/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.trace.refinement.strategy FIXED_PREFERENCES --traceabstraction.compute.interpolants.along.a.counterexample Craig_NestedInterpolation --traceabstraction.smt.solver Internal_SMTInterpol --traceabstraction.compute.trace.for.counterexample.result false --traceabstraction.use.minimal.unsat.core.enumeration true --traceabstraction.additional.smt.options enumeration-timeout=5000 --traceabstraction.additional.smt.options interpolation-heuristic=SMALLESTAMONGWIDE --traceabstraction.additional.smt.options tolerance=0.1 --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_spec4_product24.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-177f698 [2020-08-22 02:53:54,691 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-08-22 02:53:54,694 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-08-22 02:53:54,718 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-08-22 02:53:54,718 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-08-22 02:53:54,719 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-08-22 02:53:54,720 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-08-22 02:53:54,722 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-08-22 02:53:54,724 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-08-22 02:53:54,725 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-08-22 02:53:54,726 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-08-22 02:53:54,727 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-08-22 02:53:54,727 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-08-22 02:53:54,728 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-08-22 02:53:54,729 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-08-22 02:53:54,730 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-08-22 02:53:54,731 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-08-22 02:53:54,732 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-08-22 02:53:54,733 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-08-22 02:53:54,735 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-08-22 02:53:54,736 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-08-22 02:53:54,737 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-08-22 02:53:54,739 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-08-22 02:53:54,739 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-08-22 02:53:54,742 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-08-22 02:53:54,742 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-08-22 02:53:54,742 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-08-22 02:53:54,743 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-08-22 02:53:54,743 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-08-22 02:53:54,744 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-08-22 02:53:54,744 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-08-22 02:53:54,745 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-08-22 02:53:54,746 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-08-22 02:53:54,748 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-08-22 02:53:54,749 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-08-22 02:53:54,749 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-08-22 02:53:54,751 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-08-22 02:53:54,751 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-08-22 02:53:54,751 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-08-22 02:53:54,752 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-08-22 02:53:54,753 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-08-22 02:53:54,754 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2020-08-22 02:53:54,804 INFO L113 SettingsManager]: Loading preferences was successful [2020-08-22 02:53:54,804 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-08-22 02:53:54,807 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-08-22 02:53:54,808 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-08-22 02:53:54,808 INFO L138 SettingsManager]: * Use SBE=true [2020-08-22 02:53:54,808 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-08-22 02:53:54,808 INFO L138 SettingsManager]: * sizeof long=4 [2020-08-22 02:53:54,808 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-08-22 02:53:54,809 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-08-22 02:53:54,809 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-08-22 02:53:54,809 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-08-22 02:53:54,809 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-08-22 02:53:54,809 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-08-22 02:53:54,810 INFO L138 SettingsManager]: * sizeof long double=12 [2020-08-22 02:53:54,811 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-08-22 02:53:54,811 INFO L138 SettingsManager]: * Use constant arrays=true [2020-08-22 02:53:54,811 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-08-22 02:53:54,812 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-08-22 02:53:54,812 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-08-22 02:53:54,812 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-08-22 02:53:54,812 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-08-22 02:53:54,812 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-08-22 02:53:54,813 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-08-22 02:53:54,813 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-08-22 02:53:54,813 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-08-22 02:53:54,813 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-08-22 02:53:54,813 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-08-22 02:53:54,814 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-08-22 02:53:54,814 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-08-22 02:53:54,814 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.1;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.1;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.1;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.1;log-additional-information=true; [2020-08-22 02:53:55,148 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-08-22 02:53:55,165 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-08-22 02:53:55,168 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-08-22 02:53:55,174 INFO L271 PluginConnector]: Initializing CDTParser... [2020-08-22 02:53:55,174 INFO L275 PluginConnector]: CDTParser initialized [2020-08-22 02:53:55,175 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec4_product24.cil.c [2020-08-22 02:53:55,251 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/f74689f0a/a57d3c24b414452292a799f2222b3b40/FLAG68c4bc8b4 [2020-08-22 02:53:55,846 INFO L306 CDTParser]: Found 1 translation units. [2020-08-22 02:53:55,847 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/product-lines/minepump_spec4_product24.cil.c [2020-08-22 02:53:55,862 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/f74689f0a/a57d3c24b414452292a799f2222b3b40/FLAG68c4bc8b4 [2020-08-22 02:53:56,115 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/f74689f0a/a57d3c24b414452292a799f2222b3b40 [2020-08-22 02:53:56,125 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-08-22 02:53:56,127 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-08-22 02:53:56,128 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-08-22 02:53:56,128 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-08-22 02:53:56,131 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-08-22 02:53:56,132 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.08 02:53:56" (1/1) ... [2020-08-22 02:53:56,136 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1911956 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 02:53:56, skipping insertion in model container [2020-08-22 02:53:56,136 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.08 02:53:56" (1/1) ... [2020-08-22 02:53:56,144 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-08-22 02:53:56,213 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-08-22 02:53:56,669 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-08-22 02:53:56,680 INFO L203 MainTranslator]: Completed pre-run [2020-08-22 02:53:56,782 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-08-22 02:53:56,816 INFO L208 MainTranslator]: Completed translation [2020-08-22 02:53:56,817 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 02:53:56 WrapperNode [2020-08-22 02:53:56,817 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-08-22 02:53:56,818 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-08-22 02:53:56,818 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-08-22 02:53:56,818 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-08-22 02:53:56,828 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 02:53:56" (1/1) ... [2020-08-22 02:53:56,828 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 02:53:56" (1/1) ... [2020-08-22 02:53:56,849 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 02:53:56" (1/1) ... [2020-08-22 02:53:56,849 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 02:53:56" (1/1) ... [2020-08-22 02:53:56,893 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 02:53:56" (1/1) ... [2020-08-22 02:53:56,913 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 02:53:56" (1/1) ... [2020-08-22 02:53:56,918 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 02:53:56" (1/1) ... [2020-08-22 02:53:56,926 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-08-22 02:53:56,926 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-08-22 02:53:56,926 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-08-22 02:53:56,927 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-08-22 02:53:56,927 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 02:53:56" (1/1) ... No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-08-22 02:53:57,012 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-08-22 02:53:57,012 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-08-22 02:53:57,013 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-08-22 02:53:57,013 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-08-22 02:53:57,013 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-08-22 02:53:57,013 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-08-22 02:53:57,014 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-08-22 02:53:57,014 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-08-22 02:53:57,014 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-08-22 02:53:57,015 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-08-22 02:53:57,016 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-08-22 02:53:57,016 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-08-22 02:53:57,016 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-08-22 02:53:57,016 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-08-22 02:53:57,016 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-08-22 02:53:57,017 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-08-22 02:53:57,017 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2020-08-22 02:53:57,017 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__lowWaterSensor [2020-08-22 02:53:57,017 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-08-22 02:53:57,018 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-08-22 02:53:57,018 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-08-22 02:53:57,018 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-08-22 02:53:57,018 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-08-22 02:53:57,018 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-08-22 02:53:57,018 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2020-08-22 02:53:57,019 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2020-08-22 02:53:57,020 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2020-08-22 02:53:57,020 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-08-22 02:53:57,020 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-08-22 02:53:57,020 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-08-22 02:53:57,020 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-08-22 02:53:57,021 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-08-22 02:53:57,021 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-08-22 02:53:57,021 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2020-08-22 02:53:57,021 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification4_spec__1 [2020-08-22 02:53:57,021 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-08-22 02:53:57,021 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-08-22 02:53:57,021 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-08-22 02:53:57,022 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-08-22 02:53:57,022 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-08-22 02:53:57,022 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-08-22 02:53:57,022 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-08-22 02:53:57,022 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-08-22 02:53:57,022 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-08-22 02:53:57,022 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-08-22 02:53:57,023 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-08-22 02:53:57,023 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-08-22 02:53:57,023 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-08-22 02:53:57,023 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-08-22 02:53:57,023 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-08-22 02:53:57,023 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-08-22 02:53:57,023 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-08-22 02:53:57,024 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-08-22 02:53:57,024 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-08-22 02:53:57,024 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-08-22 02:53:57,025 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-08-22 02:53:57,025 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-08-22 02:53:57,025 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-08-22 02:53:57,025 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-08-22 02:53:57,025 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-08-22 02:53:57,026 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-08-22 02:53:57,026 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-08-22 02:53:57,026 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-08-22 02:53:57,026 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-08-22 02:53:57,026 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-08-22 02:53:57,026 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-08-22 02:53:57,027 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-08-22 02:53:57,027 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-08-22 02:53:57,027 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-08-22 02:53:57,027 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-08-22 02:53:57,027 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-08-22 02:53:57,028 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-08-22 02:53:57,029 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-08-22 02:53:57,029 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2020-08-22 02:53:57,029 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2020-08-22 02:53:57,030 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-08-22 02:53:57,030 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-08-22 02:53:57,030 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-08-22 02:53:57,031 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2020-08-22 02:53:57,031 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-08-22 02:53:57,031 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-08-22 02:53:57,031 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-08-22 02:53:57,032 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification4_spec__1 [2020-08-22 02:53:57,032 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-08-22 02:53:57,032 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2020-08-22 02:53:57,033 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2020-08-22 02:53:57,033 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__lowWaterSensor [2020-08-22 02:53:57,033 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-08-22 02:53:57,033 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-08-22 02:53:57,033 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-08-22 02:53:57,033 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-08-22 02:53:57,033 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-08-22 02:53:57,033 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-08-22 02:53:57,034 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-08-22 02:53:58,050 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-08-22 02:53:58,050 INFO L295 CfgBuilder]: Removed 5 assume(true) statements. [2020-08-22 02:53:58,055 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.08 02:53:58 BoogieIcfgContainer [2020-08-22 02:53:58,055 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-08-22 02:53:58,057 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-08-22 02:53:58,057 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-08-22 02:53:58,060 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-08-22 02:53:58,060 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.08 02:53:56" (1/3) ... [2020-08-22 02:53:58,061 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@79a97a35 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.08 02:53:58, skipping insertion in model container [2020-08-22 02:53:58,061 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 02:53:56" (2/3) ... [2020-08-22 02:53:58,062 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@79a97a35 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.08 02:53:58, skipping insertion in model container [2020-08-22 02:53:58,062 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.08 02:53:58" (3/3) ... [2020-08-22 02:53:58,064 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec4_product24.cil.c [2020-08-22 02:53:58,075 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-08-22 02:53:58,083 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-08-22 02:53:58,097 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-08-22 02:53:58,123 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-08-22 02:53:58,123 INFO L376 AbstractCegarLoop]: Hoare is true [2020-08-22 02:53:58,123 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-08-22 02:53:58,123 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-08-22 02:53:58,124 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-08-22 02:53:58,124 INFO L380 AbstractCegarLoop]: Difference is false [2020-08-22 02:53:58,124 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-08-22 02:53:58,124 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-08-22 02:53:58,146 INFO L276 IsEmpty]: Start isEmpty. Operand 175 states. [2020-08-22 02:53:58,156 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2020-08-22 02:53:58,157 INFO L414 BasicCegarLoop]: Found error trace [2020-08-22 02:53:58,158 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-22 02:53:58,158 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-22 02:53:58,164 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-22 02:53:58,165 INFO L82 PathProgramCache]: Analyzing trace with hash -62573292, now seen corresponding path program 1 times [2020-08-22 02:53:58,174 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-22 02:53:58,174 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1136368290] [2020-08-22 02:53:58,174 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-22 02:53:58,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 02:53:58,835 WARN L193 SmtUtils]: Spent 300.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-08-22 02:53:58,837 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 02:53:58,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 02:53:58,887 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-08-22 02:53:58,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 02:53:58,891 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-08-22 02:53:58,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 02:53:58,893 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-08-22 02:53:58,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 02:53:58,896 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-08-22 02:53:58,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 02:53:58,898 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2020-08-22 02:53:58,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 02:53:58,901 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2020-08-22 02:53:58,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 02:53:58,918 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-08-22 02:53:58,919 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1136368290] [2020-08-22 02:53:58,921 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-22 02:53:58,921 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-08-22 02:53:58,922 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1075611673] [2020-08-22 02:53:58,927 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-08-22 02:53:58,928 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-22 02:53:58,942 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-08-22 02:53:58,943 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-08-22 02:53:58,945 INFO L87 Difference]: Start difference. First operand 175 states. Second operand 3 states. [2020-08-22 02:54:00,092 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-22 02:54:00,092 INFO L93 Difference]: Finished difference Result 308 states and 403 transitions. [2020-08-22 02:54:00,093 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-08-22 02:54:00,094 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 46 [2020-08-22 02:54:00,095 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-22 02:54:00,109 INFO L225 Difference]: With dead ends: 308 [2020-08-22 02:54:00,110 INFO L226 Difference]: Without dead ends: 167 [2020-08-22 02:54:00,115 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-08-22 02:54:00,133 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 167 states. [2020-08-22 02:54:00,199 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 167 to 132. [2020-08-22 02:54:00,201 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 132 states. [2020-08-22 02:54:00,202 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 132 states to 132 states and 155 transitions. [2020-08-22 02:54:00,204 INFO L78 Accepts]: Start accepts. Automaton has 132 states and 155 transitions. Word has length 46 [2020-08-22 02:54:00,205 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-22 02:54:00,205 INFO L479 AbstractCegarLoop]: Abstraction has 132 states and 155 transitions. [2020-08-22 02:54:00,205 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-08-22 02:54:00,205 INFO L276 IsEmpty]: Start isEmpty. Operand 132 states and 155 transitions. [2020-08-22 02:54:00,208 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2020-08-22 02:54:00,208 INFO L414 BasicCegarLoop]: Found error trace [2020-08-22 02:54:00,208 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-22 02:54:00,209 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-08-22 02:54:00,209 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-22 02:54:00,209 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-22 02:54:00,209 INFO L82 PathProgramCache]: Analyzing trace with hash 374870047, now seen corresponding path program 1 times [2020-08-22 02:54:00,210 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-22 02:54:00,210 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [445447377] [2020-08-22 02:54:00,210 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-22 02:54:00,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 02:54:00,518 WARN L193 SmtUtils]: Spent 218.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-08-22 02:54:00,519 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 02:54:00,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 02:54:00,544 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-08-22 02:54:00,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 02:54:00,546 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-08-22 02:54:00,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 02:54:00,548 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-08-22 02:54:00,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 02:54:00,549 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-08-22 02:54:00,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 02:54:00,551 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2020-08-22 02:54:00,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 02:54:00,553 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2020-08-22 02:54:00,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 02:54:00,560 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-08-22 02:54:00,560 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [445447377] [2020-08-22 02:54:00,560 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-22 02:54:00,561 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-08-22 02:54:00,561 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1658680110] [2020-08-22 02:54:00,563 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-08-22 02:54:00,563 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-22 02:54:00,563 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-08-22 02:54:00,563 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-08-22 02:54:00,564 INFO L87 Difference]: Start difference. First operand 132 states and 155 transitions. Second operand 4 states. [2020-08-22 02:54:00,964 WARN L193 SmtUtils]: Spent 189.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-08-22 02:54:01,825 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-22 02:54:01,826 INFO L93 Difference]: Finished difference Result 231 states and 282 transitions. [2020-08-22 02:54:01,826 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-08-22 02:54:01,826 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 47 [2020-08-22 02:54:01,827 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-22 02:54:01,833 INFO L225 Difference]: With dead ends: 231 [2020-08-22 02:54:01,833 INFO L226 Difference]: Without dead ends: 151 [2020-08-22 02:54:01,837 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-08-22 02:54:01,837 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 151 states. [2020-08-22 02:54:01,881 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 151 to 123. [2020-08-22 02:54:01,881 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 123 states. [2020-08-22 02:54:01,883 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 123 states to 123 states and 143 transitions. [2020-08-22 02:54:01,883 INFO L78 Accepts]: Start accepts. Automaton has 123 states and 143 transitions. Word has length 47 [2020-08-22 02:54:01,883 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-22 02:54:01,883 INFO L479 AbstractCegarLoop]: Abstraction has 123 states and 143 transitions. [2020-08-22 02:54:01,884 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-08-22 02:54:01,884 INFO L276 IsEmpty]: Start isEmpty. Operand 123 states and 143 transitions. [2020-08-22 02:54:01,886 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2020-08-22 02:54:01,886 INFO L414 BasicCegarLoop]: Found error trace [2020-08-22 02:54:01,886 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-22 02:54:01,886 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-08-22 02:54:01,887 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-22 02:54:01,887 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-22 02:54:01,887 INFO L82 PathProgramCache]: Analyzing trace with hash 727440706, now seen corresponding path program 1 times [2020-08-22 02:54:01,887 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-22 02:54:01,887 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [267319701] [2020-08-22 02:54:01,888 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-22 02:54:01,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 02:54:02,228 WARN L193 SmtUtils]: Spent 225.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-08-22 02:54:02,230 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 02:54:02,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 02:54:02,307 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-08-22 02:54:02,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 02:54:02,310 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-08-22 02:54:02,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 02:54:02,312 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-08-22 02:54:02,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 02:54:02,326 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-08-22 02:54:02,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 02:54:02,328 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2020-08-22 02:54:02,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 02:54:02,331 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2020-08-22 02:54:02,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 02:54:02,341 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-08-22 02:54:02,341 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [267319701] [2020-08-22 02:54:02,342 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-22 02:54:02,342 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-08-22 02:54:02,342 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [165920490] [2020-08-22 02:54:02,344 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-08-22 02:54:02,345 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-22 02:54:02,348 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-08-22 02:54:02,349 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2020-08-22 02:54:02,349 INFO L87 Difference]: Start difference. First operand 123 states and 143 transitions. Second operand 8 states. [2020-08-22 02:54:02,696 WARN L193 SmtUtils]: Spent 204.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-08-22 02:54:02,992 WARN L193 SmtUtils]: Spent 204.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-08-22 02:54:03,267 WARN L193 SmtUtils]: Spent 242.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-08-22 02:54:03,486 WARN L193 SmtUtils]: Spent 202.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-08-22 02:54:04,170 WARN L193 SmtUtils]: Spent 200.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-08-22 02:54:05,969 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-22 02:54:05,970 INFO L93 Difference]: Finished difference Result 424 states and 526 transitions. [2020-08-22 02:54:05,970 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-08-22 02:54:05,970 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 52 [2020-08-22 02:54:05,971 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-22 02:54:05,982 INFO L225 Difference]: With dead ends: 424 [2020-08-22 02:54:05,982 INFO L226 Difference]: Without dead ends: 325 [2020-08-22 02:54:05,983 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 17 SyntacticMatches, 1 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2020-08-22 02:54:05,989 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 325 states. [2020-08-22 02:54:06,067 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 325 to 260. [2020-08-22 02:54:06,067 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 260 states. [2020-08-22 02:54:06,069 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 260 states to 260 states and 314 transitions. [2020-08-22 02:54:06,069 INFO L78 Accepts]: Start accepts. Automaton has 260 states and 314 transitions. Word has length 52 [2020-08-22 02:54:06,070 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-22 02:54:06,070 INFO L479 AbstractCegarLoop]: Abstraction has 260 states and 314 transitions. [2020-08-22 02:54:06,070 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-08-22 02:54:06,070 INFO L276 IsEmpty]: Start isEmpty. Operand 260 states and 314 transitions. [2020-08-22 02:54:06,073 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2020-08-22 02:54:06,073 INFO L414 BasicCegarLoop]: Found error trace [2020-08-22 02:54:06,073 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] [2020-08-22 02:54:06,073 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-08-22 02:54:06,074 INFO L427 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-22 02:54:06,074 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-22 02:54:06,074 INFO L82 PathProgramCache]: Analyzing trace with hash 1814289492, now seen corresponding path program 1 times [2020-08-22 02:54:06,074 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-22 02:54:06,075 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1925804838] [2020-08-22 02:54:06,075 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-22 02:54:06,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 02:54:06,402 WARN L193 SmtUtils]: Spent 197.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-08-22 02:54:06,408 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 02:54:06,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 02:54:06,460 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-08-22 02:54:06,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 02:54:06,462 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-08-22 02:54:06,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 02:54:06,464 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-08-22 02:54:06,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 02:54:06,479 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-08-22 02:54:06,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 02:54:06,497 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2020-08-22 02:54:06,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 02:54:06,501 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2020-08-22 02:54:06,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 02:54:06,516 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2020-08-22 02:54:06,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 02:54:06,526 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-08-22 02:54:06,527 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1925804838] [2020-08-22 02:54:06,527 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-22 02:54:06,527 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2020-08-22 02:54:06,528 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [154776028] [2020-08-22 02:54:06,528 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-08-22 02:54:06,528 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-22 02:54:06,529 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-08-22 02:54:06,529 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=109, Unknown=0, NotChecked=0, Total=132 [2020-08-22 02:54:06,529 INFO L87 Difference]: Start difference. First operand 260 states and 314 transitions. Second operand 12 states. [2020-08-22 02:54:07,002 WARN L193 SmtUtils]: Spent 212.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-08-22 02:54:07,351 WARN L193 SmtUtils]: Spent 215.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-08-22 02:54:07,608 WARN L193 SmtUtils]: Spent 219.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-08-22 02:54:07,858 WARN L193 SmtUtils]: Spent 224.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-08-22 02:54:08,417 WARN L193 SmtUtils]: Spent 216.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-08-22 02:54:09,283 WARN L193 SmtUtils]: Spent 219.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-08-22 02:54:09,679 WARN L193 SmtUtils]: Spent 217.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-08-22 02:54:09,991 WARN L193 SmtUtils]: Spent 221.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-08-22 02:54:10,300 WARN L193 SmtUtils]: Spent 233.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-08-22 02:54:10,580 WARN L193 SmtUtils]: Spent 208.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-08-22 02:54:10,967 WARN L193 SmtUtils]: Spent 206.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-08-22 02:54:11,310 WARN L193 SmtUtils]: Spent 211.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-08-22 02:54:11,691 WARN L193 SmtUtils]: Spent 230.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-08-22 02:54:13,295 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-22 02:54:13,295 INFO L93 Difference]: Finished difference Result 1047 states and 1392 transitions. [2020-08-22 02:54:13,298 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2020-08-22 02:54:13,298 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 57 [2020-08-22 02:54:13,298 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-22 02:54:13,306 INFO L225 Difference]: With dead ends: 1047 [2020-08-22 02:54:13,307 INFO L226 Difference]: Without dead ends: 811 [2020-08-22 02:54:13,310 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 107 ImplicationChecksByTransitivity, 3.4s TimeCoverageRelationStatistics Valid=155, Invalid=547, Unknown=0, NotChecked=0, Total=702 [2020-08-22 02:54:13,311 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 811 states. [2020-08-22 02:54:13,487 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 811 to 706. [2020-08-22 02:54:13,488 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 706 states. [2020-08-22 02:54:13,493 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 706 states to 706 states and 874 transitions. [2020-08-22 02:54:13,493 INFO L78 Accepts]: Start accepts. Automaton has 706 states and 874 transitions. Word has length 57 [2020-08-22 02:54:13,494 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-22 02:54:13,494 INFO L479 AbstractCegarLoop]: Abstraction has 706 states and 874 transitions. [2020-08-22 02:54:13,494 INFO L480 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-08-22 02:54:13,494 INFO L276 IsEmpty]: Start isEmpty. Operand 706 states and 874 transitions. [2020-08-22 02:54:13,498 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2020-08-22 02:54:13,498 INFO L414 BasicCegarLoop]: Found error trace [2020-08-22 02:54:13,498 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] [2020-08-22 02:54:13,499 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-08-22 02:54:13,499 INFO L427 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-22 02:54:13,499 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-22 02:54:13,499 INFO L82 PathProgramCache]: Analyzing trace with hash 176933658, now seen corresponding path program 1 times [2020-08-22 02:54:13,500 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-22 02:54:13,500 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [761333364] [2020-08-22 02:54:13,500 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-22 02:54:13,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 02:54:13,763 WARN L193 SmtUtils]: Spent 181.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-08-22 02:54:13,764 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 02:54:13,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 02:54:13,792 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-08-22 02:54:13,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 02:54:13,794 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-08-22 02:54:13,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 02:54:13,796 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-08-22 02:54:13,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 02:54:13,798 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-08-22 02:54:13,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 02:54:13,827 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2020-08-22 02:54:13,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 02:54:13,838 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2020-08-22 02:54:13,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 02:54:13,843 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2020-08-22 02:54:13,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 02:54:13,844 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2020-08-22 02:54:13,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 02:54:13,857 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-08-22 02:54:13,858 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [761333364] [2020-08-22 02:54:13,858 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-22 02:54:13,858 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-08-22 02:54:13,862 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [662034781] [2020-08-22 02:54:13,863 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-08-22 02:54:13,864 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-22 02:54:13,864 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-08-22 02:54:13,864 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-08-22 02:54:13,865 INFO L87 Difference]: Start difference. First operand 706 states and 874 transitions. Second operand 6 states. [2020-08-22 02:54:14,200 WARN L193 SmtUtils]: Spent 206.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-08-22 02:54:15,105 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-22 02:54:15,106 INFO L93 Difference]: Finished difference Result 1181 states and 1540 transitions. [2020-08-22 02:54:15,112 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-08-22 02:54:15,112 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 61 [2020-08-22 02:54:15,113 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-22 02:54:15,117 INFO L225 Difference]: With dead ends: 1181 [2020-08-22 02:54:15,118 INFO L226 Difference]: Without dead ends: 499 [2020-08-22 02:54:15,121 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=35, Invalid=55, Unknown=0, NotChecked=0, Total=90 [2020-08-22 02:54:15,122 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 499 states. [2020-08-22 02:54:15,247 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 499 to 432. [2020-08-22 02:54:15,247 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 432 states. [2020-08-22 02:54:15,249 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 432 states to 432 states and 491 transitions. [2020-08-22 02:54:15,250 INFO L78 Accepts]: Start accepts. Automaton has 432 states and 491 transitions. Word has length 61 [2020-08-22 02:54:15,251 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-22 02:54:15,251 INFO L479 AbstractCegarLoop]: Abstraction has 432 states and 491 transitions. [2020-08-22 02:54:15,251 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-08-22 02:54:15,251 INFO L276 IsEmpty]: Start isEmpty. Operand 432 states and 491 transitions. [2020-08-22 02:54:15,253 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2020-08-22 02:54:15,253 INFO L414 BasicCegarLoop]: Found error trace [2020-08-22 02:54:15,254 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-22 02:54:15,254 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-08-22 02:54:15,254 INFO L427 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-22 02:54:15,254 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-22 02:54:15,255 INFO L82 PathProgramCache]: Analyzing trace with hash 1524461315, now seen corresponding path program 1 times [2020-08-22 02:54:15,255 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-22 02:54:15,255 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [493960039] [2020-08-22 02:54:15,255 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-22 02:54:15,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 02:54:15,524 WARN L193 SmtUtils]: Spent 184.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-08-22 02:54:15,525 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 02:54:15,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 02:54:15,572 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-08-22 02:54:15,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 02:54:15,574 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-08-22 02:54:15,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 02:54:15,576 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-08-22 02:54:15,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 02:54:15,578 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-08-22 02:54:15,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 02:54:15,589 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-08-22 02:54:15,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 02:54:15,613 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-22 02:54:15,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 02:54:15,636 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2020-08-22 02:54:15,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 02:54:15,648 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 02:54:15,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 02:54:15,652 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-08-22 02:54:15,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 02:54:15,654 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2020-08-22 02:54:15,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 02:54:15,667 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2020-08-22 02:54:15,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 02:54:15,668 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2020-08-22 02:54:15,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 02:54:15,686 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 13 proven. 7 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2020-08-22 02:54:15,686 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [493960039] [2020-08-22 02:54:15,687 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-22 02:54:15,687 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10] total 10 [2020-08-22 02:54:15,687 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [414946625] [2020-08-22 02:54:15,688 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-08-22 02:54:15,688 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-22 02:54:15,688 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-08-22 02:54:15,689 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=69, Unknown=0, NotChecked=0, Total=90 [2020-08-22 02:54:15,689 INFO L87 Difference]: Start difference. First operand 432 states and 491 transitions. Second operand 10 states. [2020-08-22 02:54:16,353 WARN L193 SmtUtils]: Spent 402.00 ms on a formula simplification. DAG size of input: 187 DAG size of output: 186 [2020-08-22 02:54:16,916 WARN L193 SmtUtils]: Spent 210.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-08-22 02:54:17,939 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-22 02:54:17,940 INFO L93 Difference]: Finished difference Result 605 states and 715 transitions. [2020-08-22 02:54:17,941 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-08-22 02:54:17,941 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 89 [2020-08-22 02:54:17,941 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-22 02:54:17,942 INFO L225 Difference]: With dead ends: 605 [2020-08-22 02:54:17,942 INFO L226 Difference]: Without dead ends: 0 [2020-08-22 02:54:17,946 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 45 GetRequests, 28 SyntacticMatches, 1 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 36 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=78, Invalid=228, Unknown=0, NotChecked=0, Total=306 [2020-08-22 02:54:17,946 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-08-22 02:54:17,946 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-08-22 02:54:17,947 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-08-22 02:54:17,947 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-08-22 02:54:17,949 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 89 [2020-08-22 02:54:17,949 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-22 02:54:17,949 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-08-22 02:54:17,949 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-08-22 02:54:17,949 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-08-22 02:54:17,949 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-08-22 02:54:17,950 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-08-22 02:54:17,953 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-08-22 02:54:18,152 WARN L193 SmtUtils]: Spent 191.00 ms on a formula simplification. DAG size of input: 259 DAG size of output: 36 [2020-08-22 02:54:18,699 WARN L193 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 265 DAG size of output: 30 [2020-08-22 02:54:22,242 WARN L193 SmtUtils]: Spent 569.00 ms on a formula simplification. DAG size of input: 150 DAG size of output: 18 [2020-08-22 02:54:22,603 WARN L193 SmtUtils]: Spent 358.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 22 [2020-08-22 02:54:22,814 WARN L193 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 148 DAG size of output: 1 [2020-08-22 02:54:22,918 WARN L193 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 133 DAG size of output: 1 [2020-08-22 02:54:23,546 WARN L193 SmtUtils]: Spent 572.00 ms on a formula simplification. DAG size of input: 150 DAG size of output: 18 [2020-08-22 02:54:24,124 WARN L193 SmtUtils]: Spent 534.00 ms on a formula simplification. DAG size of input: 156 DAG size of output: 22 [2020-08-22 02:54:24,811 WARN L193 SmtUtils]: Spent 605.00 ms on a formula simplification. DAG size of input: 150 DAG size of output: 18 [2020-08-22 02:54:25,280 WARN L193 SmtUtils]: Spent 426.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 17 [2020-08-22 02:54:25,468 WARN L193 SmtUtils]: Spent 187.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-08-22 02:54:25,890 WARN L193 SmtUtils]: Spent 379.00 ms on a formula simplification. DAG size of input: 145 DAG size of output: 24 [2020-08-22 02:54:26,501 WARN L193 SmtUtils]: Spent 606.00 ms on a formula simplification. DAG size of input: 159 DAG size of output: 21 [2020-08-22 02:54:26,633 WARN L193 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 152 DAG size of output: 1 [2020-08-22 02:54:27,043 WARN L193 SmtUtils]: Spent 408.00 ms on a formula simplification. DAG size of input: 145 DAG size of output: 24 [2020-08-22 02:54:27,692 WARN L193 SmtUtils]: Spent 556.00 ms on a formula simplification. DAG size of input: 154 DAG size of output: 18 [2020-08-22 02:54:28,440 WARN L193 SmtUtils]: Spent 557.00 ms on a formula simplification. DAG size of input: 159 DAG size of output: 16 [2020-08-22 02:54:28,579 WARN L193 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 152 DAG size of output: 1 [2020-08-22 02:54:29,093 WARN L193 SmtUtils]: Spent 382.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 22 [2020-08-22 02:54:29,688 WARN L193 SmtUtils]: Spent 591.00 ms on a formula simplification. DAG size of input: 150 DAG size of output: 18 [2020-08-22 02:54:30,069 WARN L193 SmtUtils]: Spent 379.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 22 [2020-08-22 02:54:30,519 WARN L193 SmtUtils]: Spent 377.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 22 [2020-08-22 02:54:31,079 WARN L193 SmtUtils]: Spent 513.00 ms on a formula simplification. DAG size of input: 158 DAG size of output: 19 [2020-08-22 02:54:31,461 WARN L193 SmtUtils]: Spent 380.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 22 [2020-08-22 02:54:31,582 WARN L193 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 152 DAG size of output: 1 [2020-08-22 02:54:32,111 WARN L193 SmtUtils]: Spent 432.00 ms on a formula simplification. DAG size of input: 152 DAG size of output: 21 [2020-08-22 02:54:32,505 WARN L193 SmtUtils]: Spent 359.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 22 [2020-08-22 02:54:32,509 INFO L268 CegarLoopResult]: For program point L222(line 222) no Hoare annotation was computed. [2020-08-22 02:54:32,510 INFO L268 CegarLoopResult]: For program point L221-2(lines 221 242) no Hoare annotation was computed. [2020-08-22 02:54:32,510 INFO L268 CegarLoopResult]: For program point L243(lines 220 244) no Hoare annotation was computed. [2020-08-22 02:54:32,510 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeFINAL(lines 196 251) no Hoare annotation was computed. [2020-08-22 02:54:32,510 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeEXIT(lines 196 251) no Hoare annotation was computed. [2020-08-22 02:54:32,510 INFO L268 CegarLoopResult]: For program point L227(lines 227 231) no Hoare annotation was computed. [2020-08-22 02:54:32,510 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeENTRY(lines 196 251) no Hoare annotation was computed. [2020-08-22 02:54:32,511 INFO L268 CegarLoopResult]: For program point L227-1(lines 227 231) no Hoare annotation was computed. [2020-08-22 02:54:32,511 INFO L268 CegarLoopResult]: For program point L284(lines 284 288) no Hoare annotation was computed. [2020-08-22 02:54:32,511 INFO L268 CegarLoopResult]: For program point L284-1(lines 284 288) no Hoare annotation was computed. [2020-08-22 02:54:32,511 INFO L268 CegarLoopResult]: For program point L279(line 279) no Hoare annotation was computed. [2020-08-22 02:54:32,511 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetFINAL(lines 252 311) no Hoare annotation was computed. [2020-08-22 02:54:32,511 INFO L268 CegarLoopResult]: For program point L278-2(lines 278 303) no Hoare annotation was computed. [2020-08-22 02:54:32,511 INFO L268 CegarLoopResult]: For program point L304(lines 277 305) no Hoare annotation was computed. [2020-08-22 02:54:32,512 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetENTRY(lines 252 311) no Hoare annotation was computed. [2020-08-22 02:54:32,512 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetEXIT(lines 252 311) no Hoare annotation was computed. [2020-08-22 02:54:32,512 INFO L268 CegarLoopResult]: For program point L297(line 297) no Hoare annotation was computed. [2020-08-22 02:54:32,512 INFO L268 CegarLoopResult]: For program point L297-1(line 297) no Hoare annotation was computed. [2020-08-22 02:54:32,512 INFO L271 CegarLoopResult]: At program point select_helpersFINAL(lines 925 931) the Hoare annotation is: true [2020-08-22 02:54:32,512 INFO L268 CegarLoopResult]: For program point select_helpersEXIT(lines 925 931) no Hoare annotation was computed. [2020-08-22 02:54:32,512 INFO L268 CegarLoopResult]: For program point valid_productEXIT(lines 932 940) no Hoare annotation was computed. [2020-08-22 02:54:32,512 INFO L271 CegarLoopResult]: At program point valid_productENTRY(lines 932 940) the Hoare annotation is: true [2020-08-22 02:54:32,513 INFO L268 CegarLoopResult]: For program point valid_productFINAL(lines 932 940) no Hoare annotation was computed. [2020-08-22 02:54:32,513 INFO L264 CegarLoopResult]: At program point L895(line 895) the Hoare annotation is: (let ((.cse0 (not (= ~pumpRunning~0 0)))) (and (or .cse0 (not (<= 2 ~waterLevel~0))) (or (not (= ~waterLevel~0 1)) .cse0))) [2020-08-22 02:54:32,513 INFO L271 CegarLoopResult]: At program point __utac_acc__Specification4_spec__1ENTRY(lines 881 905) the Hoare annotation is: true [2020-08-22 02:54:32,513 INFO L268 CegarLoopResult]: For program point L893(lines 893 899) no Hoare annotation was computed. [2020-08-22 02:54:32,513 INFO L264 CegarLoopResult]: At program point L891(line 891) the Hoare annotation is: (let ((.cse0 (not (= ~pumpRunning~0 0)))) (and (or .cse0 (not (<= 2 ~waterLevel~0))) (or (not (= ~waterLevel~0 1)) .cse0))) [2020-08-22 02:54:32,514 INFO L268 CegarLoopResult]: For program point L891-1(line 891) no Hoare annotation was computed. [2020-08-22 02:54:32,514 INFO L268 CegarLoopResult]: For program point L889(lines 889 902) no Hoare annotation was computed. [2020-08-22 02:54:32,514 INFO L268 CegarLoopResult]: For program point L889-1(lines 881 905) no Hoare annotation was computed. [2020-08-22 02:54:32,514 INFO L271 CegarLoopResult]: At program point L887(line 887) the Hoare annotation is: true [2020-08-22 02:54:32,514 INFO L268 CegarLoopResult]: For program point L887-1(line 887) no Hoare annotation was computed. [2020-08-22 02:54:32,514 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification4_spec__1EXIT(lines 881 905) no Hoare annotation was computed. [2020-08-22 02:54:32,514 INFO L268 CegarLoopResult]: For program point L130-1(lines 130 137) no Hoare annotation was computed. [2020-08-22 02:54:32,514 INFO L268 CegarLoopResult]: For program point L128(line 128) no Hoare annotation was computed. [2020-08-22 02:54:32,515 INFO L264 CegarLoopResult]: At program point L127(line 127) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (and (= |old(~systemActive~0)| ~systemActive~0) (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) (not (= |old(~pumpRunning~0)| 0))) [2020-08-22 02:54:32,515 INFO L264 CegarLoopResult]: At program point L126(line 126) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (and (= |old(~systemActive~0)| ~systemActive~0) (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) (not (= |old(~pumpRunning~0)| 0))) [2020-08-22 02:54:32,515 INFO L264 CegarLoopResult]: At program point mainENTRY(lines 120 142) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (and (= |old(~systemActive~0)| ~systemActive~0) (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) (not (= |old(~pumpRunning~0)| 0))) [2020-08-22 02:54:32,515 INFO L264 CegarLoopResult]: At program point L126-1(line 126) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (and (= |old(~systemActive~0)| ~systemActive~0) (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) (not (= |old(~pumpRunning~0)| 0))) [2020-08-22 02:54:32,515 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 120 142) no Hoare annotation was computed. [2020-08-22 02:54:32,516 INFO L268 CegarLoopResult]: For program point mainFINAL(lines 120 142) no Hoare annotation was computed. [2020-08-22 02:54:32,516 INFO L264 CegarLoopResult]: At program point L132(line 132) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (and (= main_~tmp~0 ~systemActive~0) (= |old(~systemActive~0)| ~systemActive~0) (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) (not (= |old(~pumpRunning~0)| 0))) [2020-08-22 02:54:32,516 INFO L264 CegarLoopResult]: At program point L132-1(line 132) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (and (= main_~tmp~0 ~systemActive~0) (= |old(~systemActive~0)| ~systemActive~0) (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) (not (= |old(~pumpRunning~0)| 0))) [2020-08-22 02:54:32,516 INFO L268 CegarLoopResult]: For program point L130(lines 130 137) no Hoare annotation was computed. [2020-08-22 02:54:32,516 INFO L268 CegarLoopResult]: For program point Specification2EXIT(lines 75 98) no Hoare annotation was computed. [2020-08-22 02:54:32,516 INFO L268 CegarLoopResult]: For program point L93(line 93) no Hoare annotation was computed. [2020-08-22 02:54:32,516 INFO L268 CegarLoopResult]: For program point Specification2ENTRY(lines 75 98) no Hoare annotation was computed. [2020-08-22 02:54:32,516 INFO L268 CegarLoopResult]: For program point L92(line 92) no Hoare annotation was computed. [2020-08-22 02:54:32,516 INFO L268 CegarLoopResult]: For program point Specification2FINAL(lines 75 98) no Hoare annotation was computed. [2020-08-22 02:54:32,517 INFO L268 CegarLoopResult]: For program point L91(line 91) no Hoare annotation was computed. [2020-08-22 02:54:32,517 INFO L268 CegarLoopResult]: For program point L90(line 90) no Hoare annotation was computed. [2020-08-22 02:54:32,517 INFO L268 CegarLoopResult]: For program point L89(line 89) no Hoare annotation was computed. [2020-08-22 02:54:32,517 INFO L268 CegarLoopResult]: For program point L88(line 88) no Hoare annotation was computed. [2020-08-22 02:54:32,517 INFO L268 CegarLoopResult]: For program point L87(line 87) no Hoare annotation was computed. [2020-08-22 02:54:32,517 INFO L268 CegarLoopResult]: For program point L86(line 86) no Hoare annotation was computed. [2020-08-22 02:54:32,517 INFO L268 CegarLoopResult]: For program point L85(line 85) no Hoare annotation was computed. [2020-08-22 02:54:32,517 INFO L268 CegarLoopResult]: For program point L84(line 84) no Hoare annotation was computed. [2020-08-22 02:54:32,517 INFO L268 CegarLoopResult]: For program point L83(line 83) no Hoare annotation was computed. [2020-08-22 02:54:32,517 INFO L268 CegarLoopResult]: For program point L82(line 82) no Hoare annotation was computed. [2020-08-22 02:54:32,517 INFO L268 CegarLoopResult]: For program point L81(line 81) no Hoare annotation was computed. [2020-08-22 02:54:32,517 INFO L268 CegarLoopResult]: For program point L80(line 80) no Hoare annotation was computed. [2020-08-22 02:54:32,517 INFO L268 CegarLoopResult]: For program point stopSystemEXIT(lines 766 780) no Hoare annotation was computed. [2020-08-22 02:54:32,518 INFO L264 CegarLoopResult]: At program point stopSystemENTRY(lines 766 780) the Hoare annotation is: (let ((.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse1 (and (= |old(~systemActive~0)| ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|)))) (and (or (not (= ~waterLevel~0 1)) .cse0 .cse1) (or .cse0 .cse1 (not (<= 2 ~waterLevel~0))))) [2020-08-22 02:54:32,518 INFO L268 CegarLoopResult]: For program point stopSystemFINAL(lines 766 780) no Hoare annotation was computed. [2020-08-22 02:54:32,518 INFO L264 CegarLoopResult]: At program point L772(line 772) the Hoare annotation is: (let ((.cse0 (not (= |old(~pumpRunning~0)| 0)))) (and (or .cse0 (not (<= 2 ~waterLevel~0))) (or (not (= ~waterLevel~0 1)) .cse0))) [2020-08-22 02:54:32,518 INFO L268 CegarLoopResult]: For program point L770(lines 770 776) no Hoare annotation was computed. [2020-08-22 02:54:32,518 INFO L268 CegarLoopResult]: For program point isPumpRunningEXIT(lines 702 710) no Hoare annotation was computed. [2020-08-22 02:54:32,518 INFO L271 CegarLoopResult]: At program point isPumpRunningENTRY(lines 702 710) the Hoare annotation is: true [2020-08-22 02:54:32,518 INFO L268 CegarLoopResult]: For program point isPumpRunningFINAL(lines 702 710) no Hoare annotation was computed. [2020-08-22 02:54:32,518 INFO L268 CegarLoopResult]: For program point L754-1(line 754) no Hoare annotation was computed. [2020-08-22 02:54:32,518 INFO L271 CegarLoopResult]: At program point isLowWaterLevelENTRY(lines 747 765) the Hoare annotation is: true [2020-08-22 02:54:32,518 INFO L268 CegarLoopResult]: For program point isLowWaterLevelEXIT(lines 747 765) no Hoare annotation was computed. [2020-08-22 02:54:32,519 INFO L268 CegarLoopResult]: For program point L756(lines 756 760) no Hoare annotation was computed. [2020-08-22 02:54:32,519 INFO L271 CegarLoopResult]: At program point L754(line 754) the Hoare annotation is: true [2020-08-22 02:54:32,519 INFO L268 CegarLoopResult]: For program point L756-2(lines 756 760) no Hoare annotation was computed. [2020-08-22 02:54:32,519 INFO L268 CegarLoopResult]: For program point isLowWaterLevelFINAL(lines 747 765) no Hoare annotation was computed. [2020-08-22 02:54:32,519 INFO L268 CegarLoopResult]: For program point L730(lines 730 738) no Hoare annotation was computed. [2020-08-22 02:54:32,519 INFO L268 CegarLoopResult]: For program point L730-2(lines 730 738) no Hoare annotation was computed. [2020-08-22 02:54:32,519 INFO L268 CegarLoopResult]: For program point printPumpFINAL(lines 711 746) no Hoare annotation was computed. [2020-08-22 02:54:32,519 INFO L268 CegarLoopResult]: For program point L718(lines 718 726) no Hoare annotation was computed. [2020-08-22 02:54:32,519 INFO L268 CegarLoopResult]: For program point L718-2(lines 718 726) no Hoare annotation was computed. [2020-08-22 02:54:32,519 INFO L268 CegarLoopResult]: For program point printPumpENTRY(lines 711 746) no Hoare annotation was computed. [2020-08-22 02:54:32,519 INFO L268 CegarLoopResult]: For program point L741(line 741) no Hoare annotation was computed. [2020-08-22 02:54:32,519 INFO L268 CegarLoopResult]: For program point L741-1(line 741) no Hoare annotation was computed. [2020-08-22 02:54:32,519 INFO L268 CegarLoopResult]: For program point printPumpEXIT(lines 711 746) no Hoare annotation was computed. [2020-08-22 02:54:32,520 INFO L268 CegarLoopResult]: For program point select_featuresEXIT(lines 918 924) no Hoare annotation was computed. [2020-08-22 02:54:32,520 INFO L271 CegarLoopResult]: At program point select_featuresFINAL(lines 918 924) the Hoare annotation is: true [2020-08-22 02:54:32,520 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setENTRY(lines 150 195) no Hoare annotation was computed. [2020-08-22 02:54:32,520 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setEXIT(lines 150 195) no Hoare annotation was computed. [2020-08-22 02:54:32,520 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setFINAL(lines 150 195) no Hoare annotation was computed. [2020-08-22 02:54:32,520 INFO L268 CegarLoopResult]: For program point L477(lines 477 497) no Hoare annotation was computed. [2020-08-22 02:54:32,520 INFO L268 CegarLoopResult]: For program point L477-1(lines 477 497) no Hoare annotation was computed. [2020-08-22 02:54:32,520 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeFINAL(lines 463 508) no Hoare annotation was computed. [2020-08-22 02:54:32,521 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeENTRY(lines 463 508) no Hoare annotation was computed. [2020-08-22 02:54:32,521 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeEXIT(lines 463 508) no Hoare annotation was computed. [2020-08-22 02:54:32,521 INFO L268 CegarLoopResult]: For program point L483(lines 483 490) no Hoare annotation was computed. [2020-08-22 02:54:32,521 INFO L264 CegarLoopResult]: At program point runTestENTRY(lines 107 116) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (and (= |old(~systemActive~0)| ~systemActive~0) (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) (not (= |old(~pumpRunning~0)| 0))) [2020-08-22 02:54:32,521 INFO L268 CegarLoopResult]: For program point runTestEXIT(lines 107 116) no Hoare annotation was computed. [2020-08-22 02:54:32,521 INFO L268 CegarLoopResult]: For program point runTestFINAL(lines 107 116) no Hoare annotation was computed. [2020-08-22 02:54:32,521 INFO L271 CegarLoopResult]: At program point isMethaneAlarmENTRY(lines 691 701) the Hoare annotation is: true [2020-08-22 02:54:32,522 INFO L268 CegarLoopResult]: For program point isMethaneAlarmEXIT(lines 691 701) no Hoare annotation was computed. [2020-08-22 02:54:32,522 INFO L271 CegarLoopResult]: At program point L696(line 696) the Hoare annotation is: true [2020-08-22 02:54:32,522 INFO L268 CegarLoopResult]: For program point L696-1(line 696) no Hoare annotation was computed. [2020-08-22 02:54:32,522 INFO L268 CegarLoopResult]: For program point isMethaneAlarmFINAL(lines 691 701) no Hoare annotation was computed. [2020-08-22 02:54:32,522 INFO L271 CegarLoopResult]: At program point deactivatePumpENTRY(lines 683 690) the Hoare annotation is: true [2020-08-22 02:54:32,522 INFO L268 CegarLoopResult]: For program point deactivatePumpEXIT(lines 683 690) no Hoare annotation was computed. [2020-08-22 02:54:32,522 INFO L268 CegarLoopResult]: For program point deactivatePumpFINAL(lines 683 690) no Hoare annotation was computed. [2020-08-22 02:54:32,523 INFO L264 CegarLoopResult]: At program point L669(line 669) the Hoare annotation is: (let ((.cse0 (= 0 ~systemActive~0)) (.cse1 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse2 (not (= |old(~pumpRunning~0)| 0)))) (and (or (not (= ~waterLevel~0 1)) .cse0 .cse1 .cse2) (or .cse0 .cse1 .cse2 (not (<= 2 ~waterLevel~0))))) [2020-08-22 02:54:32,523 INFO L268 CegarLoopResult]: For program point L669-1(lines 650 674) no Hoare annotation was computed. [2020-08-22 02:54:32,523 INFO L264 CegarLoopResult]: At program point L664(line 664) the Hoare annotation is: (let ((.cse0 (= 0 ~systemActive~0)) (.cse1 (not (= |old(~pumpRunning~0)| 0)))) (and (or .cse0 .cse1 (not (<= 2 ~waterLevel~0))) (or (not (= ~waterLevel~0 1)) .cse0 .cse1))) [2020-08-22 02:54:32,523 INFO L268 CegarLoopResult]: For program point processEnvironmentEXIT(lines 650 674) no Hoare annotation was computed. [2020-08-22 02:54:32,523 INFO L264 CegarLoopResult]: At program point L660(line 660) the Hoare annotation is: (let ((.cse0 (= 0 ~systemActive~0)) (.cse1 (not (= |old(~pumpRunning~0)| 0)))) (and (or .cse0 .cse1 (not (<= 2 ~waterLevel~0))) (or (not (= ~waterLevel~0 1)) .cse0 .cse1))) [2020-08-22 02:54:32,523 INFO L264 CegarLoopResult]: At program point processEnvironmentENTRY(lines 650 674) the Hoare annotation is: (let ((.cse0 (= 0 ~systemActive~0)) (.cse1 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse2 (not (= |old(~pumpRunning~0)| 0)))) (and (or (not (= ~waterLevel~0 1)) .cse0 .cse1 .cse2) (or .cse0 .cse1 .cse2 (not (<= 2 ~waterLevel~0))))) [2020-08-22 02:54:32,523 INFO L268 CegarLoopResult]: For program point L658(lines 658 666) no Hoare annotation was computed. [2020-08-22 02:54:32,524 INFO L264 CegarLoopResult]: At program point L656(line 656) the Hoare annotation is: (let ((.cse0 (= 0 ~systemActive~0)) (.cse1 (not (= |old(~pumpRunning~0)| 0)))) (and (or .cse0 .cse1 (not (<= 2 ~waterLevel~0))) (or (not (= ~waterLevel~0 1)) .cse0 .cse1))) [2020-08-22 02:54:32,524 INFO L268 CegarLoopResult]: For program point L656-1(line 656) no Hoare annotation was computed. [2020-08-22 02:54:32,524 INFO L268 CegarLoopResult]: For program point L654(lines 654 671) no Hoare annotation was computed. [2020-08-22 02:54:32,524 INFO L268 CegarLoopResult]: For program point processEnvironment__wrappee__baseEXIT(lines 616 622) no Hoare annotation was computed. [2020-08-22 02:54:32,524 INFO L271 CegarLoopResult]: At program point processEnvironment__wrappee__baseFINAL(lines 616 622) the Hoare annotation is: true [2020-08-22 02:54:32,524 INFO L264 CegarLoopResult]: At program point testENTRY(lines 512 579) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (and (= |old(~systemActive~0)| ~systemActive~0) (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) (not (= |old(~pumpRunning~0)| 0))) [2020-08-22 02:54:32,525 INFO L264 CegarLoopResult]: At program point L572(lines 521 573) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~pumpRunning~0)| 0))) [2020-08-22 02:54:32,525 INFO L268 CegarLoopResult]: For program point testFINAL(lines 512 579) no Hoare annotation was computed. [2020-08-22 02:54:32,525 INFO L264 CegarLoopResult]: At program point L562(line 562) the Hoare annotation is: (let ((.cse0 (= ~pumpRunning~0 0)) (.cse1 (= test_~splverifierCounter~0 0))) (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (and (= ~waterLevel~0 1) .cse0 .cse1) (and (<= 2 ~waterLevel~0) .cse0 .cse1) (not (= |old(~pumpRunning~0)| 0)))) [2020-08-22 02:54:32,525 INFO L268 CegarLoopResult]: For program point L560(lines 560 566) no Hoare annotation was computed. [2020-08-22 02:54:32,525 INFO L264 CegarLoopResult]: At program point L560-1(lines 552 567) the Hoare annotation is: (let ((.cse0 (= ~pumpRunning~0 0)) (.cse1 (= test_~splverifierCounter~0 0))) (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (and (<= 2 ~waterLevel~0) .cse0 .cse1) (not (= |old(~pumpRunning~0)| 0)) (and (= |old(~waterLevel~0)| ~waterLevel~0) .cse0 .cse1))) [2020-08-22 02:54:32,525 INFO L268 CegarLoopResult]: For program point L523(lines 522 571) no Hoare annotation was computed. [2020-08-22 02:54:32,525 INFO L264 CegarLoopResult]: At program point L554(line 554) the Hoare annotation is: (let ((.cse0 (= ~pumpRunning~0 0)) (.cse1 (= test_~splverifierCounter~0 0))) (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (and (<= 2 ~waterLevel~0) .cse0 .cse1) (not (= |old(~pumpRunning~0)| 0)) (and (= |old(~waterLevel~0)| ~waterLevel~0) .cse0 .cse1))) [2020-08-22 02:54:32,526 INFO L268 CegarLoopResult]: For program point L552(lines 552 567) no Hoare annotation was computed. [2020-08-22 02:54:32,526 INFO L264 CegarLoopResult]: At program point L544(line 544) the Hoare annotation is: (let ((.cse0 (= ~pumpRunning~0 0)) (.cse1 (= test_~splverifierCounter~0 0))) (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (and (<= 2 ~waterLevel~0) .cse0 .cse1) (not (= |old(~pumpRunning~0)| 0)) (and (= |old(~waterLevel~0)| ~waterLevel~0) .cse0 .cse1))) [2020-08-22 02:54:32,526 INFO L268 CegarLoopResult]: For program point L542(lines 542 548) no Hoare annotation was computed. [2020-08-22 02:54:32,526 INFO L268 CegarLoopResult]: For program point L542-1(lines 542 548) no Hoare annotation was computed. [2020-08-22 02:54:32,526 INFO L264 CegarLoopResult]: At program point L569(lines 522 571) the Hoare annotation is: (let ((.cse0 (= ~pumpRunning~0 0)) (.cse1 (= test_~splverifierCounter~0 0))) (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (and (<= 2 ~waterLevel~0) .cse0 .cse1) (not (= |old(~pumpRunning~0)| 0)) (and (= |old(~waterLevel~0)| ~waterLevel~0) .cse0 .cse1))) [2020-08-22 02:54:32,526 INFO L264 CegarLoopResult]: At program point L534(line 534) the Hoare annotation is: (let ((.cse0 (= ~pumpRunning~0 0)) (.cse1 (= test_~splverifierCounter~0 0))) (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (and (<= 2 ~waterLevel~0) .cse0 .cse1) (not (= |old(~pumpRunning~0)| 0)) (and (= |old(~waterLevel~0)| ~waterLevel~0) .cse0 .cse1))) [2020-08-22 02:54:32,527 INFO L268 CegarLoopResult]: For program point L532(lines 532 538) no Hoare annotation was computed. [2020-08-22 02:54:32,527 INFO L268 CegarLoopResult]: For program point L532-1(lines 532 538) no Hoare annotation was computed. [2020-08-22 02:54:32,527 INFO L268 CegarLoopResult]: For program point L524(lines 524 528) no Hoare annotation was computed. [2020-08-22 02:54:32,527 INFO L268 CegarLoopResult]: For program point testEXIT(lines 512 579) no Hoare annotation was computed. [2020-08-22 02:54:32,527 INFO L268 CegarLoopResult]: For program point __utac__get_this_argENTRY(lines 417 462) no Hoare annotation was computed. [2020-08-22 02:54:32,527 INFO L268 CegarLoopResult]: For program point L437(lines 437 444) no Hoare annotation was computed. [2020-08-22 02:54:32,527 INFO L268 CegarLoopResult]: For program point __utac__get_this_argEXIT(lines 417 462) no Hoare annotation was computed. [2020-08-22 02:54:32,527 INFO L268 CegarLoopResult]: For program point __utac__get_this_argFINAL(lines 417 462) no Hoare annotation was computed. [2020-08-22 02:54:32,528 INFO L268 CegarLoopResult]: For program point L431(lines 431 451) no Hoare annotation was computed. [2020-08-22 02:54:32,528 INFO L268 CegarLoopResult]: For program point L431-1(lines 431 451) no Hoare annotation was computed. [2020-08-22 02:54:32,528 INFO L268 CegarLoopResult]: For program point isLowWaterSensorDryFINAL(lines 870 878) no Hoare annotation was computed. [2020-08-22 02:54:32,528 INFO L271 CegarLoopResult]: At program point isLowWaterSensorDryENTRY(lines 870 878) the Hoare annotation is: true [2020-08-22 02:54:32,528 INFO L268 CegarLoopResult]: For program point isLowWaterSensorDryEXIT(lines 870 878) no Hoare annotation was computed. [2020-08-22 02:54:32,528 INFO L268 CegarLoopResult]: For program point L846(lines 846 854) no Hoare annotation was computed. [2020-08-22 02:54:32,528 INFO L268 CegarLoopResult]: For program point L846-2(lines 846 854) no Hoare annotation was computed. [2020-08-22 02:54:32,528 INFO L268 CegarLoopResult]: For program point printEnvironmentEXIT(lines 838 860) no Hoare annotation was computed. [2020-08-22 02:54:32,529 INFO L268 CegarLoopResult]: For program point printEnvironmentENTRY(lines 838 860) no Hoare annotation was computed. [2020-08-22 02:54:32,529 INFO L268 CegarLoopResult]: For program point printEnvironmentFINAL(lines 838 860) no Hoare annotation was computed. [2020-08-22 02:54:32,529 INFO L268 CegarLoopResult]: For program point L384(lines 362 385) no Hoare annotation was computed. [2020-08-22 02:54:32,529 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtENTRY(lines 314 416) no Hoare annotation was computed. [2020-08-22 02:54:32,529 INFO L268 CegarLoopResult]: For program point L343(lines 343 359) no Hoare annotation was computed. [2020-08-22 02:54:32,529 INFO L268 CegarLoopResult]: For program point L403(lines 403 410) no Hoare annotation was computed. [2020-08-22 02:54:32,529 INFO L268 CegarLoopResult]: For program point L364(lines 363 383) no Hoare annotation was computed. [2020-08-22 02:54:32,529 INFO L268 CegarLoopResult]: For program point L395(line 395) no Hoare annotation was computed. [2020-08-22 02:54:32,530 INFO L268 CegarLoopResult]: For program point L395-1(line 395) no Hoare annotation was computed. [2020-08-22 02:54:32,530 INFO L268 CegarLoopResult]: For program point L360(lines 360 401) no Hoare annotation was computed. [2020-08-22 02:54:32,530 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtFINAL(lines 314 416) no Hoare annotation was computed. [2020-08-22 02:54:32,530 INFO L268 CegarLoopResult]: For program point L379(line 379) no Hoare annotation was computed. [2020-08-22 02:54:32,530 INFO L268 CegarLoopResult]: For program point L379-1(line 379) no Hoare annotation was computed. [2020-08-22 02:54:32,530 INFO L268 CegarLoopResult]: For program point L338(lines 338 342) no Hoare annotation was computed. [2020-08-22 02:54:32,530 INFO L268 CegarLoopResult]: For program point L402(lines 402 413) no Hoare annotation was computed. [2020-08-22 02:54:32,531 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtEXIT(lines 314 416) no Hoare annotation was computed. [2020-08-22 02:54:32,531 INFO L268 CegarLoopResult]: For program point L365(lines 365 369) no Hoare annotation was computed. [2020-08-22 02:54:32,531 INFO L268 CegarLoopResult]: For program point L363-2(lines 363 383) no Hoare annotation was computed. [2020-08-22 02:54:32,531 INFO L268 CegarLoopResult]: For program point select_oneENTRY(lines 908 917) no Hoare annotation was computed. [2020-08-22 02:54:32,531 INFO L268 CegarLoopResult]: For program point select_oneFINAL(lines 908 917) no Hoare annotation was computed. [2020-08-22 02:54:32,531 INFO L268 CegarLoopResult]: For program point select_oneEXIT(lines 908 917) no Hoare annotation was computed. [2020-08-22 02:54:32,531 INFO L268 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-08-22 02:54:32,532 INFO L264 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= |#t~string67.offset| |old(#t~string67.offset)|) (= |#t~string65.base| |old(#t~string65.base)|) (= |old(#length)| |#length|) (= |#t~string29.offset| |old(#t~string29.offset)|) (= |#t~string56.base| |old(#t~string56.base)|) (= |#t~string58.base| |old(#t~string58.base)|) (= |old(#valid)| |#valid|) (= |#t~string61.base| |old(#t~string61.base)|) (= |#t~string50.base| |old(#t~string50.base)|) (= |#t~string30.offset| |old(#t~string30.offset)|) (= |#t~string44.offset| |old(#t~string44.offset)|) (= |#t~string32.base| |old(#t~string32.base)|) (= |#t~string28.base| |old(#t~string28.base)|) (= |#t~string31.base| |old(#t~string31.base)|) (= |#t~string69.base| |old(#t~string69.base)|) (= |#t~string48.base| |old(#t~string48.base)|) (= |#t~string21.base| |old(#t~string21.base)|) (= ~head~0.base |old(~head~0.base)|) (= |#t~string52.offset| |old(#t~string52.offset)|) (= |#t~string24.offset| |old(#t~string24.offset)|) (= |#t~string46.base| |old(#t~string46.base)|) (= |#t~string19.offset| |old(#t~string19.offset)|) (= |#t~string65.offset| |old(#t~string65.offset)|) (= |#t~string67.base| |old(#t~string67.base)|) (= |#t~string29.base| |old(#t~string29.base)|) (= |#t~string21.offset| |old(#t~string21.offset)|) (= ~systemActive~0 |old(~systemActive~0)|) (= ~methaneLevelCritical~0 |old(~methaneLevelCritical~0)|) (= |#t~string63.base| |old(#t~string63.base)|) (= |#t~string24.base| |old(#t~string24.base)|) (= |#t~string50.offset| |old(#t~string50.offset)|) (= |#t~string23.offset| |old(#t~string23.offset)|) (= ~head~0.offset |old(~head~0.offset)|) (= |#t~string33.base| |old(#t~string33.base)|) (= |#t~string20.base| |old(#t~string20.base)|) (= |#t~string22.offset| |old(#t~string22.offset)|) (= |#t~string56.offset| |old(#t~string56.offset)|) (= |#t~string58.offset| |old(#t~string58.offset)|) (= |#t~string54.offset| |old(#t~string54.offset)|) (= |#t~string28.offset| |old(#t~string28.offset)|) (= |#t~string19.base| |old(#t~string19.base)|) (= |#t~string52.base| |old(#t~string52.base)|) (= |#t~string61.offset| |old(#t~string61.offset)|) (= |#t~string22.base| |old(#t~string22.base)|) (= |#t~string23.base| |old(#t~string23.base)|) (= |#t~string54.base| |old(#t~string54.base)|) (= |#NULL.base| |old(#NULL.base)|) (= |#t~string44.base| |old(#t~string44.base)|) (= |#t~string69.offset| |old(#t~string69.offset)|) (= ~waterLevel~0 |old(~waterLevel~0)|) (= |#t~string63.offset| |old(#t~string63.offset)|) (= |#t~string48.offset| |old(#t~string48.offset)|) (= ~cleanupTimeShifts~0 |old(~cleanupTimeShifts~0)|) (= |#t~string31.offset| |old(#t~string31.offset)|) (= |#t~string33.offset| |old(#t~string33.offset)|) (= |#t~string46.offset| |old(#t~string46.offset)|) (= |#t~string30.base| |old(#t~string30.base)|) (= |#t~string20.offset| |old(#t~string20.offset)|) (= |#t~string32.offset| |old(#t~string32.offset)|) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |#NULL.offset| |old(#NULL.offset)|)) [2020-08-22 02:54:32,532 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-08-22 02:54:32,532 INFO L268 CegarLoopResult]: For program point activatePumpFINAL(lines 675 682) no Hoare annotation was computed. [2020-08-22 02:54:32,532 INFO L268 CegarLoopResult]: For program point activatePumpEXIT(lines 675 682) no Hoare annotation was computed. [2020-08-22 02:54:32,532 INFO L268 CegarLoopResult]: For program point activatePumpENTRY(lines 675 682) no Hoare annotation was computed. [2020-08-22 02:54:32,532 INFO L271 CegarLoopResult]: At program point getWaterLevelENTRY(lines 861 869) the Hoare annotation is: true [2020-08-22 02:54:32,533 INFO L268 CegarLoopResult]: For program point getWaterLevelFINAL(lines 861 869) no Hoare annotation was computed. [2020-08-22 02:54:32,533 INFO L268 CegarLoopResult]: For program point getWaterLevelEXIT(lines 861 869) no Hoare annotation was computed. [2020-08-22 02:54:32,533 INFO L264 CegarLoopResult]: At program point changeMethaneLevelENTRY(lines 817 828) the Hoare annotation is: (let ((.cse0 (not (= ~pumpRunning~0 0))) (.cse1 (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0))) (and (or (not (= ~waterLevel~0 1)) .cse0 .cse1) (or .cse0 .cse1 (not (<= 2 ~waterLevel~0))))) [2020-08-22 02:54:32,533 INFO L268 CegarLoopResult]: For program point changeMethaneLevelEXIT(lines 817 828) no Hoare annotation was computed. [2020-08-22 02:54:32,533 INFO L268 CegarLoopResult]: For program point L821-1(lines 817 828) no Hoare annotation was computed. [2020-08-22 02:54:32,533 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intEXIT(line -1) no Hoare annotation was computed. [2020-08-22 02:54:32,533 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intENTRY(line -1) no Hoare annotation was computed. [2020-08-22 02:54:32,533 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intFINAL(line -1) no Hoare annotation was computed. [2020-08-22 02:54:32,534 INFO L264 CegarLoopResult]: At program point L605(line 605) the Hoare annotation is: (let ((.cse0 (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (= 0 ~systemActive~0)))) (.cse1 (not (= |old(~pumpRunning~0)| 0)))) (and (or (not (<= 2 |old(~waterLevel~0)|)) .cse0 .cse1) (or (not (= |old(~waterLevel~0)| 1)) .cse0 .cse1))) [2020-08-22 02:54:32,534 INFO L264 CegarLoopResult]: At program point L603(lines 603 609) the Hoare annotation is: (let ((.cse0 (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|))) (.cse1 (not (= |old(~pumpRunning~0)| 0)))) (and (or .cse0 (not (<= 2 |old(~waterLevel~0)|)) .cse1) (or .cse0 (not (= |old(~waterLevel~0)| 1)) .cse1))) [2020-08-22 02:54:32,534 INFO L264 CegarLoopResult]: At program point L598(line 598) the Hoare annotation is: (let ((.cse0 (not (= |old(~pumpRunning~0)| 0)))) (and (or (not (= |old(~waterLevel~0)| 1)) .cse0) (or (not (<= 2 |old(~waterLevel~0)|)) .cse0))) [2020-08-22 02:54:32,534 INFO L268 CegarLoopResult]: For program point L596(lines 595 614) no Hoare annotation was computed. [2020-08-22 02:54:32,534 INFO L264 CegarLoopResult]: At program point timeShiftENTRY(lines 592 615) the Hoare annotation is: (let ((.cse0 (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|))) (.cse1 (not (= |old(~pumpRunning~0)| 0)))) (and (or .cse0 (not (<= 2 |old(~waterLevel~0)|)) .cse1) (or .cse0 (not (= |old(~waterLevel~0)| 1)) .cse1))) [2020-08-22 02:54:32,534 INFO L268 CegarLoopResult]: For program point timeShiftEXIT(lines 592 615) no Hoare annotation was computed. [2020-08-22 02:54:32,535 INFO L268 CegarLoopResult]: For program point timeShiftFINAL(lines 592 615) no Hoare annotation was computed. [2020-08-22 02:54:32,535 INFO L268 CegarLoopResult]: For program point cleanupEXIT(lines 42 71) no Hoare annotation was computed. [2020-08-22 02:54:32,535 INFO L268 CegarLoopResult]: For program point L63(line 63) no Hoare annotation was computed. [2020-08-22 02:54:32,535 INFO L271 CegarLoopResult]: At program point cleanupENTRY(lines 42 71) the Hoare annotation is: true [2020-08-22 02:54:32,535 INFO L268 CegarLoopResult]: For program point L56(lines 56 60) no Hoare annotation was computed. [2020-08-22 02:54:32,535 INFO L271 CegarLoopResult]: At program point L56-1(lines 56 60) the Hoare annotation is: true [2020-08-22 02:54:32,535 INFO L268 CegarLoopResult]: For program point L53(line 53) no Hoare annotation was computed. [2020-08-22 02:54:32,535 INFO L271 CegarLoopResult]: At program point L52-2(lines 52 66) the Hoare annotation is: true [2020-08-22 02:54:32,536 INFO L271 CegarLoopResult]: At program point L48(line 48) the Hoare annotation is: true [2020-08-22 02:54:32,536 INFO L268 CegarLoopResult]: For program point L48-1(line 48) no Hoare annotation was computed. [2020-08-22 02:54:32,536 INFO L271 CegarLoopResult]: At program point L67(lines 42 71) the Hoare annotation is: true [2020-08-22 02:54:32,536 INFO L271 CegarLoopResult]: At program point isMethaneLevelCriticalENTRY(lines 829 837) the Hoare annotation is: true [2020-08-22 02:54:32,536 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalFINAL(lines 829 837) no Hoare annotation was computed. [2020-08-22 02:54:32,536 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalEXIT(lines 829 837) no Hoare annotation was computed. [2020-08-22 02:54:32,536 INFO L271 CegarLoopResult]: At program point lowerWaterLevelENTRY(lines 793 804) the Hoare annotation is: true [2020-08-22 02:54:32,536 INFO L268 CegarLoopResult]: For program point L797-1(lines 793 804) no Hoare annotation was computed. [2020-08-22 02:54:32,536 INFO L268 CegarLoopResult]: For program point lowerWaterLevelEXIT(lines 793 804) no Hoare annotation was computed. [2020-08-22 02:54:32,537 INFO L268 CegarLoopResult]: For program point setupEXIT(lines 99 105) no Hoare annotation was computed. [2020-08-22 02:54:32,537 INFO L271 CegarLoopResult]: At program point setupFINAL(lines 99 105) the Hoare annotation is: true [2020-08-22 02:54:32,537 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-08-22 02:54:32,537 INFO L264 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (and (= ~waterLevel~0 1) (= 1 ~systemActive~0) (= ~pumpRunning~0 0)) [2020-08-22 02:54:32,537 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-08-22 02:54:32,537 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-08-22 02:54:32,537 INFO L268 CegarLoopResult]: For program point startSystemEXIT(lines 781 788) no Hoare annotation was computed. [2020-08-22 02:54:32,537 INFO L264 CegarLoopResult]: At program point startSystemENTRY(lines 781 788) the Hoare annotation is: (let ((.cse0 (= |old(~systemActive~0)| ~systemActive~0)) (.cse1 (not (= ~pumpRunning~0 0)))) (and (or .cse0 (not (= ~waterLevel~0 1)) .cse1) (or .cse0 .cse1 (not (<= 2 ~waterLevel~0))))) [2020-08-22 02:54:32,538 INFO L268 CegarLoopResult]: For program point startSystemFINAL(lines 781 788) no Hoare annotation was computed. [2020-08-22 02:54:32,538 INFO L268 CegarLoopResult]: For program point waterRiseEXIT(lines 805 816) no Hoare annotation was computed. [2020-08-22 02:54:32,538 INFO L268 CegarLoopResult]: For program point L809-1(lines 805 816) no Hoare annotation was computed. [2020-08-22 02:54:32,538 INFO L264 CegarLoopResult]: At program point waterRiseENTRY(lines 805 816) the Hoare annotation is: (let ((.cse0 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse1 (not (= ~pumpRunning~0 0)))) (and (or .cse0 (not (<= 2 |old(~waterLevel~0)|)) .cse1) (or (not (= |old(~waterLevel~0)| 1)) .cse0 .cse1))) [2020-08-22 02:54:32,538 INFO L268 CegarLoopResult]: For program point __automaton_failFINAL(lines 942 949) no Hoare annotation was computed. [2020-08-22 02:54:32,538 INFO L268 CegarLoopResult]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 946) no Hoare annotation was computed. [2020-08-22 02:54:32,539 INFO L271 CegarLoopResult]: At program point __automaton_failENTRY(lines 942 949) the Hoare annotation is: true [2020-08-22 02:54:32,539 INFO L268 CegarLoopResult]: For program point __automaton_failEXIT(lines 942 949) no Hoare annotation was computed. [2020-08-22 02:54:32,539 INFO L264 CegarLoopResult]: At program point L638(line 638) the Hoare annotation is: (let ((.cse0 (= 0 ~systemActive~0)) (.cse1 (not (= |old(~pumpRunning~0)| 0)))) (and (or .cse0 .cse1 (not (<= 2 ~waterLevel~0))) (or (not (= ~waterLevel~0 1)) .cse0 .cse1))) [2020-08-22 02:54:32,539 INFO L268 CegarLoopResult]: For program point processEnvironment__wrappee__lowWaterSensorEXIT(lines 624 648) no Hoare annotation was computed. [2020-08-22 02:54:32,539 INFO L264 CegarLoopResult]: At program point processEnvironment__wrappee__lowWaterSensorENTRY(lines 624 648) the Hoare annotation is: (let ((.cse0 (= 0 ~systemActive~0)) (.cse1 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse2 (not (= |old(~pumpRunning~0)| 0)))) (and (or (not (= ~waterLevel~0 1)) .cse0 .cse1 .cse2) (or .cse0 .cse1 .cse2 (not (<= 2 ~waterLevel~0))))) [2020-08-22 02:54:32,539 INFO L264 CegarLoopResult]: At program point L634(line 634) the Hoare annotation is: (let ((.cse0 (= 0 ~systemActive~0)) (.cse1 (not (= |old(~pumpRunning~0)| 0)))) (and (or .cse0 .cse1 (not (<= 2 ~waterLevel~0))) (or (not (= ~waterLevel~0 1)) .cse0 .cse1))) [2020-08-22 02:54:32,540 INFO L268 CegarLoopResult]: For program point L632(lines 632 640) no Hoare annotation was computed. [2020-08-22 02:54:32,540 INFO L264 CegarLoopResult]: At program point L630(line 630) the Hoare annotation is: (let ((.cse0 (= 0 ~systemActive~0)) (.cse1 (not (= |old(~pumpRunning~0)| 0)))) (and (or .cse0 .cse1 (not (<= 2 ~waterLevel~0))) (or (not (= ~waterLevel~0 1)) .cse0 .cse1))) [2020-08-22 02:54:32,540 INFO L268 CegarLoopResult]: For program point L630-1(line 630) no Hoare annotation was computed. [2020-08-22 02:54:32,540 INFO L268 CegarLoopResult]: For program point L628(lines 628 645) no Hoare annotation was computed. [2020-08-22 02:54:32,540 INFO L264 CegarLoopResult]: At program point L643(line 643) the Hoare annotation is: (let ((.cse0 (= 0 ~systemActive~0)) (.cse1 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse2 (not (= |old(~pumpRunning~0)| 0)))) (and (or (not (= ~waterLevel~0 1)) .cse0 .cse1 .cse2) (or .cse0 .cse1 .cse2 (not (<= 2 ~waterLevel~0))))) [2020-08-22 02:54:32,540 INFO L268 CegarLoopResult]: For program point L643-1(lines 624 648) no Hoare annotation was computed. [2020-08-22 02:54:32,558 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.08 02:54:32 BoogieIcfgContainer [2020-08-22 02:54:32,558 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-08-22 02:54:32,560 INFO L168 Benchmark]: Toolchain (without parser) took 36433.40 ms. Allocated memory was 139.5 MB in the beginning and 808.5 MB in the end (delta: 669.0 MB). Free memory was 102.0 MB in the beginning and 109.3 MB in the end (delta: -7.3 MB). Peak memory consumption was 662.3 MB. Max. memory is 7.1 GB. [2020-08-22 02:54:32,561 INFO L168 Benchmark]: CDTParser took 0.19 ms. Allocated memory is still 139.5 MB. Free memory was 121.0 MB in the beginning and 120.8 MB in the end (delta: 209.8 kB). There was no memory consumed. Max. memory is 7.1 GB. [2020-08-22 02:54:32,561 INFO L168 Benchmark]: CACSL2BoogieTranslator took 689.75 ms. Allocated memory was 139.5 MB in the beginning and 201.3 MB in the end (delta: 61.9 MB). Free memory was 101.8 MB in the beginning and 167.6 MB in the end (delta: -65.9 MB). Peak memory consumption was 25.5 MB. Max. memory is 7.1 GB. [2020-08-22 02:54:32,562 INFO L168 Benchmark]: Boogie Preprocessor took 108.23 ms. Allocated memory is still 201.3 MB. Free memory was 167.6 MB in the beginning and 163.7 MB in the end (delta: 4.0 MB). Peak memory consumption was 4.0 MB. Max. memory is 7.1 GB. [2020-08-22 02:54:32,563 INFO L168 Benchmark]: RCFGBuilder took 1129.24 ms. Allocated memory was 201.3 MB in the beginning and 234.4 MB in the end (delta: 33.0 MB). Free memory was 163.7 MB in the beginning and 193.6 MB in the end (delta: -29.9 MB). Peak memory consumption was 82.4 MB. Max. memory is 7.1 GB. [2020-08-22 02:54:32,564 INFO L168 Benchmark]: TraceAbstraction took 34501.56 ms. Allocated memory was 234.4 MB in the beginning and 808.5 MB in the end (delta: 574.1 MB). Free memory was 192.2 MB in the beginning and 109.3 MB in the end (delta: 82.9 MB). Peak memory consumption was 657.6 MB. Max. memory is 7.1 GB. [2020-08-22 02:54:32,567 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 139.5 MB. Free memory was 121.0 MB in the beginning and 120.8 MB in the end (delta: 209.8 kB). There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 689.75 ms. Allocated memory was 139.5 MB in the beginning and 201.3 MB in the end (delta: 61.9 MB). Free memory was 101.8 MB in the beginning and 167.6 MB in the end (delta: -65.9 MB). Peak memory consumption was 25.5 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 108.23 ms. Allocated memory is still 201.3 MB. Free memory was 167.6 MB in the beginning and 163.7 MB in the end (delta: 4.0 MB). Peak memory consumption was 4.0 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1129.24 ms. Allocated memory was 201.3 MB in the beginning and 234.4 MB in the end (delta: 33.0 MB). Free memory was 163.7 MB in the beginning and 193.6 MB in the end (delta: -29.9 MB). Peak memory consumption was 82.4 MB. Max. memory is 7.1 GB. * TraceAbstraction took 34501.56 ms. Allocated memory was 234.4 MB in the beginning and 808.5 MB in the end (delta: 574.1 MB). Free memory was 192.2 MB in the beginning and 109.3 MB in the end (delta: 82.9 MB). Peak memory consumption was 657.6 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 946]: 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: 522]: Loop Invariant Derived loop invariant: (((!(\old(systemActive) == 1) || !(\old(waterLevel) == 1)) || ((2 <= waterLevel && pumpRunning == 0) && splverifierCounter == 0)) || !(\old(pumpRunning) == 0)) || ((\old(waterLevel) == waterLevel && pumpRunning == 0) && splverifierCounter == 0) - InvariantResult [Line: 52]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 42]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 521]: Loop Invariant Derived loop invariant: (!(\old(systemActive) == 1) || !(\old(waterLevel) == 1)) || !(\old(pumpRunning) == 0) - StatisticsResult: Ultimate Automizer benchmark data CFG has 40 procedures, 234 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 19.8s, OverallIterations: 6, TraceHistogramMax: 2, AutomataDifference: 16.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 14.5s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 675 SDtfs, 1480 SDslu, 621 SDs, 0 SdLazy, 3390 SolverSat, 1024 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 8.5s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 182 GetRequests, 116 SyntacticMatches, 2 SemanticMatches, 64 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 161 ImplicationChecksByTransitivity, 7.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=706occurred 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: 0.5s AutomataMinimizationTime, 6 MinimizatonAttempts, 300 StatesRemovedByMinimization, 5 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 62 LocationsWithAnnotation, 838 PreInvPairs, 906 NumberOfFragments, 1208 HoareAnnotationTreeSize, 838 FomulaSimplifications, 176038 FormulaSimplificationTreeSizeReduction, 3.6s HoareSimplificationTime, 62 FomulaSimplificationsInter, 21992 FormulaSimplificationTreeSizeReductionInter, 10.8s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 2.3s InterpolantComputationTime, 352 NumberOfCodeBlocks, 352 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 346 ConstructedInterpolants, 0 QuantifiedInterpolants, 106070 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 6 InterpolantComputations, 5 PerfectInterpolantSequences, 17/24 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...