/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.trace.refinement.strategy FIXED_PREFERENCES --traceabstraction.compute.interpolants.along.a.counterexample Craig_NestedInterpolation --traceabstraction.smt.solver Internal_SMTInterpol --traceabstraction.compute.trace.for.counterexample.result false --traceabstraction.use.minimal.unsat.core.enumeration true --traceabstraction.additional.smt.options enumeration-timeout=5000 --traceabstraction.additional.smt.options interpolation-heuristic=BIGGEST --traceabstraction.additional.smt.options log-additional-information=true -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/product-lines/minepump_spec5_product34.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-177f698 [2020-08-21 17:14:48,520 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-08-21 17:14:48,523 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-08-21 17:14:48,551 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-08-21 17:14:48,551 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-08-21 17:14:48,552 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-08-21 17:14:48,553 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-08-21 17:14:48,557 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-08-21 17:14:48,561 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-08-21 17:14:48,562 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-08-21 17:14:48,563 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-08-21 17:14:48,564 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-08-21 17:14:48,564 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-08-21 17:14:48,565 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-08-21 17:14:48,566 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-08-21 17:14:48,567 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-08-21 17:14:48,568 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-08-21 17:14:48,569 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-08-21 17:14:48,570 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-08-21 17:14:48,572 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-08-21 17:14:48,574 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-08-21 17:14:48,575 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-08-21 17:14:48,576 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-08-21 17:14:48,576 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-08-21 17:14:48,579 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-08-21 17:14:48,579 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-08-21 17:14:48,579 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-08-21 17:14:48,583 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-08-21 17:14:48,583 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-08-21 17:14:48,584 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-08-21 17:14:48,584 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-08-21 17:14:48,585 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-08-21 17:14:48,586 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-08-21 17:14:48,587 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-08-21 17:14:48,587 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-08-21 17:14:48,588 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-08-21 17:14:48,588 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-08-21 17:14:48,589 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-08-21 17:14:48,589 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-08-21 17:14:48,590 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-08-21 17:14:48,590 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-08-21 17:14:48,591 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2020-08-21 17:14:48,613 INFO L113 SettingsManager]: Loading preferences was successful [2020-08-21 17:14:48,614 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-08-21 17:14:48,615 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-08-21 17:14:48,615 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-08-21 17:14:48,615 INFO L138 SettingsManager]: * Use SBE=true [2020-08-21 17:14:48,616 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-08-21 17:14:48,616 INFO L138 SettingsManager]: * sizeof long=4 [2020-08-21 17:14:48,616 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-08-21 17:14:48,616 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-08-21 17:14:48,616 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-08-21 17:14:48,617 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-08-21 17:14:48,617 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-08-21 17:14:48,617 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-08-21 17:14:48,617 INFO L138 SettingsManager]: * sizeof long double=12 [2020-08-21 17:14:48,617 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-08-21 17:14:48,618 INFO L138 SettingsManager]: * Use constant arrays=true [2020-08-21 17:14:48,618 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-08-21 17:14:48,618 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-08-21 17:14:48,618 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-08-21 17:14:48,619 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-08-21 17:14:48,619 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-08-21 17:14:48,619 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-08-21 17:14:48,619 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-08-21 17:14:48,619 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-08-21 17:14:48,620 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-08-21 17:14:48,620 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-08-21 17:14:48,620 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-08-21 17:14:48,620 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-08-21 17:14:48,620 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-08-21 17:14:48,621 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> enumeration-timeout=5000;interpolation-heuristic=BIGGEST;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> enumeration-timeout=5000;interpolation-heuristic=BIGGEST;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> enumeration-timeout=5000;interpolation-heuristic=BIGGEST;log-additional-information=true; [2020-08-21 17:14:48,919 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-08-21 17:14:48,942 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-08-21 17:14:48,947 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-08-21 17:14:48,949 INFO L271 PluginConnector]: Initializing CDTParser... [2020-08-21 17:14:48,951 INFO L275 PluginConnector]: CDTParser initialized [2020-08-21 17:14:48,951 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec5_product34.cil.c [2020-08-21 17:14:49,016 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/a16041927/c9a1e1ac39de427f9724528e46a8b60c/FLAG2a31db9f9 [2020-08-21 17:14:49,544 INFO L306 CDTParser]: Found 1 translation units. [2020-08-21 17:14:49,550 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/product-lines/minepump_spec5_product34.cil.c [2020-08-21 17:14:49,563 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/a16041927/c9a1e1ac39de427f9724528e46a8b60c/FLAG2a31db9f9 [2020-08-21 17:14:49,861 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/a16041927/c9a1e1ac39de427f9724528e46a8b60c [2020-08-21 17:14:49,870 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-08-21 17:14:49,872 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-08-21 17:14:49,873 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-08-21 17:14:49,873 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-08-21 17:14:49,877 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-08-21 17:14:49,878 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.08 05:14:49" (1/1) ... [2020-08-21 17:14:49,881 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1e399bb7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 05:14:49, skipping insertion in model container [2020-08-21 17:14:49,881 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.08 05:14:49" (1/1) ... [2020-08-21 17:14:49,889 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-08-21 17:14:49,931 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-08-21 17:14:50,418 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-08-21 17:14:50,435 INFO L203 MainTranslator]: Completed pre-run [2020-08-21 17:14:50,511 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-08-21 17:14:50,554 INFO L208 MainTranslator]: Completed translation [2020-08-21 17:14:50,555 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 05:14:50 WrapperNode [2020-08-21 17:14:50,555 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-08-21 17:14:50,556 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-08-21 17:14:50,556 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-08-21 17:14:50,557 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-08-21 17:14:50,567 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 05:14:50" (1/1) ... [2020-08-21 17:14:50,568 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 05:14:50" (1/1) ... [2020-08-21 17:14:50,587 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 05:14:50" (1/1) ... [2020-08-21 17:14:50,588 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 05:14:50" (1/1) ... [2020-08-21 17:14:50,616 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 05:14:50" (1/1) ... [2020-08-21 17:14:50,626 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 05:14:50" (1/1) ... [2020-08-21 17:14:50,631 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 05:14:50" (1/1) ... [2020-08-21 17:14:50,644 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-08-21 17:14:50,645 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-08-21 17:14:50,645 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-08-21 17:14:50,645 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-08-21 17:14:50,646 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 05:14:50" (1/1) ... No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-08-21 17:14:50,722 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-08-21 17:14:50,723 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-08-21 17:14:50,723 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-08-21 17:14:50,723 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-08-21 17:14:50,724 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-08-21 17:14:50,724 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-08-21 17:14:50,724 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-08-21 17:14:50,725 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-08-21 17:14:50,725 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-08-21 17:14:50,726 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-08-21 17:14:50,726 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-08-21 17:14:50,726 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-08-21 17:14:50,726 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-08-21 17:14:50,727 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-08-21 17:14:50,727 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-08-21 17:14:50,728 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-08-21 17:14:50,728 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-08-21 17:14:50,728 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-08-21 17:14:50,728 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-08-21 17:14:50,728 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-08-21 17:14:50,729 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2020-08-21 17:14:50,729 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-08-21 17:14:50,729 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-08-21 17:14:50,729 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2020-08-21 17:14:50,730 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-08-21 17:14:50,732 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-08-21 17:14:50,732 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-08-21 17:14:50,732 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-08-21 17:14:50,732 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-08-21 17:14:50,733 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-08-21 17:14:50,733 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2020-08-21 17:14:50,733 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2020-08-21 17:14:50,734 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__1 [2020-08-21 17:14:50,734 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__2 [2020-08-21 17:14:50,734 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__3 [2020-08-21 17:14:50,734 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-08-21 17:14:50,734 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-08-21 17:14:50,734 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-08-21 17:14:50,735 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-08-21 17:14:50,735 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-08-21 17:14:50,735 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-08-21 17:14:50,735 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-08-21 17:14:50,735 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-08-21 17:14:50,735 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-08-21 17:14:50,737 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-08-21 17:14:50,737 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-08-21 17:14:50,737 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-08-21 17:14:50,737 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-08-21 17:14:50,737 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-08-21 17:14:50,737 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-08-21 17:14:50,738 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-08-21 17:14:50,738 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-08-21 17:14:50,738 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-08-21 17:14:50,738 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-08-21 17:14:50,739 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-08-21 17:14:50,739 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-08-21 17:14:50,739 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-08-21 17:14:50,739 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-08-21 17:14:50,739 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-08-21 17:14:50,739 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-08-21 17:14:50,740 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-08-21 17:14:50,740 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-08-21 17:14:50,740 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-08-21 17:14:50,740 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-08-21 17:14:50,740 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-08-21 17:14:50,740 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-08-21 17:14:50,741 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-08-21 17:14:50,741 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-08-21 17:14:50,741 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-08-21 17:14:50,741 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-08-21 17:14:50,742 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-08-21 17:14:50,742 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2020-08-21 17:14:50,742 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2020-08-21 17:14:50,743 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-08-21 17:14:50,743 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-08-21 17:14:50,744 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-08-21 17:14:50,744 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-08-21 17:14:50,745 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-08-21 17:14:50,745 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-08-21 17:14:50,745 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-08-21 17:14:50,746 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__2 [2020-08-21 17:14:50,746 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__3 [2020-08-21 17:14:50,746 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-08-21 17:14:50,746 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2020-08-21 17:14:50,746 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2020-08-21 17:14:50,746 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-08-21 17:14:50,746 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__1 [2020-08-21 17:14:50,747 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-08-21 17:14:50,747 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-08-21 17:14:50,747 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-08-21 17:14:50,747 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-08-21 17:14:50,747 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-08-21 17:14:50,747 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-08-21 17:14:50,747 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-08-21 17:14:51,838 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-08-21 17:14:51,838 INFO L295 CfgBuilder]: Removed 5 assume(true) statements. [2020-08-21 17:14:51,843 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.08 05:14:51 BoogieIcfgContainer [2020-08-21 17:14:51,844 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-08-21 17:14:51,845 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-08-21 17:14:51,845 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-08-21 17:14:51,848 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-08-21 17:14:51,849 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.08 05:14:49" (1/3) ... [2020-08-21 17:14:51,850 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4152192 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.08 05:14:51, skipping insertion in model container [2020-08-21 17:14:51,850 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 05:14:50" (2/3) ... [2020-08-21 17:14:51,850 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4152192 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.08 05:14:51, skipping insertion in model container [2020-08-21 17:14:51,851 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.08 05:14:51" (3/3) ... [2020-08-21 17:14:51,852 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec5_product34.cil.c [2020-08-21 17:14:51,864 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-08-21 17:14:51,872 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-08-21 17:14:51,887 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-08-21 17:14:51,912 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-08-21 17:14:51,912 INFO L376 AbstractCegarLoop]: Hoare is true [2020-08-21 17:14:51,912 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-08-21 17:14:51,913 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-08-21 17:14:51,913 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-08-21 17:14:51,913 INFO L380 AbstractCegarLoop]: Difference is false [2020-08-21 17:14:51,913 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-08-21 17:14:51,914 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-08-21 17:14:51,935 INFO L276 IsEmpty]: Start isEmpty. Operand 162 states. [2020-08-21 17:14:51,945 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2020-08-21 17:14:51,946 INFO L414 BasicCegarLoop]: Found error trace [2020-08-21 17:14:51,947 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-21 17:14:51,947 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-21 17:14:51,953 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-21 17:14:51,954 INFO L82 PathProgramCache]: Analyzing trace with hash 1468621358, now seen corresponding path program 1 times [2020-08-21 17:14:51,962 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-21 17:14:51,963 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1763100261] [2020-08-21 17:14:51,963 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-21 17:14:52,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:14:52,667 WARN L193 SmtUtils]: Spent 312.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-08-21 17:14:52,668 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-21 17:14:52,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:14:52,769 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-08-21 17:14:52,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:14:52,774 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-08-21 17:14:52,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:14:52,776 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-08-21 17:14:52,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:14:52,780 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-08-21 17:14:52,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:14:52,790 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-08-21 17:14:52,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:14:52,794 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2020-08-21 17:14:52,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:14:52,799 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-21 17:14:52,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:14:52,802 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2020-08-21 17:14:52,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:14:52,805 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2020-08-21 17:14:52,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:14:52,824 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-08-21 17:14:52,825 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1763100261] [2020-08-21 17:14:52,827 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-21 17:14:52,828 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-08-21 17:14:52,829 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1348702009] [2020-08-21 17:14:52,835 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-08-21 17:14:52,835 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-21 17:14:52,852 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-08-21 17:14:52,854 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-08-21 17:14:52,857 INFO L87 Difference]: Start difference. First operand 162 states. Second operand 4 states. [2020-08-21 17:14:53,888 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-21 17:14:53,889 INFO L93 Difference]: Finished difference Result 265 states and 344 transitions. [2020-08-21 17:14:53,889 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-08-21 17:14:53,891 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 59 [2020-08-21 17:14:53,891 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-21 17:14:53,905 INFO L225 Difference]: With dead ends: 265 [2020-08-21 17:14:53,905 INFO L226 Difference]: Without dead ends: 147 [2020-08-21 17:14:53,910 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-08-21 17:14:53,930 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 147 states. [2020-08-21 17:14:53,987 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 147 to 119. [2020-08-21 17:14:53,989 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 119 states. [2020-08-21 17:14:53,991 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 119 states to 119 states and 139 transitions. [2020-08-21 17:14:53,993 INFO L78 Accepts]: Start accepts. Automaton has 119 states and 139 transitions. Word has length 59 [2020-08-21 17:14:53,993 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-21 17:14:53,993 INFO L479 AbstractCegarLoop]: Abstraction has 119 states and 139 transitions. [2020-08-21 17:14:53,994 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-08-21 17:14:53,994 INFO L276 IsEmpty]: Start isEmpty. Operand 119 states and 139 transitions. [2020-08-21 17:14:53,997 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2020-08-21 17:14:53,998 INFO L414 BasicCegarLoop]: Found error trace [2020-08-21 17:14:53,998 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-21 17:14:53,998 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-08-21 17:14:53,999 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-21 17:14:53,999 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-21 17:14:53,999 INFO L82 PathProgramCache]: Analyzing trace with hash 732022184, now seen corresponding path program 1 times [2020-08-21 17:14:53,999 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-21 17:14:54,000 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1481722658] [2020-08-21 17:14:54,000 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-21 17:14:54,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:14:54,353 WARN L193 SmtUtils]: Spent 244.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-08-21 17:14:54,355 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-21 17:14:54,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:14:54,411 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-08-21 17:14:54,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:14:54,413 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-08-21 17:14:54,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:14:54,415 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-08-21 17:14:54,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:14:54,420 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-08-21 17:14:54,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:14:54,435 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-08-21 17:14:54,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:14:54,437 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2020-08-21 17:14:54,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:14:54,442 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-21 17:14:54,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:14:54,446 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2020-08-21 17:14:54,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:14:54,449 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2020-08-21 17:14:54,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:14:54,460 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-08-21 17:14:54,461 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1481722658] [2020-08-21 17:14:54,461 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-21 17:14:54,461 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-08-21 17:14:54,462 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [429233721] [2020-08-21 17:14:54,464 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-08-21 17:14:54,464 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-21 17:14:54,465 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-08-21 17:14:54,465 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-08-21 17:14:54,465 INFO L87 Difference]: Start difference. First operand 119 states and 139 transitions. Second operand 5 states. [2020-08-21 17:14:54,993 WARN L193 SmtUtils]: Spent 220.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-08-21 17:14:55,783 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-21 17:14:55,783 INFO L93 Difference]: Finished difference Result 206 states and 252 transitions. [2020-08-21 17:14:55,785 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-08-21 17:14:55,785 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 60 [2020-08-21 17:14:55,786 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-21 17:14:55,788 INFO L225 Difference]: With dead ends: 206 [2020-08-21 17:14:55,788 INFO L226 Difference]: Without dead ends: 137 [2020-08-21 17:14:55,790 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2020-08-21 17:14:55,791 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 137 states. [2020-08-21 17:14:55,826 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 137 to 110. [2020-08-21 17:14:55,826 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 110 states. [2020-08-21 17:14:55,827 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 110 states to 110 states and 127 transitions. [2020-08-21 17:14:55,828 INFO L78 Accepts]: Start accepts. Automaton has 110 states and 127 transitions. Word has length 60 [2020-08-21 17:14:55,828 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-21 17:14:55,828 INFO L479 AbstractCegarLoop]: Abstraction has 110 states and 127 transitions. [2020-08-21 17:14:55,829 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-08-21 17:14:55,829 INFO L276 IsEmpty]: Start isEmpty. Operand 110 states and 127 transitions. [2020-08-21 17:14:55,831 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2020-08-21 17:14:55,831 INFO L414 BasicCegarLoop]: Found error trace [2020-08-21 17:14:55,831 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-21 17:14:55,832 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-08-21 17:14:55,832 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-21 17:14:55,832 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-21 17:14:55,832 INFO L82 PathProgramCache]: Analyzing trace with hash -69452161, now seen corresponding path program 1 times [2020-08-21 17:14:55,833 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-21 17:14:55,833 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2145243758] [2020-08-21 17:14:55,833 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-21 17:14:55,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:14:56,161 WARN L193 SmtUtils]: Spent 208.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-08-21 17:14:56,163 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-21 17:14:56,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:14:56,198 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-08-21 17:14:56,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:14:56,201 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-08-21 17:14:56,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:14:56,202 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-08-21 17:14:56,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:14:56,235 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-08-21 17:14:56,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:14:56,251 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-08-21 17:14:56,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:14:56,254 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2020-08-21 17:14:56,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:14:56,261 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-21 17:14:56,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:14:56,263 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2020-08-21 17:14:56,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:14:56,269 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2020-08-21 17:14:56,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:14:56,281 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-08-21 17:14:56,281 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2145243758] [2020-08-21 17:14:56,291 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-21 17:14:56,291 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-08-21 17:14:56,291 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2126267888] [2020-08-21 17:14:56,293 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-08-21 17:14:56,293 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-21 17:14:56,293 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-08-21 17:14:56,295 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2020-08-21 17:14:56,295 INFO L87 Difference]: Start difference. First operand 110 states and 127 transitions. Second operand 9 states. [2020-08-21 17:14:56,699 WARN L193 SmtUtils]: Spent 227.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-08-21 17:14:56,998 WARN L193 SmtUtils]: Spent 203.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-08-21 17:14:57,258 WARN L193 SmtUtils]: Spent 220.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-08-21 17:14:57,517 WARN L193 SmtUtils]: Spent 238.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-08-21 17:14:58,541 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-21 17:14:58,542 INFO L93 Difference]: Finished difference Result 219 states and 271 transitions. [2020-08-21 17:14:58,542 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-08-21 17:14:58,542 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 65 [2020-08-21 17:14:58,543 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-21 17:14:58,545 INFO L225 Difference]: With dead ends: 219 [2020-08-21 17:14:58,545 INFO L226 Difference]: Without dead ends: 137 [2020-08-21 17:14:58,547 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 21 SyntacticMatches, 1 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=56, Invalid=126, Unknown=0, NotChecked=0, Total=182 [2020-08-21 17:14:58,548 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 137 states. [2020-08-21 17:14:58,572 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 137 to 110. [2020-08-21 17:14:58,573 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 110 states. [2020-08-21 17:14:58,574 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 110 states to 110 states and 126 transitions. [2020-08-21 17:14:58,574 INFO L78 Accepts]: Start accepts. Automaton has 110 states and 126 transitions. Word has length 65 [2020-08-21 17:14:58,574 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-21 17:14:58,575 INFO L479 AbstractCegarLoop]: Abstraction has 110 states and 126 transitions. [2020-08-21 17:14:58,575 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-08-21 17:14:58,575 INFO L276 IsEmpty]: Start isEmpty. Operand 110 states and 126 transitions. [2020-08-21 17:14:58,577 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2020-08-21 17:14:58,577 INFO L414 BasicCegarLoop]: Found error trace [2020-08-21 17:14:58,577 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-21 17:14:58,577 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-08-21 17:14:58,578 INFO L427 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-21 17:14:58,578 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-21 17:14:58,578 INFO L82 PathProgramCache]: Analyzing trace with hash -752044170, now seen corresponding path program 1 times [2020-08-21 17:14:58,578 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-21 17:14:58,579 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [450757858] [2020-08-21 17:14:58,579 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-21 17:14:58,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:14:58,850 WARN L193 SmtUtils]: Spent 187.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-08-21 17:14:58,851 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-21 17:14:58,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:14:58,880 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-08-21 17:14:58,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:14:58,882 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-08-21 17:14:58,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:14:58,884 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-08-21 17:14:58,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:14:58,887 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-08-21 17:14:58,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:14:58,902 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-08-21 17:14:58,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:14:58,905 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2020-08-21 17:14:58,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:14:58,908 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-21 17:14:58,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:14:58,925 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2020-08-21 17:14:58,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:14:58,943 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-21 17:14:58,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:14:58,946 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2020-08-21 17:14:58,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:14:58,948 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-21 17:14:58,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:14:58,960 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-08-21 17:14:58,960 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [450757858] [2020-08-21 17:14:58,961 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-21 17:14:58,961 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-08-21 17:14:58,961 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2084449084] [2020-08-21 17:14:58,962 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-08-21 17:14:58,962 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-21 17:14:58,962 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-08-21 17:14:58,962 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2020-08-21 17:14:58,963 INFO L87 Difference]: Start difference. First operand 110 states and 126 transitions. Second operand 7 states. [2020-08-21 17:14:59,469 WARN L193 SmtUtils]: Spent 229.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-08-21 17:15:00,837 WARN L193 SmtUtils]: Spent 181.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-08-21 17:15:01,182 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-21 17:15:01,182 INFO L93 Difference]: Finished difference Result 314 states and 394 transitions. [2020-08-21 17:15:01,182 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-08-21 17:15:01,183 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 73 [2020-08-21 17:15:01,183 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-21 17:15:01,188 INFO L225 Difference]: With dead ends: 314 [2020-08-21 17:15:01,189 INFO L226 Difference]: Without dead ends: 232 [2020-08-21 17:15:01,190 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 29 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=58, Invalid=124, Unknown=0, NotChecked=0, Total=182 [2020-08-21 17:15:01,191 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 232 states. [2020-08-21 17:15:01,230 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 232 to 186. [2020-08-21 17:15:01,230 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 186 states. [2020-08-21 17:15:01,231 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 186 states to 186 states and 215 transitions. [2020-08-21 17:15:01,232 INFO L78 Accepts]: Start accepts. Automaton has 186 states and 215 transitions. Word has length 73 [2020-08-21 17:15:01,232 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-21 17:15:01,232 INFO L479 AbstractCegarLoop]: Abstraction has 186 states and 215 transitions. [2020-08-21 17:15:01,232 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-08-21 17:15:01,232 INFO L276 IsEmpty]: Start isEmpty. Operand 186 states and 215 transitions. [2020-08-21 17:15:01,234 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2020-08-21 17:15:01,234 INFO L414 BasicCegarLoop]: Found error trace [2020-08-21 17:15:01,235 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-21 17:15:01,235 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-08-21 17:15:01,235 INFO L427 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-21 17:15:01,235 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-21 17:15:01,235 INFO L82 PathProgramCache]: Analyzing trace with hash -1770960597, now seen corresponding path program 1 times [2020-08-21 17:15:01,236 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-21 17:15:01,236 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [589149578] [2020-08-21 17:15:01,236 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-21 17:15:01,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:15:01,553 WARN L193 SmtUtils]: Spent 194.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-08-21 17:15:01,554 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-21 17:15:01,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:15:01,584 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-08-21 17:15:01,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:15:01,586 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-08-21 17:15:01,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:15:01,588 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-08-21 17:15:01,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:15:01,590 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-08-21 17:15:01,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:15:01,624 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-08-21 17:15:01,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:15:01,631 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2020-08-21 17:15:01,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:15:01,640 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-21 17:15:01,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:15:01,652 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2020-08-21 17:15:01,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:15:01,665 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-21 17:15:01,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:15:01,674 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-08-21 17:15:01,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:15:01,680 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-08-21 17:15:01,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:15:01,685 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2020-08-21 17:15:01,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:15:01,687 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2020-08-21 17:15:01,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:15:01,710 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-08-21 17:15:01,710 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [589149578] [2020-08-21 17:15:01,710 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-21 17:15:01,711 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-08-21 17:15:01,711 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [420998610] [2020-08-21 17:15:01,712 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-08-21 17:15:01,713 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-21 17:15:01,713 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-08-21 17:15:01,713 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2020-08-21 17:15:01,714 INFO L87 Difference]: Start difference. First operand 186 states and 215 transitions. Second operand 9 states. [2020-08-21 17:15:02,121 WARN L193 SmtUtils]: Spent 226.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-08-21 17:15:02,849 WARN L193 SmtUtils]: Spent 231.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-08-21 17:15:03,452 WARN L193 SmtUtils]: Spent 203.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-08-21 17:15:03,773 WARN L193 SmtUtils]: Spent 223.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-08-21 17:15:04,250 WARN L193 SmtUtils]: Spent 206.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-08-21 17:15:04,497 WARN L193 SmtUtils]: Spent 223.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-08-21 17:15:04,842 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-21 17:15:04,843 INFO L93 Difference]: Finished difference Result 389 states and 479 transitions. [2020-08-21 17:15:04,843 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2020-08-21 17:15:04,843 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 87 [2020-08-21 17:15:04,844 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-21 17:15:04,847 INFO L225 Difference]: With dead ends: 389 [2020-08-21 17:15:04,847 INFO L226 Difference]: Without dead ends: 231 [2020-08-21 17:15:04,849 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 49 GetRequests, 33 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 35 ImplicationChecksByTransitivity, 1.7s TimeCoverageRelationStatistics Valid=91, Invalid=215, Unknown=0, NotChecked=0, Total=306 [2020-08-21 17:15:04,850 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 231 states. [2020-08-21 17:15:04,889 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 231 to 185. [2020-08-21 17:15:04,890 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 185 states. [2020-08-21 17:15:04,891 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 185 states to 185 states and 212 transitions. [2020-08-21 17:15:04,891 INFO L78 Accepts]: Start accepts. Automaton has 185 states and 212 transitions. Word has length 87 [2020-08-21 17:15:04,892 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-21 17:15:04,892 INFO L479 AbstractCegarLoop]: Abstraction has 185 states and 212 transitions. [2020-08-21 17:15:04,892 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-08-21 17:15:04,892 INFO L276 IsEmpty]: Start isEmpty. Operand 185 states and 212 transitions. [2020-08-21 17:15:04,894 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2020-08-21 17:15:04,894 INFO L414 BasicCegarLoop]: Found error trace [2020-08-21 17:15:04,894 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-21 17:15:04,894 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-08-21 17:15:04,894 INFO L427 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-21 17:15:04,895 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-21 17:15:04,895 INFO L82 PathProgramCache]: Analyzing trace with hash 1107726217, now seen corresponding path program 1 times [2020-08-21 17:15:04,895 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-21 17:15:04,895 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1356025281] [2020-08-21 17:15:04,895 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-21 17:15:04,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:15:05,212 WARN L193 SmtUtils]: Spent 253.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-08-21 17:15:05,213 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-21 17:15:05,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:15:05,230 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-08-21 17:15:05,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:15:05,231 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-08-21 17:15:05,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:15:05,233 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-08-21 17:15:05,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:15:05,234 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-08-21 17:15:05,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:15:05,242 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-08-21 17:15:05,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:15:05,245 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2020-08-21 17:15:05,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:15:05,247 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-21 17:15:05,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:15:05,256 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2020-08-21 17:15:05,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:15:05,278 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-21 17:15:05,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:15:05,308 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-08-21 17:15:05,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:15:05,310 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-08-21 17:15:05,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:15:05,311 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2020-08-21 17:15:05,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:15:05,313 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2020-08-21 17:15:05,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:15:05,325 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-08-21 17:15:05,325 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1356025281] [2020-08-21 17:15:05,325 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-21 17:15:05,326 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-08-21 17:15:05,326 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [553743816] [2020-08-21 17:15:05,326 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-08-21 17:15:05,327 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-21 17:15:05,327 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-08-21 17:15:05,327 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2020-08-21 17:15:05,327 INFO L87 Difference]: Start difference. First operand 185 states and 212 transitions. Second operand 9 states. [2020-08-21 17:15:06,322 WARN L193 SmtUtils]: Spent 215.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-08-21 17:15:06,594 WARN L193 SmtUtils]: Spent 246.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-08-21 17:15:06,917 WARN L193 SmtUtils]: Spent 280.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-08-21 17:15:07,172 WARN L193 SmtUtils]: Spent 229.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-08-21 17:15:07,714 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-21 17:15:07,714 INFO L93 Difference]: Finished difference Result 387 states and 475 transitions. [2020-08-21 17:15:07,715 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-08-21 17:15:07,715 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 88 [2020-08-21 17:15:07,715 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-21 17:15:07,717 INFO L225 Difference]: With dead ends: 387 [2020-08-21 17:15:07,717 INFO L226 Difference]: Without dead ends: 230 [2020-08-21 17:15:07,719 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 29 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=52, Invalid=130, Unknown=0, NotChecked=0, Total=182 [2020-08-21 17:15:07,719 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 230 states. [2020-08-21 17:15:07,755 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 230 to 190. [2020-08-21 17:15:07,755 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 190 states. [2020-08-21 17:15:07,756 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 190 states to 190 states and 217 transitions. [2020-08-21 17:15:07,757 INFO L78 Accepts]: Start accepts. Automaton has 190 states and 217 transitions. Word has length 88 [2020-08-21 17:15:07,757 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-21 17:15:07,757 INFO L479 AbstractCegarLoop]: Abstraction has 190 states and 217 transitions. [2020-08-21 17:15:07,758 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-08-21 17:15:07,758 INFO L276 IsEmpty]: Start isEmpty. Operand 190 states and 217 transitions. [2020-08-21 17:15:07,759 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2020-08-21 17:15:07,759 INFO L414 BasicCegarLoop]: Found error trace [2020-08-21 17:15:07,759 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-21 17:15:07,759 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-08-21 17:15:07,760 INFO L427 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-21 17:15:07,760 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-21 17:15:07,760 INFO L82 PathProgramCache]: Analyzing trace with hash -1801037685, now seen corresponding path program 1 times [2020-08-21 17:15:07,760 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-21 17:15:07,761 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1158036406] [2020-08-21 17:15:07,761 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-21 17:15:07,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:15:08,004 WARN L193 SmtUtils]: Spent 179.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-08-21 17:15:08,007 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-21 17:15:08,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:15:08,022 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-08-21 17:15:08,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:15:08,024 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-08-21 17:15:08,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:15:08,025 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-08-21 17:15:08,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:15:08,050 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-08-21 17:15:08,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:15:08,065 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-08-21 17:15:08,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:15:08,067 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2020-08-21 17:15:08,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:15:08,069 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-21 17:15:08,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:15:08,078 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2020-08-21 17:15:08,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:15:08,084 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-21 17:15:08,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:15:08,127 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-08-21 17:15:08,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:15:08,148 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-08-21 17:15:08,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:15:08,151 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2020-08-21 17:15:08,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:15:08,152 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2020-08-21 17:15:08,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:15:08,167 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-08-21 17:15:08,168 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1158036406] [2020-08-21 17:15:08,168 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-21 17:15:08,169 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2020-08-21 17:15:08,169 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [392293478] [2020-08-21 17:15:08,170 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-08-21 17:15:08,170 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-21 17:15:08,171 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-08-21 17:15:08,175 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=89, Unknown=0, NotChecked=0, Total=110 [2020-08-21 17:15:08,176 INFO L87 Difference]: Start difference. First operand 190 states and 217 transitions. Second operand 11 states. [2020-08-21 17:15:08,835 WARN L193 SmtUtils]: Spent 210.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-08-21 17:15:09,087 WARN L193 SmtUtils]: Spent 195.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-08-21 17:15:09,311 WARN L193 SmtUtils]: Spent 203.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-08-21 17:15:10,021 WARN L193 SmtUtils]: Spent 209.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-08-21 17:15:10,280 WARN L193 SmtUtils]: Spent 216.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-08-21 17:15:10,545 WARN L193 SmtUtils]: Spent 232.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-08-21 17:15:11,192 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-21 17:15:11,192 INFO L93 Difference]: Finished difference Result 399 states and 494 transitions. [2020-08-21 17:15:11,195 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-08-21 17:15:11,195 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 88 [2020-08-21 17:15:11,196 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-21 17:15:11,198 INFO L225 Difference]: With dead ends: 399 [2020-08-21 17:15:11,198 INFO L226 Difference]: Without dead ends: 237 [2020-08-21 17:15:11,199 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 47 GetRequests, 31 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 27 ImplicationChecksByTransitivity, 1.6s TimeCoverageRelationStatistics Valid=68, Invalid=238, Unknown=0, NotChecked=0, Total=306 [2020-08-21 17:15:11,200 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 237 states. [2020-08-21 17:15:11,254 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 237 to 194. [2020-08-21 17:15:11,254 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 194 states. [2020-08-21 17:15:11,256 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 194 states to 194 states and 221 transitions. [2020-08-21 17:15:11,256 INFO L78 Accepts]: Start accepts. Automaton has 194 states and 221 transitions. Word has length 88 [2020-08-21 17:15:11,257 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-21 17:15:11,257 INFO L479 AbstractCegarLoop]: Abstraction has 194 states and 221 transitions. [2020-08-21 17:15:11,257 INFO L480 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-08-21 17:15:11,258 INFO L276 IsEmpty]: Start isEmpty. Operand 194 states and 221 transitions. [2020-08-21 17:15:11,259 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2020-08-21 17:15:11,259 INFO L414 BasicCegarLoop]: Found error trace [2020-08-21 17:15:11,259 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-21 17:15:11,260 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-08-21 17:15:11,260 INFO L427 AbstractCegarLoop]: === Iteration 8 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-21 17:15:11,260 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-21 17:15:11,260 INFO L82 PathProgramCache]: Analyzing trace with hash 310252684, now seen corresponding path program 1 times [2020-08-21 17:15:11,260 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-21 17:15:11,261 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1696524452] [2020-08-21 17:15:11,261 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-21 17:15:11,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:15:11,557 WARN L193 SmtUtils]: Spent 204.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-08-21 17:15:11,559 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-21 17:15:11,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:15:11,583 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-08-21 17:15:11,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:15:11,585 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-08-21 17:15:11,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:15:11,586 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-08-21 17:15:11,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:15:11,589 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-08-21 17:15:11,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:15:11,600 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-08-21 17:15:11,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:15:11,602 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2020-08-21 17:15:11,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:15:11,604 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-21 17:15:11,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:15:11,619 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2020-08-21 17:15:11,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:15:11,633 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-21 17:15:11,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:15:11,645 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-08-21 17:15:11,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:15:11,656 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-08-21 17:15:11,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:15:11,658 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2020-08-21 17:15:11,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:15:11,660 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2020-08-21 17:15:11,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:15:11,672 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-08-21 17:15:11,672 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1696524452] [2020-08-21 17:15:11,673 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-21 17:15:11,673 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-08-21 17:15:11,673 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [151518873] [2020-08-21 17:15:11,674 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-08-21 17:15:11,674 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-21 17:15:11,674 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-08-21 17:15:11,674 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2020-08-21 17:15:11,674 INFO L87 Difference]: Start difference. First operand 194 states and 221 transitions. Second operand 7 states. [2020-08-21 17:15:12,164 WARN L193 SmtUtils]: Spent 309.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-08-21 17:15:12,857 WARN L193 SmtUtils]: Spent 226.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-08-21 17:15:14,284 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-21 17:15:14,284 INFO L93 Difference]: Finished difference Result 571 states and 717 transitions. [2020-08-21 17:15:14,285 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2020-08-21 17:15:14,285 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 88 [2020-08-21 17:15:14,285 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-21 17:15:14,288 INFO L225 Difference]: With dead ends: 571 [2020-08-21 17:15:14,288 INFO L226 Difference]: Without dead ends: 405 [2020-08-21 17:15:14,291 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 35 SyntacticMatches, 2 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 36 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=64, Invalid=146, Unknown=0, NotChecked=0, Total=210 [2020-08-21 17:15:14,292 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 405 states. [2020-08-21 17:15:14,387 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 405 to 363. [2020-08-21 17:15:14,387 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 363 states. [2020-08-21 17:15:14,390 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 363 states to 363 states and 424 transitions. [2020-08-21 17:15:14,391 INFO L78 Accepts]: Start accepts. Automaton has 363 states and 424 transitions. Word has length 88 [2020-08-21 17:15:14,393 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-21 17:15:14,394 INFO L479 AbstractCegarLoop]: Abstraction has 363 states and 424 transitions. [2020-08-21 17:15:14,394 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-08-21 17:15:14,394 INFO L276 IsEmpty]: Start isEmpty. Operand 363 states and 424 transitions. [2020-08-21 17:15:14,397 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2020-08-21 17:15:14,397 INFO L414 BasicCegarLoop]: Found error trace [2020-08-21 17:15:14,397 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-21 17:15:14,398 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-08-21 17:15:14,400 INFO L427 AbstractCegarLoop]: === Iteration 9 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-21 17:15:14,400 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-21 17:15:14,400 INFO L82 PathProgramCache]: Analyzing trace with hash 1394429222, now seen corresponding path program 1 times [2020-08-21 17:15:14,401 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-21 17:15:14,401 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1742300423] [2020-08-21 17:15:14,401 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-21 17:15:14,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:15:14,758 WARN L193 SmtUtils]: Spent 190.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-08-21 17:15:14,762 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-21 17:15:14,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:15:14,785 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-08-21 17:15:14,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:15:14,786 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-08-21 17:15:14,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:15:14,788 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-08-21 17:15:14,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:15:14,790 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-08-21 17:15:14,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:15:14,805 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-08-21 17:15:14,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:15:14,828 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2020-08-21 17:15:14,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:15:14,867 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2020-08-21 17:15:14,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:15:14,870 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-21 17:15:14,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:15:14,896 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2020-08-21 17:15:14,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:15:14,902 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-21 17:15:14,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:15:14,906 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-08-21 17:15:14,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:15:14,912 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-08-21 17:15:14,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:15:14,915 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2020-08-21 17:15:14,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:15:14,938 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2020-08-21 17:15:14,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:15:14,952 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-08-21 17:15:14,952 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1742300423] [2020-08-21 17:15:14,953 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-21 17:15:14,953 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2020-08-21 17:15:14,953 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [439954694] [2020-08-21 17:15:14,954 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-08-21 17:15:14,954 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-21 17:15:14,954 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-08-21 17:15:14,954 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=107, Unknown=0, NotChecked=0, Total=132 [2020-08-21 17:15:14,955 INFO L87 Difference]: Start difference. First operand 363 states and 424 transitions. Second operand 12 states. [2020-08-21 17:15:15,414 WARN L193 SmtUtils]: Spent 209.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-08-21 17:15:16,070 WARN L193 SmtUtils]: Spent 216.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-08-21 17:15:16,989 WARN L193 SmtUtils]: Spent 226.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-08-21 17:15:17,290 WARN L193 SmtUtils]: Spent 223.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-08-21 17:15:17,521 WARN L193 SmtUtils]: Spent 207.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-08-21 17:15:17,781 WARN L193 SmtUtils]: Spent 210.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-08-21 17:15:18,023 WARN L193 SmtUtils]: Spent 213.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-08-21 17:15:18,784 WARN L193 SmtUtils]: Spent 215.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-08-21 17:15:19,038 WARN L193 SmtUtils]: Spent 216.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-08-21 17:15:19,593 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-21 17:15:19,593 INFO L93 Difference]: Finished difference Result 1001 states and 1242 transitions. [2020-08-21 17:15:19,595 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2020-08-21 17:15:19,595 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 92 [2020-08-21 17:15:19,595 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-21 17:15:19,600 INFO L225 Difference]: With dead ends: 1001 [2020-08-21 17:15:19,600 INFO L226 Difference]: Without dead ends: 735 [2020-08-21 17:15:19,602 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 68 GetRequests, 34 SyntacticMatches, 0 SemanticMatches, 34 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 319 ImplicationChecksByTransitivity, 2.6s TimeCoverageRelationStatistics Valid=296, Invalid=964, Unknown=0, NotChecked=0, Total=1260 [2020-08-21 17:15:19,603 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 735 states. [2020-08-21 17:15:19,726 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 735 to 616. [2020-08-21 17:15:19,726 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 616 states. [2020-08-21 17:15:19,730 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 616 states to 616 states and 712 transitions. [2020-08-21 17:15:19,732 INFO L78 Accepts]: Start accepts. Automaton has 616 states and 712 transitions. Word has length 92 [2020-08-21 17:15:19,734 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-21 17:15:19,734 INFO L479 AbstractCegarLoop]: Abstraction has 616 states and 712 transitions. [2020-08-21 17:15:19,734 INFO L480 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-08-21 17:15:19,734 INFO L276 IsEmpty]: Start isEmpty. Operand 616 states and 712 transitions. [2020-08-21 17:15:19,738 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 137 [2020-08-21 17:15:19,738 INFO L414 BasicCegarLoop]: Found error trace [2020-08-21 17:15:19,739 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-21 17:15:19,739 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-08-21 17:15:19,739 INFO L427 AbstractCegarLoop]: === Iteration 10 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-21 17:15:19,740 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-21 17:15:19,740 INFO L82 PathProgramCache]: Analyzing trace with hash 1563029790, now seen corresponding path program 1 times [2020-08-21 17:15:19,740 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-21 17:15:19,740 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [789849510] [2020-08-21 17:15:19,740 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-21 17:15:19,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:15:20,038 WARN L193 SmtUtils]: Spent 193.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-08-21 17:15:20,039 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-21 17:15:20,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:15:20,064 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-08-21 17:15:20,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:15:20,066 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-08-21 17:15:20,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:15:20,067 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-08-21 17:15:20,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:15:20,084 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-08-21 17:15:20,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:15:20,096 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-08-21 17:15:20,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:15:20,109 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2020-08-21 17:15:20,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:15:20,127 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2020-08-21 17:15:20,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:15:20,148 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-21 17:15:20,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:15:20,150 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-21 17:15:20,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:15:20,163 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 17:15:20,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:15:20,168 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-21 17:15:20,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:15:20,170 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-08-21 17:15:20,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:15:20,171 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-08-21 17:15:20,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:15:20,174 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2020-08-21 17:15:20,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:15:20,178 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-08-21 17:15:20,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:15:20,182 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2020-08-21 17:15:20,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:15:20,262 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-21 17:15:20,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:15:20,327 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2020-08-21 17:15:20,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:15:20,331 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2020-08-21 17:15:20,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:15:20,333 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-21 17:15:20,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:15:20,335 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2020-08-21 17:15:20,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:15:20,338 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2020-08-21 17:15:20,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:15:20,382 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 22 proven. 6 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2020-08-21 17:15:20,382 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [789849510] [2020-08-21 17:15:20,383 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-21 17:15:20,383 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16] total 16 [2020-08-21 17:15:20,383 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [35077429] [2020-08-21 17:15:20,384 INFO L459 AbstractCegarLoop]: Interpolant automaton has 16 states [2020-08-21 17:15:20,385 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-21 17:15:20,385 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2020-08-21 17:15:20,386 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=202, Unknown=0, NotChecked=0, Total=240 [2020-08-21 17:15:20,386 INFO L87 Difference]: Start difference. First operand 616 states and 712 transitions. Second operand 16 states. [2020-08-21 17:15:21,084 WARN L193 SmtUtils]: Spent 229.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-08-21 17:15:21,427 WARN L193 SmtUtils]: Spent 224.00 ms on a formula simplification that was a NOOP. DAG size: 197 [2020-08-21 17:15:21,696 WARN L193 SmtUtils]: Spent 217.00 ms on a formula simplification that was a NOOP. DAG size: 196 [2020-08-21 17:15:21,944 WARN L193 SmtUtils]: Spent 222.00 ms on a formula simplification that was a NOOP. DAG size: 196 [2020-08-21 17:15:22,604 WARN L193 SmtUtils]: Spent 217.00 ms on a formula simplification that was a NOOP. DAG size: 197 [2020-08-21 17:15:22,880 WARN L193 SmtUtils]: Spent 219.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-08-21 17:15:23,330 WARN L193 SmtUtils]: Spent 264.00 ms on a formula simplification that was a NOOP. DAG size: 206 [2020-08-21 17:15:23,907 WARN L193 SmtUtils]: Spent 202.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-08-21 17:15:24,256 WARN L193 SmtUtils]: Spent 239.00 ms on a formula simplification that was a NOOP. DAG size: 202 [2020-08-21 17:15:25,478 WARN L193 SmtUtils]: Spent 465.00 ms on a formula simplification. DAG size of input: 198 DAG size of output: 191 [2020-08-21 17:15:25,773 WARN L193 SmtUtils]: Spent 241.00 ms on a formula simplification that was a NOOP. DAG size: 198 [2020-08-21 17:15:26,274 WARN L193 SmtUtils]: Spent 445.00 ms on a formula simplification. DAG size of input: 195 DAG size of output: 193 [2020-08-21 17:15:26,585 WARN L193 SmtUtils]: Spent 226.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-08-21 17:15:27,297 WARN L193 SmtUtils]: Spent 428.00 ms on a formula simplification. DAG size of input: 200 DAG size of output: 194 [2020-08-21 17:15:28,052 WARN L193 SmtUtils]: Spent 435.00 ms on a formula simplification. DAG size of input: 197 DAG size of output: 195 [2020-08-21 17:15:28,342 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-21 17:15:28,343 INFO L93 Difference]: Finished difference Result 973 states and 1146 transitions. [2020-08-21 17:15:28,343 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2020-08-21 17:15:28,343 INFO L78 Accepts]: Start accepts. Automaton has 16 states. Word has length 136 [2020-08-21 17:15:28,344 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-21 17:15:28,344 INFO L225 Difference]: With dead ends: 973 [2020-08-21 17:15:28,344 INFO L226 Difference]: Without dead ends: 0 [2020-08-21 17:15:28,348 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 101 GetRequests, 56 SyntacticMatches, 0 SemanticMatches, 45 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 460 ImplicationChecksByTransitivity, 5.3s TimeCoverageRelationStatistics Valid=463, Invalid=1699, Unknown=0, NotChecked=0, Total=2162 [2020-08-21 17:15:28,348 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-08-21 17:15:28,348 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-08-21 17:15:28,348 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-08-21 17:15:28,349 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-08-21 17:15:28,349 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 136 [2020-08-21 17:15:28,349 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-21 17:15:28,349 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-08-21 17:15:28,349 INFO L480 AbstractCegarLoop]: Interpolant automaton has 16 states. [2020-08-21 17:15:28,350 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-08-21 17:15:28,350 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-08-21 17:15:28,350 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-08-21 17:15:28,352 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-08-21 17:15:29,269 WARN L193 SmtUtils]: Spent 613.00 ms on a formula simplification. DAG size of input: 256 DAG size of output: 233 [2020-08-21 17:15:30,387 WARN L193 SmtUtils]: Spent 433.00 ms on a formula simplification. DAG size of input: 259 DAG size of output: 237 [2020-08-21 17:15:31,924 WARN L193 SmtUtils]: Spent 240.00 ms on a formula simplification. DAG size of input: 241 DAG size of output: 224 [2020-08-21 17:15:32,125 WARN L193 SmtUtils]: Spent 199.00 ms on a formula simplification. DAG size of input: 242 DAG size of output: 224 [2020-08-21 17:15:32,364 WARN L193 SmtUtils]: Spent 217.00 ms on a formula simplification. DAG size of input: 259 DAG size of output: 237 [2020-08-21 17:15:32,981 WARN L193 SmtUtils]: Spent 612.00 ms on a formula simplification. DAG size of input: 164 DAG size of output: 25 [2020-08-21 17:15:33,225 WARN L193 SmtUtils]: Spent 239.00 ms on a formula simplification. DAG size of input: 60 DAG size of output: 34 [2020-08-21 17:15:33,403 WARN L193 SmtUtils]: Spent 175.00 ms on a formula simplification. DAG size of input: 153 DAG size of output: 1 [2020-08-21 17:15:33,574 WARN L193 SmtUtils]: Spent 168.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 25 [2020-08-21 17:15:34,055 WARN L193 SmtUtils]: Spent 477.00 ms on a formula simplification. DAG size of input: 181 DAG size of output: 32 [2020-08-21 17:15:34,201 WARN L193 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 158 DAG size of output: 1 [2020-08-21 17:15:34,384 WARN L193 SmtUtils]: Spent 164.00 ms on a formula simplification. DAG size of input: 153 DAG size of output: 1 [2020-08-21 17:15:34,722 WARN L193 SmtUtils]: Spent 260.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 37 [2020-08-21 17:15:35,102 WARN L193 SmtUtils]: Spent 376.00 ms on a formula simplification. DAG size of input: 160 DAG size of output: 24 [2020-08-21 17:15:35,247 WARN L193 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 160 DAG size of output: 1 [2020-08-21 17:15:36,052 WARN L193 SmtUtils]: Spent 799.00 ms on a formula simplification. DAG size of input: 175 DAG size of output: 28 [2020-08-21 17:15:36,228 WARN L193 SmtUtils]: Spent 174.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 27 [2020-08-21 17:15:36,791 WARN L193 SmtUtils]: Spent 559.00 ms on a formula simplification. DAG size of input: 170 DAG size of output: 28 [2020-08-21 17:15:36,987 WARN L193 SmtUtils]: Spent 194.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-08-21 17:15:37,164 WARN L193 SmtUtils]: Spent 175.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 27 [2020-08-21 17:15:37,697 WARN L193 SmtUtils]: Spent 530.00 ms on a formula simplification. DAG size of input: 185 DAG size of output: 32 [2020-08-21 17:15:38,524 WARN L193 SmtUtils]: Spent 822.00 ms on a formula simplification. DAG size of input: 182 DAG size of output: 34 [2020-08-21 17:15:38,664 WARN L193 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 160 DAG size of output: 1 [2020-08-21 17:15:38,832 WARN L193 SmtUtils]: Spent 155.00 ms on a formula simplification. DAG size of input: 177 DAG size of output: 1 [2020-08-21 17:15:39,633 WARN L193 SmtUtils]: Spent 796.00 ms on a formula simplification. DAG size of input: 175 DAG size of output: 29 [2020-08-21 17:15:39,793 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification. DAG size of input: 147 DAG size of output: 15 [2020-08-21 17:15:40,573 WARN L193 SmtUtils]: Spent 774.00 ms on a formula simplification. DAG size of input: 166 DAG size of output: 27 [2020-08-21 17:15:41,402 WARN L193 SmtUtils]: Spent 824.00 ms on a formula simplification. DAG size of input: 175 DAG size of output: 27 [2020-08-21 17:15:41,691 WARN L193 SmtUtils]: Spent 286.00 ms on a formula simplification. DAG size of input: 163 DAG size of output: 14 [2020-08-21 17:15:42,269 WARN L193 SmtUtils]: Spent 575.00 ms on a formula simplification. DAG size of input: 168 DAG size of output: 25 [2020-08-21 17:15:42,450 WARN L193 SmtUtils]: Spent 177.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 17 [2020-08-21 17:15:42,615 WARN L193 SmtUtils]: Spent 162.00 ms on a formula simplification. DAG size of input: 148 DAG size of output: 25 [2020-08-21 17:15:42,906 WARN L193 SmtUtils]: Spent 287.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 41 [2020-08-21 17:15:43,069 WARN L193 SmtUtils]: Spent 160.00 ms on a formula simplification. DAG size of input: 148 DAG size of output: 25 [2020-08-21 17:15:43,298 WARN L193 SmtUtils]: Spent 226.00 ms on a formula simplification. DAG size of input: 167 DAG size of output: 25 [2020-08-21 17:15:43,435 WARN L193 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 160 DAG size of output: 1 [2020-08-21 17:15:43,590 WARN L193 SmtUtils]: Spent 153.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 15 [2020-08-21 17:15:43,776 WARN L193 SmtUtils]: Spent 157.00 ms on a formula simplification. DAG size of input: 153 DAG size of output: 1 [2020-08-21 17:15:43,944 WARN L193 SmtUtils]: Spent 166.00 ms on a formula simplification. DAG size of input: 148 DAG size of output: 25 [2020-08-21 17:15:44,247 WARN L193 SmtUtils]: Spent 301.00 ms on a formula simplification. DAG size of input: 166 DAG size of output: 31 [2020-08-21 17:15:44,501 WARN L193 SmtUtils]: Spent 251.00 ms on a formula simplification. DAG size of input: 166 DAG size of output: 31 [2020-08-21 17:15:44,673 WARN L193 SmtUtils]: Spent 162.00 ms on a formula simplification. DAG size of input: 148 DAG size of output: 25 [2020-08-21 17:15:44,837 WARN L193 SmtUtils]: Spent 162.00 ms on a formula simplification. DAG size of input: 148 DAG size of output: 25 [2020-08-21 17:15:45,357 WARN L193 SmtUtils]: Spent 516.00 ms on a formula simplification. DAG size of input: 185 DAG size of output: 32 [2020-08-21 17:15:45,362 INFO L268 CegarLoopResult]: For program point L186(lines 163 187) no Hoare annotation was computed. [2020-08-21 17:15:45,362 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeFINAL(lines 139 194) no Hoare annotation was computed. [2020-08-21 17:15:45,362 INFO L268 CegarLoopResult]: For program point L170(lines 170 174) no Hoare annotation was computed. [2020-08-21 17:15:45,363 INFO L268 CegarLoopResult]: For program point L170-1(lines 170 174) no Hoare annotation was computed. [2020-08-21 17:15:45,363 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeEXIT(lines 139 194) no Hoare annotation was computed. [2020-08-21 17:15:45,363 INFO L268 CegarLoopResult]: For program point L165(line 165) no Hoare annotation was computed. [2020-08-21 17:15:45,363 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeENTRY(lines 139 194) no Hoare annotation was computed. [2020-08-21 17:15:45,363 INFO L268 CegarLoopResult]: For program point L164-2(lines 164 185) no Hoare annotation was computed. [2020-08-21 17:15:45,364 INFO L268 CegarLoopResult]: For program point L222(line 222) no Hoare annotation was computed. [2020-08-21 17:15:45,364 INFO L268 CegarLoopResult]: For program point L221-2(lines 221 246) no Hoare annotation was computed. [2020-08-21 17:15:45,364 INFO L268 CegarLoopResult]: For program point L247(lines 220 248) no Hoare annotation was computed. [2020-08-21 17:15:45,364 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetFINAL(lines 195 254) no Hoare annotation was computed. [2020-08-21 17:15:45,364 INFO L268 CegarLoopResult]: For program point L240(line 240) no Hoare annotation was computed. [2020-08-21 17:15:45,364 INFO L268 CegarLoopResult]: For program point L240-1(line 240) no Hoare annotation was computed. [2020-08-21 17:15:45,364 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetENTRY(lines 195 254) no Hoare annotation was computed. [2020-08-21 17:15:45,365 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetEXIT(lines 195 254) no Hoare annotation was computed. [2020-08-21 17:15:45,365 INFO L268 CegarLoopResult]: For program point L227(lines 227 231) no Hoare annotation was computed. [2020-08-21 17:15:45,365 INFO L268 CegarLoopResult]: For program point L227-1(lines 227 231) no Hoare annotation was computed. [2020-08-21 17:15:45,365 INFO L271 CegarLoopResult]: At program point select_helpersFINAL(lines 61 67) the Hoare annotation is: true [2020-08-21 17:15:45,365 INFO L268 CegarLoopResult]: For program point select_helpersEXIT(lines 61 67) no Hoare annotation was computed. [2020-08-21 17:15:45,365 INFO L268 CegarLoopResult]: For program point valid_productEXIT(lines 68 76) no Hoare annotation was computed. [2020-08-21 17:15:45,365 INFO L271 CegarLoopResult]: At program point valid_productENTRY(lines 68 76) the Hoare annotation is: true [2020-08-21 17:15:45,365 INFO L268 CegarLoopResult]: For program point valid_productFINAL(lines 68 76) no Hoare annotation was computed. [2020-08-21 17:15:45,365 INFO L264 CegarLoopResult]: At program point __utac_acc__Specification5_spec__1ENTRY(lines 794 801) the Hoare annotation is: (or (not (= ~waterLevel~0 1)) (not (= ~pumpRunning~0 0)) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|) (not (= 1 ~systemActive~0))) [2020-08-21 17:15:45,366 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification5_spec__1EXIT(lines 794 801) no Hoare annotation was computed. [2020-08-21 17:15:45,366 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification5_spec__1FINAL(lines 794 801) no Hoare annotation was computed. [2020-08-21 17:15:45,366 INFO L264 CegarLoopResult]: At program point __utac_acc__Specification5_spec__2ENTRY(lines 802 811) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~pumpRunning~0))) (.cse4 (not (= ~pumpRunning~0 0))) (.cse1 (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|)) (.cse2 (not (= 1 ~systemActive~0))) (.cse3 (not (= 2 ~waterLevel~0)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse0 (= |old(~switchedOnBeforeTS~0)| 0) .cse1 .cse2) (or (not (= ~waterLevel~0 1)) .cse4 .cse1 .cse2) (or .cse4 .cse1 .cse2 .cse3))) [2020-08-21 17:15:45,366 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification5_spec__2EXIT(lines 802 811) no Hoare annotation was computed. [2020-08-21 17:15:45,366 INFO L268 CegarLoopResult]: For program point L807(line 807) no Hoare annotation was computed. [2020-08-21 17:15:45,366 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification5_spec__2FINAL(lines 802 811) no Hoare annotation was computed. [2020-08-21 17:15:45,366 INFO L264 CegarLoopResult]: At program point L827(line 827) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~pumpRunning~0))) (.cse3 (not (= ~pumpRunning~0 0))) (.cse1 (not (= 1 ~systemActive~0))) (.cse2 (not (= 2 ~waterLevel~0)))) (and (or .cse0 .cse1 .cse2) (or .cse0 .cse1 (= ~switchedOnBeforeTS~0 0)) (or (not (= ~waterLevel~0 1)) .cse3 .cse1) (or .cse3 .cse1 .cse2))) [2020-08-21 17:15:45,367 INFO L268 CegarLoopResult]: For program point L825(lines 825 831) no Hoare annotation was computed. [2020-08-21 17:15:45,367 INFO L268 CegarLoopResult]: For program point L824(lines 824 834) no Hoare annotation was computed. [2020-08-21 17:15:45,367 INFO L264 CegarLoopResult]: At program point L822(line 822) the Hoare annotation is: (let ((.cse0 (not (= 1 ~systemActive~0))) (.cse1 (not (= 2 ~waterLevel~0)))) (and (or (not (<= 1 ~pumpRunning~0)) .cse0 .cse1) (or (not (= ~pumpRunning~0 0)) .cse0 .cse1))) [2020-08-21 17:15:45,367 INFO L268 CegarLoopResult]: For program point L822-1(line 822) no Hoare annotation was computed. [2020-08-21 17:15:45,367 INFO L268 CegarLoopResult]: For program point L820(lines 820 837) no Hoare annotation was computed. [2020-08-21 17:15:45,367 INFO L268 CegarLoopResult]: For program point L820-1(lines 812 840) no Hoare annotation was computed. [2020-08-21 17:15:45,368 INFO L271 CegarLoopResult]: At program point L818(line 818) the Hoare annotation is: true [2020-08-21 17:15:45,368 INFO L268 CegarLoopResult]: For program point L818-1(line 818) no Hoare annotation was computed. [2020-08-21 17:15:45,368 INFO L271 CegarLoopResult]: At program point __utac_acc__Specification5_spec__3ENTRY(lines 812 840) the Hoare annotation is: true [2020-08-21 17:15:45,368 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification5_spec__3EXIT(lines 812 840) no Hoare annotation was computed. [2020-08-21 17:15:45,368 INFO L264 CegarLoopResult]: At program point L927(line 927) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~pumpRunning~0)| 0)) (and (= main_~tmp~7 ~systemActive~0) (= |old(~systemActive~0)| ~systemActive~0) (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0))) [2020-08-21 17:15:45,368 INFO L264 CegarLoopResult]: At program point L927-1(line 927) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~pumpRunning~0)| 0)) (and (= main_~tmp~7 ~systemActive~0) (= |old(~systemActive~0)| ~systemActive~0) (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0))) [2020-08-21 17:15:45,368 INFO L264 CegarLoopResult]: At program point mainENTRY(lines 915 937) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~pumpRunning~0)| 0)) (and (= |old(~systemActive~0)| ~systemActive~0) (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0))) [2020-08-21 17:15:45,369 INFO L268 CegarLoopResult]: For program point L925(lines 925 932) no Hoare annotation was computed. [2020-08-21 17:15:45,369 INFO L268 CegarLoopResult]: For program point L925-1(lines 925 932) no Hoare annotation was computed. [2020-08-21 17:15:45,369 INFO L268 CegarLoopResult]: For program point L923(line 923) no Hoare annotation was computed. [2020-08-21 17:15:45,369 INFO L264 CegarLoopResult]: At program point L922(line 922) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~pumpRunning~0)| 0)) (and (= |old(~systemActive~0)| ~systemActive~0) (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0))) [2020-08-21 17:15:45,369 INFO L264 CegarLoopResult]: At program point L921(line 921) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~pumpRunning~0)| 0)) (and (= |old(~systemActive~0)| ~systemActive~0) (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0))) [2020-08-21 17:15:45,369 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 915 937) no Hoare annotation was computed. [2020-08-21 17:15:45,369 INFO L264 CegarLoopResult]: At program point L921-1(line 921) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~pumpRunning~0)| 0)) (and (= |old(~systemActive~0)| ~systemActive~0) (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0))) [2020-08-21 17:15:45,370 INFO L268 CegarLoopResult]: For program point mainFINAL(lines 915 937) no Hoare annotation was computed. [2020-08-21 17:15:45,370 INFO L268 CegarLoopResult]: For program point Specification2EXIT(lines 873 896) no Hoare annotation was computed. [2020-08-21 17:15:45,370 INFO L268 CegarLoopResult]: For program point Specification2ENTRY(lines 873 896) no Hoare annotation was computed. [2020-08-21 17:15:45,370 INFO L268 CegarLoopResult]: For program point Specification2FINAL(lines 873 896) no Hoare annotation was computed. [2020-08-21 17:15:45,370 INFO L268 CegarLoopResult]: For program point L891(line 891) no Hoare annotation was computed. [2020-08-21 17:15:45,370 INFO L268 CegarLoopResult]: For program point L890(line 890) no Hoare annotation was computed. [2020-08-21 17:15:45,370 INFO L268 CegarLoopResult]: For program point L889(line 889) no Hoare annotation was computed. [2020-08-21 17:15:45,370 INFO L268 CegarLoopResult]: For program point L888(line 888) no Hoare annotation was computed. [2020-08-21 17:15:45,371 INFO L268 CegarLoopResult]: For program point L887(line 887) no Hoare annotation was computed. [2020-08-21 17:15:45,371 INFO L268 CegarLoopResult]: For program point L886(line 886) no Hoare annotation was computed. [2020-08-21 17:15:45,371 INFO L268 CegarLoopResult]: For program point L885(line 885) no Hoare annotation was computed. [2020-08-21 17:15:45,371 INFO L268 CegarLoopResult]: For program point L884(line 884) no Hoare annotation was computed. [2020-08-21 17:15:45,371 INFO L268 CegarLoopResult]: For program point L883(line 883) no Hoare annotation was computed. [2020-08-21 17:15:45,371 INFO L268 CegarLoopResult]: For program point L882(line 882) no Hoare annotation was computed. [2020-08-21 17:15:45,371 INFO L268 CegarLoopResult]: For program point L881(line 881) no Hoare annotation was computed. [2020-08-21 17:15:45,371 INFO L268 CegarLoopResult]: For program point L880(line 880) no Hoare annotation was computed. [2020-08-21 17:15:45,371 INFO L268 CegarLoopResult]: For program point L879(line 879) no Hoare annotation was computed. [2020-08-21 17:15:45,372 INFO L268 CegarLoopResult]: For program point L878(line 878) no Hoare annotation was computed. [2020-08-21 17:15:45,372 INFO L268 CegarLoopResult]: For program point isPumpRunningEXIT(lines 720 728) no Hoare annotation was computed. [2020-08-21 17:15:45,372 INFO L271 CegarLoopResult]: At program point isPumpRunningENTRY(lines 720 728) the Hoare annotation is: true [2020-08-21 17:15:45,372 INFO L268 CegarLoopResult]: For program point isPumpRunningFINAL(lines 720 728) no Hoare annotation was computed. [2020-08-21 17:15:45,372 INFO L268 CegarLoopResult]: For program point L736(lines 736 744) no Hoare annotation was computed. [2020-08-21 17:15:45,372 INFO L268 CegarLoopResult]: For program point L736-2(lines 736 744) no Hoare annotation was computed. [2020-08-21 17:15:45,372 INFO L268 CegarLoopResult]: For program point L759(line 759) no Hoare annotation was computed. [2020-08-21 17:15:45,372 INFO L268 CegarLoopResult]: For program point L759-1(line 759) no Hoare annotation was computed. [2020-08-21 17:15:45,372 INFO L268 CegarLoopResult]: For program point printPumpFINAL(lines 729 764) no Hoare annotation was computed. [2020-08-21 17:15:45,373 INFO L268 CegarLoopResult]: For program point L748(lines 748 756) no Hoare annotation was computed. [2020-08-21 17:15:45,373 INFO L268 CegarLoopResult]: For program point L748-2(lines 748 756) no Hoare annotation was computed. [2020-08-21 17:15:45,373 INFO L268 CegarLoopResult]: For program point printPumpENTRY(lines 729 764) no Hoare annotation was computed. [2020-08-21 17:15:45,373 INFO L268 CegarLoopResult]: For program point printPumpEXIT(lines 729 764) no Hoare annotation was computed. [2020-08-21 17:15:45,373 INFO L268 CegarLoopResult]: For program point select_featuresEXIT(lines 54 60) no Hoare annotation was computed. [2020-08-21 17:15:45,373 INFO L271 CegarLoopResult]: At program point select_featuresFINAL(lines 54 60) the Hoare annotation is: true [2020-08-21 17:15:45,373 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setENTRY(lines 93 138) no Hoare annotation was computed. [2020-08-21 17:15:45,373 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setEXIT(lines 93 138) no Hoare annotation was computed. [2020-08-21 17:15:45,374 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setFINAL(lines 93 138) no Hoare annotation was computed. [2020-08-21 17:15:45,374 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeFINAL(lines 406 451) no Hoare annotation was computed. [2020-08-21 17:15:45,374 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeENTRY(lines 406 451) no Hoare annotation was computed. [2020-08-21 17:15:45,374 INFO L268 CegarLoopResult]: For program point L426(lines 426 433) no Hoare annotation was computed. [2020-08-21 17:15:45,374 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeEXIT(lines 406 451) no Hoare annotation was computed. [2020-08-21 17:15:45,374 INFO L268 CegarLoopResult]: For program point L420(lines 420 440) no Hoare annotation was computed. [2020-08-21 17:15:45,374 INFO L268 CegarLoopResult]: For program point L420-1(lines 420 440) no Hoare annotation was computed. [2020-08-21 17:15:45,374 INFO L264 CegarLoopResult]: At program point runTestENTRY(lines 904 914) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~pumpRunning~0)| 0)) (and (= |old(~systemActive~0)| ~systemActive~0) (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0))) [2020-08-21 17:15:45,375 INFO L264 CegarLoopResult]: At program point L909(line 909) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= 1 ~systemActive~0) (= ~pumpRunning~0 0)) (not (= |old(~pumpRunning~0)| 0))) [2020-08-21 17:15:45,375 INFO L268 CegarLoopResult]: For program point runTestEXIT(lines 904 914) no Hoare annotation was computed. [2020-08-21 17:15:45,375 INFO L268 CegarLoopResult]: For program point runTestFINAL(lines 904 914) no Hoare annotation was computed. [2020-08-21 17:15:45,375 INFO L268 CegarLoopResult]: For program point isMethaneAlarmENTRY(lines 709 719) no Hoare annotation was computed. [2020-08-21 17:15:45,375 INFO L268 CegarLoopResult]: For program point isMethaneAlarmEXIT(lines 709 719) no Hoare annotation was computed. [2020-08-21 17:15:45,375 INFO L268 CegarLoopResult]: For program point L714(line 714) no Hoare annotation was computed. [2020-08-21 17:15:45,375 INFO L268 CegarLoopResult]: For program point L714-1(line 714) no Hoare annotation was computed. [2020-08-21 17:15:45,375 INFO L268 CegarLoopResult]: For program point isMethaneAlarmFINAL(lines 709 719) no Hoare annotation was computed. [2020-08-21 17:15:45,375 INFO L268 CegarLoopResult]: For program point deactivatePumpENTRY(lines 701 708) no Hoare annotation was computed. [2020-08-21 17:15:45,376 INFO L268 CegarLoopResult]: For program point deactivatePumpEXIT(lines 701 708) no Hoare annotation was computed. [2020-08-21 17:15:45,376 INFO L268 CegarLoopResult]: For program point deactivatePumpFINAL(lines 701 708) no Hoare annotation was computed. [2020-08-21 17:15:45,376 INFO L268 CegarLoopResult]: For program point L543(lines 543 549) no Hoare annotation was computed. [2020-08-21 17:15:45,376 INFO L268 CegarLoopResult]: For program point isHighWaterSensorDryEXIT(lines 539 552) no Hoare annotation was computed. [2020-08-21 17:15:45,376 INFO L271 CegarLoopResult]: At program point isHighWaterSensorDryENTRY(lines 539 552) the Hoare annotation is: true [2020-08-21 17:15:45,376 INFO L268 CegarLoopResult]: For program point isHighWaterSensorDryFINAL(lines 539 552) no Hoare annotation was computed. [2020-08-21 17:15:45,376 INFO L268 CegarLoopResult]: For program point L674-1(line 674) no Hoare annotation was computed. [2020-08-21 17:15:45,376 INFO L268 CegarLoopResult]: For program point L672(lines 672 689) no Hoare annotation was computed. [2020-08-21 17:15:45,376 INFO L268 CegarLoopResult]: For program point processEnvironmentEXIT(lines 668 692) no Hoare annotation was computed. [2020-08-21 17:15:45,377 INFO L264 CegarLoopResult]: At program point processEnvironmentENTRY(lines 668 692) the Hoare annotation is: (let ((.cse2 (not (= |old(~pumpRunning~0)| 0))) (.cse0 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse1 (not (= 1 ~systemActive~0)))) (and (or .cse0 .cse1 .cse2 (not (= 2 ~waterLevel~0))) (or (not (= ~waterLevel~0 1)) .cse0 .cse1 .cse2) (or (not (<= 1 |old(~pumpRunning~0)|)) .cse0 .cse1 (= ~switchedOnBeforeTS~0 0)))) [2020-08-21 17:15:45,377 INFO L264 CegarLoopResult]: At program point L687(line 687) the Hoare annotation is: (let ((.cse1 (not (= |old(~pumpRunning~0)| 0))) (.cse0 (not (= 1 ~systemActive~0)))) (and (or (not (= ~waterLevel~0 1)) .cse0 .cse1) (or .cse0 .cse1 (not (= 2 ~waterLevel~0))) (or (not (<= 1 |old(~pumpRunning~0)|)) (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse0 (= ~switchedOnBeforeTS~0 0)))) [2020-08-21 17:15:45,377 INFO L268 CegarLoopResult]: For program point L687-1(lines 668 692) no Hoare annotation was computed. [2020-08-21 17:15:45,377 INFO L264 CegarLoopResult]: At program point L682(line 682) the Hoare annotation is: (let ((.cse1 (and (= 0 processEnvironment_~tmp~4) (= ~pumpRunning~0 |old(~pumpRunning~0)|))) (.cse0 (not (= 1 ~systemActive~0))) (.cse2 (not (= |old(~pumpRunning~0)| 0)))) (and (or (not (<= 1 |old(~pumpRunning~0)|)) .cse0 (= ~switchedOnBeforeTS~0 0)) (or .cse1 .cse0 .cse2 (not (= 2 ~waterLevel~0))) (or (not (= ~waterLevel~0 1)) .cse1 .cse0 .cse2))) [2020-08-21 17:15:45,377 INFO L264 CegarLoopResult]: At program point L678(line 678) the Hoare annotation is: (let ((.cse1 (not (= |old(~pumpRunning~0)| 0))) (.cse0 (not (= 1 ~systemActive~0)))) (and (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse0 .cse1 (not (= 2 ~waterLevel~0))) (or (not (= ~waterLevel~0 1)) .cse0 .cse1) (or (not (<= 1 |old(~pumpRunning~0)|)) .cse0 (= ~switchedOnBeforeTS~0 0)))) [2020-08-21 17:15:45,377 INFO L268 CegarLoopResult]: For program point L676(lines 676 684) no Hoare annotation was computed. [2020-08-21 17:15:45,378 INFO L264 CegarLoopResult]: At program point L674(line 674) the Hoare annotation is: (let ((.cse0 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse2 (not (= |old(~pumpRunning~0)| 0))) (.cse1 (not (= 1 ~systemActive~0)))) (and (or .cse0 .cse1 .cse2 (not (= 2 ~waterLevel~0))) (or (not (= ~waterLevel~0 1)) .cse0 .cse1 .cse2) (or (not (<= 1 |old(~pumpRunning~0)|)) .cse1 (= ~switchedOnBeforeTS~0 0)))) [2020-08-21 17:15:45,378 INFO L268 CegarLoopResult]: For program point processEnvironment__wrappee__baseEXIT(lines 660 666) no Hoare annotation was computed. [2020-08-21 17:15:45,378 INFO L271 CegarLoopResult]: At program point processEnvironment__wrappee__baseFINAL(lines 660 666) the Hoare annotation is: true [2020-08-21 17:15:45,378 INFO L264 CegarLoopResult]: At program point testENTRY(lines 557 622) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) (not (= |old(~pumpRunning~0)| 0))) [2020-08-21 17:15:45,378 INFO L268 CegarLoopResult]: For program point L605(lines 605 609) no Hoare annotation was computed. [2020-08-21 17:15:45,379 INFO L264 CegarLoopResult]: At program point L605-2(lines 597 610) the Hoare annotation is: (let ((.cse0 (= 2 ~waterLevel~0)) (.cse4 (<= 1 ~pumpRunning~0)) (.cse1 (= 1 ~systemActive~0)) (.cse2 (= ~pumpRunning~0 0)) (.cse3 (= test_~splverifierCounter~0 0))) (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (and .cse0 .cse1 .cse2 .cse3) (not (= |old(~pumpRunning~0)| 0)) (and .cse4 .cse0 .cse1 .cse3) (and .cse4 .cse1 (not (= ~switchedOnBeforeTS~0 0)) .cse3) (and (= |old(~waterLevel~0)| ~waterLevel~0) .cse1 .cse2 .cse3))) [2020-08-21 17:15:45,379 INFO L268 CegarLoopResult]: For program point L568(lines 567 614) no Hoare annotation was computed. [2020-08-21 17:15:45,379 INFO L264 CegarLoopResult]: At program point L599(line 599) the Hoare annotation is: (let ((.cse0 (= 2 ~waterLevel~0)) (.cse4 (<= 1 ~pumpRunning~0)) (.cse1 (= 1 ~systemActive~0)) (.cse2 (= ~pumpRunning~0 0)) (.cse3 (= test_~splverifierCounter~0 0))) (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (and .cse0 .cse1 .cse2 .cse3) (not (= |old(~pumpRunning~0)| 0)) (and .cse4 .cse0 .cse1 .cse3) (and .cse4 .cse1 (not (= ~switchedOnBeforeTS~0 0)) .cse3) (and (= |old(~waterLevel~0)| ~waterLevel~0) .cse1 .cse2 .cse3))) [2020-08-21 17:15:45,379 INFO L268 CegarLoopResult]: For program point testFINAL(lines 557 622) no Hoare annotation was computed. [2020-08-21 17:15:45,379 INFO L268 CegarLoopResult]: For program point L597(lines 597 610) no Hoare annotation was computed. [2020-08-21 17:15:45,379 INFO L264 CegarLoopResult]: At program point L589(line 589) the Hoare annotation is: (let ((.cse2 (= ~pumpRunning~0 0)) (.cse0 (= 2 ~waterLevel~0)) (.cse4 (<= 1 ~pumpRunning~0)) (.cse1 (= 1 ~systemActive~0)) (.cse3 (= test_~splverifierCounter~0 0))) (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (and .cse0 .cse1 .cse2 .cse3) (and (= ~waterLevel~0 1) .cse1 .cse2 .cse3) (not (= |old(~pumpRunning~0)| 0)) (and .cse4 .cse0 .cse1 .cse3) (and .cse4 .cse1 (not (= ~switchedOnBeforeTS~0 0)) .cse3))) [2020-08-21 17:15:45,379 INFO L268 CegarLoopResult]: For program point L587(lines 587 593) no Hoare annotation was computed. [2020-08-21 17:15:45,380 INFO L268 CegarLoopResult]: For program point L587-1(lines 587 593) no Hoare annotation was computed. [2020-08-21 17:15:45,380 INFO L264 CegarLoopResult]: At program point L612(lines 567 614) the Hoare annotation is: (let ((.cse2 (= ~pumpRunning~0 0)) (.cse0 (= 2 ~waterLevel~0)) (.cse4 (<= 1 ~pumpRunning~0)) (.cse1 (= 1 ~systemActive~0)) (.cse3 (= test_~splverifierCounter~0 0))) (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (and .cse0 .cse1 .cse2 .cse3) (and (= ~waterLevel~0 1) .cse1 .cse2 .cse3) (not (= |old(~pumpRunning~0)| 0)) (and .cse4 .cse0 .cse1 .cse3) (and .cse4 .cse1 (not (= ~switchedOnBeforeTS~0 0)) .cse3))) [2020-08-21 17:15:45,380 INFO L264 CegarLoopResult]: At program point L579(line 579) the Hoare annotation is: (let ((.cse2 (= ~pumpRunning~0 0)) (.cse0 (= 2 ~waterLevel~0)) (.cse4 (<= 1 ~pumpRunning~0)) (.cse1 (= 1 ~systemActive~0)) (.cse3 (= test_~splverifierCounter~0 0))) (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (and .cse0 .cse1 .cse2 .cse3) (and (= ~waterLevel~0 1) .cse1 .cse2 .cse3) (not (= |old(~pumpRunning~0)| 0)) (and .cse4 .cse0 .cse1 .cse3) (and .cse4 .cse1 (not (= ~switchedOnBeforeTS~0 0)) .cse3))) [2020-08-21 17:15:45,380 INFO L268 CegarLoopResult]: For program point L577(lines 577 583) no Hoare annotation was computed. [2020-08-21 17:15:45,380 INFO L268 CegarLoopResult]: For program point L577-1(lines 577 583) no Hoare annotation was computed. [2020-08-21 17:15:45,380 INFO L268 CegarLoopResult]: For program point L569(lines 569 573) no Hoare annotation was computed. [2020-08-21 17:15:45,380 INFO L264 CegarLoopResult]: At program point L615(lines 566 616) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~pumpRunning~0)| 0))) [2020-08-21 17:15:45,381 INFO L268 CegarLoopResult]: For program point testEXIT(lines 557 622) no Hoare annotation was computed. [2020-08-21 17:15:45,381 INFO L268 CegarLoopResult]: For program point L380(lines 380 387) no Hoare annotation was computed. [2020-08-21 17:15:45,381 INFO L268 CegarLoopResult]: For program point __utac__get_this_argENTRY(lines 360 405) no Hoare annotation was computed. [2020-08-21 17:15:45,381 INFO L268 CegarLoopResult]: For program point L374(lines 374 394) no Hoare annotation was computed. [2020-08-21 17:15:45,381 INFO L268 CegarLoopResult]: For program point L374-1(lines 374 394) no Hoare annotation was computed. [2020-08-21 17:15:45,381 INFO L268 CegarLoopResult]: For program point __utac__get_this_argEXIT(lines 360 405) no Hoare annotation was computed. [2020-08-21 17:15:45,381 INFO L268 CegarLoopResult]: For program point __utac__get_this_argFINAL(lines 360 405) no Hoare annotation was computed. [2020-08-21 17:15:45,382 INFO L268 CegarLoopResult]: For program point L515-2(lines 515 523) no Hoare annotation was computed. [2020-08-21 17:15:45,382 INFO L268 CegarLoopResult]: For program point printEnvironmentEXIT(lines 507 529) no Hoare annotation was computed. [2020-08-21 17:15:45,382 INFO L268 CegarLoopResult]: For program point printEnvironmentENTRY(lines 507 529) no Hoare annotation was computed. [2020-08-21 17:15:45,382 INFO L268 CegarLoopResult]: For program point printEnvironmentFINAL(lines 507 529) no Hoare annotation was computed. [2020-08-21 17:15:45,382 INFO L268 CegarLoopResult]: For program point L515(lines 515 523) no Hoare annotation was computed. [2020-08-21 17:15:45,382 INFO L268 CegarLoopResult]: For program point select_oneENTRY(lines 44 53) no Hoare annotation was computed. [2020-08-21 17:15:45,382 INFO L268 CegarLoopResult]: For program point select_oneFINAL(lines 44 53) no Hoare annotation was computed. [2020-08-21 17:15:45,382 INFO L268 CegarLoopResult]: For program point select_oneEXIT(lines 44 53) no Hoare annotation was computed. [2020-08-21 17:15:45,383 INFO L268 CegarLoopResult]: For program point L322-1(line 322) no Hoare annotation was computed. [2020-08-21 17:15:45,383 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtENTRY(lines 257 359) no Hoare annotation was computed. [2020-08-21 17:15:45,383 INFO L268 CegarLoopResult]: For program point L281(lines 281 285) no Hoare annotation was computed. [2020-08-21 17:15:45,383 INFO L268 CegarLoopResult]: For program point L345(lines 345 356) no Hoare annotation was computed. [2020-08-21 17:15:45,383 INFO L268 CegarLoopResult]: For program point L308(lines 308 312) no Hoare annotation was computed. [2020-08-21 17:15:45,383 INFO L268 CegarLoopResult]: For program point L306-2(lines 306 326) no Hoare annotation was computed. [2020-08-21 17:15:45,383 INFO L268 CegarLoopResult]: For program point L327(lines 305 328) no Hoare annotation was computed. [2020-08-21 17:15:45,383 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtFINAL(lines 257 359) no Hoare annotation was computed. [2020-08-21 17:15:45,383 INFO L268 CegarLoopResult]: For program point L286(lines 286 302) no Hoare annotation was computed. [2020-08-21 17:15:45,384 INFO L268 CegarLoopResult]: For program point L346(lines 346 353) no Hoare annotation was computed. [2020-08-21 17:15:45,384 INFO L268 CegarLoopResult]: For program point L307(lines 306 326) no Hoare annotation was computed. [2020-08-21 17:15:45,384 INFO L268 CegarLoopResult]: For program point L338(line 338) no Hoare annotation was computed. [2020-08-21 17:15:45,384 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtEXIT(lines 257 359) no Hoare annotation was computed. [2020-08-21 17:15:45,384 INFO L268 CegarLoopResult]: For program point L338-1(line 338) no Hoare annotation was computed. [2020-08-21 17:15:45,384 INFO L268 CegarLoopResult]: For program point L303(lines 303 344) no Hoare annotation was computed. [2020-08-21 17:15:45,384 INFO L268 CegarLoopResult]: For program point L322(line 322) no Hoare annotation was computed. [2020-08-21 17:15:45,384 INFO L268 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-08-21 17:15:45,385 INFO L264 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= |#t~string67.offset| |old(#t~string67.offset)|) (= |#t~string65.base| |old(#t~string65.base)|) (= |old(#length)| |#length|) (= |#t~string29.offset| |old(#t~string29.offset)|) (= |old(#valid)| |#valid|) (= |#t~string41.base| |old(#t~string41.base)|) (= |#t~string39.offset| |old(#t~string39.offset)|) (= |#t~string61.base| |old(#t~string61.base)|) (= |#t~string30.offset| |old(#t~string30.offset)|) (= |#t~string32.base| |old(#t~string32.base)|) (= |#t~string28.base| |old(#t~string28.base)|) (= |#t~string31.base| |old(#t~string31.base)|) (= |#t~string21.base| |old(#t~string21.base)|) (= |#t~string37.base| |old(#t~string37.base)|) (= ~head~0.base |old(~head~0.base)|) (= |#t~string55.base| |old(#t~string55.base)|) (= |#t~string37.offset| |old(#t~string37.offset)|) (= |#t~string24.offset| |old(#t~string24.offset)|) (= |#t~string39.base| |old(#t~string39.base)|) (= |#t~string19.offset| |old(#t~string19.offset)|) (= |#t~string65.offset| |old(#t~string65.offset)|) (= |#t~string67.base| |old(#t~string67.base)|) (= |#t~string29.base| |old(#t~string29.base)|) (= |#t~string21.offset| |old(#t~string21.offset)|) (= |#t~string53.base| |old(#t~string53.base)|) (= ~systemActive~0 |old(~systemActive~0)|) (= ~methaneLevelCritical~0 |old(~methaneLevelCritical~0)|) (= |#t~string63.base| |old(#t~string63.base)|) (= |#t~string24.base| |old(#t~string24.base)|) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|) (= |#t~string53.offset| |old(#t~string53.offset)|) (= |#t~string23.offset| |old(#t~string23.offset)|) (= ~head~0.offset |old(~head~0.offset)|) (= |#t~string33.base| |old(#t~string33.base)|) (= |#t~string20.base| |old(#t~string20.base)|) (= |#t~string22.offset| |old(#t~string22.offset)|) (= |#t~string28.offset| |old(#t~string28.offset)|) (= |#t~string19.base| |old(#t~string19.base)|) (= |#t~string57.offset| |old(#t~string57.offset)|) (= |#t~string43.offset| |old(#t~string43.offset)|) (= |#t~string57.base| |old(#t~string57.base)|) (= |#t~string61.offset| |old(#t~string61.offset)|) (= |#t~string22.base| |old(#t~string22.base)|) (= |#t~string23.base| |old(#t~string23.base)|) (= |#t~string45.base| |old(#t~string45.base)|) (= |#NULL.base| |old(#NULL.base)|) (= |#t~string45.offset| |old(#t~string45.offset)|) (= ~waterLevel~0 |old(~waterLevel~0)|) (= |#t~string63.offset| |old(#t~string63.offset)|) (= ~cleanupTimeShifts~0 |old(~cleanupTimeShifts~0)|) (= |#t~string43.base| |old(#t~string43.base)|) (= |#t~string41.offset| |old(#t~string41.offset)|) (= |#t~string31.offset| |old(#t~string31.offset)|) (= |#t~string33.offset| |old(#t~string33.offset)|) (= |#t~string59.base| |old(#t~string59.base)|) (= |#t~string30.base| |old(#t~string30.base)|) (= |#t~string20.offset| |old(#t~string20.offset)|) (= |#t~string55.offset| |old(#t~string55.offset)|) (= |#t~string32.offset| |old(#t~string32.offset)|) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |#t~string59.offset| |old(#t~string59.offset)|) (= |#NULL.offset| |old(#NULL.offset)|)) [2020-08-21 17:15:45,385 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-08-21 17:15:45,385 INFO L268 CegarLoopResult]: For program point activatePumpFINAL(lines 693 700) no Hoare annotation was computed. [2020-08-21 17:15:45,385 INFO L268 CegarLoopResult]: For program point activatePumpEXIT(lines 693 700) no Hoare annotation was computed. [2020-08-21 17:15:45,385 INFO L264 CegarLoopResult]: At program point activatePumpENTRY(lines 693 700) the Hoare annotation is: (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0)) (not (= 2 ~waterLevel~0))) [2020-08-21 17:15:45,385 INFO L271 CegarLoopResult]: At program point getWaterLevelENTRY(lines 530 538) the Hoare annotation is: true [2020-08-21 17:15:45,386 INFO L268 CegarLoopResult]: For program point getWaterLevelFINAL(lines 530 538) no Hoare annotation was computed. [2020-08-21 17:15:45,386 INFO L268 CegarLoopResult]: For program point getWaterLevelEXIT(lines 530 538) no Hoare annotation was computed. [2020-08-21 17:15:45,386 INFO L268 CegarLoopResult]: For program point isHighWaterLevelEXIT(lines 765 783) no Hoare annotation was computed. [2020-08-21 17:15:45,386 INFO L268 CegarLoopResult]: For program point L774(lines 774 778) no Hoare annotation was computed. [2020-08-21 17:15:45,386 INFO L271 CegarLoopResult]: At program point isHighWaterLevelENTRY(lines 765 783) the Hoare annotation is: true [2020-08-21 17:15:45,386 INFO L268 CegarLoopResult]: For program point isHighWaterLevelFINAL(lines 765 783) no Hoare annotation was computed. [2020-08-21 17:15:45,386 INFO L271 CegarLoopResult]: At program point L772(line 772) the Hoare annotation is: true [2020-08-21 17:15:45,387 INFO L268 CegarLoopResult]: For program point L774-2(lines 774 778) no Hoare annotation was computed. [2020-08-21 17:15:45,387 INFO L268 CegarLoopResult]: For program point L772-1(line 772) no Hoare annotation was computed. [2020-08-21 17:15:45,387 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intEXIT(line -1) no Hoare annotation was computed. [2020-08-21 17:15:45,387 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intENTRY(line -1) no Hoare annotation was computed. [2020-08-21 17:15:45,387 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intFINAL(line -1) no Hoare annotation was computed. [2020-08-21 17:15:45,387 INFO L264 CegarLoopResult]: At program point changeMethaneLevelENTRY(lines 486 497) the Hoare annotation is: (let ((.cse4 (not (= ~pumpRunning~0 0))) (.cse2 (not (= 2 ~waterLevel~0))) (.cse0 (not (<= 1 ~pumpRunning~0))) (.cse1 (not (= 1 ~systemActive~0))) (.cse3 (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0))) (and (or .cse0 .cse1 .cse2 .cse3) (or (not (= ~waterLevel~0 1)) .cse4 .cse1 .cse3) (or .cse4 .cse1 .cse2 .cse3) (or .cse0 .cse1 (= ~switchedOnBeforeTS~0 0) .cse3))) [2020-08-21 17:15:45,387 INFO L268 CegarLoopResult]: For program point L490-1(lines 486 497) no Hoare annotation was computed. [2020-08-21 17:15:45,388 INFO L268 CegarLoopResult]: For program point changeMethaneLevelEXIT(lines 486 497) no Hoare annotation was computed. [2020-08-21 17:15:45,388 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalENTRY(lines 498 506) no Hoare annotation was computed. [2020-08-21 17:15:45,388 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalFINAL(lines 498 506) no Hoare annotation was computed. [2020-08-21 17:15:45,388 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalEXIT(lines 498 506) no Hoare annotation was computed. [2020-08-21 17:15:45,388 INFO L268 CegarLoopResult]: For program point L640(lines 636 658) no Hoare annotation was computed. [2020-08-21 17:15:45,388 INFO L268 CegarLoopResult]: For program point L638(lines 636 658) no Hoare annotation was computed. [2020-08-21 17:15:45,388 INFO L264 CegarLoopResult]: At program point timeShiftENTRY(lines 633 659) the Hoare annotation is: (let ((.cse1 (not (= |old(~waterLevel~0)| 2))) (.cse3 (not (= |old(~pumpRunning~0)| 0))) (.cse4 (not (<= 1 |old(~pumpRunning~0)|))) (.cse0 (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|))) (.cse2 (not (= 1 ~systemActive~0)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse4 .cse0 .cse1 .cse2) (or (not (= |old(~waterLevel~0)| 1)) .cse0 .cse2 .cse3) (or (= |old(~switchedOnBeforeTS~0)| 0) .cse4 .cse0 .cse2))) [2020-08-21 17:15:45,388 INFO L268 CegarLoopResult]: For program point timeShiftEXIT(lines 633 659) no Hoare annotation was computed. [2020-08-21 17:15:45,389 INFO L264 CegarLoopResult]: At program point L649(line 649) the Hoare annotation is: (let ((.cse3 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse4 (not (= ~switchedOnBeforeTS~0 0))) (.cse0 (not (<= 1 |old(~pumpRunning~0)|))) (.cse1 (not (= |old(~waterLevel~0)| 2))) (.cse2 (not (= 1 ~systemActive~0))) (.cse5 (not (= |old(~pumpRunning~0)| 0))) (.cse6 (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 0)))) (and (or .cse0 .cse1 .cse2 (and (= ~waterLevel~0 1) .cse3 .cse4)) (or (= |old(~switchedOnBeforeTS~0)| 0) (and .cse3 .cse4) .cse0 .cse2) (or (not (= |old(~waterLevel~0)| 1)) .cse2 .cse5 .cse6) (or .cse1 .cse2 .cse5 .cse6))) [2020-08-21 17:15:45,389 INFO L264 CegarLoopResult]: At program point L647(lines 647 653) the Hoare annotation is: (let ((.cse2 (not (= |old(~waterLevel~0)| 2))) (.cse6 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse7 (not (= ~switchedOnBeforeTS~0 0))) (.cse5 (not (<= 1 |old(~pumpRunning~0)|))) (.cse3 (not (= 1 ~systemActive~0))) (.cse4 (not (= |old(~pumpRunning~0)| 0))) (.cse1 (= ~pumpRunning~0 0))) (and (let ((.cse0 (= 2 ~waterLevel~0))) (or (and .cse0 .cse1) (and (<= 1 ~pumpRunning~0) .cse0) .cse2 .cse3 .cse4)) (or .cse5 .cse2 .cse3 (and (= ~waterLevel~0 1) .cse6 .cse7)) (or (= |old(~switchedOnBeforeTS~0)| 0) (and .cse6 .cse7) .cse5 .cse3) (or (not (= |old(~waterLevel~0)| 1)) .cse3 .cse4 (and (= |old(~waterLevel~0)| ~waterLevel~0) .cse1)))) [2020-08-21 17:15:45,389 INFO L268 CegarLoopResult]: For program point timeShiftFINAL(lines 633 659) no Hoare annotation was computed. [2020-08-21 17:15:45,389 INFO L264 CegarLoopResult]: At program point L642(line 642) the Hoare annotation is: (let ((.cse3 (not (= |old(~waterLevel~0)| 2))) (.cse5 (not (= |old(~pumpRunning~0)| 0))) (.cse0 (not (<= 1 |old(~pumpRunning~0)|))) (.cse4 (not (= 1 ~systemActive~0))) (.cse1 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse2 (not (= ~switchedOnBeforeTS~0 0)))) (and (or .cse0 (and (= 2 ~waterLevel~0) .cse1 .cse2) .cse3 .cse4) (or .cse3 .cse4 .cse5) (or (not (= |old(~waterLevel~0)| 1)) .cse4 .cse5) (or (= |old(~switchedOnBeforeTS~0)| 0) .cse0 .cse4 (and (= |old(~waterLevel~0)| ~waterLevel~0) .cse1 .cse2)))) [2020-08-21 17:15:45,389 INFO L268 CegarLoopResult]: For program point L864(line 864) no Hoare annotation was computed. [2020-08-21 17:15:45,389 INFO L268 CegarLoopResult]: For program point cleanupEXIT(lines 843 872) no Hoare annotation was computed. [2020-08-21 17:15:45,390 INFO L271 CegarLoopResult]: At program point cleanupENTRY(lines 843 872) the Hoare annotation is: true [2020-08-21 17:15:45,390 INFO L268 CegarLoopResult]: For program point L857(lines 857 861) no Hoare annotation was computed. [2020-08-21 17:15:45,390 INFO L271 CegarLoopResult]: At program point L857-1(lines 857 861) the Hoare annotation is: true [2020-08-21 17:15:45,390 INFO L268 CegarLoopResult]: For program point L854(line 854) no Hoare annotation was computed. [2020-08-21 17:15:45,390 INFO L271 CegarLoopResult]: At program point L853-2(lines 853 867) the Hoare annotation is: true [2020-08-21 17:15:45,390 INFO L271 CegarLoopResult]: At program point L849(line 849) the Hoare annotation is: true [2020-08-21 17:15:45,390 INFO L268 CegarLoopResult]: For program point L849-1(line 849) no Hoare annotation was computed. [2020-08-21 17:15:45,390 INFO L271 CegarLoopResult]: At program point L868(lines 843 872) the Hoare annotation is: true [2020-08-21 17:15:45,390 INFO L268 CegarLoopResult]: For program point L466-1(lines 462 473) no Hoare annotation was computed. [2020-08-21 17:15:45,391 INFO L264 CegarLoopResult]: At program point lowerWaterLevelENTRY(lines 462 473) the Hoare annotation is: (or (not (<= 1 ~pumpRunning~0)) (= |old(~waterLevel~0)| ~waterLevel~0) (not (= 1 ~systemActive~0)) (= ~switchedOnBeforeTS~0 0)) [2020-08-21 17:15:45,391 INFO L268 CegarLoopResult]: For program point lowerWaterLevelEXIT(lines 462 473) no Hoare annotation was computed. [2020-08-21 17:15:45,391 INFO L268 CegarLoopResult]: For program point setupEXIT(lines 897 903) no Hoare annotation was computed. [2020-08-21 17:15:45,391 INFO L271 CegarLoopResult]: At program point setupFINAL(lines 897 903) the Hoare annotation is: true [2020-08-21 17:15:45,391 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-08-21 17:15:45,391 INFO L264 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (and (= ~waterLevel~0 1) (= 1 ~systemActive~0) (= ~pumpRunning~0 0)) [2020-08-21 17:15:45,391 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-08-21 17:15:45,391 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-08-21 17:15:45,392 INFO L268 CegarLoopResult]: For program point startSystemEXIT(lines 784 791) no Hoare annotation was computed. [2020-08-21 17:15:45,392 INFO L264 CegarLoopResult]: At program point startSystemENTRY(lines 784 791) the Hoare annotation is: (let ((.cse2 (not (= ~pumpRunning~0 0))) (.cse0 (not (= |old(~systemActive~0)| 1))) (.cse1 (= |old(~systemActive~0)| ~systemActive~0)) (.cse3 (not (<= 1 ~pumpRunning~0))) (.cse4 (not (= 2 ~waterLevel~0)))) (and (or .cse0 .cse1 (not (= ~waterLevel~0 1)) .cse2) (or .cse0 .cse3 (= 1 ~systemActive~0) (= ~switchedOnBeforeTS~0 0)) (or .cse0 .cse1 .cse2 .cse4) (or .cse0 .cse1 .cse3 .cse4))) [2020-08-21 17:15:45,392 INFO L268 CegarLoopResult]: For program point startSystemFINAL(lines 784 791) no Hoare annotation was computed. [2020-08-21 17:15:45,392 INFO L268 CegarLoopResult]: For program point waterRiseEXIT(lines 474 485) no Hoare annotation was computed. [2020-08-21 17:15:45,392 INFO L268 CegarLoopResult]: For program point L478-1(lines 474 485) no Hoare annotation was computed. [2020-08-21 17:15:45,392 INFO L264 CegarLoopResult]: At program point waterRiseENTRY(lines 474 485) the Hoare annotation is: (let ((.cse4 (not (<= 1 ~pumpRunning~0))) (.cse0 (= 2 ~waterLevel~0)) (.cse2 (not (= |old(~waterLevel~0)| 2))) (.cse5 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse1 (not (= ~pumpRunning~0 0))) (.cse3 (not (= 1 ~systemActive~0)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse4 .cse5 .cse3 (= ~switchedOnBeforeTS~0 0)) (or .cse4 .cse0 .cse2 .cse3) (or (not (= |old(~waterLevel~0)| 1)) .cse5 .cse1 .cse3))) [2020-08-21 17:15:45,392 INFO L268 CegarLoopResult]: For program point __automaton_failFINAL(lines 78 85) no Hoare annotation was computed. [2020-08-21 17:15:45,393 INFO L268 CegarLoopResult]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 82) no Hoare annotation was computed. [2020-08-21 17:15:45,393 INFO L271 CegarLoopResult]: At program point __automaton_failENTRY(lines 78 85) the Hoare annotation is: true [2020-08-21 17:15:45,393 INFO L268 CegarLoopResult]: For program point __automaton_failEXIT(lines 78 85) no Hoare annotation was computed. [2020-08-21 17:15:45,411 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 21.08 05:15:45 BoogieIcfgContainer [2020-08-21 17:15:45,411 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-08-21 17:15:45,413 INFO L168 Benchmark]: Toolchain (without parser) took 55541.33 ms. Allocated memory was 145.8 MB in the beginning and 728.8 MB in the end (delta: 583.0 MB). Free memory was 100.6 MB in the beginning and 140.9 MB in the end (delta: -40.3 MB). Peak memory consumption was 606.3 MB. Max. memory is 7.1 GB. [2020-08-21 17:15:45,414 INFO L168 Benchmark]: CDTParser took 0.27 ms. Allocated memory is still 145.8 MB. Free memory was 120.3 MB in the beginning and 120.1 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2020-08-21 17:15:45,414 INFO L168 Benchmark]: CACSL2BoogieTranslator took 682.73 ms. Allocated memory was 145.8 MB in the beginning and 201.9 MB in the end (delta: 56.1 MB). Free memory was 100.4 MB in the beginning and 168.3 MB in the end (delta: -67.9 MB). Peak memory consumption was 21.5 MB. Max. memory is 7.1 GB. [2020-08-21 17:15:45,415 INFO L168 Benchmark]: Boogie Preprocessor took 87.94 ms. Allocated memory is still 201.9 MB. Free memory was 168.3 MB in the beginning and 164.1 MB in the end (delta: 4.2 MB). Peak memory consumption was 4.2 MB. Max. memory is 7.1 GB. [2020-08-21 17:15:45,415 INFO L168 Benchmark]: RCFGBuilder took 1199.33 ms. Allocated memory was 201.9 MB in the beginning and 233.8 MB in the end (delta: 32.0 MB). Free memory was 164.1 MB in the beginning and 194.3 MB in the end (delta: -30.2 MB). Peak memory consumption was 83.4 MB. Max. memory is 7.1 GB. [2020-08-21 17:15:45,416 INFO L168 Benchmark]: TraceAbstraction took 53566.43 ms. Allocated memory was 233.8 MB in the beginning and 728.8 MB in the end (delta: 494.9 MB). Free memory was 192.9 MB in the beginning and 140.9 MB in the end (delta: 52.0 MB). Peak memory consumption was 610.5 MB. Max. memory is 7.1 GB. [2020-08-21 17:15:45,419 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.27 ms. Allocated memory is still 145.8 MB. Free memory was 120.3 MB in the beginning and 120.1 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 682.73 ms. Allocated memory was 145.8 MB in the beginning and 201.9 MB in the end (delta: 56.1 MB). Free memory was 100.4 MB in the beginning and 168.3 MB in the end (delta: -67.9 MB). Peak memory consumption was 21.5 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 87.94 ms. Allocated memory is still 201.9 MB. Free memory was 168.3 MB in the beginning and 164.1 MB in the end (delta: 4.2 MB). Peak memory consumption was 4.2 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1199.33 ms. Allocated memory was 201.9 MB in the beginning and 233.8 MB in the end (delta: 32.0 MB). Free memory was 164.1 MB in the beginning and 194.3 MB in the end (delta: -30.2 MB). Peak memory consumption was 83.4 MB. Max. memory is 7.1 GB. * TraceAbstraction took 53566.43 ms. Allocated memory was 233.8 MB in the beginning and 728.8 MB in the end (delta: 494.9 MB). Free memory was 192.9 MB in the beginning and 140.9 MB in the end (delta: 52.0 MB). Peak memory consumption was 610.5 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 82]: 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: 567]: Loop Invariant Derived loop invariant: (((((!(\old(systemActive) == 1) || !(\old(waterLevel) == 1)) || (((2 == waterLevel && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0)) || (((waterLevel == 1 && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0)) || !(\old(pumpRunning) == 0)) || (((1 <= pumpRunning && 2 == waterLevel) && 1 == systemActive) && splverifierCounter == 0)) || (((1 <= pumpRunning && 1 == systemActive) && !(switchedOnBeforeTS == 0)) && splverifierCounter == 0) - InvariantResult [Line: 566]: Loop Invariant Derived loop invariant: (!(\old(systemActive) == 1) || !(\old(waterLevel) == 1)) || !(\old(pumpRunning) == 0) - InvariantResult [Line: 853]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 843]: Loop Invariant Derived loop invariant: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 40 procedures, 229 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 36.4s, OverallIterations: 10, TraceHistogramMax: 3, AutomataDifference: 30.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 17.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 1233 SDtfs, 2785 SDslu, 1806 SDs, 0 SdLazy, 6533 SolverSat, 1998 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 13.6s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 478 GetRequests, 308 SyntacticMatches, 3 SemanticMatches, 167 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 924 ImplicationChecksByTransitivity, 16.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=616occurred in iteration=9, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.5s AutomataMinimizationTime, 10 MinimizatonAttempts, 418 StatesRemovedByMinimization, 9 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 54 LocationsWithAnnotation, 793 PreInvPairs, 862 NumberOfFragments, 1775 HoareAnnotationTreeSize, 793 FomulaSimplifications, 28116682 FormulaSimplificationTreeSizeReduction, 3.9s HoareSimplificationTime, 54 FomulaSimplificationsInter, 718904 FormulaSimplificationTreeSizeReductionInter, 12.9s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 4.3s InterpolantComputationTime, 836 NumberOfCodeBlocks, 836 NumberOfCodeBlocksAsserted, 10 NumberOfCheckSat, 826 ConstructedInterpolants, 0 QuantifiedInterpolants, 293610 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 10 InterpolantComputations, 9 PerfectInterpolantSequences, 60/66 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...