/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 produce-proofs=true --traceabstraction.additional.smt.options produce-unsat-cores=true --traceabstraction.additional.smt.options interpolation-heuristic=FIRST --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_spec1_product07.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-eb0fd7c [2020-09-21 11:03:01,536 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-09-21 11:03:01,541 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-09-21 11:03:01,581 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-09-21 11:03:01,583 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-09-21 11:03:01,592 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-09-21 11:03:01,594 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-09-21 11:03:01,598 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-09-21 11:03:01,601 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-09-21 11:03:01,605 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-09-21 11:03:01,606 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-09-21 11:03:01,607 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-09-21 11:03:01,607 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-09-21 11:03:01,611 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-09-21 11:03:01,613 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-09-21 11:03:01,615 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-09-21 11:03:01,617 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-09-21 11:03:01,618 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-09-21 11:03:01,619 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-09-21 11:03:01,628 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-09-21 11:03:01,630 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-09-21 11:03:01,631 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-09-21 11:03:01,632 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-09-21 11:03:01,633 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-09-21 11:03:01,645 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-09-21 11:03:01,645 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-09-21 11:03:01,646 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-09-21 11:03:01,652 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-09-21 11:03:01,652 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-09-21 11:03:01,657 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-09-21 11:03:01,657 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-09-21 11:03:01,658 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-09-21 11:03:01,661 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-09-21 11:03:01,662 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-09-21 11:03:01,663 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-09-21 11:03:01,664 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-09-21 11:03:01,665 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-09-21 11:03:01,665 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-09-21 11:03:01,665 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-09-21 11:03:01,667 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-09-21 11:03:01,668 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-09-21 11:03:01,669 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 [2020-09-21 11:03:01,709 INFO L113 SettingsManager]: Loading preferences was successful [2020-09-21 11:03:01,710 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-09-21 11:03:01,714 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-09-21 11:03:01,714 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-09-21 11:03:01,714 INFO L138 SettingsManager]: * Use SBE=true [2020-09-21 11:03:01,715 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-09-21 11:03:01,715 INFO L138 SettingsManager]: * sizeof long=4 [2020-09-21 11:03:01,715 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-09-21 11:03:01,715 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-09-21 11:03:01,715 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-09-21 11:03:01,716 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-09-21 11:03:01,716 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-09-21 11:03:01,716 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-09-21 11:03:01,716 INFO L138 SettingsManager]: * sizeof long double=12 [2020-09-21 11:03:01,717 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-09-21 11:03:01,717 INFO L138 SettingsManager]: * Use constant arrays=true [2020-09-21 11:03:01,717 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-09-21 11:03:01,717 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-09-21 11:03:01,717 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-09-21 11:03:01,718 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-09-21 11:03:01,718 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-09-21 11:03:01,718 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-21 11:03:01,718 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-09-21 11:03:01,718 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-09-21 11:03:01,719 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-09-21 11:03:01,719 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-09-21 11:03:01,719 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-09-21 11:03:01,719 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-09-21 11:03:01,719 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-09-21 11:03:01,720 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 -> produce-proofs=true;produce-unsat-cores=true;interpolation-heuristic=FIRST;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;interpolation-heuristic=FIRST;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;interpolation-heuristic=FIRST;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;interpolation-heuristic=FIRST;log-additional-information=true; [2020-09-21 11:03:02,812 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-09-21 11:03:02,833 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-09-21 11:03:02,838 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-09-21 11:03:02,840 INFO L271 PluginConnector]: Initializing CDTParser... [2020-09-21 11:03:02,841 INFO L275 PluginConnector]: CDTParser initialized [2020-09-21 11:03:02,842 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec1_product07.cil.c [2020-09-21 11:03:02,929 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/024e83bb3/7a729796b5c343a08deb8e5f2043e0f7/FLAGf10b13445 [2020-09-21 11:03:03,564 INFO L306 CDTParser]: Found 1 translation units. [2020-09-21 11:03:03,565 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/product-lines/minepump_spec1_product07.cil.c [2020-09-21 11:03:03,579 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/024e83bb3/7a729796b5c343a08deb8e5f2043e0f7/FLAGf10b13445 [2020-09-21 11:03:03,792 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/024e83bb3/7a729796b5c343a08deb8e5f2043e0f7 [2020-09-21 11:03:03,806 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-09-21 11:03:03,811 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-09-21 11:03:03,812 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-09-21 11:03:03,812 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-09-21 11:03:03,816 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-09-21 11:03:03,817 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.09 11:03:03" (1/1) ... [2020-09-21 11:03:03,822 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@51800d17 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:03:03, skipping insertion in model container [2020-09-21 11:03:03,822 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.09 11:03:03" (1/1) ... [2020-09-21 11:03:03,831 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-09-21 11:03:03,908 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-09-21 11:03:04,280 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-21 11:03:04,302 INFO L203 MainTranslator]: Completed pre-run [2020-09-21 11:03:04,488 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-21 11:03:04,526 INFO L208 MainTranslator]: Completed translation [2020-09-21 11:03:04,527 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:03:04 WrapperNode [2020-09-21 11:03:04,527 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-09-21 11:03:04,528 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-09-21 11:03:04,528 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-09-21 11:03:04,528 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-09-21 11:03:04,546 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:03:04" (1/1) ... [2020-09-21 11:03:04,547 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:03:04" (1/1) ... [2020-09-21 11:03:04,570 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:03:04" (1/1) ... [2020-09-21 11:03:04,570 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:03:04" (1/1) ... [2020-09-21 11:03:04,604 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:03:04" (1/1) ... [2020-09-21 11:03:04,615 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:03:04" (1/1) ... [2020-09-21 11:03:04,624 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:03:04" (1/1) ... [2020-09-21 11:03:04,642 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-09-21 11:03:04,643 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-09-21 11:03:04,643 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-09-21 11:03:04,643 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-09-21 11:03:04,644 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:03:04" (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 [2020-09-21 11:03:04,735 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-09-21 11:03:04,735 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-09-21 11:03:04,736 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-09-21 11:03:04,736 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-09-21 11:03:04,736 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-09-21 11:03:04,736 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-09-21 11:03:04,737 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-09-21 11:03:04,737 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-09-21 11:03:04,737 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-09-21 11:03:04,737 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification1_spec__1 [2020-09-21 11:03:04,737 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-09-21 11:03:04,737 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-09-21 11:03:04,738 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2020-09-21 11:03:04,738 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-09-21 11:03:04,738 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-09-21 11:03:04,738 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-09-21 11:03:04,738 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-09-21 11:03:04,739 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-09-21 11:03:04,739 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-09-21 11:03:04,739 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2020-09-21 11:03:04,739 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-09-21 11:03:04,739 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-09-21 11:03:04,739 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-09-21 11:03:04,740 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-09-21 11:03:04,740 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-09-21 11:03:04,740 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-09-21 11:03:04,740 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-09-21 11:03:04,740 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-09-21 11:03:04,740 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-09-21 11:03:04,741 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-09-21 11:03:04,741 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-09-21 11:03:04,741 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-09-21 11:03:04,741 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-09-21 11:03:04,741 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-09-21 11:03:04,741 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-09-21 11:03:04,742 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-09-21 11:03:04,742 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-09-21 11:03:04,742 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-09-21 11:03:04,742 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-09-21 11:03:04,742 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-09-21 11:03:04,742 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-09-21 11:03:04,743 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-09-21 11:03:04,743 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-09-21 11:03:04,743 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-09-21 11:03:04,743 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-09-21 11:03:04,743 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-09-21 11:03:04,743 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-09-21 11:03:04,744 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-09-21 11:03:04,744 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification1_spec__1 [2020-09-21 11:03:04,744 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-09-21 11:03:04,744 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-09-21 11:03:04,744 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-09-21 11:03:04,744 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-09-21 11:03:04,745 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2020-09-21 11:03:04,745 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-09-21 11:03:04,745 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2020-09-21 11:03:04,745 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-09-21 11:03:04,745 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-09-21 11:03:04,745 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-09-21 11:03:04,746 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-09-21 11:03:04,746 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-09-21 11:03:04,746 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-09-21 11:03:04,746 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-09-21 11:03:04,746 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-09-21 11:03:04,747 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-09-21 11:03:04,747 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-09-21 11:03:04,747 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-09-21 11:03:04,747 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-09-21 11:03:04,747 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-09-21 11:03:04,747 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-09-21 11:03:04,747 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-09-21 11:03:04,748 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-09-21 11:03:04,748 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-09-21 11:03:04,748 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-09-21 11:03:04,748 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-09-21 11:03:04,748 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-09-21 11:03:04,749 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-09-21 11:03:04,749 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-09-21 11:03:04,749 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-09-21 11:03:04,749 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-09-21 11:03:04,749 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-09-21 11:03:04,749 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-09-21 11:03:04,750 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-09-21 11:03:04,750 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-09-21 11:03:04,750 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-09-21 11:03:04,750 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-09-21 11:03:05,884 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-09-21 11:03:05,884 INFO L295 CfgBuilder]: Removed 5 assume(true) statements. [2020-09-21 11:03:05,890 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.09 11:03:05 BoogieIcfgContainer [2020-09-21 11:03:05,891 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-09-21 11:03:05,892 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-09-21 11:03:05,892 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-09-21 11:03:05,896 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-09-21 11:03:05,896 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.09 11:03:03" (1/3) ... [2020-09-21 11:03:05,897 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4680bce0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.09 11:03:05, skipping insertion in model container [2020-09-21 11:03:05,898 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:03:04" (2/3) ... [2020-09-21 11:03:05,898 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4680bce0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.09 11:03:05, skipping insertion in model container [2020-09-21 11:03:05,898 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.09 11:03:05" (3/3) ... [2020-09-21 11:03:05,900 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec1_product07.cil.c [2020-09-21 11:03:05,912 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-09-21 11:03:05,923 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-09-21 11:03:05,945 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-09-21 11:03:05,976 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-09-21 11:03:05,976 INFO L376 AbstractCegarLoop]: Hoare is true [2020-09-21 11:03:05,976 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-09-21 11:03:05,976 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-09-21 11:03:05,976 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-09-21 11:03:05,976 INFO L380 AbstractCegarLoop]: Difference is false [2020-09-21 11:03:05,977 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-09-21 11:03:05,977 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-09-21 11:03:06,003 INFO L276 IsEmpty]: Start isEmpty. Operand 148 states. [2020-09-21 11:03:06,014 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2020-09-21 11:03:06,014 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 11:03:06,016 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-21 11:03:06,016 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 11:03:06,023 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 11:03:06,023 INFO L82 PathProgramCache]: Analyzing trace with hash 1594153299, now seen corresponding path program 1 times [2020-09-21 11:03:06,032 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 11:03:06,033 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [882357551] [2020-09-21 11:03:06,033 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 11:03:06,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:03:06,406 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:03:06,406 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:03:06,407 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:03:06,407 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:03:06,407 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 77 [2020-09-21 11:03:06,407 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:03:06,408 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-09-21 11:03:06,408 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:03:06,408 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:03:06,409 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 43 [2020-09-21 11:03:06,409 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:03:06,409 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:03:06,878 WARN L193 SmtUtils]: Spent 338.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-21 11:03:06,879 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:03:06,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:03:06,910 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:03:06,910 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:03:06,911 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:03:06,912 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:03:06,912 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:03:06,912 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:03:06,912 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 11:03:06,918 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:03:06,918 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:03:06,918 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:03:06,919 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:03:06,920 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:03:07,021 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-09-21 11:03:07,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:03:07,025 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:03:07,026 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:03:07,026 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:03:07,027 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:03:07,027 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:03:07,027 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:03:07,027 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 11:03:07,028 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:03:07,028 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:03:07,028 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:03:07,028 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:03:07,029 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:03:07,032 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-09-21 11:03:07,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:03:07,039 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:03:07,039 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:03:07,039 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:03:07,039 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:03:07,040 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:03:07,041 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:03:07,041 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:03:07,041 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:03:07,041 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:03:07,041 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:03:07,042 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:03:07,042 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:03:07,045 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-21 11:03:07,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:03:07,048 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:03:07,049 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:03:07,049 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:03:07,050 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:03:07,050 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:03:07,050 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:03:07,050 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-21 11:03:07,050 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:03:07,051 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:03:07,051 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:03:07,051 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:03:07,051 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:03:07,055 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-09-21 11:03:07,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:03:07,058 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:03:07,058 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:03:07,059 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:03:07,059 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:03:07,059 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:03:07,059 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:03:07,060 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 11:03:07,060 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:03:07,060 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:03:07,060 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:03:07,060 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:03:07,061 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:03:07,063 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2020-09-21 11:03:07,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:03:07,066 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:03:07,067 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:03:07,067 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:03:07,067 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:03:07,067 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:03:07,068 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:03:07,068 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:03:07,090 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:03:07,091 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:03:07,091 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:03:07,091 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:03:07,091 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:03:07,097 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2020-09-21 11:03:07,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:03:07,103 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:03:07,103 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:03:07,103 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:03:07,104 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:03:07,104 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:03:07,104 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:03:07,104 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:03:07,104 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:03:07,105 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:03:07,105 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:03:07,105 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:03:07,105 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:03:07,122 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-21 11:03:07,124 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [882357551] [2020-09-21 11:03:07,126 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-21 11:03:07,127 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-09-21 11:03:07,128 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [680849696] [2020-09-21 11:03:07,135 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-09-21 11:03:07,135 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 11:03:07,153 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-09-21 11:03:07,154 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-09-21 11:03:07,157 INFO L87 Difference]: Start difference. First operand 148 states. Second operand 3 states. [2020-09-21 11:03:08,309 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 11:03:08,310 INFO L93 Difference]: Finished difference Result 251 states and 336 transitions. [2020-09-21 11:03:08,311 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-09-21 11:03:08,312 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 46 [2020-09-21 11:03:08,313 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 11:03:08,330 INFO L225 Difference]: With dead ends: 251 [2020-09-21 11:03:08,331 INFO L226 Difference]: Without dead ends: 137 [2020-09-21 11:03:08,336 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-09-21 11:03:08,357 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 137 states. [2020-09-21 11:03:08,420 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 137 to 105. [2020-09-21 11:03:08,424 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 105 states. [2020-09-21 11:03:08,426 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 105 states to 105 states and 124 transitions. [2020-09-21 11:03:08,432 INFO L78 Accepts]: Start accepts. Automaton has 105 states and 124 transitions. Word has length 46 [2020-09-21 11:03:08,432 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 11:03:08,432 INFO L479 AbstractCegarLoop]: Abstraction has 105 states and 124 transitions. [2020-09-21 11:03:08,432 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-09-21 11:03:08,433 INFO L276 IsEmpty]: Start isEmpty. Operand 105 states and 124 transitions. [2020-09-21 11:03:08,436 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2020-09-21 11:03:08,436 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 11:03:08,437 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-21 11:03:08,437 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-09-21 11:03:08,437 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 11:03:08,438 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 11:03:08,438 INFO L82 PathProgramCache]: Analyzing trace with hash -2039771295, now seen corresponding path program 1 times [2020-09-21 11:03:08,438 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 11:03:08,438 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [471652034] [2020-09-21 11:03:08,439 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 11:03:08,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:03:08,504 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:03:08,505 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:03:08,505 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:03:08,505 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:03:08,506 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 78 [2020-09-21 11:03:08,506 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:03:08,506 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-21 11:03:08,506 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:03:08,506 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:03:08,507 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 42 [2020-09-21 11:03:08,507 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-09-21 11:03:08,507 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:03:08,788 WARN L193 SmtUtils]: Spent 217.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-21 11:03:08,789 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:03:08,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:03:08,797 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:03:08,798 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:03:08,798 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:03:08,798 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:03:08,798 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:03:08,798 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:03:08,799 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:03:08,799 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:03:08,799 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:03:08,799 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:03:08,799 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:03:08,799 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:03:08,839 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-09-21 11:03:08,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:03:08,840 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:03:08,841 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:03:08,841 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:03:08,841 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:03:08,842 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:03:08,842 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:03:08,842 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:03:08,842 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:03:08,842 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:03:08,843 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:03:08,843 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:03:08,843 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:03:08,845 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-09-21 11:03:08,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:03:08,846 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:03:08,847 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:03:08,847 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:03:08,847 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:03:08,847 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:03:08,848 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:03:08,848 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:03:08,848 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:03:08,848 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:03:08,849 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:03:08,849 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:03:08,849 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:03:08,850 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-21 11:03:08,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:03:08,852 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:03:08,853 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:03:08,853 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:03:08,853 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:03:08,853 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:03:08,854 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:03:08,854 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:03:08,854 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:03:08,854 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:03:08,855 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:03:08,855 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:03:08,855 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:03:08,857 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-09-21 11:03:08,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:03:08,859 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:03:08,859 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:03:08,859 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:03:08,860 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:03:08,860 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:03:08,860 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:03:08,860 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:03:08,861 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:03:08,861 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:03:08,861 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:03:08,861 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:03:08,861 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:03:08,863 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2020-09-21 11:03:08,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:03:08,864 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:03:08,865 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:03:08,865 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:03:08,865 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:03:08,865 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:03:08,865 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:03:08,866 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:03:08,866 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:03:08,866 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:03:08,866 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:03:08,866 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:03:08,867 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:03:08,868 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2020-09-21 11:03:08,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:03:08,870 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:03:08,871 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:03:08,871 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:03:08,871 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:03:08,871 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:03:08,871 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:03:08,872 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:03:08,872 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:03:08,872 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:03:08,872 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:03:08,872 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:03:08,873 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:03:08,880 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-21 11:03:08,881 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [471652034] [2020-09-21 11:03:08,881 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-21 11:03:08,882 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-09-21 11:03:08,882 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1136014668] [2020-09-21 11:03:08,884 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-09-21 11:03:08,884 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 11:03:08,885 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-09-21 11:03:08,885 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-09-21 11:03:08,885 INFO L87 Difference]: Start difference. First operand 105 states and 124 transitions. Second operand 4 states. [2020-09-21 11:03:09,381 WARN L193 SmtUtils]: Spent 250.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-21 11:03:10,033 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 11:03:10,034 INFO L93 Difference]: Finished difference Result 178 states and 219 transitions. [2020-09-21 11:03:10,034 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-09-21 11:03:10,034 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 47 [2020-09-21 11:03:10,035 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 11:03:10,037 INFO L225 Difference]: With dead ends: 178 [2020-09-21 11:03:10,037 INFO L226 Difference]: Without dead ends: 121 [2020-09-21 11:03:10,039 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-09-21 11:03:10,040 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 121 states. [2020-09-21 11:03:10,077 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 121 to 96. [2020-09-21 11:03:10,077 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 96 states. [2020-09-21 11:03:10,082 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 96 states and 112 transitions. [2020-09-21 11:03:10,083 INFO L78 Accepts]: Start accepts. Automaton has 96 states and 112 transitions. Word has length 47 [2020-09-21 11:03:10,083 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 11:03:10,083 INFO L479 AbstractCegarLoop]: Abstraction has 96 states and 112 transitions. [2020-09-21 11:03:10,083 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-09-21 11:03:10,083 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states and 112 transitions. [2020-09-21 11:03:10,093 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2020-09-21 11:03:10,093 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 11:03:10,093 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-21 11:03:10,095 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-09-21 11:03:10,096 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 11:03:10,096 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 11:03:10,096 INFO L82 PathProgramCache]: Analyzing trace with hash 790886080, now seen corresponding path program 1 times [2020-09-21 11:03:10,096 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 11:03:10,097 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [866259963] [2020-09-21 11:03:10,097 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 11:03:10,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:03:10,659 FATAL L256 erpolLogProxyWrapper]: Difference in size: 4 [2020-09-21 11:03:10,660 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:03:10,660 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:03:10,660 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:03:10,660 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 80 [2020-09-21 11:03:10,661 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:03:10,661 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 472 [2020-09-21 11:03:10,661 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:03:10,661 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-09-21 11:03:10,662 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:03:10,662 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 50 [2020-09-21 11:03:10,662 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:03:11,034 WARN L193 SmtUtils]: Spent 256.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-21 11:03:11,035 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:03:11,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:03:11,121 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:03:11,121 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:03:11,121 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:03:11,122 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:03:11,122 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:03:11,122 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:03:11,123 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 60 [2020-09-21 11:03:11,123 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:03:11,123 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:03:11,123 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:03:11,124 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-09-21 11:03:11,124 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:03:11,174 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-09-21 11:03:11,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:03:11,177 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:03:11,178 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:03:11,178 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:03:11,178 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:03:11,178 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:03:11,178 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:03:11,178 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:03:11,179 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:03:11,179 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:03:11,179 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:03:11,179 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 11:03:11,179 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:03:11,181 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-09-21 11:03:11,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:03:11,183 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:03:11,183 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:03:11,183 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:03:11,183 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:03:11,184 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:03:11,184 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:03:11,184 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:03:11,184 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:03:11,184 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:03:11,185 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:03:11,185 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 11:03:11,185 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:03:11,186 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-21 11:03:11,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:03:11,192 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:03:11,193 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:03:11,193 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:03:11,193 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:03:11,193 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:03:11,194 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:03:11,194 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-21 11:03:11,194 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:03:11,194 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:03:11,194 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:03:11,195 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 11:03:11,195 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:03:11,198 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-09-21 11:03:11,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:03:11,201 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:03:11,201 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:03:11,202 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:03:11,203 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:03:11,203 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:03:11,203 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:03:11,204 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 11:03:11,204 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:03:11,204 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:03:11,204 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:03:11,205 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 11:03:11,205 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:03:11,210 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-09-21 11:03:11,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:03:11,212 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:03:11,212 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:03:11,212 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:03:11,212 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:03:11,213 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:03:11,213 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:03:11,213 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:03:11,213 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:03:11,213 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:03:11,214 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:03:11,214 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:03:11,214 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:03:11,216 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2020-09-21 11:03:11,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:03:11,218 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:03:11,218 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:03:11,219 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:03:11,219 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:03:11,219 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:03:11,219 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:03:11,219 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:03:11,220 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:03:11,220 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:03:11,220 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:03:11,221 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:03:11,221 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:03:11,228 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-21 11:03:11,228 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [866259963] [2020-09-21 11:03:11,228 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-21 11:03:11,229 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-09-21 11:03:11,229 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1602769051] [2020-09-21 11:03:11,231 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-09-21 11:03:11,231 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 11:03:11,232 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-09-21 11:03:11,232 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-09-21 11:03:11,232 INFO L87 Difference]: Start difference. First operand 96 states and 112 transitions. Second operand 4 states. [2020-09-21 11:03:11,569 WARN L193 SmtUtils]: Spent 238.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-21 11:03:12,880 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 11:03:12,881 INFO L93 Difference]: Finished difference Result 275 states and 344 transitions. [2020-09-21 11:03:12,881 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-09-21 11:03:12,881 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 51 [2020-09-21 11:03:12,882 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 11:03:12,886 INFO L225 Difference]: With dead ends: 275 [2020-09-21 11:03:12,886 INFO L226 Difference]: Without dead ends: 203 [2020-09-21 11:03:12,887 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 17 SyntacticMatches, 1 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-09-21 11:03:12,888 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 203 states. [2020-09-21 11:03:12,938 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 203 to 162. [2020-09-21 11:03:12,938 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 162 states. [2020-09-21 11:03:12,939 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 162 states to 162 states and 195 transitions. [2020-09-21 11:03:12,940 INFO L78 Accepts]: Start accepts. Automaton has 162 states and 195 transitions. Word has length 51 [2020-09-21 11:03:12,940 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 11:03:12,940 INFO L479 AbstractCegarLoop]: Abstraction has 162 states and 195 transitions. [2020-09-21 11:03:12,940 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-09-21 11:03:12,941 INFO L276 IsEmpty]: Start isEmpty. Operand 162 states and 195 transitions. [2020-09-21 11:03:12,942 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2020-09-21 11:03:12,942 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 11:03:12,942 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-21 11:03:12,943 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-09-21 11:03:12,943 INFO L427 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 11:03:12,943 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 11:03:12,943 INFO L82 PathProgramCache]: Analyzing trace with hash -1905735507, now seen corresponding path program 1 times [2020-09-21 11:03:12,944 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 11:03:12,944 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1023047919] [2020-09-21 11:03:12,944 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 11:03:12,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:03:13,280 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:03:13,280 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:03:13,280 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:03:13,281 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:03:13,281 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 88 [2020-09-21 11:03:13,281 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:03:13,281 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 291 [2020-09-21 11:03:13,281 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:03:13,282 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 11 [2020-09-21 11:03:13,282 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:03:13,282 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 70 [2020-09-21 11:03:13,282 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:03:13,610 WARN L193 SmtUtils]: Spent 240.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-21 11:03:13,611 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:03:13,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:03:13,668 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:03:13,668 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:03:13,668 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:03:13,668 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:03:13,669 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:03:13,669 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:03:13,669 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 30 [2020-09-21 11:03:13,669 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:03:13,669 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:03:13,669 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:03:13,670 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-09-21 11:03:13,670 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:03:13,713 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-09-21 11:03:13,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:03:13,715 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:03:13,716 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:03:13,716 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:03:13,716 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:03:13,717 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:03:13,717 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:03:13,717 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:03:13,717 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:03:13,718 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:03:13,718 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:03:13,718 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 11:03:13,718 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:03:13,720 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-09-21 11:03:13,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:03:13,723 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:03:13,724 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:03:13,724 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:03:13,724 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:03:13,725 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:03:13,725 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:03:13,725 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 11:03:13,725 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:03:13,726 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:03:13,726 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:03:13,726 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 11:03:13,726 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:03:13,728 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-21 11:03:13,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:03:13,730 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:03:13,730 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:03:13,731 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:03:13,731 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:03:13,731 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:03:13,732 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:03:13,732 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:03:13,732 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:03:13,732 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:03:13,733 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:03:13,733 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 11:03:13,733 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:03:13,735 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-09-21 11:03:13,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:03:13,737 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:03:13,737 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:03:13,738 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:03:13,738 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:03:13,738 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:03:13,738 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:03:13,738 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:03:13,739 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:03:13,739 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:03:13,739 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:03:13,739 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 11:03:13,739 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:03:13,752 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2020-09-21 11:03:13,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:03:13,755 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:03:13,755 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:03:13,755 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:03:13,756 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:03:13,756 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-21 11:03:13,756 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:03:13,756 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:03:13,756 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:03:13,757 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:03:13,757 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:03:13,757 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-21 11:03:13,757 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:03:13,760 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2020-09-21 11:03:13,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:03:13,765 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:03:13,766 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:03:13,766 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:03:13,766 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:03:13,766 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:03:13,766 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:03:13,767 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-21 11:03:13,767 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:03:13,767 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-21 11:03:13,767 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:03:13,767 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 11:03:13,768 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:03:13,789 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2020-09-21 11:03:13,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:03:13,791 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:03:13,791 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:03:13,791 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:03:13,791 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:03:13,792 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:03:13,792 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:03:13,792 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:03:13,792 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:03:13,792 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:03:13,793 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:03:13,818 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:03:13,819 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 26 [2020-09-21 11:03:13,831 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-21 11:03:13,832 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1023047919] [2020-09-21 11:03:13,832 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-21 11:03:13,832 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-09-21 11:03:13,833 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1345884628] [2020-09-21 11:03:13,833 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-09-21 11:03:13,833 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 11:03:13,833 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-09-21 11:03:13,834 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2020-09-21 11:03:13,834 INFO L87 Difference]: Start difference. First operand 162 states and 195 transitions. Second operand 8 states. [2020-09-21 11:03:14,285 WARN L193 SmtUtils]: Spent 272.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-21 11:03:15,341 WARN L193 SmtUtils]: Spent 304.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-21 11:03:15,756 WARN L193 SmtUtils]: Spent 257.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-21 11:03:16,127 WARN L193 SmtUtils]: Spent 280.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-21 11:03:16,468 WARN L193 SmtUtils]: Spent 279.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-21 11:03:16,900 WARN L193 SmtUtils]: Spent 266.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-21 11:03:17,704 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 11:03:17,704 INFO L93 Difference]: Finished difference Result 524 states and 694 transitions. [2020-09-21 11:03:17,707 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-09-21 11:03:17,707 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 57 [2020-09-21 11:03:17,708 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 11:03:17,712 INFO L225 Difference]: With dead ends: 524 [2020-09-21 11:03:17,712 INFO L226 Difference]: Without dead ends: 386 [2020-09-21 11:03:17,715 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 2.0s TimeCoverageRelationStatistics Valid=60, Invalid=150, Unknown=0, NotChecked=0, Total=210 [2020-09-21 11:03:17,715 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 386 states. [2020-09-21 11:03:17,805 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 386 to 285. [2020-09-21 11:03:17,805 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 285 states. [2020-09-21 11:03:17,808 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 285 states to 285 states and 348 transitions. [2020-09-21 11:03:17,808 INFO L78 Accepts]: Start accepts. Automaton has 285 states and 348 transitions. Word has length 57 [2020-09-21 11:03:17,809 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 11:03:17,809 INFO L479 AbstractCegarLoop]: Abstraction has 285 states and 348 transitions. [2020-09-21 11:03:17,809 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-09-21 11:03:17,809 INFO L276 IsEmpty]: Start isEmpty. Operand 285 states and 348 transitions. [2020-09-21 11:03:17,810 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2020-09-21 11:03:17,811 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 11:03:17,811 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-21 11:03:17,811 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-09-21 11:03:17,811 INFO L427 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 11:03:17,812 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 11:03:17,812 INFO L82 PathProgramCache]: Analyzing trace with hash 718604337, now seen corresponding path program 1 times [2020-09-21 11:03:17,812 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 11:03:17,812 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [885516324] [2020-09-21 11:03:17,812 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 11:03:17,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:03:18,326 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:03:18,326 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:03:18,326 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:03:18,326 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:03:18,327 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 94 [2020-09-21 11:03:18,327 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:03:18,327 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 471 [2020-09-21 11:03:18,327 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:03:18,327 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 15 [2020-09-21 11:03:18,327 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:03:18,328 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 84 [2020-09-21 11:03:18,328 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:03:18,599 WARN L193 SmtUtils]: Spent 192.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-21 11:03:18,600 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:03:18,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:03:18,660 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:03:18,660 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:03:18,660 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:03:18,660 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:03:18,661 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:03:18,661 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:03:18,661 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 40 [2020-09-21 11:03:18,661 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:03:18,661 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:03:18,661 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:03:18,662 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-09-21 11:03:18,662 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:03:18,690 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-09-21 11:03:18,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:03:18,692 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:03:18,692 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:03:18,692 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:03:18,692 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:03:18,693 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:03:18,693 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:03:18,693 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:03:18,693 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:03:18,693 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:03:18,694 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:03:18,694 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 11:03:18,694 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:03:18,695 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-09-21 11:03:18,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:03:18,697 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:03:18,697 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:03:18,698 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:03:18,698 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:03:18,698 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:03:18,698 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:03:18,698 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:03:18,698 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:03:18,699 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:03:18,699 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:03:18,699 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 11:03:18,699 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:03:18,700 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-21 11:03:18,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:03:18,703 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:03:18,703 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:03:18,703 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:03:18,703 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:03:18,704 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:03:18,704 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:03:18,704 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:03:18,704 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:03:18,705 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:03:18,705 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:03:18,705 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 11:03:18,706 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:03:18,708 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-09-21 11:03:18,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:03:18,710 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:03:18,710 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:03:18,711 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:03:18,711 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:03:18,711 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:03:18,712 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:03:18,712 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 11:03:18,712 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:03:18,713 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:03:18,713 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:03:18,713 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 11:03:18,714 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:03:18,729 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2020-09-21 11:03:18,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:03:18,732 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:03:18,732 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:03:18,733 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:03:18,733 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:03:18,733 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:03:18,734 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:03:18,734 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 11:03:18,735 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:03:18,735 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:03:18,735 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:03:18,736 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 11:03:18,736 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:03:18,755 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-09-21 11:03:18,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:03:18,759 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:03:18,761 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:03:18,762 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:03:18,762 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:03:18,762 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-21 11:03:18,763 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:03:18,763 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-21 11:03:18,763 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:03:18,764 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:03:18,764 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:03:18,764 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-09-21 11:03:18,765 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:03:18,768 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2020-09-21 11:03:18,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:03:18,771 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:03:18,771 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:03:18,771 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:03:18,772 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:03:18,772 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:03:18,772 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:03:18,772 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 11:03:18,773 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:03:18,773 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:03:18,773 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:03:18,774 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 11:03:18,774 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:03:18,776 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2020-09-21 11:03:18,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:03:18,782 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:03:18,782 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:03:18,782 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:03:18,783 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:03:18,783 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:03:18,783 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:03:18,784 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-21 11:03:18,784 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:03:18,784 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-21 11:03:18,785 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:03:18,785 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 11:03:18,785 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:03:18,821 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-21 11:03:18,822 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [885516324] [2020-09-21 11:03:18,822 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-21 11:03:18,822 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-09-21 11:03:18,823 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [858635384] [2020-09-21 11:03:18,825 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-09-21 11:03:18,825 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 11:03:18,826 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-09-21 11:03:18,827 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2020-09-21 11:03:18,827 INFO L87 Difference]: Start difference. First operand 285 states and 348 transitions. Second operand 9 states. [2020-09-21 11:03:19,452 WARN L193 SmtUtils]: Spent 273.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-21 11:03:20,471 WARN L193 SmtUtils]: Spent 278.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 11:03:20,808 WARN L193 SmtUtils]: Spent 277.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-21 11:03:21,133 WARN L193 SmtUtils]: Spent 281.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-21 11:03:21,529 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 11:03:21,529 INFO L93 Difference]: Finished difference Result 522 states and 674 transitions. [2020-09-21 11:03:21,530 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-09-21 11:03:21,530 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 61 [2020-09-21 11:03:21,530 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 11:03:21,531 INFO L225 Difference]: With dead ends: 522 [2020-09-21 11:03:21,531 INFO L226 Difference]: Without dead ends: 0 [2020-09-21 11:03:21,533 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 20 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=74, Invalid=166, Unknown=0, NotChecked=0, Total=240 [2020-09-21 11:03:21,533 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-09-21 11:03:21,534 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-09-21 11:03:21,534 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-09-21 11:03:21,534 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-09-21 11:03:21,534 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 61 [2020-09-21 11:03:21,534 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 11:03:21,534 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-09-21 11:03:21,534 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-09-21 11:03:21,534 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-09-21 11:03:21,535 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-09-21 11:03:21,535 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-09-21 11:03:21,537 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-09-21 11:03:21,725 WARN L193 SmtUtils]: Spent 177.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-21 11:03:21,897 WARN L193 SmtUtils]: Spent 158.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-21 11:03:22,049 WARN L193 SmtUtils]: Spent 150.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-21 11:03:22,210 WARN L193 SmtUtils]: Spent 160.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 11:03:22,368 WARN L193 SmtUtils]: Spent 154.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-21 11:03:22,531 WARN L193 SmtUtils]: Spent 158.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-21 11:03:22,690 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-21 11:03:22,854 WARN L193 SmtUtils]: Spent 162.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 11:03:23,018 WARN L193 SmtUtils]: Spent 159.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 11:03:23,178 WARN L193 SmtUtils]: Spent 155.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-21 11:03:23,361 WARN L193 SmtUtils]: Spent 182.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 11:03:23,515 WARN L193 SmtUtils]: Spent 150.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-21 11:03:23,666 WARN L193 SmtUtils]: Spent 148.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-21 11:03:23,826 WARN L193 SmtUtils]: Spent 149.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-21 11:03:23,981 WARN L193 SmtUtils]: Spent 149.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-21 11:03:24,126 WARN L193 SmtUtils]: Spent 143.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-21 11:03:24,281 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 11:03:24,435 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 11:03:24,606 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-21 11:03:24,755 WARN L193 SmtUtils]: Spent 146.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-21 11:03:24,924 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 11:03:25,178 WARN L193 SmtUtils]: Spent 250.00 ms on a formula simplification. DAG size of input: 190 DAG size of output: 187 [2020-09-21 11:03:25,419 WARN L193 SmtUtils]: Spent 238.00 ms on a formula simplification. DAG size of input: 189 DAG size of output: 186 [2020-09-21 11:03:25,767 WARN L193 SmtUtils]: Spent 345.00 ms on a formula simplification. DAG size of input: 194 DAG size of output: 190 [2020-09-21 11:03:26,112 WARN L193 SmtUtils]: Spent 342.00 ms on a formula simplification. DAG size of input: 194 DAG size of output: 190 [2020-09-21 11:03:26,359 WARN L193 SmtUtils]: Spent 245.00 ms on a formula simplification. DAG size of input: 190 DAG size of output: 187 [2020-09-21 11:03:26,610 WARN L193 SmtUtils]: Spent 249.00 ms on a formula simplification. DAG size of input: 193 DAG size of output: 189 [2020-09-21 11:03:26,944 WARN L193 SmtUtils]: Spent 333.00 ms on a formula simplification. DAG size of input: 194 DAG size of output: 190 [2020-09-21 11:03:27,083 WARN L193 SmtUtils]: Spent 137.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-21 11:03:27,234 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-21 11:03:27,379 WARN L193 SmtUtils]: Spent 142.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-21 11:03:27,538 WARN L193 SmtUtils]: Spent 157.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 11:03:27,691 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 11:03:27,839 WARN L193 SmtUtils]: Spent 146.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-21 11:03:27,988 WARN L193 SmtUtils]: Spent 148.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-21 11:03:28,141 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 11:03:28,293 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 11:03:28,437 WARN L193 SmtUtils]: Spent 142.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-21 11:03:28,584 WARN L193 SmtUtils]: Spent 146.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-21 11:03:28,736 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-21 11:03:28,889 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 11:03:29,041 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 11:03:29,184 WARN L193 SmtUtils]: Spent 142.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-21 11:03:29,332 WARN L193 SmtUtils]: Spent 146.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-21 11:03:29,484 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 11:03:29,631 WARN L193 SmtUtils]: Spent 146.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-21 11:03:29,786 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 11:03:29,939 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 11:03:30,092 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 11:03:30,240 WARN L193 SmtUtils]: Spent 146.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-21 11:03:30,394 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 11:03:30,537 WARN L193 SmtUtils]: Spent 142.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-21 11:03:30,684 WARN L193 SmtUtils]: Spent 146.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-21 11:03:30,832 WARN L193 SmtUtils]: Spent 146.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-21 11:03:31,009 WARN L193 SmtUtils]: Spent 175.00 ms on a formula simplification. DAG size of input: 209 DAG size of output: 6 [2020-09-21 11:03:31,185 WARN L193 SmtUtils]: Spent 153.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 11:03:31,376 WARN L193 SmtUtils]: Spent 190.00 ms on a formula simplification. DAG size of input: 209 DAG size of output: 6 [2020-09-21 11:03:31,529 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 11:03:31,718 WARN L193 SmtUtils]: Spent 187.00 ms on a formula simplification. DAG size of input: 209 DAG size of output: 6 [2020-09-21 11:03:31,882 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 11:03:32,045 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 11:03:32,189 WARN L193 SmtUtils]: Spent 142.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-21 11:03:32,336 WARN L193 SmtUtils]: Spent 146.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-21 11:03:32,493 WARN L193 SmtUtils]: Spent 146.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-21 11:03:32,645 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 11:03:32,820 WARN L193 SmtUtils]: Spent 172.00 ms on a formula simplification. DAG size of input: 209 DAG size of output: 6 [2020-09-21 11:03:33,074 WARN L193 SmtUtils]: Spent 245.00 ms on a formula simplification. DAG size of input: 190 DAG size of output: 187 [2020-09-21 11:03:33,218 WARN L193 SmtUtils]: Spent 142.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-21 11:03:33,480 WARN L193 SmtUtils]: Spent 260.00 ms on a formula simplification. DAG size of input: 195 DAG size of output: 190 [2020-09-21 11:03:33,742 WARN L193 SmtUtils]: Spent 260.00 ms on a formula simplification. DAG size of input: 195 DAG size of output: 190 [2020-09-21 11:03:33,987 WARN L193 SmtUtils]: Spent 243.00 ms on a formula simplification. DAG size of input: 190 DAG size of output: 187 [2020-09-21 11:03:34,335 WARN L193 SmtUtils]: Spent 347.00 ms on a formula simplification. DAG size of input: 193 DAG size of output: 189 [2020-09-21 11:03:34,597 WARN L193 SmtUtils]: Spent 261.00 ms on a formula simplification. DAG size of input: 195 DAG size of output: 190 [2020-09-21 11:03:34,769 WARN L193 SmtUtils]: Spent 170.00 ms on a formula simplification. DAG size of input: 209 DAG size of output: 6 [2020-09-21 11:03:34,922 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 11:03:35,077 WARN L193 SmtUtils]: Spent 146.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-21 11:03:35,229 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 11:03:35,372 WARN L193 SmtUtils]: Spent 142.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-21 11:03:35,522 WARN L193 SmtUtils]: Spent 146.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-21 11:03:35,680 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 11:03:35,828 WARN L193 SmtUtils]: Spent 146.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-21 11:03:35,981 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 11:03:36,134 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 11:03:36,285 WARN L193 SmtUtils]: Spent 149.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-21 11:03:36,435 WARN L193 SmtUtils]: Spent 148.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-21 11:03:36,578 WARN L193 SmtUtils]: Spent 142.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-21 11:03:36,732 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 11:03:36,885 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 11:03:37,299 WARN L193 SmtUtils]: Spent 409.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 7 [2020-09-21 11:03:37,717 WARN L193 SmtUtils]: Spent 414.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 7 [2020-09-21 11:03:37,890 WARN L193 SmtUtils]: Spent 171.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 22 [2020-09-21 11:03:38,088 WARN L193 SmtUtils]: Spent 194.00 ms on a formula simplification. DAG size of input: 140 DAG size of output: 1 [2020-09-21 11:03:38,286 WARN L193 SmtUtils]: Spent 195.00 ms on a formula simplification. DAG size of input: 140 DAG size of output: 1 [2020-09-21 11:03:38,535 WARN L193 SmtUtils]: Spent 215.00 ms on a formula simplification. DAG size of input: 138 DAG size of output: 8 [2020-09-21 11:03:38,751 WARN L193 SmtUtils]: Spent 203.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 22 [2020-09-21 11:03:39,159 WARN L193 SmtUtils]: Spent 404.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 11 [2020-09-21 11:03:39,415 WARN L193 SmtUtils]: Spent 253.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-21 11:03:39,728 WARN L193 SmtUtils]: Spent 303.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 11 [2020-09-21 11:03:39,921 WARN L193 SmtUtils]: Spent 181.00 ms on a formula simplification. DAG size of input: 134 DAG size of output: 1 [2020-09-21 11:03:40,333 WARN L193 SmtUtils]: Spent 407.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 8 [2020-09-21 11:03:40,761 WARN L193 SmtUtils]: Spent 414.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 8 [2020-09-21 11:03:41,030 WARN L193 SmtUtils]: Spent 237.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 22 [2020-09-21 11:03:41,262 WARN L193 SmtUtils]: Spent 217.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 22 [2020-09-21 11:03:41,513 WARN L193 SmtUtils]: Spent 222.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 22 [2020-09-21 11:03:41,766 WARN L193 SmtUtils]: Spent 205.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 22 [2020-09-21 11:03:41,962 WARN L193 SmtUtils]: Spent 191.00 ms on a formula simplification. DAG size of input: 140 DAG size of output: 1 [2020-09-21 11:03:42,357 WARN L193 SmtUtils]: Spent 378.00 ms on a formula simplification. DAG size of input: 144 DAG size of output: 11 [2020-09-21 11:03:42,596 WARN L193 SmtUtils]: Spent 206.00 ms on a formula simplification. DAG size of input: 140 DAG size of output: 1 [2020-09-21 11:03:42,837 WARN L193 SmtUtils]: Spent 225.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 22 [2020-09-21 11:03:43,257 WARN L193 SmtUtils]: Spent 416.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 11 [2020-09-21 11:03:43,480 WARN L193 SmtUtils]: Spent 222.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 22 [2020-09-21 11:03:43,486 INFO L268 CegarLoopResult]: For program point L601(lines 601 605) no Hoare annotation was computed. [2020-09-21 11:03:43,487 INFO L268 CegarLoopResult]: For program point L601-1(lines 601 605) no Hoare annotation was computed. [2020-09-21 11:03:43,487 INFO L268 CegarLoopResult]: For program point L596(line 596) no Hoare annotation was computed. [2020-09-21 11:03:43,487 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeFINAL(lines 570 625) no Hoare annotation was computed. [2020-09-21 11:03:43,487 INFO L268 CegarLoopResult]: For program point L595-2(lines 595 616) no Hoare annotation was computed. [2020-09-21 11:03:43,487 INFO L268 CegarLoopResult]: For program point L617(lines 594 618) no Hoare annotation was computed. [2020-09-21 11:03:43,488 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeEXIT(lines 570 625) no Hoare annotation was computed. [2020-09-21 11:03:43,488 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeENTRY(lines 570 625) no Hoare annotation was computed. [2020-09-21 11:03:43,488 INFO L268 CegarLoopResult]: For program point L671(line 671) no Hoare annotation was computed. [2020-09-21 11:03:43,488 INFO L268 CegarLoopResult]: For program point L671-1(line 671) no Hoare annotation was computed. [2020-09-21 11:03:43,488 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetFINAL(lines 626 685) no Hoare annotation was computed. [2020-09-21 11:03:43,488 INFO L268 CegarLoopResult]: For program point L658(lines 658 662) no Hoare annotation was computed. [2020-09-21 11:03:43,489 INFO L268 CegarLoopResult]: For program point L658-1(lines 658 662) no Hoare annotation was computed. [2020-09-21 11:03:43,489 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetENTRY(lines 626 685) no Hoare annotation was computed. [2020-09-21 11:03:43,489 INFO L268 CegarLoopResult]: For program point L653(line 653) no Hoare annotation was computed. [2020-09-21 11:03:43,489 INFO L268 CegarLoopResult]: For program point L652-2(lines 652 677) no Hoare annotation was computed. [2020-09-21 11:03:43,489 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetEXIT(lines 626 685) no Hoare annotation was computed. [2020-09-21 11:03:43,489 INFO L268 CegarLoopResult]: For program point L678(lines 651 679) no Hoare annotation was computed. [2020-09-21 11:03:43,489 INFO L271 CegarLoopResult]: At program point select_helpersFINAL(lines 405 411) the Hoare annotation is: true [2020-09-21 11:03:43,490 INFO L268 CegarLoopResult]: For program point select_helpersEXIT(lines 405 411) no Hoare annotation was computed. [2020-09-21 11:03:43,490 INFO L268 CegarLoopResult]: For program point valid_productEXIT(lines 412 420) no Hoare annotation was computed. [2020-09-21 11:03:43,490 INFO L271 CegarLoopResult]: At program point valid_productENTRY(lines 412 420) the Hoare annotation is: true [2020-09-21 11:03:43,490 INFO L268 CegarLoopResult]: For program point valid_productFINAL(lines 412 420) no Hoare annotation was computed. [2020-09-21 11:03:43,490 INFO L264 CegarLoopResult]: At program point mainENTRY(lines 494 516) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2020-09-21 11:03:43,490 INFO L264 CegarLoopResult]: At program point L506(line 506) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2020-09-21 11:03:43,491 INFO L264 CegarLoopResult]: At program point L506-1(line 506) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2020-09-21 11:03:43,491 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 494 516) no Hoare annotation was computed. [2020-09-21 11:03:43,491 INFO L268 CegarLoopResult]: For program point L504(lines 504 511) no Hoare annotation was computed. [2020-09-21 11:03:43,491 INFO L268 CegarLoopResult]: For program point L504-1(lines 504 511) no Hoare annotation was computed. [2020-09-21 11:03:43,491 INFO L268 CegarLoopResult]: For program point L502(line 502) no Hoare annotation was computed. [2020-09-21 11:03:43,491 INFO L264 CegarLoopResult]: At program point L501(line 501) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2020-09-21 11:03:43,491 INFO L264 CegarLoopResult]: At program point L500(line 500) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2020-09-21 11:03:43,492 INFO L264 CegarLoopResult]: At program point L500-1(line 500) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2020-09-21 11:03:43,492 INFO L268 CegarLoopResult]: For program point mainFINAL(lines 494 516) no Hoare annotation was computed. [2020-09-21 11:03:43,492 INFO L268 CegarLoopResult]: For program point Specification2EXIT(lines 453 476) no Hoare annotation was computed. [2020-09-21 11:03:43,492 INFO L268 CegarLoopResult]: For program point Specification2ENTRY(lines 453 476) no Hoare annotation was computed. [2020-09-21 11:03:43,492 INFO L268 CegarLoopResult]: For program point Specification2FINAL(lines 453 476) no Hoare annotation was computed. [2020-09-21 11:03:43,492 INFO L268 CegarLoopResult]: For program point L471(line 471) no Hoare annotation was computed. [2020-09-21 11:03:43,492 INFO L268 CegarLoopResult]: For program point L470(line 470) no Hoare annotation was computed. [2020-09-21 11:03:43,492 INFO L268 CegarLoopResult]: For program point L469(line 469) no Hoare annotation was computed. [2020-09-21 11:03:43,493 INFO L268 CegarLoopResult]: For program point L468(line 468) no Hoare annotation was computed. [2020-09-21 11:03:43,493 INFO L268 CegarLoopResult]: For program point L467(line 467) no Hoare annotation was computed. [2020-09-21 11:03:43,493 INFO L268 CegarLoopResult]: For program point L466(line 466) no Hoare annotation was computed. [2020-09-21 11:03:43,493 INFO L268 CegarLoopResult]: For program point L465(line 465) no Hoare annotation was computed. [2020-09-21 11:03:43,493 INFO L268 CegarLoopResult]: For program point L464(line 464) no Hoare annotation was computed. [2020-09-21 11:03:43,493 INFO L268 CegarLoopResult]: For program point L463(line 463) no Hoare annotation was computed. [2020-09-21 11:03:43,493 INFO L268 CegarLoopResult]: For program point L462(line 462) no Hoare annotation was computed. [2020-09-21 11:03:43,493 INFO L268 CegarLoopResult]: For program point L461(line 461) no Hoare annotation was computed. [2020-09-21 11:03:43,493 INFO L268 CegarLoopResult]: For program point L460(line 460) no Hoare annotation was computed. [2020-09-21 11:03:43,494 INFO L268 CegarLoopResult]: For program point L459(line 459) no Hoare annotation was computed. [2020-09-21 11:03:43,494 INFO L268 CegarLoopResult]: For program point L458(line 458) no Hoare annotation was computed. [2020-09-21 11:03:43,494 INFO L268 CegarLoopResult]: For program point stopSystemEXIT(lines 300 314) no Hoare annotation was computed. [2020-09-21 11:03:43,494 INFO L268 CegarLoopResult]: For program point L304(lines 304 310) no Hoare annotation was computed. [2020-09-21 11:03:43,494 INFO L264 CegarLoopResult]: At program point stopSystemENTRY(lines 300 314) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (and (= |old(~systemActive~0)| ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|))) [2020-09-21 11:03:43,494 INFO L268 CegarLoopResult]: For program point stopSystemFINAL(lines 300 314) no Hoare annotation was computed. [2020-09-21 11:03:43,494 INFO L264 CegarLoopResult]: At program point L306(line 306) the Hoare annotation is: (not (= |old(~pumpRunning~0)| 0)) [2020-09-21 11:03:43,494 INFO L268 CegarLoopResult]: For program point isPumpRunningEXIT(lines 255 263) no Hoare annotation was computed. [2020-09-21 11:03:43,495 INFO L271 CegarLoopResult]: At program point isPumpRunningENTRY(lines 255 263) the Hoare annotation is: true [2020-09-21 11:03:43,495 INFO L268 CegarLoopResult]: For program point isPumpRunningFINAL(lines 255 263) no Hoare annotation was computed. [2020-09-21 11:03:43,495 INFO L268 CegarLoopResult]: For program point L283(lines 283 291) no Hoare annotation was computed. [2020-09-21 11:03:43,495 INFO L268 CegarLoopResult]: For program point L283-2(lines 283 291) no Hoare annotation was computed. [2020-09-21 11:03:43,495 INFO L268 CegarLoopResult]: For program point L271(lines 271 279) no Hoare annotation was computed. [2020-09-21 11:03:43,495 INFO L268 CegarLoopResult]: For program point printPumpFINAL(lines 264 299) no Hoare annotation was computed. [2020-09-21 11:03:43,495 INFO L268 CegarLoopResult]: For program point L271-2(lines 271 279) no Hoare annotation was computed. [2020-09-21 11:03:43,495 INFO L268 CegarLoopResult]: For program point printPumpENTRY(lines 264 299) no Hoare annotation was computed. [2020-09-21 11:03:43,495 INFO L268 CegarLoopResult]: For program point L294(line 294) no Hoare annotation was computed. [2020-09-21 11:03:43,495 INFO L268 CegarLoopResult]: For program point L294-1(line 294) no Hoare annotation was computed. [2020-09-21 11:03:43,495 INFO L268 CegarLoopResult]: For program point printPumpEXIT(lines 264 299) no Hoare annotation was computed. [2020-09-21 11:03:43,495 INFO L268 CegarLoopResult]: For program point select_featuresEXIT(lines 398 404) no Hoare annotation was computed. [2020-09-21 11:03:43,496 INFO L271 CegarLoopResult]: At program point select_featuresFINAL(lines 398 404) the Hoare annotation is: true [2020-09-21 11:03:43,496 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setENTRY(lines 524 569) no Hoare annotation was computed. [2020-09-21 11:03:43,496 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setEXIT(lines 524 569) no Hoare annotation was computed. [2020-09-21 11:03:43,496 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setFINAL(lines 524 569) no Hoare annotation was computed. [2020-09-21 11:03:43,496 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeFINAL(lines 837 882) no Hoare annotation was computed. [2020-09-21 11:03:43,496 INFO L268 CegarLoopResult]: For program point L857(lines 857 864) no Hoare annotation was computed. [2020-09-21 11:03:43,496 INFO L268 CegarLoopResult]: For program point L851(lines 851 871) no Hoare annotation was computed. [2020-09-21 11:03:43,496 INFO L268 CegarLoopResult]: For program point L851-1(lines 851 871) no Hoare annotation was computed. [2020-09-21 11:03:43,496 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeENTRY(lines 837 882) no Hoare annotation was computed. [2020-09-21 11:03:43,496 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeEXIT(lines 837 882) no Hoare annotation was computed. [2020-09-21 11:03:43,497 INFO L264 CegarLoopResult]: At program point runTestENTRY(lines 484 493) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2020-09-21 11:03:43,497 INFO L268 CegarLoopResult]: For program point runTestEXIT(lines 484 493) no Hoare annotation was computed. [2020-09-21 11:03:43,497 INFO L268 CegarLoopResult]: For program point runTestFINAL(lines 484 493) no Hoare annotation was computed. [2020-09-21 11:03:43,497 INFO L271 CegarLoopResult]: At program point isMethaneAlarmENTRY(lines 244 254) the Hoare annotation is: true [2020-09-21 11:03:43,497 INFO L268 CegarLoopResult]: For program point isMethaneAlarmEXIT(lines 244 254) no Hoare annotation was computed. [2020-09-21 11:03:43,497 INFO L271 CegarLoopResult]: At program point L249(line 249) the Hoare annotation is: true [2020-09-21 11:03:43,497 INFO L268 CegarLoopResult]: For program point L249-1(line 249) no Hoare annotation was computed. [2020-09-21 11:03:43,497 INFO L268 CegarLoopResult]: For program point isMethaneAlarmFINAL(lines 244 254) no Hoare annotation was computed. [2020-09-21 11:03:43,497 INFO L271 CegarLoopResult]: At program point deactivatePumpENTRY(lines 236 243) the Hoare annotation is: true [2020-09-21 11:03:43,497 INFO L268 CegarLoopResult]: For program point deactivatePumpEXIT(lines 236 243) no Hoare annotation was computed. [2020-09-21 11:03:43,497 INFO L268 CegarLoopResult]: For program point deactivatePumpFINAL(lines 236 243) no Hoare annotation was computed. [2020-09-21 11:03:43,497 INFO L264 CegarLoopResult]: At program point L222(line 222) the Hoare annotation is: (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (= |old(~pumpRunning~0)| 0))) [2020-09-21 11:03:43,497 INFO L268 CegarLoopResult]: For program point L222-1(lines 203 227) no Hoare annotation was computed. [2020-09-21 11:03:43,498 INFO L264 CegarLoopResult]: At program point L217(line 217) the Hoare annotation is: (not (= |old(~pumpRunning~0)| 0)) [2020-09-21 11:03:43,498 INFO L268 CegarLoopResult]: For program point processEnvironmentEXIT(lines 203 227) no Hoare annotation was computed. [2020-09-21 11:03:43,498 INFO L264 CegarLoopResult]: At program point L213(line 213) the Hoare annotation is: (not (= |old(~pumpRunning~0)| 0)) [2020-09-21 11:03:43,498 INFO L264 CegarLoopResult]: At program point processEnvironmentENTRY(lines 203 227) the Hoare annotation is: (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (= |old(~pumpRunning~0)| 0))) [2020-09-21 11:03:43,498 INFO L268 CegarLoopResult]: For program point L211(lines 211 219) no Hoare annotation was computed. [2020-09-21 11:03:43,498 INFO L264 CegarLoopResult]: At program point L209(line 209) the Hoare annotation is: (not (= |old(~pumpRunning~0)| 0)) [2020-09-21 11:03:43,498 INFO L268 CegarLoopResult]: For program point L209-1(line 209) no Hoare annotation was computed. [2020-09-21 11:03:43,498 INFO L268 CegarLoopResult]: For program point L207(lines 207 224) no Hoare annotation was computed. [2020-09-21 11:03:43,498 INFO L268 CegarLoopResult]: For program point processEnvironment__wrappee__baseEXIT(lines 195 201) no Hoare annotation was computed. [2020-09-21 11:03:43,498 INFO L271 CegarLoopResult]: At program point processEnvironment__wrappee__baseFINAL(lines 195 201) the Hoare annotation is: true [2020-09-21 11:03:43,499 INFO L264 CegarLoopResult]: At program point testENTRY(lines 317 382) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2020-09-21 11:03:43,499 INFO L264 CegarLoopResult]: At program point L349(line 349) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (<= test_~splverifierCounter~0 0) (= ~pumpRunning~0 0))) [2020-09-21 11:03:43,499 INFO L268 CegarLoopResult]: For program point L347(lines 347 353) no Hoare annotation was computed. [2020-09-21 11:03:43,499 INFO L268 CegarLoopResult]: For program point L347-1(lines 347 353) no Hoare annotation was computed. [2020-09-21 11:03:43,499 INFO L268 CegarLoopResult]: For program point testFINAL(lines 317 382) no Hoare annotation was computed. [2020-09-21 11:03:43,499 INFO L264 CegarLoopResult]: At program point L372(lines 327 374) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (<= test_~splverifierCounter~0 0) (= ~pumpRunning~0 0))) [2020-09-21 11:03:43,499 INFO L264 CegarLoopResult]: At program point L339(line 339) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (<= test_~splverifierCounter~0 0) (= ~pumpRunning~0 0))) [2020-09-21 11:03:43,499 INFO L268 CegarLoopResult]: For program point L337(lines 337 343) no Hoare annotation was computed. [2020-09-21 11:03:43,499 INFO L268 CegarLoopResult]: For program point L337-1(lines 337 343) no Hoare annotation was computed. [2020-09-21 11:03:43,499 INFO L268 CegarLoopResult]: For program point L329(lines 329 333) no Hoare annotation was computed. [2020-09-21 11:03:43,499 INFO L264 CegarLoopResult]: At program point L375(lines 326 376) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2020-09-21 11:03:43,500 INFO L264 CegarLoopResult]: At program point L365(line 365) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (<= test_~splverifierCounter~0 0) (= ~pumpRunning~0 0))) [2020-09-21 11:03:43,500 INFO L268 CegarLoopResult]: For program point L363(lines 363 369) no Hoare annotation was computed. [2020-09-21 11:03:43,500 INFO L264 CegarLoopResult]: At program point L363-1(lines 357 370) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (<= test_~splverifierCounter~0 0) (= ~pumpRunning~0 0))) [2020-09-21 11:03:43,500 INFO L268 CegarLoopResult]: For program point L328(lines 327 374) no Hoare annotation was computed. [2020-09-21 11:03:43,500 INFO L268 CegarLoopResult]: For program point L357(lines 357 370) no Hoare annotation was computed. [2020-09-21 11:03:43,500 INFO L268 CegarLoopResult]: For program point testEXIT(lines 317 382) no Hoare annotation was computed. [2020-09-21 11:03:43,500 INFO L268 CegarLoopResult]: For program point __utac__get_this_argENTRY(lines 791 836) no Hoare annotation was computed. [2020-09-21 11:03:43,500 INFO L268 CegarLoopResult]: For program point __utac__get_this_argEXIT(lines 791 836) no Hoare annotation was computed. [2020-09-21 11:03:43,500 INFO L268 CegarLoopResult]: For program point __utac__get_this_argFINAL(lines 791 836) no Hoare annotation was computed. [2020-09-21 11:03:43,500 INFO L268 CegarLoopResult]: For program point L811(lines 811 818) no Hoare annotation was computed. [2020-09-21 11:03:43,500 INFO L268 CegarLoopResult]: For program point L805(lines 805 825) no Hoare annotation was computed. [2020-09-21 11:03:43,500 INFO L268 CegarLoopResult]: For program point L805-1(lines 805 825) no Hoare annotation was computed. [2020-09-21 11:03:43,500 INFO L268 CegarLoopResult]: For program point printEnvironmentEXIT(lines 93 115) no Hoare annotation was computed. [2020-09-21 11:03:43,501 INFO L268 CegarLoopResult]: For program point printEnvironmentENTRY(lines 93 115) no Hoare annotation was computed. [2020-09-21 11:03:43,501 INFO L268 CegarLoopResult]: For program point L101(lines 101 109) no Hoare annotation was computed. [2020-09-21 11:03:43,501 INFO L268 CegarLoopResult]: For program point printEnvironmentFINAL(lines 93 115) no Hoare annotation was computed. [2020-09-21 11:03:43,501 INFO L268 CegarLoopResult]: For program point L101-2(lines 101 109) no Hoare annotation was computed. [2020-09-21 11:03:43,501 INFO L268 CegarLoopResult]: For program point select_oneENTRY(lines 388 397) no Hoare annotation was computed. [2020-09-21 11:03:43,501 INFO L268 CegarLoopResult]: For program point select_oneFINAL(lines 388 397) no Hoare annotation was computed. [2020-09-21 11:03:43,501 INFO L268 CegarLoopResult]: For program point select_oneEXIT(lines 388 397) no Hoare annotation was computed. [2020-09-21 11:03:43,501 INFO L268 CegarLoopResult]: For program point L737-2(lines 737 757) no Hoare annotation was computed. [2020-09-21 11:03:43,501 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtENTRY(lines 688 790) no Hoare annotation was computed. [2020-09-21 11:03:43,501 INFO L268 CegarLoopResult]: For program point L758(lines 736 759) no Hoare annotation was computed. [2020-09-21 11:03:43,501 INFO L268 CegarLoopResult]: For program point L717(lines 717 733) no Hoare annotation was computed. [2020-09-21 11:03:43,501 INFO L268 CegarLoopResult]: For program point L777(lines 777 784) no Hoare annotation was computed. [2020-09-21 11:03:43,501 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtFINAL(lines 688 790) no Hoare annotation was computed. [2020-09-21 11:03:43,501 INFO L268 CegarLoopResult]: For program point L738(lines 737 757) no Hoare annotation was computed. [2020-09-21 11:03:43,502 INFO L268 CegarLoopResult]: For program point L769(line 769) no Hoare annotation was computed. [2020-09-21 11:03:43,502 INFO L268 CegarLoopResult]: For program point L769-1(line 769) no Hoare annotation was computed. [2020-09-21 11:03:43,502 INFO L268 CegarLoopResult]: For program point L734(lines 734 775) no Hoare annotation was computed. [2020-09-21 11:03:43,502 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtEXIT(lines 688 790) no Hoare annotation was computed. [2020-09-21 11:03:43,502 INFO L268 CegarLoopResult]: For program point L753(line 753) no Hoare annotation was computed. [2020-09-21 11:03:43,502 INFO L268 CegarLoopResult]: For program point L753-1(line 753) no Hoare annotation was computed. [2020-09-21 11:03:43,502 INFO L268 CegarLoopResult]: For program point L712(lines 712 716) no Hoare annotation was computed. [2020-09-21 11:03:43,502 INFO L268 CegarLoopResult]: For program point L776(lines 776 787) no Hoare annotation was computed. [2020-09-21 11:03:43,502 INFO L268 CegarLoopResult]: For program point L739(lines 739 743) no Hoare annotation was computed. [2020-09-21 11:03:43,502 INFO L268 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-09-21 11:03:43,502 INFO L264 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= |#t~string67.offset| |old(#t~string67.offset)|) (= |#t~string65.base| |old(#t~string65.base)|) (= |#t~string5.offset| |old(#t~string5.offset)|) (= |old(#length)| |#length|) (= |#t~string29.offset| |old(#t~string29.offset)|) (= |#t~string3.offset| |old(#t~string3.offset)|) (= |#t~string56.base| |old(#t~string56.base)|) (= |#t~string58.base| |old(#t~string58.base)|) (= |old(#valid)| |#valid|) (= |#t~string17.offset| |old(#t~string17.offset)|) (= |#t~string66.offset| |old(#t~string66.offset)|) (= |#t~string21.base| |old(#t~string21.base)|) (= |#t~string7.base| |old(#t~string7.base)|) (= ~head~0.base |old(~head~0.base)|) (= |#t~string55.base| |old(#t~string55.base)|) (= |#t~string25.base| |old(#t~string25.base)|) (= |#t~string15.base| |old(#t~string15.base)|) (= |#t~string27.offset| |old(#t~string27.offset)|) (= |#t~string19.offset| |old(#t~string19.offset)|) (= |#t~string65.offset| |old(#t~string65.offset)|) (= |#t~string64.base| |old(#t~string64.base)|) (= |#t~string67.base| |old(#t~string67.base)|) (= |#t~string29.base| |old(#t~string29.base)|) (= |#t~string21.offset| |old(#t~string21.offset)|) (= ~systemActive~0 |old(~systemActive~0)|) (= ~methaneLevelCritical~0 |old(~methaneLevelCritical~0)|) (= |#t~string63.base| |old(#t~string63.base)|) (= |#t~string15.offset| |old(#t~string15.offset)|) (= |#t~string23.offset| |old(#t~string23.offset)|) (= ~head~0.offset |old(~head~0.offset)|) (= |#t~string25.offset| |old(#t~string25.offset)|) (= |#t~string66.base| |old(#t~string66.base)|) (= |#t~string27.base| |old(#t~string27.base)|) (= |#t~string56.offset| |old(#t~string56.offset)|) (= |#t~string58.offset| |old(#t~string58.offset)|) (= |#t~string68.offset| |old(#t~string68.offset)|) (= |#t~string54.offset| |old(#t~string54.offset)|) (= |#t~string64.offset| |old(#t~string64.offset)|) (= |#t~string19.base| |old(#t~string19.base)|) (= |#t~string57.offset| |old(#t~string57.offset)|) (= |#t~string57.base| |old(#t~string57.base)|) (= |#t~string3.base| |old(#t~string3.base)|) (= |#t~string17.base| |old(#t~string17.base)|) (= |#t~string5.base| |old(#t~string5.base)|) (= |#t~string23.base| |old(#t~string23.base)|) (= |#t~string68.base| |old(#t~string68.base)|) (= |#t~string1.base| |old(#t~string1.base)|) (= |#t~string54.base| |old(#t~string54.base)|) (= |#NULL.base| |old(#NULL.base)|) (= ~waterLevel~0 |old(~waterLevel~0)|) (= |#t~string9.offset| |old(#t~string9.offset)|) (= |#t~string63.offset| |old(#t~string63.offset)|) (= ~cleanupTimeShifts~0 |old(~cleanupTimeShifts~0)|) (= |#t~string9.base| |old(#t~string9.base)|) (= |#t~string7.offset| |old(#t~string7.offset)|) (= |#t~string59.base| |old(#t~string59.base)|) (= |#t~string55.offset| |old(#t~string55.offset)|) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |#t~string59.offset| |old(#t~string59.offset)|) (= |#NULL.offset| |old(#NULL.offset)|) (= |#t~string1.offset| |old(#t~string1.offset)|)) [2020-09-21 11:03:43,503 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-09-21 11:03:43,503 INFO L268 CegarLoopResult]: For program point activatePumpFINAL(lines 228 235) no Hoare annotation was computed. [2020-09-21 11:03:43,503 INFO L268 CegarLoopResult]: For program point activatePumpEXIT(lines 228 235) no Hoare annotation was computed. [2020-09-21 11:03:43,503 INFO L268 CegarLoopResult]: For program point activatePumpENTRY(lines 228 235) no Hoare annotation was computed. [2020-09-21 11:03:43,503 INFO L268 CegarLoopResult]: For program point getWaterLevelENTRY(lines 116 124) no Hoare annotation was computed. [2020-09-21 11:03:43,503 INFO L268 CegarLoopResult]: For program point getWaterLevelFINAL(lines 116 124) no Hoare annotation was computed. [2020-09-21 11:03:43,503 INFO L268 CegarLoopResult]: For program point getWaterLevelEXIT(lines 116 124) no Hoare annotation was computed. [2020-09-21 11:03:43,503 INFO L264 CegarLoopResult]: At program point changeMethaneLevelENTRY(lines 72 83) the Hoare annotation is: (or (not (= ~pumpRunning~0 0)) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) [2020-09-21 11:03:43,503 INFO L268 CegarLoopResult]: For program point L76-1(lines 72 83) no Hoare annotation was computed. [2020-09-21 11:03:43,503 INFO L268 CegarLoopResult]: For program point changeMethaneLevelEXIT(lines 72 83) no Hoare annotation was computed. [2020-09-21 11:03:43,503 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intEXIT(line -1) no Hoare annotation was computed. [2020-09-21 11:03:43,503 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intENTRY(line -1) no Hoare annotation was computed. [2020-09-21 11:03:43,503 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intFINAL(line -1) no Hoare annotation was computed. [2020-09-21 11:03:43,504 INFO L271 CegarLoopResult]: At program point isMethaneLevelCriticalENTRY(lines 84 92) the Hoare annotation is: true [2020-09-21 11:03:43,504 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalFINAL(lines 84 92) no Hoare annotation was computed. [2020-09-21 11:03:43,504 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalEXIT(lines 84 92) no Hoare annotation was computed. [2020-09-21 11:03:43,504 INFO L264 CegarLoopResult]: At program point L184(line 184) the Hoare annotation is: (or (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (not (= |old(~pumpRunning~0)| 0))) [2020-09-21 11:03:43,504 INFO L264 CegarLoopResult]: At program point L182(lines 182 188) the Hoare annotation is: (or (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (not (= |old(~pumpRunning~0)| 0))) [2020-09-21 11:03:43,504 INFO L264 CegarLoopResult]: At program point L177(line 177) the Hoare annotation is: (not (= |old(~pumpRunning~0)| 0)) [2020-09-21 11:03:43,504 INFO L264 CegarLoopResult]: At program point timeShiftENTRY(lines 171 194) the Hoare annotation is: (or (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (not (= |old(~pumpRunning~0)| 0))) [2020-09-21 11:03:43,504 INFO L268 CegarLoopResult]: For program point L175(lines 174 193) no Hoare annotation was computed. [2020-09-21 11:03:43,504 INFO L268 CegarLoopResult]: For program point timeShiftEXIT(lines 171 194) no Hoare annotation was computed. [2020-09-21 11:03:43,504 INFO L268 CegarLoopResult]: For program point timeShiftFINAL(lines 171 194) no Hoare annotation was computed. [2020-09-21 11:03:43,504 INFO L271 CegarLoopResult]: At program point L448(lines 423 452) the Hoare annotation is: true [2020-09-21 11:03:43,504 INFO L268 CegarLoopResult]: For program point cleanupEXIT(lines 423 452) no Hoare annotation was computed. [2020-09-21 11:03:43,504 INFO L271 CegarLoopResult]: At program point cleanupENTRY(lines 423 452) the Hoare annotation is: true [2020-09-21 11:03:43,505 INFO L268 CegarLoopResult]: For program point L444(line 444) no Hoare annotation was computed. [2020-09-21 11:03:43,505 INFO L268 CegarLoopResult]: For program point L437(lines 437 441) no Hoare annotation was computed. [2020-09-21 11:03:43,505 INFO L271 CegarLoopResult]: At program point L437-1(lines 437 441) the Hoare annotation is: true [2020-09-21 11:03:43,505 INFO L268 CegarLoopResult]: For program point L434(line 434) no Hoare annotation was computed. [2020-09-21 11:03:43,505 INFO L271 CegarLoopResult]: At program point L433-2(lines 433 447) the Hoare annotation is: true [2020-09-21 11:03:43,505 INFO L271 CegarLoopResult]: At program point L429(line 429) the Hoare annotation is: true [2020-09-21 11:03:43,505 INFO L268 CegarLoopResult]: For program point L429-1(line 429) no Hoare annotation was computed. [2020-09-21 11:03:43,505 INFO L271 CegarLoopResult]: At program point lowerWaterLevelENTRY(lines 48 59) the Hoare annotation is: true [2020-09-21 11:03:43,505 INFO L268 CegarLoopResult]: For program point lowerWaterLevelEXIT(lines 48 59) no Hoare annotation was computed. [2020-09-21 11:03:43,505 INFO L268 CegarLoopResult]: For program point L52-1(lines 48 59) no Hoare annotation was computed. [2020-09-21 11:03:43,506 INFO L268 CegarLoopResult]: For program point setupEXIT(lines 477 483) no Hoare annotation was computed. [2020-09-21 11:03:43,506 INFO L271 CegarLoopResult]: At program point setupFINAL(lines 477 483) the Hoare annotation is: true [2020-09-21 11:03:43,506 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-09-21 11:03:43,506 INFO L264 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (and (= 1 ~systemActive~0) (= ~methaneLevelCritical~0 0) (= ~pumpRunning~0 0)) [2020-09-21 11:03:43,506 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-09-21 11:03:43,506 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-09-21 11:03:43,506 INFO L268 CegarLoopResult]: For program point L64-1(lines 60 71) no Hoare annotation was computed. [2020-09-21 11:03:43,506 INFO L268 CegarLoopResult]: For program point waterRiseEXIT(lines 60 71) no Hoare annotation was computed. [2020-09-21 11:03:43,506 INFO L264 CegarLoopResult]: At program point waterRiseENTRY(lines 60 71) the Hoare annotation is: (or (= |old(~waterLevel~0)| ~waterLevel~0) (not (= ~pumpRunning~0 0))) [2020-09-21 11:03:43,506 INFO L268 CegarLoopResult]: For program point __automaton_failFINAL(lines 154 161) no Hoare annotation was computed. [2020-09-21 11:03:43,506 INFO L268 CegarLoopResult]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 158) no Hoare annotation was computed. [2020-09-21 11:03:43,506 INFO L271 CegarLoopResult]: At program point __automaton_failENTRY(lines 154 161) the Hoare annotation is: true [2020-09-21 11:03:43,507 INFO L268 CegarLoopResult]: For program point __automaton_failEXIT(lines 154 161) no Hoare annotation was computed. [2020-09-21 11:03:43,507 INFO L271 CegarLoopResult]: At program point __utac_acc__Specification1_spec__1ENTRY(lines 128 152) the Hoare annotation is: true [2020-09-21 11:03:43,507 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification1_spec__1EXIT(lines 128 152) no Hoare annotation was computed. [2020-09-21 11:03:43,507 INFO L264 CegarLoopResult]: At program point L142(line 142) the Hoare annotation is: (not (= ~pumpRunning~0 0)) [2020-09-21 11:03:43,507 INFO L268 CegarLoopResult]: For program point L140(lines 140 146) no Hoare annotation was computed. [2020-09-21 11:03:43,507 INFO L264 CegarLoopResult]: At program point L138(line 138) the Hoare annotation is: (or (not (= ~pumpRunning~0 0)) (not (= ~methaneLevelCritical~0 0))) [2020-09-21 11:03:43,507 INFO L268 CegarLoopResult]: For program point L138-1(line 138) no Hoare annotation was computed. [2020-09-21 11:03:43,507 INFO L268 CegarLoopResult]: For program point L136(lines 136 149) no Hoare annotation was computed. [2020-09-21 11:03:43,507 INFO L268 CegarLoopResult]: For program point L136-1(lines 128 152) no Hoare annotation was computed. [2020-09-21 11:03:43,507 INFO L271 CegarLoopResult]: At program point L134(line 134) the Hoare annotation is: true [2020-09-21 11:03:43,508 INFO L268 CegarLoopResult]: For program point L134-1(line 134) no Hoare annotation was computed. [2020-09-21 11:03:43,525 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 21.09 11:03:43 BoogieIcfgContainer [2020-09-21 11:03:43,525 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-09-21 11:03:43,527 INFO L168 Benchmark]: Toolchain (without parser) took 39719.75 ms. Allocated memory was 109.6 MB in the beginning and 577.2 MB in the end (delta: 467.7 MB). Free memory was 73.3 MB in the beginning and 368.7 MB in the end (delta: -295.4 MB). Peak memory consumption was 428.9 MB. Max. memory is 7.1 GB. [2020-09-21 11:03:43,528 INFO L168 Benchmark]: CDTParser took 0.19 ms. Allocated memory is still 109.6 MB. Free memory was 91.7 MB in the beginning and 91.6 MB in the end (delta: 105.1 kB). Peak memory consumption was 105.1 kB. Max. memory is 7.1 GB. [2020-09-21 11:03:43,528 INFO L168 Benchmark]: CACSL2BoogieTranslator took 715.94 ms. Allocated memory was 109.6 MB in the beginning and 169.9 MB in the end (delta: 60.3 MB). Free memory was 72.7 MB in the beginning and 146.9 MB in the end (delta: -74.3 MB). Peak memory consumption was 15.6 MB. Max. memory is 7.1 GB. [2020-09-21 11:03:43,529 INFO L168 Benchmark]: Boogie Preprocessor took 114.16 ms. Allocated memory is still 169.9 MB. Free memory was 146.9 MB in the beginning and 142.8 MB in the end (delta: 4.2 MB). Peak memory consumption was 4.2 MB. Max. memory is 7.1 GB. [2020-09-21 11:03:43,530 INFO L168 Benchmark]: RCFGBuilder took 1248.21 ms. Allocated memory was 169.9 MB in the beginning and 185.6 MB in the end (delta: 15.7 MB). Free memory was 142.8 MB in the beginning and 131.9 MB in the end (delta: 10.9 MB). Peak memory consumption was 56.7 MB. Max. memory is 7.1 GB. [2020-09-21 11:03:43,530 INFO L168 Benchmark]: TraceAbstraction took 37633.04 ms. Allocated memory was 185.6 MB in the beginning and 577.2 MB in the end (delta: 391.6 MB). Free memory was 131.1 MB in the beginning and 368.7 MB in the end (delta: -237.5 MB). Peak memory consumption was 410.8 MB. Max. memory is 7.1 GB. [2020-09-21 11:03:43,534 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19 ms. Allocated memory is still 109.6 MB. Free memory was 91.7 MB in the beginning and 91.6 MB in the end (delta: 105.1 kB). Peak memory consumption was 105.1 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 715.94 ms. Allocated memory was 109.6 MB in the beginning and 169.9 MB in the end (delta: 60.3 MB). Free memory was 72.7 MB in the beginning and 146.9 MB in the end (delta: -74.3 MB). Peak memory consumption was 15.6 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 114.16 ms. Allocated memory is still 169.9 MB. Free memory was 146.9 MB in the beginning and 142.8 MB in the end (delta: 4.2 MB). Peak memory consumption was 4.2 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1248.21 ms. Allocated memory was 169.9 MB in the beginning and 185.6 MB in the end (delta: 15.7 MB). Free memory was 142.8 MB in the beginning and 131.9 MB in the end (delta: 10.9 MB). Peak memory consumption was 56.7 MB. Max. memory is 7.1 GB. * TraceAbstraction took 37633.04 ms. Allocated memory was 185.6 MB in the beginning and 577.2 MB in the end (delta: 391.6 MB). Free memory was 131.1 MB in the beginning and 368.7 MB in the end (delta: -237.5 MB). Peak memory consumption was 410.8 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 158]: 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: 423]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 326]: Loop Invariant Derived loop invariant: (!(\old(systemActive) == 1) || !(\old(pumpRunning) == 0)) || !(\old(methaneLevelCritical) == 0) - InvariantResult [Line: 433]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 327]: Loop Invariant Derived loop invariant: ((!(\old(systemActive) == 1) || !(\old(pumpRunning) == 0)) || !(\old(methaneLevelCritical) == 0)) || (splverifierCounter <= 0 && pumpRunning == 0) - StatisticsResult: Ultimate Automizer benchmark data CFG has 36 procedures, 210 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 15.5s, OverallIterations: 5, TraceHistogramMax: 1, AutomataDifference: 10.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 21.9s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 451 SDtfs, 621 SDslu, 304 SDs, 0 SdLazy, 1423 SolverSat, 405 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 5.6s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 122 GetRequests, 87 SyntacticMatches, 1 SemanticMatches, 34 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 39 ImplicationChecksByTransitivity, 4.9s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=285occurred in iteration=4, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 5 MinimizatonAttempts, 199 StatesRemovedByMinimization, 4 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 51 LocationsWithAnnotation, 386 PreInvPairs, 437 NumberOfFragments, 648 HoareAnnotationTreeSize, 386 FomulaSimplifications, 45014 FormulaSimplificationTreeSizeReduction, 15.3s HoareSimplificationTime, 51 FomulaSimplificationsInter, 12728 FormulaSimplificationTreeSizeReductionInter, 6.5s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 3.9s InterpolantComputationTime, 262 NumberOfCodeBlocks, 262 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 257 ConstructedInterpolants, 0 QuantifiedInterpolants, 72784 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 5 InterpolantComputations, 5 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...