(lines 157 216) no Hoare annotation was computed. [2020-08-18 20:54:28,351 INFO L268 CegarLoopResult]: For program point L202-1(line 202) no Hoare annotation was computed. [2020-08-18 20:54:28,351 INFO L271 CegarLoopResult]: At program point select_helpersFINAL(lines 910 916) the Hoare annotation is: true [2020-08-18 20:54:28,352 INFO L268 CegarLoopResult]: For program point select_helpersEXIT(lines 910 916) no Hoare annotation was computed. [2020-08-18 20:54:28,352 INFO L268 CegarLoopResult]: For program point valid_productEXIT(lines 917 925) no Hoare annotation was computed. [2020-08-18 20:54:28,352 INFO L271 CegarLoopResult]: At program point valid_productENTRY(lines 917 925) the Hoare annotation is: true [2020-08-18 20:54:28,352 INFO L268 CegarLoopResult]: For program point valid_productFINAL(lines 917 925) no Hoare annotation was computed. [2020-08-18 20:54:28,352 INFO L264 CegarLoopResult]: At program point mainENTRY(lines 591 613) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~pumpRunning~0)| 0)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2020-08-18 20:54:28,352 INFO L264 CegarLoopResult]: At program point L603(line 603) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= main_~tmp~3 ~systemActive~0) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0))) [2020-08-18 20:54:28,352 INFO L264 CegarLoopResult]: At program point L603-1(line 603) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= main_~tmp~3 ~systemActive~0) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0))) [2020-08-18 20:54:28,353 INFO L268 CegarLoopResult]: For program point L601(lines 601 608) no Hoare annotation was computed. [2020-08-18 20:54:28,353 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 591 613) no Hoare annotation was computed. [2020-08-18 20:54:28,353 INFO L268 CegarLoopResult]: For program point L601-1(lines 601 608) no Hoare annotation was computed. [2020-08-18 20:54:28,353 INFO L268 CegarLoopResult]: For program point L599(line 599) no Hoare annotation was computed. [2020-08-18 20:54:28,353 INFO L264 CegarLoopResult]: At program point L598(line 598) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~pumpRunning~0)| 0)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2020-08-18 20:54:28,354 INFO L264 CegarLoopResult]: At program point L597(line 597) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~pumpRunning~0)| 0)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2020-08-18 20:54:28,354 INFO L264 CegarLoopResult]: At program point L597-1(line 597) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~pumpRunning~0)| 0)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2020-08-18 20:54:28,354 INFO L268 CegarLoopResult]: For program point mainFINAL(lines 591 613) no Hoare annotation was computed. [2020-08-18 20:54:28,354 INFO L268 CegarLoopResult]: For program point Specification2EXIT(lines 544 567) no Hoare annotation was computed. [2020-08-18 20:54:28,354 INFO L268 CegarLoopResult]: For program point Specification2ENTRY(lines 544 567) no Hoare annotation was computed. [2020-08-18 20:54:28,354 INFO L268 CegarLoopResult]: For program point Specification2FINAL(lines 544 567) no Hoare annotation was computed. [2020-08-18 20:54:28,354 INFO L268 CegarLoopResult]: For program point L562(line 562) no Hoare annotation was computed. [2020-08-18 20:54:28,355 INFO L268 CegarLoopResult]: For program point L561(line 561) no Hoare annotation was computed. [2020-08-18 20:54:28,355 INFO L268 CegarLoopResult]: For program point L560(line 560) no Hoare annotation was computed. [2020-08-18 20:54:28,355 INFO L268 CegarLoopResult]: For program point L559(line 559) no Hoare annotation was computed. [2020-08-18 20:54:28,355 INFO L268 CegarLoopResult]: For program point L558(line 558) no Hoare annotation was computed. [2020-08-18 20:54:28,355 INFO L268 CegarLoopResult]: For program point L557(line 557) no Hoare annotation was computed. [2020-08-18 20:54:28,355 INFO L268 CegarLoopResult]: For program point L556(line 556) no Hoare annotation was computed. [2020-08-18 20:54:28,355 INFO L268 CegarLoopResult]: For program point L555(line 555) no Hoare annotation was computed. [2020-08-18 20:54:28,355 INFO L268 CegarLoopResult]: For program point L554(line 554) no Hoare annotation was computed. [2020-08-18 20:54:28,356 INFO L268 CegarLoopResult]: For program point L553(line 553) no Hoare annotation was computed. [2020-08-18 20:54:28,356 INFO L268 CegarLoopResult]: For program point L552(line 552) no Hoare annotation was computed. [2020-08-18 20:54:28,356 INFO L268 CegarLoopResult]: For program point L551(line 551) no Hoare annotation was computed. [2020-08-18 20:54:28,356 INFO L268 CegarLoopResult]: For program point L550(line 550) no Hoare annotation was computed. [2020-08-18 20:54:28,356 INFO L268 CegarLoopResult]: For program point L549(line 549) no Hoare annotation was computed. [2020-08-18 20:54:28,356 INFO L268 CegarLoopResult]: For program point stopSystemEXIT(lines 809 823) no Hoare annotation was computed. [2020-08-18 20:54:28,356 INFO L264 CegarLoopResult]: At program point L815(line 815) the Hoare annotation is: (not (= |old(~pumpRunning~0)| 0)) [2020-08-18 20:54:28,357 INFO L268 CegarLoopResult]: For program point L813(lines 813 819) no Hoare annotation was computed. [2020-08-18 20:54:28,357 INFO L264 CegarLoopResult]: At program point stopSystemENTRY(lines 809 823) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (and (= |old(~systemActive~0)| ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|))) [2020-08-18 20:54:28,357 INFO L268 CegarLoopResult]: For program point stopSystemFINAL(lines 809 823) no Hoare annotation was computed. [2020-08-18 20:54:28,357 INFO L268 CegarLoopResult]: For program point isPumpRunningEXIT(lines 745 753) no Hoare annotation was computed. [2020-08-18 20:54:28,357 INFO L271 CegarLoopResult]: At program point isPumpRunningENTRY(lines 745 753) the Hoare annotation is: true [2020-08-18 20:54:28,357 INFO L268 CegarLoopResult]: For program point isPumpRunningFINAL(lines 745 753) no Hoare annotation was computed. [2020-08-18 20:54:28,357 INFO L268 CegarLoopResult]: For program point L799(lines 799 803) no Hoare annotation was computed. [2020-08-18 20:54:28,357 INFO L271 CegarLoopResult]: At program point L797(line 797) the Hoare annotation is: true [2020-08-18 20:54:28,358 INFO L268 CegarLoopResult]: For program point L799-2(lines 799 803) no Hoare annotation was computed. [2020-08-18 20:54:28,358 INFO L268 CegarLoopResult]: For program point L797-1(line 797) no Hoare annotation was computed. [2020-08-18 20:54:28,358 INFO L271 CegarLoopResult]: At program point isLowWaterLevelENTRY(lines 790 808) the Hoare annotation is: true [2020-08-18 20:54:28,358 INFO L268 CegarLoopResult]: For program point isLowWaterLevelEXIT(lines 790 808) no Hoare annotation was computed. [2020-08-18 20:54:28,358 INFO L268 CegarLoopResult]: For program point isLowWaterLevelFINAL(lines 790 808) no Hoare annotation was computed. [2020-08-18 20:54:28,358 INFO L268 CegarLoopResult]: For program point L761(lines 761 769) no Hoare annotation was computed. [2020-08-18 20:54:28,358 INFO L268 CegarLoopResult]: For program point L761-2(lines 761 769) no Hoare annotation was computed. [2020-08-18 20:54:28,358 INFO L268 CegarLoopResult]: For program point L784(line 784) no Hoare annotation was computed. [2020-08-18 20:54:28,359 INFO L268 CegarLoopResult]: For program point L784-1(line 784) no Hoare annotation was computed. [2020-08-18 20:54:28,359 INFO L268 CegarLoopResult]: For program point printPumpFINAL(lines 754 789) no Hoare annotation was computed. [2020-08-18 20:54:28,359 INFO L268 CegarLoopResult]: For program point printPumpENTRY(lines 754 789) no Hoare annotation was computed. [2020-08-18 20:54:28,359 INFO L268 CegarLoopResult]: For program point L773(lines 773 781) no Hoare annotation was computed. [2020-08-18 20:54:28,359 INFO L268 CegarLoopResult]: For program point L773-2(lines 773 781) no Hoare annotation was computed. [2020-08-18 20:54:28,359 INFO L268 CegarLoopResult]: For program point printPumpEXIT(lines 754 789) no Hoare annotation was computed. [2020-08-18 20:54:28,359 INFO L268 CegarLoopResult]: For program point select_featuresEXIT(lines 903 909) no Hoare annotation was computed. [2020-08-18 20:54:28,360 INFO L271 CegarLoopResult]: At program point select_featuresFINAL(lines 903 909) the Hoare annotation is: true [2020-08-18 20:54:28,360 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setENTRY(lines 55 100) no Hoare annotation was computed. [2020-08-18 20:54:28,360 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setEXIT(lines 55 100) no Hoare annotation was computed. [2020-08-18 20:54:28,360 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setFINAL(lines 55 100) no Hoare annotation was computed. [2020-08-18 20:54:28,360 INFO L268 CegarLoopResult]: For program point L382(lines 382 402) no Hoare annotation was computed. [2020-08-18 20:54:28,360 INFO L268 CegarLoopResult]: For program point L382-1(lines 382 402) no Hoare annotation was computed. [2020-08-18 20:54:28,360 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeFINAL(lines 368 413) no Hoare annotation was computed. [2020-08-18 20:54:28,360 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeENTRY(lines 368 413) no Hoare annotation was computed. [2020-08-18 20:54:28,361 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeEXIT(lines 368 413) no Hoare annotation was computed. [2020-08-18 20:54:28,361 INFO L268 CegarLoopResult]: For program point L388(lines 388 395) no Hoare annotation was computed. [2020-08-18 20:54:28,361 INFO L264 CegarLoopResult]: At program point runTestENTRY(lines 577 587) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~pumpRunning~0)| 0)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2020-08-18 20:54:28,361 INFO L268 CegarLoopResult]: For program point runTestEXIT(lines 577 587) no Hoare annotation was computed. [2020-08-18 20:54:28,361 INFO L268 CegarLoopResult]: For program point runTestFINAL(lines 577 587) no Hoare annotation was computed. [2020-08-18 20:54:28,361 INFO L264 CegarLoopResult]: At program point L582(line 582) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (and (= |old(~systemActive~0)| ~systemActive~0) (= ~pumpRunning~0 0) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2020-08-18 20:54:28,361 INFO L268 CegarLoopResult]: For program point isMethaneAlarmENTRY(lines 734 744) no Hoare annotation was computed. [2020-08-18 20:54:28,361 INFO L268 CegarLoopResult]: For program point isMethaneAlarmEXIT(lines 734 744) no Hoare annotation was computed. [2020-08-18 20:54:28,362 INFO L268 CegarLoopResult]: For program point isMethaneAlarmFINAL(lines 734 744) no Hoare annotation was computed. [2020-08-18 20:54:28,362 INFO L268 CegarLoopResult]: For program point L739(line 739) no Hoare annotation was computed. [2020-08-18 20:54:28,362 INFO L268 CegarLoopResult]: For program point L739-1(line 739) no Hoare annotation was computed. [2020-08-18 20:54:28,362 INFO L271 CegarLoopResult]: At program point deactivatePumpENTRY(lines 726 733) the Hoare annotation is: true [2020-08-18 20:54:28,362 INFO L268 CegarLoopResult]: For program point deactivatePumpEXIT(lines 726 733) no Hoare annotation was computed. [2020-08-18 20:54:28,362 INFO L268 CegarLoopResult]: For program point deactivatePumpFINAL(lines 726 733) no Hoare annotation was computed. [2020-08-18 20:54:28,362 INFO L264 CegarLoopResult]: At program point L703(line 703) the Hoare annotation is: (or (= 0 ~systemActive~0) (not (= |old(~pumpRunning~0)| 0))) [2020-08-18 20:54:28,362 INFO L268 CegarLoopResult]: For program point L701(lines 701 709) no Hoare annotation was computed. [2020-08-18 20:54:28,363 INFO L264 CegarLoopResult]: At program point L699(line 699) the Hoare annotation is: (or (= 0 ~systemActive~0) (not (= |old(~pumpRunning~0)| 0))) [2020-08-18 20:54:28,363 INFO L268 CegarLoopResult]: For program point L699-1(line 699) no Hoare annotation was computed. [2020-08-18 20:54:28,363 INFO L268 CegarLoopResult]: For program point L697(lines 697 714) no Hoare annotation was computed. [2020-08-18 20:54:28,363 INFO L268 CegarLoopResult]: For program point processEnvironmentEXIT(lines 693 717) no Hoare annotation was computed. [2020-08-18 20:54:28,363 INFO L264 CegarLoopResult]: At program point processEnvironmentENTRY(lines 693 717) the Hoare annotation is: (or (= 0 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (= |old(~pumpRunning~0)| 0))) [2020-08-18 20:54:28,363 INFO L264 CegarLoopResult]: At program point L712(line 712) the Hoare annotation is: (or (= 0 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (= |old(~pumpRunning~0)| 0))) [2020-08-18 20:54:28,363 INFO L268 CegarLoopResult]: For program point L712-1(lines 693 717) no Hoare annotation was computed. [2020-08-18 20:54:28,364 INFO L264 CegarLoopResult]: At program point L707(line 707) the Hoare annotation is: (or (= 0 ~systemActive~0) (not (= |old(~pumpRunning~0)| 0))) [2020-08-18 20:54:28,364 INFO L268 CegarLoopResult]: For program point processEnvironment__wrappee__baseEXIT(lines 685 691) no Hoare annotation was computed. [2020-08-18 20:54:28,364 INFO L271 CegarLoopResult]: At program point processEnvironment__wrappee__baseFINAL(lines 685 691) the Hoare annotation is: true [2020-08-18 20:54:28,364 INFO L268 CegarLoopResult]: For program point L865(lines 865 878) no Hoare annotation was computed. [2020-08-18 20:54:28,364 INFO L264 CegarLoopResult]: At program point testENTRY(lines 825 890) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~pumpRunning~0)| 0)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2020-08-18 20:54:28,364 INFO L264 CegarLoopResult]: At program point L857(line 857) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= ~pumpRunning~0 0) (= test_~splverifierCounter~0 0))) [2020-08-18 20:54:28,364 INFO L268 CegarLoopResult]: For program point L855(lines 855 861) no Hoare annotation was computed. [2020-08-18 20:54:28,365 INFO L268 CegarLoopResult]: For program point testFINAL(lines 825 890) no Hoare annotation was computed. [2020-08-18 20:54:28,365 INFO L268 CegarLoopResult]: For program point L855-1(lines 855 861) no Hoare annotation was computed. [2020-08-18 20:54:28,365 INFO L264 CegarLoopResult]: At program point L880(lines 835 882) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= ~pumpRunning~0 0) (= test_~splverifierCounter~0 0))) [2020-08-18 20:54:28,365 INFO L264 CegarLoopResult]: At program point L847(line 847) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= ~pumpRunning~0 0) (= test_~splverifierCounter~0 0))) [2020-08-18 20:54:28,365 INFO L268 CegarLoopResult]: For program point L845(lines 845 851) no Hoare annotation was computed. [2020-08-18 20:54:28,365 INFO L268 CegarLoopResult]: For program point L845-1(lines 845 851) no Hoare annotation was computed. [2020-08-18 20:54:28,365 INFO L268 CegarLoopResult]: For program point L837(lines 837 841) no Hoare annotation was computed. [2020-08-18 20:54:28,366 INFO L264 CegarLoopResult]: At program point L883(lines 834 884) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2020-08-18 20:54:28,366 INFO L264 CegarLoopResult]: At program point L873(line 873) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= ~pumpRunning~0 0) (= test_~splverifierCounter~0 0))) [2020-08-18 20:54:28,366 INFO L268 CegarLoopResult]: For program point L871(lines 871 877) no Hoare annotation was computed. [2020-08-18 20:54:28,366 INFO L264 CegarLoopResult]: At program point L871-1(lines 865 878) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= ~pumpRunning~0 0) (= test_~splverifierCounter~0 0))) [2020-08-18 20:54:28,366 INFO L268 CegarLoopResult]: For program point L836(lines 835 882) no Hoare annotation was computed. [2020-08-18 20:54:28,366 INFO L268 CegarLoopResult]: For program point testEXIT(lines 825 890) no Hoare annotation was computed. [2020-08-18 20:54:28,366 INFO L268 CegarLoopResult]: For program point __utac__get_this_argENTRY(lines 322 367) no Hoare annotation was computed. [2020-08-18 20:54:28,367 INFO L268 CegarLoopResult]: For program point L342(lines 342 349) no Hoare annotation was computed. [2020-08-18 20:54:28,367 INFO L268 CegarLoopResult]: For program point __utac__get_this_argEXIT(lines 322 367) no Hoare annotation was computed. [2020-08-18 20:54:28,367 INFO L268 CegarLoopResult]: For program point __utac__get_this_argFINAL(lines 322 367) no Hoare annotation was computed. [2020-08-18 20:54:28,367 INFO L268 CegarLoopResult]: For program point L336(lines 336 356) no Hoare annotation was computed. [2020-08-18 20:54:28,367 INFO L268 CegarLoopResult]: For program point L336-1(lines 336 356) no Hoare annotation was computed. [2020-08-18 20:54:28,367 INFO L268 CegarLoopResult]: For program point isLowWaterSensorDryFINAL(lines 501 509) no Hoare annotation was computed. [2020-08-18 20:54:28,367 INFO L271 CegarLoopResult]: At program point isLowWaterSensorDryENTRY(lines 501 509) the Hoare annotation is: true [2020-08-18 20:54:28,367 INFO L268 CegarLoopResult]: For program point isLowWaterSensorDryEXIT(lines 501 509) no Hoare annotation was computed. [2020-08-18 20:54:28,368 INFO L264 CegarLoopResult]: At program point L640(line 640) the Hoare annotation is: (not (= ~pumpRunning~0 0)) [2020-08-18 20:54:28,368 INFO L268 CegarLoopResult]: For program point L638(lines 638 644) no Hoare annotation was computed. [2020-08-18 20:54:28,368 INFO L268 CegarLoopResult]: For program point L637(lines 637 647) no Hoare annotation was computed. [2020-08-18 20:54:28,368 INFO L264 CegarLoopResult]: At program point L635(line 635) the Hoare annotation is: (let ((.cse0 (not (= ~pumpRunning~0 0)))) (and (or .cse0 (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)) (or .cse0 (not (= ~methaneLevelCritical~0 0))))) [2020-08-18 20:54:28,368 INFO L268 CegarLoopResult]: For program point L635-1(line 635) no Hoare annotation was computed. [2020-08-18 20:54:28,368 INFO L268 CegarLoopResult]: For program point L633(lines 633 650) no Hoare annotation was computed. [2020-08-18 20:54:28,368 INFO L268 CegarLoopResult]: For program point L633-1(lines 625 653) no Hoare annotation was computed. [2020-08-18 20:54:28,369 INFO L264 CegarLoopResult]: At program point L631(line 631) the Hoare annotation is: (or (not (= ~pumpRunning~0 0)) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)) [2020-08-18 20:54:28,369 INFO L268 CegarLoopResult]: For program point L631-1(line 631) no Hoare annotation was computed. [2020-08-18 20:54:28,369 INFO L264 CegarLoopResult]: At program point __utac_acc__Specification2_spec__2ENTRY(lines 625 653) the Hoare annotation is: (or (not (= ~pumpRunning~0 0)) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)) [2020-08-18 20:54:28,369 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification2_spec__2EXIT(lines 625 653) no Hoare annotation was computed. [2020-08-18 20:54:28,369 INFO L268 CegarLoopResult]: For program point L477(lines 477 485) no Hoare annotation was computed. [2020-08-18 20:54:28,369 INFO L268 CegarLoopResult]: For program point L477-2(lines 477 485) no Hoare annotation was computed. [2020-08-18 20:54:28,369 INFO L268 CegarLoopResult]: For program point printEnvironmentEXIT(lines 469 491) no Hoare annotation was computed. [2020-08-18 20:54:28,369 INFO L268 CegarLoopResult]: For program point printEnvironmentENTRY(lines 469 491) no Hoare annotation was computed. [2020-08-18 20:54:28,370 INFO L268 CegarLoopResult]: For program point printEnvironmentFINAL(lines 469 491) no Hoare annotation was computed. [2020-08-18 20:54:28,370 INFO L264 CegarLoopResult]: At program point __utac_acc__Specification2_spec__1ENTRY(lines 617 624) the Hoare annotation is: (or (not (= ~pumpRunning~0 0)) (not (= ~methaneLevelCritical~0 0)) (not (= 1 ~systemActive~0)) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)) [2020-08-18 20:54:28,370 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification2_spec__1FINAL(lines 617 624) no Hoare annotation was computed. [2020-08-18 20:54:28,370 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification2_spec__1EXIT(lines 617 624) no Hoare annotation was computed. [2020-08-18 20:54:28,370 INFO L268 CegarLoopResult]: For program point L289(lines 267 290) no Hoare annotation was computed. [2020-08-18 20:54:28,370 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtENTRY(lines 219 321) no Hoare annotation was computed. [2020-08-18 20:54:28,370 INFO L268 CegarLoopResult]: For program point L248(lines 248 264) no Hoare annotation was computed. [2020-08-18 20:54:28,370 INFO L268 CegarLoopResult]: For program point L308(lines 308 315) no Hoare annotation was computed. [2020-08-18 20:54:28,371 INFO L268 CegarLoopResult]: For program point L269(lines 268 288) no Hoare annotation was computed. [2020-08-18 20:54:28,371 INFO L268 CegarLoopResult]: For program point L300(line 300) no Hoare annotation was computed. [2020-08-18 20:54:28,371 INFO L268 CegarLoopResult]: For program point L300-1(line 300) no Hoare annotation was computed. [2020-08-18 20:54:28,371 INFO L268 CegarLoopResult]: For program point L265(lines 265 306) no Hoare annotation was computed. [2020-08-18 20:54:28,371 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtFINAL(lines 219 321) no Hoare annotation was computed. [2020-08-18 20:54:28,371 INFO L268 CegarLoopResult]: For program point L284(line 284) no Hoare annotation was computed. [2020-08-18 20:54:28,371 INFO L268 CegarLoopResult]: For program point L284-1(line 284) no Hoare annotation was computed. [2020-08-18 20:54:28,371 INFO L268 CegarLoopResult]: For program point L243(lines 243 247) no Hoare annotation was computed. [2020-08-18 20:54:28,371 INFO L268 CegarLoopResult]: For program point L307(lines 307 318) no Hoare annotation was computed. [2020-08-18 20:54:28,372 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtEXIT(lines 219 321) no Hoare annotation was computed. [2020-08-18 20:54:28,372 INFO L268 CegarLoopResult]: For program point L270(lines 270 274) no Hoare annotation was computed. [2020-08-18 20:54:28,372 INFO L268 CegarLoopResult]: For program point L268-2(lines 268 288) no Hoare annotation was computed. [2020-08-18 20:54:28,372 INFO L268 CegarLoopResult]: For program point select_oneENTRY(lines 893 902) no Hoare annotation was computed. [2020-08-18 20:54:28,372 INFO L268 CegarLoopResult]: For program point select_oneFINAL(lines 893 902) no Hoare annotation was computed. [2020-08-18 20:54:28,372 INFO L268 CegarLoopResult]: For program point select_oneEXIT(lines 893 902) no Hoare annotation was computed. [2020-08-18 20:54:28,372 INFO L268 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-08-18 20:54:28,373 INFO L264 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= |#t~string65.base| |old(#t~string65.base)|) (= |old(#length)| |#length|) (= |#t~string29.offset| |old(#t~string29.offset)|) (= |old(#valid)| |#valid|) (= |#t~string61.base| |old(#t~string61.base)|) (= |#t~string30.offset| |old(#t~string30.offset)|) (= |#t~string44.offset| |old(#t~string44.offset)|) (= |#t~string32.base| |old(#t~string32.base)|) (= |#t~string28.base| |old(#t~string28.base)|) (= |#t~string31.base| |old(#t~string31.base)|) (= |#t~string21.base| |old(#t~string21.base)|) (= ~head~0.base |old(~head~0.base)|) (= |#t~string55.base| |old(#t~string55.base)|) (= |#t~string27.offset| |old(#t~string27.offset)|) (= |#t~string36.base| |old(#t~string36.base)|) (= |#t~string19.offset| |old(#t~string19.offset)|) (= |#t~string65.offset| |old(#t~string65.offset)|) (= |#t~string29.base| |old(#t~string29.base)|) (= |#t~string21.offset| |old(#t~string21.offset)|) (= |#t~string53.base| |old(#t~string53.base)|) (= ~systemActive~0 |old(~systemActive~0)|) (= |#t~string51.base| |old(#t~string51.base)|) (= ~methaneLevelCritical~0 |old(~methaneLevelCritical~0)|) (= |#t~string63.base| |old(#t~string63.base)|) (= |#t~string42.base| |old(#t~string42.base)|) (= |#t~string51.offset| |old(#t~string51.offset)|) (= |#t~string53.offset| |old(#t~string53.offset)|) (= |#t~string23.offset| |old(#t~string23.offset)|) (= ~head~0.offset |old(~head~0.offset)|) (= |#t~string20.base| |old(#t~string20.base)|) (= |#t~string22.offset| |old(#t~string22.offset)|) (= |#t~string40.offset| |old(#t~string40.offset)|) (= |#t~string27.base| |old(#t~string27.base)|) (= |#t~string36.offset| |old(#t~string36.offset)|) (= |#t~string28.offset| |old(#t~string28.offset)|) (= |#t~string19.base| |old(#t~string19.base)|) (= |#t~string57.offset| |old(#t~string57.offset)|) (= |#t~string57.base| |old(#t~string57.base)|) (= ~methAndRunningLastTime~0 |old(~methAndRunningLastTime~0)|) (= |#t~string61.offset| |old(#t~string61.offset)|) (= |#t~string22.base| |old(#t~string22.base)|) (= |#t~string23.base| |old(#t~string23.base)|) (= |#NULL.base| |old(#NULL.base)|) (= |#t~string44.base| |old(#t~string44.base)|) (= |#t~string42.offset| |old(#t~string42.offset)|) (= |#t~string40.base| |old(#t~string40.base)|) (= ~waterLevel~0 |old(~waterLevel~0)|) (= |#t~string38.offset| |old(#t~string38.offset)|) (= |#t~string18.offset| |old(#t~string18.offset)|) (= |#t~string63.offset| |old(#t~string63.offset)|) (= ~cleanupTimeShifts~0 |old(~cleanupTimeShifts~0)|) (= |#t~string31.offset| |old(#t~string31.offset)|) (= |#t~string59.base| |old(#t~string59.base)|) (= |#t~string30.base| |old(#t~string30.base)|) (= |#t~string38.base| |old(#t~string38.base)|) (= |#t~string18.base| |old(#t~string18.base)|) (= |#t~string20.offset| |old(#t~string20.offset)|) (= |#t~string55.offset| |old(#t~string55.offset)|) (= |#t~string32.offset| |old(#t~string32.offset)|) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |#t~string59.offset| |old(#t~string59.offset)|) (= |#NULL.offset| |old(#NULL.offset)|)) [2020-08-18 20:54:28,373 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-08-18 20:54:28,373 INFO L268 CegarLoopResult]: For program point activatePumpFINAL(lines 718 725) no Hoare annotation was computed. [2020-08-18 20:54:28,373 INFO L268 CegarLoopResult]: For program point activatePumpEXIT(lines 718 725) no Hoare annotation was computed. [2020-08-18 20:54:28,374 INFO L268 CegarLoopResult]: For program point activatePumpENTRY(lines 718 725) no Hoare annotation was computed. [2020-08-18 20:54:28,374 INFO L268 CegarLoopResult]: For program point getWaterLevelENTRY(lines 492 500) no Hoare annotation was computed. [2020-08-18 20:54:28,374 INFO L268 CegarLoopResult]: For program point getWaterLevelFINAL(lines 492 500) no Hoare annotation was computed. [2020-08-18 20:54:28,374 INFO L268 CegarLoopResult]: For program point getWaterLevelEXIT(lines 492 500) no Hoare annotation was computed. [2020-08-18 20:54:28,374 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intEXIT(line -1) no Hoare annotation was computed. [2020-08-18 20:54:28,374 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intENTRY(line -1) no Hoare annotation was computed. [2020-08-18 20:54:28,374 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intFINAL(line -1) no Hoare annotation was computed. [2020-08-18 20:54:28,375 INFO L264 CegarLoopResult]: At program point changeMethaneLevelENTRY(lines 448 459) the Hoare annotation is: (or (not (= ~pumpRunning~0 0)) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) [2020-08-18 20:54:28,375 INFO L268 CegarLoopResult]: For program point changeMethaneLevelEXIT(lines 448 459) no Hoare annotation was computed. [2020-08-18 20:54:28,375 INFO L268 CegarLoopResult]: For program point L452-1(lines 448 459) no Hoare annotation was computed. [2020-08-18 20:54:28,375 INFO L271 CegarLoopResult]: At program point isMethaneLevelCriticalENTRY(lines 460 468) the Hoare annotation is: true [2020-08-18 20:54:28,375 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalFINAL(lines 460 468) no Hoare annotation was computed. [2020-08-18 20:54:28,375 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalEXIT(lines 460 468) no Hoare annotation was computed. [2020-08-18 20:54:28,375 INFO L264 CegarLoopResult]: At program point L672(lines 672 678) the Hoare annotation is: (or (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)) (not (= |old(~pumpRunning~0)| 0))) [2020-08-18 20:54:28,375 INFO L264 CegarLoopResult]: At program point L667(line 667) the Hoare annotation is: (not (= |old(~pumpRunning~0)| 0)) [2020-08-18 20:54:28,376 INFO L268 CegarLoopResult]: For program point L665(lines 664 683) no Hoare annotation was computed. [2020-08-18 20:54:28,376 INFO L264 CegarLoopResult]: At program point timeShiftENTRY(lines 661 684) the Hoare annotation is: (or (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)) (not (= |old(~pumpRunning~0)| 0))) [2020-08-18 20:54:28,376 INFO L268 CegarLoopResult]: For program point timeShiftEXIT(lines 661 684) no Hoare annotation was computed. [2020-08-18 20:54:28,376 INFO L268 CegarLoopResult]: For program point timeShiftFINAL(lines 661 684) no Hoare annotation was computed. [2020-08-18 20:54:28,376 INFO L264 CegarLoopResult]: At program point L674(line 674) the Hoare annotation is: (or (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (= 0 ~systemActive~0)) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)) (not (= |old(~pumpRunning~0)| 0))) [2020-08-18 20:54:28,376 INFO L268 CegarLoopResult]: For program point cleanupEXIT(lines 513 542) no Hoare annotation was computed. [2020-08-18 20:54:28,376 INFO L271 CegarLoopResult]: At program point cleanupENTRY(lines 513 542) the Hoare annotation is: true [2020-08-18 20:54:28,377 INFO L271 CegarLoopResult]: At program point L538(lines 513 542) the Hoare annotation is: true [2020-08-18 20:54:28,377 INFO L268 CegarLoopResult]: For program point L534(line 534) no Hoare annotation was computed. [2020-08-18 20:54:28,377 INFO L268 CegarLoopResult]: For program point L527(lines 527 531) no Hoare annotation was computed. [2020-08-18 20:54:28,377 INFO L271 CegarLoopResult]: At program point L527-1(lines 527 531) the Hoare annotation is: true [2020-08-18 20:54:28,377 INFO L268 CegarLoopResult]: For program point L524(line 524) no Hoare annotation was computed. [2020-08-18 20:54:28,377 INFO L271 CegarLoopResult]: At program point L523-2(lines 523 537) the Hoare annotation is: true [2020-08-18 20:54:28,377 INFO L271 CegarLoopResult]: At program point L519(line 519) the Hoare annotation is: true [2020-08-18 20:54:28,377 INFO L268 CegarLoopResult]: For program point L519-1(line 519) no Hoare annotation was computed. [2020-08-18 20:54:28,378 INFO L271 CegarLoopResult]: At program point lowerWaterLevelENTRY(lines 424 435) the Hoare annotation is: true [2020-08-18 20:54:28,378 INFO L268 CegarLoopResult]: For program point L428-1(lines 424 435) no Hoare annotation was computed. [2020-08-18 20:54:28,378 INFO L268 CegarLoopResult]: For program point lowerWaterLevelEXIT(lines 424 435) no Hoare annotation was computed. [2020-08-18 20:54:28,378 INFO L268 CegarLoopResult]: For program point setupEXIT(lines 568 574) no Hoare annotation was computed. [2020-08-18 20:54:28,378 INFO L271 CegarLoopResult]: At program point setupFINAL(lines 568 574) the Hoare annotation is: true [2020-08-18 20:54:28,378 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-08-18 20:54:28,378 INFO L264 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (and (= 1 ~systemActive~0) (= ~methaneLevelCritical~0 0) (= ~pumpRunning~0 0)) [2020-08-18 20:54:28,378 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-08-18 20:54:28,379 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-08-18 20:54:28,379 INFO L268 CegarLoopResult]: For program point waterRiseEXIT(lines 436 447) no Hoare annotation was computed. [2020-08-18 20:54:28,379 INFO L268 CegarLoopResult]: For program point L440-1(lines 436 447) no Hoare annotation was computed. [2020-08-18 20:54:28,379 INFO L264 CegarLoopResult]: At program point waterRiseENTRY(lines 436 447) the Hoare annotation is: (or (= |old(~waterLevel~0)| ~waterLevel~0) (not (= ~pumpRunning~0 0))) [2020-08-18 20:54:28,379 INFO L268 CegarLoopResult]: For program point __automaton_failFINAL(lines 40 47) no Hoare annotation was computed. [2020-08-18 20:54:28,379 INFO L268 CegarLoopResult]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 44) no Hoare annotation was computed. [2020-08-18 20:54:28,379 INFO L271 CegarLoopResult]: At program point __automaton_failENTRY(lines 40 47) the Hoare annotation is: true [2020-08-18 20:54:28,380 INFO L268 CegarLoopResult]: For program point __automaton_failEXIT(lines 40 47) no Hoare annotation was computed. [2020-08-18 20:54:28,396 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 18.08 08:54:28 BoogieIcfgContainer [2020-08-18 20:54:28,397 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-08-18 20:54:28,399 INFO L168 Benchmark]: Toolchain (without parser) took 25534.85 ms. Allocated memory was 144.2 MB in the beginning and 624.4 MB in the end (delta: 480.2 MB). Free memory was 102.0 MB in the beginning and 452.7 MB in the end (delta: -350.7 MB). Peak memory consumption was 497.1 MB. Max. memory is 7.1 GB. [2020-08-18 20:54:28,400 INFO L168 Benchmark]: CDTParser took 0.20 ms. Allocated memory is still 144.2 MB. Free memory was 121.1 MB in the beginning and 120.9 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2020-08-18 20:54:28,401 INFO L168 Benchmark]: CACSL2BoogieTranslator took 683.08 ms. Allocated memory was 144.2 MB in the beginning and 205.0 MB in the end (delta: 60.8 MB). Free memory was 101.8 MB in the beginning and 175.3 MB in the end (delta: -73.5 MB). Peak memory consumption was 25.4 MB. Max. memory is 7.1 GB. [2020-08-18 20:54:28,401 INFO L168 Benchmark]: Boogie Preprocessor took 90.71 ms. Allocated memory is still 205.0 MB. Free memory was 175.3 MB in the beginning and 171.2 MB in the end (delta: 4.1 MB). Peak memory consumption was 4.1 MB. Max. memory is 7.1 GB. [2020-08-18 20:54:28,402 INFO L168 Benchmark]: RCFGBuilder took 1178.68 ms. Allocated memory was 205.0 MB in the beginning and 235.4 MB in the end (delta: 30.4 MB). Free memory was 170.6 MB in the beginning and 198.0 MB in the end (delta: -27.4 MB). Peak memory consumption was 83.3 MB. Max. memory is 7.1 GB. [2020-08-18 20:54:28,403 INFO L168 Benchmark]: TraceAbstraction took 23575.08 ms. Allocated memory was 235.4 MB in the beginning and 624.4 MB in the end (delta: 389.0 MB). Free memory was 196.6 MB in the beginning and 452.7 MB in the end (delta: -256.1 MB). Peak memory consumption was 500.5 MB. Max. memory is 7.1 GB. [2020-08-18 20:54:28,408 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20 ms. Allocated memory is still 144.2 MB. Free memory was 121.1 MB in the beginning and 120.9 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 683.08 ms. Allocated memory was 144.2 MB in the beginning and 205.0 MB in the end (delta: 60.8 MB). Free memory was 101.8 MB in the beginning and 175.3 MB in the end (delta: -73.5 MB). Peak memory consumption was 25.4 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 90.71 ms. Allocated memory is still 205.0 MB. Free memory was 175.3 MB in the beginning and 171.2 MB in the end (delta: 4.1 MB). Peak memory consumption was 4.1 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1178.68 ms. Allocated memory was 205.0 MB in the beginning and 235.4 MB in the end (delta: 30.4 MB). Free memory was 170.6 MB in the beginning and 198.0 MB in the end (delta: -27.4 MB). Peak memory consumption was 83.3 MB. Max. memory is 7.1 GB. * TraceAbstraction took 23575.08 ms. Allocated memory was 235.4 MB in the beginning and 624.4 MB in the end (delta: 389.0 MB). Free memory was 196.6 MB in the beginning and 452.7 MB in the end (delta: -256.1 MB). Peak memory consumption was 500.5 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 44]: 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: 834]: Loop Invariant Derived loop invariant: (!(\old(systemActive) == 1) || !(\old(pumpRunning) == 0)) || !(\old(methaneLevelCritical) == 0) - InvariantResult [Line: 523]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 835]: Loop Invariant Derived loop invariant: ((!(\old(systemActive) == 1) || !(\old(pumpRunning) == 0)) || !(\old(methaneLevelCritical) == 0)) || (pumpRunning == 0 && splverifierCounter == 0) - InvariantResult [Line: 513]: Loop Invariant Derived loop invariant: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 39 procedures, 225 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 14.0s, OverallIterations: 5, TraceHistogramMax: 1, AutomataDifference: 11.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 9.3s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 478 SDtfs, 1099 SDslu, 533 SDs, 0 SdLazy, 2247 SolverSat, 811 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 5.8s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 155 GetRequests, 95 SyntacticMatches, 1 SemanticMatches, 59 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 151 ImplicationChecksByTransitivity, 5.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=402occurred in iteration=4, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 5 MinimizatonAttempts, 242 StatesRemovedByMinimization, 4 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 54 LocationsWithAnnotation, 491 PreInvPairs, 582 NumberOfFragments, 775 HoareAnnotationTreeSize, 491 FomulaSimplifications, 192822 FormulaSimplificationTreeSizeReduction, 3.1s HoareSimplificationTime, 54 FomulaSimplificationsInter, 17290 FormulaSimplificationTreeSizeReductionInter, 6.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 2.0s InterpolantComputationTime, 287 NumberOfCodeBlocks, 287 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 282 ConstructedInterpolants, 0 QuantifiedInterpolants, 83506 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 5 InterpolantComputations, 5 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...