/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data --traceabstraction.trace.refinement.strategy FIXED_PREFERENCES --traceabstraction.compute.interpolants.along.a.counterexample FPandBPonlyIfFpWasNotPerfect -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.assert.codeblocks SMT_FEATURE_HEURISTIC --traceabstraction.assert.codeblocks.term.scoring.heuristic NUM_FUNCTIONS --traceabstraction.assert.codeblocks.term.scoring.heuristic.partitioning.strategy FIXED_NUM_PARTITIONS --traceabstraction.assert.codeblocks.term.scoring.heuristic.number.of.partitions 4 -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/product-lines/minepump_spec3_product53.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-d623d84 [2020-07-20 13:02:56,735 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-07-20 13:02:56,738 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-07-20 13:02:56,755 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-07-20 13:02:56,756 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-07-20 13:02:56,757 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-07-20 13:02:56,759 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-07-20 13:02:56,770 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-07-20 13:02:56,774 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-07-20 13:02:56,775 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-07-20 13:02:56,777 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-07-20 13:02:56,778 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-07-20 13:02:56,779 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-07-20 13:02:56,782 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-07-20 13:02:56,785 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-07-20 13:02:56,786 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-07-20 13:02:56,789 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-07-20 13:02:56,791 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-07-20 13:02:56,792 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-07-20 13:02:56,798 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-07-20 13:02:56,804 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-07-20 13:02:56,807 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-07-20 13:02:56,808 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-07-20 13:02:56,810 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-07-20 13:02:56,813 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-07-20 13:02:56,813 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-07-20 13:02:56,814 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-07-20 13:02:56,816 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-07-20 13:02:56,817 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-07-20 13:02:56,819 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-07-20 13:02:56,819 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-07-20 13:02:56,820 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-07-20 13:02:56,821 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-07-20 13:02:56,822 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-07-20 13:02:56,823 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-07-20 13:02:56,823 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-07-20 13:02:56,823 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-07-20 13:02:56,824 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-07-20 13:02:56,824 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-07-20 13:02:56,825 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-07-20 13:02:56,826 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-07-20 13:02:56,827 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2020-07-20 13:02:56,851 INFO L113 SettingsManager]: Loading preferences was successful [2020-07-20 13:02:56,851 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-07-20 13:02:56,853 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-07-20 13:02:56,853 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-07-20 13:02:56,854 INFO L138 SettingsManager]: * Use SBE=true [2020-07-20 13:02:56,854 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-07-20 13:02:56,854 INFO L138 SettingsManager]: * sizeof long=4 [2020-07-20 13:02:56,854 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-07-20 13:02:56,855 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-07-20 13:02:56,855 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-07-20 13:02:56,856 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-07-20 13:02:56,856 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-07-20 13:02:56,856 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-07-20 13:02:56,857 INFO L138 SettingsManager]: * sizeof long double=12 [2020-07-20 13:02:56,857 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-07-20 13:02:56,857 INFO L138 SettingsManager]: * Use constant arrays=true [2020-07-20 13:02:56,857 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-07-20 13:02:56,858 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-07-20 13:02:56,858 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-07-20 13:02:56,858 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-07-20 13:02:56,858 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-07-20 13:02:56,858 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-20 13:02:56,859 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-07-20 13:02:56,859 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-07-20 13:02:56,859 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-07-20 13:02:56,859 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-07-20 13:02:56,859 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 13:02:56,860 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-07-20 13:02:56,860 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-07-20 13:02:56,860 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 -> FPandBPonlyIfFpWasNotPerfect Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Assert CodeBlocks -> SMT_FEATURE_HEURISTIC Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Assert CodeBlocks Term Scoring Heuristic -> NUM_FUNCTIONS Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Assert CodeBlocks Term Scoring Heuristic Partitioning Strategy -> FIXED_NUM_PARTITIONS Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Assert CodeBlocks Term Scoring Heuristic number of partitions -> 4 [2020-07-20 13:02:57,178 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2020-07-20 13:02:57,198 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-07-20 13:02:57,201 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-07-20 13:02:57,203 INFO L271 PluginConnector]: Initializing CDTParser... [2020-07-20 13:02:57,203 INFO L275 PluginConnector]: CDTParser initialized [2020-07-20 13:02:57,204 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec3_product53.cil.c [2020-07-20 13:02:57,275 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/de28a4502/a08ddf3e68c04628bffeb9df51021558/FLAGbf21da74d [2020-07-20 13:02:57,811 INFO L306 CDTParser]: Found 1 translation units. [2020-07-20 13:02:57,812 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec3_product53.cil.c [2020-07-20 13:02:57,828 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/de28a4502/a08ddf3e68c04628bffeb9df51021558/FLAGbf21da74d [2020-07-20 13:02:58,111 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/de28a4502/a08ddf3e68c04628bffeb9df51021558 [2020-07-20 13:02:58,119 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-07-20 13:02:58,121 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-07-20 13:02:58,122 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-07-20 13:02:58,122 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-07-20 13:02:58,126 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-07-20 13:02:58,127 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.07 01:02:58" (1/1) ... [2020-07-20 13:02:58,130 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@ac4901b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 01:02:58, skipping insertion in model container [2020-07-20 13:02:58,130 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.07 01:02:58" (1/1) ... [2020-07-20 13:02:58,138 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-07-20 13:02:58,181 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-07-20 13:02:58,694 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-20 13:02:58,708 INFO L203 MainTranslator]: Completed pre-run [2020-07-20 13:02:58,778 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-20 13:02:58,814 INFO L208 MainTranslator]: Completed translation [2020-07-20 13:02:58,815 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 01:02:58 WrapperNode [2020-07-20 13:02:58,815 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-07-20 13:02:58,816 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-07-20 13:02:58,816 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-07-20 13:02:58,816 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-07-20 13:02:58,829 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 01:02:58" (1/1) ... [2020-07-20 13:02:58,830 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 01:02:58" (1/1) ... [2020-07-20 13:02:58,849 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 01:02:58" (1/1) ... [2020-07-20 13:02:58,850 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 01:02:58" (1/1) ... [2020-07-20 13:02:58,880 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 01:02:58" (1/1) ... [2020-07-20 13:02:58,890 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 01:02:58" (1/1) ... [2020-07-20 13:02:58,895 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 01:02:58" (1/1) ... [2020-07-20 13:02:58,903 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-07-20 13:02:58,903 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-07-20 13:02:58,903 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-07-20 13:02:58,904 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-07-20 13:02:58,904 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 01:02:58" (1/1) ... No working directory specified, using /storage/repos/ultimate/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 [2020-07-20 13:02:58,979 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-07-20 13:02:58,979 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-07-20 13:02:58,980 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-07-20 13:02:58,980 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-07-20 13:02:58,980 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-07-20 13:02:58,981 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-07-20 13:02:58,981 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-07-20 13:02:58,981 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-07-20 13:02:58,981 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-07-20 13:02:58,981 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-07-20 13:02:58,982 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2020-07-20 13:02:58,983 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2020-07-20 13:02:58,983 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__lowWaterSensor [2020-07-20 13:02:58,983 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-07-20 13:02:58,983 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-07-20 13:02:58,984 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-07-20 13:02:58,984 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-07-20 13:02:58,984 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-07-20 13:02:58,985 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-07-20 13:02:58,985 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2020-07-20 13:02:58,985 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2020-07-20 13:02:58,985 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-07-20 13:02:58,985 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-07-20 13:02:58,985 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-07-20 13:02:58,986 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-07-20 13:02:58,987 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-07-20 13:02:58,987 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-07-20 13:02:58,987 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2020-07-20 13:02:58,987 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2020-07-20 13:02:58,987 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification3_spec__1 [2020-07-20 13:02:58,987 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-07-20 13:02:58,988 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-07-20 13:02:58,988 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-07-20 13:02:58,988 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-07-20 13:02:58,988 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-07-20 13:02:58,988 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-07-20 13:02:58,988 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-07-20 13:02:58,988 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-07-20 13:02:58,989 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-07-20 13:02:58,989 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-07-20 13:02:58,989 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-07-20 13:02:58,989 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-07-20 13:02:58,989 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-07-20 13:02:58,989 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-07-20 13:02:58,990 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-07-20 13:02:58,990 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-07-20 13:02:58,990 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-07-20 13:02:58,990 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-07-20 13:02:58,990 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-07-20 13:02:58,990 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-07-20 13:02:58,990 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-07-20 13:02:58,991 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-07-20 13:02:58,991 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-07-20 13:02:58,991 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-07-20 13:02:58,991 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-07-20 13:02:58,991 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-07-20 13:02:58,992 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-07-20 13:02:58,992 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2020-07-20 13:02:58,992 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2020-07-20 13:02:58,993 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-07-20 13:02:58,993 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-07-20 13:02:58,993 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-07-20 13:02:58,993 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-07-20 13:02:58,993 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification3_spec__1 [2020-07-20 13:02:58,994 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-07-20 13:02:58,994 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2020-07-20 13:02:58,994 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2020-07-20 13:02:58,994 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2020-07-20 13:02:58,994 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2020-07-20 13:02:58,995 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__lowWaterSensor [2020-07-20 13:02:58,995 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-07-20 13:02:58,995 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-07-20 13:02:58,996 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-07-20 13:02:58,996 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-07-20 13:02:58,996 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-07-20 13:02:58,997 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-07-20 13:02:58,997 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-07-20 13:02:58,997 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-07-20 13:02:58,998 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-07-20 13:02:58,998 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-07-20 13:02:58,999 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-07-20 13:02:58,999 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-07-20 13:02:58,999 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-07-20 13:02:58,999 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-07-20 13:02:59,000 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-07-20 13:02:59,000 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-07-20 13:02:59,000 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-07-20 13:02:59,000 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-07-20 13:02:59,000 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-07-20 13:02:59,001 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-07-20 13:02:59,001 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-07-20 13:02:59,001 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-07-20 13:02:59,001 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-07-20 13:02:59,001 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-07-20 13:02:59,001 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-07-20 13:02:59,001 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-07-20 13:03:00,240 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-07-20 13:03:00,240 INFO L295 CfgBuilder]: Removed 5 assume(true) statements. [2020-07-20 13:03:00,245 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.07 01:03:00 BoogieIcfgContainer [2020-07-20 13:03:00,245 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-07-20 13:03:00,246 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-07-20 13:03:00,247 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-07-20 13:03:00,250 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-07-20 13:03:00,250 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.07 01:02:58" (1/3) ... [2020-07-20 13:03:00,251 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@21b3c94b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.07 01:03:00, skipping insertion in model container [2020-07-20 13:03:00,251 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 01:02:58" (2/3) ... [2020-07-20 13:03:00,252 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@21b3c94b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.07 01:03:00, skipping insertion in model container [2020-07-20 13:03:00,252 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.07 01:03:00" (3/3) ... [2020-07-20 13:03:00,253 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec3_product53.cil.c [2020-07-20 13:03:00,264 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBPonlyIfFpWasNotPerfect Determinization: PREDICATE_ABSTRACTION [2020-07-20 13:03:00,272 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-07-20 13:03:00,286 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-07-20 13:03:00,312 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-07-20 13:03:00,313 INFO L376 AbstractCegarLoop]: Hoare is true [2020-07-20 13:03:00,313 INFO L377 AbstractCegarLoop]: Compute interpolants for FPandBPonlyIfFpWasNotPerfect [2020-07-20 13:03:00,313 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-07-20 13:03:00,313 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-07-20 13:03:00,313 INFO L380 AbstractCegarLoop]: Difference is false [2020-07-20 13:03:00,314 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-07-20 13:03:00,314 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-07-20 13:03:00,337 INFO L276 IsEmpty]: Start isEmpty. Operand 192 states. [2020-07-20 13:03:00,348 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2020-07-20 13:03:00,348 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 13:03:00,349 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] [2020-07-20 13:03:00,350 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 13:03:00,355 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 13:03:00,356 INFO L82 PathProgramCache]: Analyzing trace with hash 1930033303, now seen corresponding path program 1 times [2020-07-20 13:03:00,362 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 13:03:00,362 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [354293750] [2020-07-20 13:03:00,363 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 13:03:00,889 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 3 check-sat command(s) [2020-07-20 13:03:00,890 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-20 13:03:00,896 INFO L263 TraceCheckSpWp]: Trace formula consists of 629 conjuncts, 1 conjunts are in the unsatisfiable core [2020-07-20 13:03:00,904 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 13:03:00,935 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-20 13:03:00,935 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-20 13:03:00,936 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [354293750] [2020-07-20 13:03:00,937 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 13:03:00,937 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-07-20 13:03:00,938 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1630608570] [2020-07-20 13:03:00,944 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-07-20 13:03:00,944 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 13:03:00,958 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-07-20 13:03:00,959 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-07-20 13:03:00,961 INFO L87 Difference]: Start difference. First operand 192 states. Second operand 2 states. [2020-07-20 13:03:01,007 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 13:03:01,007 INFO L93 Difference]: Finished difference Result 298 states and 371 transitions. [2020-07-20 13:03:01,007 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-07-20 13:03:01,008 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 52 [2020-07-20 13:03:01,009 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 13:03:01,022 INFO L225 Difference]: With dead ends: 298 [2020-07-20 13:03:01,022 INFO L226 Difference]: Without dead ends: 149 [2020-07-20 13:03:01,027 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 51 GetRequests, 51 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-07-20 13:03:01,045 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 149 states. [2020-07-20 13:03:01,080 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 149 to 149. [2020-07-20 13:03:01,081 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 149 states. [2020-07-20 13:03:01,084 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 149 states to 149 states and 177 transitions. [2020-07-20 13:03:01,086 INFO L78 Accepts]: Start accepts. Automaton has 149 states and 177 transitions. Word has length 52 [2020-07-20 13:03:01,087 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 13:03:01,087 INFO L479 AbstractCegarLoop]: Abstraction has 149 states and 177 transitions. [2020-07-20 13:03:01,087 INFO L480 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-07-20 13:03:01,088 INFO L276 IsEmpty]: Start isEmpty. Operand 149 states and 177 transitions. [2020-07-20 13:03:01,092 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2020-07-20 13:03:01,092 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 13:03:01,093 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-20 13:03:01,307 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 13:03:01,307 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 13:03:01,308 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 13:03:01,308 INFO L82 PathProgramCache]: Analyzing trace with hash -1692135718, now seen corresponding path program 1 times [2020-07-20 13:03:01,309 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 13:03:01,309 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1002107933] [2020-07-20 13:03:01,310 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 13:03:01,787 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 3 check-sat command(s) [2020-07-20 13:03:01,787 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-20 13:03:01,793 INFO L263 TraceCheckSpWp]: Trace formula consists of 633 conjuncts, 2 conjunts are in the unsatisfiable core [2020-07-20 13:03:01,797 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 13:03:01,828 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-20 13:03:01,829 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-20 13:03:01,829 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1002107933] [2020-07-20 13:03:01,829 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 13:03:01,830 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-20 13:03:01,830 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1664994143] [2020-07-20 13:03:01,831 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-20 13:03:01,832 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 13:03:01,832 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-20 13:03:01,832 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-20 13:03:01,833 INFO L87 Difference]: Start difference. First operand 149 states and 177 transitions. Second operand 3 states. [2020-07-20 13:03:01,864 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 13:03:01,864 INFO L93 Difference]: Finished difference Result 274 states and 333 transitions. [2020-07-20 13:03:01,865 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-20 13:03:01,865 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 53 [2020-07-20 13:03:01,866 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 13:03:01,868 INFO L225 Difference]: With dead ends: 274 [2020-07-20 13:03:01,868 INFO L226 Difference]: Without dead ends: 149 [2020-07-20 13:03:01,870 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 52 GetRequests, 51 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-20 13:03:01,871 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 149 states. [2020-07-20 13:03:01,886 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 149 to 149. [2020-07-20 13:03:01,886 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 149 states. [2020-07-20 13:03:01,888 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 149 states to 149 states and 176 transitions. [2020-07-20 13:03:01,888 INFO L78 Accepts]: Start accepts. Automaton has 149 states and 176 transitions. Word has length 53 [2020-07-20 13:03:01,888 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 13:03:01,888 INFO L479 AbstractCegarLoop]: Abstraction has 149 states and 176 transitions. [2020-07-20 13:03:01,889 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-20 13:03:01,889 INFO L276 IsEmpty]: Start isEmpty. Operand 149 states and 176 transitions. [2020-07-20 13:03:01,892 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2020-07-20 13:03:01,892 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 13:03:01,892 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-20 13:03:02,106 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 13:03:02,107 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 13:03:02,107 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 13:03:02,107 INFO L82 PathProgramCache]: Analyzing trace with hash -1627152234, now seen corresponding path program 1 times [2020-07-20 13:03:02,108 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 13:03:02,108 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [466770209] [2020-07-20 13:03:02,108 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 13:03:02,354 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 2 check-sat command(s) [2020-07-20 13:03:02,354 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-20 13:03:02,357 INFO L263 TraceCheckSpWp]: Trace formula consists of 612 conjuncts, 2 conjunts are in the unsatisfiable core [2020-07-20 13:03:02,361 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 13:03:02,381 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-20 13:03:02,381 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-20 13:03:02,382 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [466770209] [2020-07-20 13:03:02,382 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 13:03:02,382 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-20 13:03:02,382 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1258872427] [2020-07-20 13:03:02,383 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-20 13:03:02,383 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 13:03:02,383 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-20 13:03:02,383 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-20 13:03:02,384 INFO L87 Difference]: Start difference. First operand 149 states and 176 transitions. Second operand 3 states. [2020-07-20 13:03:02,402 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 13:03:02,403 INFO L93 Difference]: Finished difference Result 247 states and 291 transitions. [2020-07-20 13:03:02,403 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-20 13:03:02,403 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 71 [2020-07-20 13:03:02,404 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 13:03:02,405 INFO L225 Difference]: With dead ends: 247 [2020-07-20 13:03:02,406 INFO L226 Difference]: Without dead ends: 140 [2020-07-20 13:03:02,407 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 70 GetRequests, 69 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-20 13:03:02,408 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 140 states. [2020-07-20 13:03:02,419 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 140 to 140. [2020-07-20 13:03:02,419 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 140 states. [2020-07-20 13:03:02,421 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 140 states to 140 states and 164 transitions. [2020-07-20 13:03:02,421 INFO L78 Accepts]: Start accepts. Automaton has 140 states and 164 transitions. Word has length 71 [2020-07-20 13:03:02,421 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 13:03:02,421 INFO L479 AbstractCegarLoop]: Abstraction has 140 states and 164 transitions. [2020-07-20 13:03:02,422 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-20 13:03:02,422 INFO L276 IsEmpty]: Start isEmpty. Operand 140 states and 164 transitions. [2020-07-20 13:03:02,424 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2020-07-20 13:03:02,425 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 13:03:02,425 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-20 13:03:02,637 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 13:03:02,638 INFO L427 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 13:03:02,639 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 13:03:02,639 INFO L82 PathProgramCache]: Analyzing trace with hash 875217030, now seen corresponding path program 1 times [2020-07-20 13:03:02,640 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 13:03:02,641 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1017871311] [2020-07-20 13:03:02,641 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 13:03:03,094 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 3 check-sat command(s) [2020-07-20 13:03:03,095 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-20 13:03:03,098 INFO L263 TraceCheckSpWp]: Trace formula consists of 661 conjuncts, 7 conjunts are in the unsatisfiable core [2020-07-20 13:03:03,102 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 13:03:03,170 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-20 13:03:03,171 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-20 13:03:03,171 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1017871311] [2020-07-20 13:03:03,171 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 13:03:03,171 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-07-20 13:03:03,172 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1250091058] [2020-07-20 13:03:03,172 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-07-20 13:03:03,173 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 13:03:03,173 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-07-20 13:03:03,173 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-07-20 13:03:03,174 INFO L87 Difference]: Start difference. First operand 140 states and 164 transitions. Second operand 6 states. [2020-07-20 13:03:03,771 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 13:03:03,772 INFO L93 Difference]: Finished difference Result 346 states and 422 transitions. [2020-07-20 13:03:03,772 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-07-20 13:03:03,772 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 75 [2020-07-20 13:03:03,773 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 13:03:03,775 INFO L225 Difference]: With dead ends: 346 [2020-07-20 13:03:03,776 INFO L226 Difference]: Without dead ends: 230 [2020-07-20 13:03:03,777 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 76 GetRequests, 71 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2020-07-20 13:03:03,778 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 230 states. [2020-07-20 13:03:03,801 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 230 to 215. [2020-07-20 13:03:03,801 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 215 states. [2020-07-20 13:03:03,803 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 215 states to 215 states and 243 transitions. [2020-07-20 13:03:03,803 INFO L78 Accepts]: Start accepts. Automaton has 215 states and 243 transitions. Word has length 75 [2020-07-20 13:03:03,804 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 13:03:03,804 INFO L479 AbstractCegarLoop]: Abstraction has 215 states and 243 transitions. [2020-07-20 13:03:03,804 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-07-20 13:03:03,804 INFO L276 IsEmpty]: Start isEmpty. Operand 215 states and 243 transitions. [2020-07-20 13:03:03,806 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2020-07-20 13:03:03,806 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 13:03:03,806 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-20 13:03:04,014 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 13:03:04,015 INFO L427 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 13:03:04,016 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 13:03:04,016 INFO L82 PathProgramCache]: Analyzing trace with hash -1332654256, now seen corresponding path program 1 times [2020-07-20 13:03:04,017 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 13:03:04,017 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2099254011] [2020-07-20 13:03:04,018 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 13:03:04,378 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 4 check-sat command(s) [2020-07-20 13:03:04,378 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-20 13:03:04,384 INFO L263 TraceCheckSpWp]: Trace formula consists of 732 conjuncts, 14 conjunts are in the unsatisfiable core [2020-07-20 13:03:04,388 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 13:03:04,441 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-20 13:03:04,442 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-20 13:03:04,442 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2099254011] [2020-07-20 13:03:04,442 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 13:03:04,443 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-07-20 13:03:04,443 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1851410028] [2020-07-20 13:03:04,445 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-07-20 13:03:04,445 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 13:03:04,445 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-07-20 13:03:04,446 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2020-07-20 13:03:04,446 INFO L87 Difference]: Start difference. First operand 215 states and 243 transitions. Second operand 6 states. [2020-07-20 13:03:04,747 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 13:03:04,748 INFO L93 Difference]: Finished difference Result 582 states and 704 transitions. [2020-07-20 13:03:04,748 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-07-20 13:03:04,748 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 89 [2020-07-20 13:03:04,749 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 13:03:04,754 INFO L225 Difference]: With dead ends: 582 [2020-07-20 13:03:04,754 INFO L226 Difference]: Without dead ends: 391 [2020-07-20 13:03:04,755 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 90 GetRequests, 84 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2020-07-20 13:03:04,756 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 391 states. [2020-07-20 13:03:04,795 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 391 to 387. [2020-07-20 13:03:04,795 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 387 states. [2020-07-20 13:03:04,798 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 387 states to 387 states and 452 transitions. [2020-07-20 13:03:04,799 INFO L78 Accepts]: Start accepts. Automaton has 387 states and 452 transitions. Word has length 89 [2020-07-20 13:03:04,799 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 13:03:04,799 INFO L479 AbstractCegarLoop]: Abstraction has 387 states and 452 transitions. [2020-07-20 13:03:04,799 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-07-20 13:03:04,800 INFO L276 IsEmpty]: Start isEmpty. Operand 387 states and 452 transitions. [2020-07-20 13:03:04,801 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2020-07-20 13:03:04,802 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 13:03:04,802 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-20 13:03:05,012 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 13:03:05,013 INFO L427 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 13:03:05,014 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 13:03:05,014 INFO L82 PathProgramCache]: Analyzing trace with hash 1438339703, now seen corresponding path program 1 times [2020-07-20 13:03:05,014 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 13:03:05,015 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [24821565] [2020-07-20 13:03:05,015 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 13:03:05,375 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 3 check-sat command(s) [2020-07-20 13:03:05,375 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-20 13:03:05,380 INFO L263 TraceCheckSpWp]: Trace formula consists of 704 conjuncts, 9 conjunts are in the unsatisfiable core [2020-07-20 13:03:05,384 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 13:03:05,434 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-20 13:03:05,434 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-20 13:03:05,435 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [24821565] [2020-07-20 13:03:05,435 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 13:03:05,435 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-07-20 13:03:05,435 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [100523963] [2020-07-20 13:03:05,438 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-07-20 13:03:05,439 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 13:03:05,439 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-07-20 13:03:05,440 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-07-20 13:03:05,440 INFO L87 Difference]: Start difference. First operand 387 states and 452 transitions. Second operand 5 states. [2020-07-20 13:03:05,473 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 13:03:05,474 INFO L93 Difference]: Finished difference Result 753 states and 893 transitions. [2020-07-20 13:03:05,474 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-07-20 13:03:05,474 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 93 [2020-07-20 13:03:05,475 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 13:03:05,478 INFO L225 Difference]: With dead ends: 753 [2020-07-20 13:03:05,478 INFO L226 Difference]: Without dead ends: 390 [2020-07-20 13:03:05,479 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 92 GetRequests, 89 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-07-20 13:03:05,480 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 390 states. [2020-07-20 13:03:05,508 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 390 to 387. [2020-07-20 13:03:05,508 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 387 states. [2020-07-20 13:03:05,511 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 387 states to 387 states and 451 transitions. [2020-07-20 13:03:05,512 INFO L78 Accepts]: Start accepts. Automaton has 387 states and 451 transitions. Word has length 93 [2020-07-20 13:03:05,512 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 13:03:05,512 INFO L479 AbstractCegarLoop]: Abstraction has 387 states and 451 transitions. [2020-07-20 13:03:05,512 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-07-20 13:03:05,513 INFO L276 IsEmpty]: Start isEmpty. Operand 387 states and 451 transitions. [2020-07-20 13:03:05,514 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2020-07-20 13:03:05,515 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 13:03:05,515 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-20 13:03:05,731 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 13:03:05,732 INFO L427 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 13:03:05,733 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 13:03:05,733 INFO L82 PathProgramCache]: Analyzing trace with hash 2097871225, now seen corresponding path program 1 times [2020-07-20 13:03:05,734 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 13:03:05,734 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1050636045] [2020-07-20 13:03:05,735 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 13:03:06,041 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 3 check-sat command(s) [2020-07-20 13:03:06,042 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-20 13:03:06,046 INFO L263 TraceCheckSpWp]: Trace formula consists of 705 conjuncts, 6 conjunts are in the unsatisfiable core [2020-07-20 13:03:06,048 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 13:03:06,078 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-20 13:03:06,078 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-20 13:03:06,079 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1050636045] [2020-07-20 13:03:06,079 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 13:03:06,079 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-07-20 13:03:06,080 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1317885865] [2020-07-20 13:03:06,080 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-07-20 13:03:06,080 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 13:03:06,080 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-07-20 13:03:06,081 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2020-07-20 13:03:06,081 INFO L87 Difference]: Start difference. First operand 387 states and 451 transitions. Second operand 6 states. [2020-07-20 13:03:06,126 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 13:03:06,126 INFO L93 Difference]: Finished difference Result 746 states and 889 transitions. [2020-07-20 13:03:06,127 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-07-20 13:03:06,128 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 93 [2020-07-20 13:03:06,128 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 13:03:06,131 INFO L225 Difference]: With dead ends: 746 [2020-07-20 13:03:06,131 INFO L226 Difference]: Without dead ends: 383 [2020-07-20 13:03:06,133 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 93 GetRequests, 88 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2020-07-20 13:03:06,134 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 383 states. [2020-07-20 13:03:06,157 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 383 to 380. [2020-07-20 13:03:06,158 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 380 states. [2020-07-20 13:03:06,161 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 380 states to 380 states and 443 transitions. [2020-07-20 13:03:06,161 INFO L78 Accepts]: Start accepts. Automaton has 380 states and 443 transitions. Word has length 93 [2020-07-20 13:03:06,162 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 13:03:06,162 INFO L479 AbstractCegarLoop]: Abstraction has 380 states and 443 transitions. [2020-07-20 13:03:06,162 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-07-20 13:03:06,162 INFO L276 IsEmpty]: Start isEmpty. Operand 380 states and 443 transitions. [2020-07-20 13:03:06,164 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2020-07-20 13:03:06,164 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 13:03:06,164 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-20 13:03:06,379 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 13:03:06,380 INFO L427 AbstractCegarLoop]: === Iteration 8 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 13:03:06,380 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 13:03:06,380 INFO L82 PathProgramCache]: Analyzing trace with hash 791892564, now seen corresponding path program 1 times [2020-07-20 13:03:06,381 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 13:03:06,381 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [944343200] [2020-07-20 13:03:06,382 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 13:03:06,803 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 4 check-sat command(s) [2020-07-20 13:03:06,804 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-20 13:03:06,808 INFO L263 TraceCheckSpWp]: Trace formula consists of 745 conjuncts, 6 conjunts are in the unsatisfiable core [2020-07-20 13:03:06,810 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 13:03:06,854 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-20 13:03:06,854 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-20 13:03:06,854 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [944343200] [2020-07-20 13:03:06,854 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 13:03:06,855 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-07-20 13:03:06,855 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1871888839] [2020-07-20 13:03:06,855 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-07-20 13:03:06,856 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 13:03:06,856 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-07-20 13:03:06,857 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2020-07-20 13:03:06,857 INFO L87 Difference]: Start difference. First operand 380 states and 443 transitions. Second operand 6 states. [2020-07-20 13:03:07,124 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 13:03:07,125 INFO L93 Difference]: Finished difference Result 385 states and 448 transitions. [2020-07-20 13:03:07,125 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-07-20 13:03:07,125 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 94 [2020-07-20 13:03:07,126 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 13:03:07,129 INFO L225 Difference]: With dead ends: 385 [2020-07-20 13:03:07,129 INFO L226 Difference]: Without dead ends: 382 [2020-07-20 13:03:07,130 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 95 GetRequests, 89 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2020-07-20 13:03:07,131 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 382 states. [2020-07-20 13:03:07,149 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 382 to 380. [2020-07-20 13:03:07,150 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 380 states. [2020-07-20 13:03:07,152 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 380 states to 380 states and 442 transitions. [2020-07-20 13:03:07,152 INFO L78 Accepts]: Start accepts. Automaton has 380 states and 442 transitions. Word has length 94 [2020-07-20 13:03:07,153 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 13:03:07,153 INFO L479 AbstractCegarLoop]: Abstraction has 380 states and 442 transitions. [2020-07-20 13:03:07,153 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-07-20 13:03:07,153 INFO L276 IsEmpty]: Start isEmpty. Operand 380 states and 442 transitions. [2020-07-20 13:03:07,156 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 142 [2020-07-20 13:03:07,156 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 13:03:07,156 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-20 13:03:07,372 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 13:03:07,373 INFO L427 AbstractCegarLoop]: === Iteration 9 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 13:03:07,374 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 13:03:07,374 INFO L82 PathProgramCache]: Analyzing trace with hash -834613817, now seen corresponding path program 1 times [2020-07-20 13:03:07,374 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 13:03:07,375 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2042534674] [2020-07-20 13:03:07,375 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 10 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 10 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 13:03:07,715 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 3 check-sat command(s) [2020-07-20 13:03:07,715 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-20 13:03:07,720 INFO L263 TraceCheckSpWp]: Trace formula consists of 790 conjuncts, 23 conjunts are in the unsatisfiable core [2020-07-20 13:03:07,725 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 13:03:07,775 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 27 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-07-20 13:03:07,776 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-20 13:03:07,776 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2042534674] [2020-07-20 13:03:07,776 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 13:03:07,776 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-07-20 13:03:07,777 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [282892775] [2020-07-20 13:03:07,777 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-07-20 13:03:07,777 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 13:03:07,778 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-07-20 13:03:07,778 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2020-07-20 13:03:07,778 INFO L87 Difference]: Start difference. First operand 380 states and 442 transitions. Second operand 6 states. [2020-07-20 13:03:08,217 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 13:03:08,218 INFO L93 Difference]: Finished difference Result 1092 states and 1304 transitions. [2020-07-20 13:03:08,218 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-07-20 13:03:08,218 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 141 [2020-07-20 13:03:08,219 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 13:03:08,245 INFO L225 Difference]: With dead ends: 1092 [2020-07-20 13:03:08,245 INFO L226 Difference]: Without dead ends: 736 [2020-07-20 13:03:08,246 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 140 GetRequests, 136 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2020-07-20 13:03:08,247 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 736 states. [2020-07-20 13:03:08,281 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 736 to 733. [2020-07-20 13:03:08,282 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 733 states. [2020-07-20 13:03:08,285 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 733 states to 733 states and 854 transitions. [2020-07-20 13:03:08,286 INFO L78 Accepts]: Start accepts. Automaton has 733 states and 854 transitions. Word has length 141 [2020-07-20 13:03:08,286 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 13:03:08,286 INFO L479 AbstractCegarLoop]: Abstraction has 733 states and 854 transitions. [2020-07-20 13:03:08,286 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-07-20 13:03:08,287 INFO L276 IsEmpty]: Start isEmpty. Operand 733 states and 854 transitions. [2020-07-20 13:03:08,290 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 146 [2020-07-20 13:03:08,290 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 13:03:08,290 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-20 13:03:08,504 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 13:03:08,505 INFO L427 AbstractCegarLoop]: === Iteration 10 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 13:03:08,505 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 13:03:08,506 INFO L82 PathProgramCache]: Analyzing trace with hash -1626419797, now seen corresponding path program 1 times [2020-07-20 13:03:08,506 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 13:03:08,507 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [682360164] [2020-07-20 13:03:08,507 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 11 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 11 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 13:03:08,876 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 4 check-sat command(s) [2020-07-20 13:03:08,876 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-20 13:03:08,881 INFO L263 TraceCheckSpWp]: Trace formula consists of 864 conjuncts, 6 conjunts are in the unsatisfiable core [2020-07-20 13:03:08,885 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 13:03:08,941 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 10 proven. 2 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2020-07-20 13:03:08,942 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-07-20 13:03:09,207 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2020-07-20 13:03:09,207 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [682360164] [2020-07-20 13:03:09,207 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-07-20 13:03:09,208 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [6] total 7 [2020-07-20 13:03:09,208 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1515095208] [2020-07-20 13:03:09,208 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-07-20 13:03:09,208 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 13:03:09,209 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-07-20 13:03:09,209 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2020-07-20 13:03:09,209 INFO L87 Difference]: Start difference. First operand 733 states and 854 transitions. Second operand 6 states. [2020-07-20 13:03:09,512 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 13:03:09,512 INFO L93 Difference]: Finished difference Result 1406 states and 1663 transitions. [2020-07-20 13:03:09,513 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-07-20 13:03:09,513 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 145 [2020-07-20 13:03:09,514 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 13:03:09,518 INFO L225 Difference]: With dead ends: 1406 [2020-07-20 13:03:09,518 INFO L226 Difference]: Without dead ends: 697 [2020-07-20 13:03:09,521 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 292 GetRequests, 280 SyntacticMatches, 4 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=26, Invalid=64, Unknown=0, NotChecked=0, Total=90 [2020-07-20 13:03:09,522 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 697 states. [2020-07-20 13:03:09,554 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 697 to 697. [2020-07-20 13:03:09,554 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 697 states. [2020-07-20 13:03:09,558 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 697 states to 697 states and 803 transitions. [2020-07-20 13:03:09,559 INFO L78 Accepts]: Start accepts. Automaton has 697 states and 803 transitions. Word has length 145 [2020-07-20 13:03:09,559 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 13:03:09,559 INFO L479 AbstractCegarLoop]: Abstraction has 697 states and 803 transitions. [2020-07-20 13:03:09,559 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-07-20 13:03:09,560 INFO L276 IsEmpty]: Start isEmpty. Operand 697 states and 803 transitions. [2020-07-20 13:03:09,563 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 148 [2020-07-20 13:03:09,563 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 13:03:09,563 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-20 13:03:09,778 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 13:03:09,779 INFO L427 AbstractCegarLoop]: === Iteration 11 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 13:03:09,779 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 13:03:09,780 INFO L82 PathProgramCache]: Analyzing trace with hash -248365737, now seen corresponding path program 1 times [2020-07-20 13:03:09,780 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 13:03:09,781 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1739315004] [2020-07-20 13:03:09,781 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 12 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 12 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 13:03:10,250 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 3 check-sat command(s) [2020-07-20 13:03:10,250 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-20 13:03:10,257 INFO L263 TraceCheckSpWp]: Trace formula consists of 790 conjuncts, 22 conjunts are in the unsatisfiable core [2020-07-20 13:03:10,262 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 13:03:10,477 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 33 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-07-20 13:03:10,477 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-20 13:03:10,478 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1739315004] [2020-07-20 13:03:10,478 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 13:03:10,478 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2020-07-20 13:03:10,478 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2142019081] [2020-07-20 13:03:10,479 INFO L459 AbstractCegarLoop]: Interpolant automaton has 13 states [2020-07-20 13:03:10,480 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 13:03:10,480 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2020-07-20 13:03:10,480 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=119, Unknown=0, NotChecked=0, Total=156 [2020-07-20 13:03:10,481 INFO L87 Difference]: Start difference. First operand 697 states and 803 transitions. Second operand 13 states. [2020-07-20 13:03:11,880 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 13:03:11,881 INFO L93 Difference]: Finished difference Result 1764 states and 2270 transitions. [2020-07-20 13:03:11,881 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2020-07-20 13:03:11,881 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 147 [2020-07-20 13:03:11,882 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 13:03:11,889 INFO L225 Difference]: With dead ends: 1764 [2020-07-20 13:03:11,889 INFO L226 Difference]: Without dead ends: 1091 [2020-07-20 13:03:11,892 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 158 GetRequests, 137 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 90 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=123, Invalid=383, Unknown=0, NotChecked=0, Total=506 [2020-07-20 13:03:11,894 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1091 states. [2020-07-20 13:03:11,950 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1091 to 753. [2020-07-20 13:03:11,950 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 753 states. [2020-07-20 13:03:11,955 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 753 states to 753 states and 861 transitions. [2020-07-20 13:03:11,956 INFO L78 Accepts]: Start accepts. Automaton has 753 states and 861 transitions. Word has length 147 [2020-07-20 13:03:11,957 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 13:03:11,957 INFO L479 AbstractCegarLoop]: Abstraction has 753 states and 861 transitions. [2020-07-20 13:03:11,957 INFO L480 AbstractCegarLoop]: Interpolant automaton has 13 states. [2020-07-20 13:03:11,957 INFO L276 IsEmpty]: Start isEmpty. Operand 753 states and 861 transitions. [2020-07-20 13:03:11,962 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 150 [2020-07-20 13:03:11,962 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 13:03:11,963 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-20 13:03:12,177 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 13:03:12,178 INFO L427 AbstractCegarLoop]: === Iteration 12 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 13:03:12,178 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 13:03:12,178 INFO L82 PathProgramCache]: Analyzing trace with hash -1413119151, now seen corresponding path program 1 times [2020-07-20 13:03:12,179 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 13:03:12,179 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1916579072] [2020-07-20 13:03:12,179 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 13 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 13 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 13:03:12,668 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 4 check-sat command(s) [2020-07-20 13:03:12,668 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-20 13:03:12,673 INFO L263 TraceCheckSpWp]: Trace formula consists of 873 conjuncts, 22 conjunts are in the unsatisfiable core [2020-07-20 13:03:12,676 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 13:03:12,762 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 14 proven. 8 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2020-07-20 13:03:12,763 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-07-20 13:03:13,013 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-20 13:03:13,052 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-20 13:03:13,199 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 8 proven. 4 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2020-07-20 13:03:13,199 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1916579072] [2020-07-20 13:03:13,199 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-07-20 13:03:13,199 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 11] total 15 [2020-07-20 13:03:13,199 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1684525370] [2020-07-20 13:03:13,200 INFO L459 AbstractCegarLoop]: Interpolant automaton has 15 states [2020-07-20 13:03:13,200 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 13:03:13,201 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2020-07-20 13:03:13,201 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=57, Invalid=153, Unknown=0, NotChecked=0, Total=210 [2020-07-20 13:03:13,201 INFO L87 Difference]: Start difference. First operand 753 states and 861 transitions. Second operand 15 states. [2020-07-20 13:03:14,527 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 13:03:14,527 INFO L93 Difference]: Finished difference Result 1805 states and 2305 transitions. [2020-07-20 13:03:14,528 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2020-07-20 13:03:14,528 INFO L78 Accepts]: Start accepts. Automaton has 15 states. Word has length 149 [2020-07-20 13:03:14,529 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 13:03:14,530 INFO L225 Difference]: With dead ends: 1805 [2020-07-20 13:03:14,530 INFO L226 Difference]: Without dead ends: 0 [2020-07-20 13:03:14,537 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 310 GetRequests, 276 SyntacticMatches, 12 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 126 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=168, Invalid=384, Unknown=0, NotChecked=0, Total=552 [2020-07-20 13:03:14,538 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-07-20 13:03:14,538 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-07-20 13:03:14,538 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-07-20 13:03:14,538 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-07-20 13:03:14,539 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 149 [2020-07-20 13:03:14,539 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 13:03:14,539 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-07-20 13:03:14,539 INFO L480 AbstractCegarLoop]: Interpolant automaton has 15 states. [2020-07-20 13:03:14,539 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-07-20 13:03:14,540 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-20 13:03:14,740 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 13:03:14,743 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-07-20 13:03:16,263 WARN L193 SmtUtils]: Spent 134.00 ms on a formula simplification. DAG size of input: 41 DAG size of output: 29 [2020-07-20 13:03:16,527 WARN L193 SmtUtils]: Spent 205.00 ms on a formula simplification. DAG size of input: 38 DAG size of output: 32 [2020-07-20 13:03:16,711 WARN L193 SmtUtils]: Spent 181.00 ms on a formula simplification. DAG size of input: 35 DAG size of output: 29 [2020-07-20 13:03:16,882 WARN L193 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 41 DAG size of output: 29 [2020-07-20 13:03:17,013 WARN L193 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 37 DAG size of output: 28 [2020-07-20 13:03:17,134 WARN L193 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 37 DAG size of output: 28 [2020-07-20 13:03:17,258 WARN L193 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 37 DAG size of output: 28 [2020-07-20 13:03:17,541 WARN L193 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 37 DAG size of output: 28 [2020-07-20 13:03:17,786 WARN L193 SmtUtils]: Spent 236.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 32 [2020-07-20 13:03:18,269 WARN L193 SmtUtils]: Spent 478.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 44 [2020-07-20 13:03:18,571 WARN L193 SmtUtils]: Spent 269.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 28 [2020-07-20 13:03:19,098 WARN L193 SmtUtils]: Spent 419.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 36 [2020-07-20 13:03:19,324 WARN L193 SmtUtils]: Spent 222.00 ms on a formula simplification. DAG size of input: 43 DAG size of output: 35 [2020-07-20 13:03:19,508 WARN L193 SmtUtils]: Spent 181.00 ms on a formula simplification. DAG size of input: 38 DAG size of output: 28 [2020-07-20 13:03:19,747 WARN L193 SmtUtils]: Spent 226.00 ms on a formula simplification. DAG size of input: 40 DAG size of output: 32 [2020-07-20 13:03:19,892 WARN L193 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 41 DAG size of output: 29 [2020-07-20 13:03:20,264 WARN L193 SmtUtils]: Spent 369.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 30 [2020-07-20 13:03:20,587 WARN L193 SmtUtils]: Spent 320.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 34 [2020-07-20 13:03:20,711 WARN L193 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 37 DAG size of output: 28 [2020-07-20 13:03:20,954 WARN L193 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 37 DAG size of output: 28 [2020-07-20 13:03:21,107 WARN L193 SmtUtils]: Spent 150.00 ms on a formula simplification. DAG size of input: 30 DAG size of output: 26 [2020-07-20 13:03:21,225 WARN L193 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 37 DAG size of output: 28 [2020-07-20 13:03:21,639 WARN L193 SmtUtils]: Spent 409.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 42 [2020-07-20 13:03:21,931 WARN L193 SmtUtils]: Spent 237.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 32 [2020-07-20 13:03:22,055 WARN L193 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 37 DAG size of output: 28 [2020-07-20 13:03:22,458 WARN L193 SmtUtils]: Spent 365.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 30 [2020-07-20 13:03:22,579 WARN L193 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 37 DAG size of output: 28 [2020-07-20 13:03:22,881 WARN L193 SmtUtils]: Spent 297.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 34 [2020-07-20 13:03:23,017 INFO L268 CegarLoopResult]: For program point L610-1(lines 610 614) no Hoare annotation was computed. [2020-07-20 13:03:23,017 INFO L268 CegarLoopResult]: For program point L605(line 605) no Hoare annotation was computed. [2020-07-20 13:03:23,017 INFO L268 CegarLoopResult]: For program point L604-2(lines 604 625) no Hoare annotation was computed. [2020-07-20 13:03:23,018 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeFINAL(lines 579 634) no Hoare annotation was computed. [2020-07-20 13:03:23,018 INFO L268 CegarLoopResult]: For program point L626(lines 603 627) no Hoare annotation was computed. [2020-07-20 13:03:23,018 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeEXIT(lines 579 634) no Hoare annotation was computed. [2020-07-20 13:03:23,018 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeENTRY(lines 579 634) no Hoare annotation was computed. [2020-07-20 13:03:23,018 INFO L268 CegarLoopResult]: For program point L610(lines 610 614) no Hoare annotation was computed. [2020-07-20 13:03:23,019 INFO L268 CegarLoopResult]: For program point L667(lines 667 671) no Hoare annotation was computed. [2020-07-20 13:03:23,019 INFO L268 CegarLoopResult]: For program point L667-1(lines 667 671) no Hoare annotation was computed. [2020-07-20 13:03:23,019 INFO L268 CegarLoopResult]: For program point L662(line 662) no Hoare annotation was computed. [2020-07-20 13:03:23,019 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetFINAL(lines 635 694) no Hoare annotation was computed. [2020-07-20 13:03:23,019 INFO L268 CegarLoopResult]: For program point L661-2(lines 661 686) no Hoare annotation was computed. [2020-07-20 13:03:23,020 INFO L268 CegarLoopResult]: For program point L687(lines 660 688) no Hoare annotation was computed. [2020-07-20 13:03:23,020 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetENTRY(lines 635 694) no Hoare annotation was computed. [2020-07-20 13:03:23,020 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetEXIT(lines 635 694) no Hoare annotation was computed. [2020-07-20 13:03:23,020 INFO L268 CegarLoopResult]: For program point L680(line 680) no Hoare annotation was computed. [2020-07-20 13:03:23,020 INFO L268 CegarLoopResult]: For program point L680-1(line 680) no Hoare annotation was computed. [2020-07-20 13:03:23,020 INFO L271 CegarLoopResult]: At program point select_helpersFINAL(lines 70 76) the Hoare annotation is: true [2020-07-20 13:03:23,021 INFO L268 CegarLoopResult]: For program point select_helpersEXIT(lines 70 76) no Hoare annotation was computed. [2020-07-20 13:03:23,021 INFO L268 CegarLoopResult]: For program point valid_productEXIT(lines 77 85) no Hoare annotation was computed. [2020-07-20 13:03:23,021 INFO L271 CegarLoopResult]: At program point valid_productENTRY(lines 77 85) the Hoare annotation is: true [2020-07-20 13:03:23,021 INFO L268 CegarLoopResult]: For program point valid_productFINAL(lines 77 85) no Hoare annotation was computed. [2020-07-20 13:03:23,021 INFO L264 CegarLoopResult]: At program point mainENTRY(lines 965 987) the Hoare annotation is: (or (not (<= |old(~waterLevel~0)| 1)) (not (<= 1 ~systemActive~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= 0 ~methaneLevelCritical~0) (<= ~waterLevel~0 |old(~waterLevel~0)|) (= 0 ~pumpRunning~0))) [2020-07-20 13:03:23,021 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 965 987) no Hoare annotation was computed. [2020-07-20 13:03:23,021 INFO L264 CegarLoopResult]: At program point L977(line 977) the Hoare annotation is: (or (not (<= |old(~waterLevel~0)| 1)) (not (<= 1 ~systemActive~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= 0 ~methaneLevelCritical~0) (<= ~waterLevel~0 |old(~waterLevel~0)|) (= 0 ~pumpRunning~0))) [2020-07-20 13:03:23,022 INFO L264 CegarLoopResult]: At program point L977-1(line 977) the Hoare annotation is: (or (not (<= |old(~waterLevel~0)| 1)) (not (<= 1 ~systemActive~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= 0 ~methaneLevelCritical~0) (<= ~waterLevel~0 |old(~waterLevel~0)|) (= 0 ~pumpRunning~0))) [2020-07-20 13:03:23,022 INFO L268 CegarLoopResult]: For program point L975(lines 975 982) no Hoare annotation was computed. [2020-07-20 13:03:23,022 INFO L268 CegarLoopResult]: For program point L975-1(lines 975 982) no Hoare annotation was computed. [2020-07-20 13:03:23,022 INFO L268 CegarLoopResult]: For program point L973(line 973) no Hoare annotation was computed. [2020-07-20 13:03:23,022 INFO L268 CegarLoopResult]: For program point mainFINAL(lines 965 987) no Hoare annotation was computed. [2020-07-20 13:03:23,022 INFO L264 CegarLoopResult]: At program point L972(line 972) the Hoare annotation is: (or (not (<= |old(~waterLevel~0)| 1)) (not (<= 1 ~systemActive~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= 0 ~methaneLevelCritical~0) (<= ~waterLevel~0 |old(~waterLevel~0)|) (= 0 ~pumpRunning~0))) [2020-07-20 13:03:23,022 INFO L264 CegarLoopResult]: At program point L971(line 971) the Hoare annotation is: (or (not (<= |old(~waterLevel~0)| 1)) (not (<= 1 ~systemActive~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= 0 ~methaneLevelCritical~0) (<= ~waterLevel~0 |old(~waterLevel~0)|) (= 0 ~pumpRunning~0))) [2020-07-20 13:03:23,023 INFO L264 CegarLoopResult]: At program point L971-1(line 971) the Hoare annotation is: (or (not (<= |old(~waterLevel~0)| 1)) (not (<= 1 ~systemActive~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= 0 ~methaneLevelCritical~0) (<= ~waterLevel~0 |old(~waterLevel~0)|) (= 0 ~pumpRunning~0))) [2020-07-20 13:03:23,023 INFO L268 CegarLoopResult]: For program point L929(line 929) no Hoare annotation was computed. [2020-07-20 13:03:23,023 INFO L268 CegarLoopResult]: For program point Specification2EXIT(lines 924 947) no Hoare annotation was computed. [2020-07-20 13:03:23,023 INFO L268 CegarLoopResult]: For program point Specification2ENTRY(lines 924 947) no Hoare annotation was computed. [2020-07-20 13:03:23,023 INFO L268 CegarLoopResult]: For program point Specification2FINAL(lines 924 947) no Hoare annotation was computed. [2020-07-20 13:03:23,023 INFO L268 CegarLoopResult]: For program point L942(line 942) no Hoare annotation was computed. [2020-07-20 13:03:23,023 INFO L268 CegarLoopResult]: For program point L941(line 941) no Hoare annotation was computed. [2020-07-20 13:03:23,024 INFO L268 CegarLoopResult]: For program point L940(line 940) no Hoare annotation was computed. [2020-07-20 13:03:23,024 INFO L268 CegarLoopResult]: For program point L939(line 939) no Hoare annotation was computed. [2020-07-20 13:03:23,024 INFO L268 CegarLoopResult]: For program point L938(line 938) no Hoare annotation was computed. [2020-07-20 13:03:23,024 INFO L268 CegarLoopResult]: For program point L937(line 937) no Hoare annotation was computed. [2020-07-20 13:03:23,024 INFO L268 CegarLoopResult]: For program point L936(line 936) no Hoare annotation was computed. [2020-07-20 13:03:23,024 INFO L268 CegarLoopResult]: For program point L935(line 935) no Hoare annotation was computed. [2020-07-20 13:03:23,024 INFO L268 CegarLoopResult]: For program point L934(line 934) no Hoare annotation was computed. [2020-07-20 13:03:23,024 INFO L268 CegarLoopResult]: For program point L933(line 933) no Hoare annotation was computed. [2020-07-20 13:03:23,024 INFO L268 CegarLoopResult]: For program point L932(line 932) no Hoare annotation was computed. [2020-07-20 13:03:23,025 INFO L268 CegarLoopResult]: For program point L931(line 931) no Hoare annotation was computed. [2020-07-20 13:03:23,025 INFO L268 CegarLoopResult]: For program point L930(line 930) no Hoare annotation was computed. [2020-07-20 13:03:23,025 INFO L268 CegarLoopResult]: For program point isPumpRunningEXIT(lines 305 313) no Hoare annotation was computed. [2020-07-20 13:03:23,025 INFO L271 CegarLoopResult]: At program point isPumpRunningENTRY(lines 305 313) the Hoare annotation is: true [2020-07-20 13:03:23,025 INFO L268 CegarLoopResult]: For program point isPumpRunningFINAL(lines 305 313) no Hoare annotation was computed. [2020-07-20 13:03:23,025 INFO L268 CegarLoopResult]: For program point L378(lines 378 382) no Hoare annotation was computed. [2020-07-20 13:03:23,025 INFO L271 CegarLoopResult]: At program point isLowWaterLevelENTRY(lines 369 387) the Hoare annotation is: true [2020-07-20 13:03:23,025 INFO L271 CegarLoopResult]: At program point L376(line 376) the Hoare annotation is: true [2020-07-20 13:03:23,025 INFO L268 CegarLoopResult]: For program point L378-2(lines 378 382) no Hoare annotation was computed. [2020-07-20 13:03:23,026 INFO L268 CegarLoopResult]: For program point L376-1(line 376) no Hoare annotation was computed. [2020-07-20 13:03:23,026 INFO L268 CegarLoopResult]: For program point isLowWaterLevelEXIT(lines 369 387) no Hoare annotation was computed. [2020-07-20 13:03:23,026 INFO L268 CegarLoopResult]: For program point isLowWaterLevelFINAL(lines 369 387) no Hoare annotation was computed. [2020-07-20 13:03:23,026 INFO L268 CegarLoopResult]: For program point L321(lines 321 329) no Hoare annotation was computed. [2020-07-20 13:03:23,026 INFO L268 CegarLoopResult]: For program point L321-2(lines 321 329) no Hoare annotation was computed. [2020-07-20 13:03:23,026 INFO L268 CegarLoopResult]: For program point L344(line 344) no Hoare annotation was computed. [2020-07-20 13:03:23,026 INFO L268 CegarLoopResult]: For program point L344-1(line 344) no Hoare annotation was computed. [2020-07-20 13:03:23,026 INFO L268 CegarLoopResult]: For program point printPumpFINAL(lines 314 349) no Hoare annotation was computed. [2020-07-20 13:03:23,026 INFO L268 CegarLoopResult]: For program point L333(lines 333 341) no Hoare annotation was computed. [2020-07-20 13:03:23,027 INFO L268 CegarLoopResult]: For program point L333-2(lines 333 341) no Hoare annotation was computed. [2020-07-20 13:03:23,027 INFO L268 CegarLoopResult]: For program point printPumpENTRY(lines 314 349) no Hoare annotation was computed. [2020-07-20 13:03:23,027 INFO L268 CegarLoopResult]: For program point printPumpEXIT(lines 314 349) no Hoare annotation was computed. [2020-07-20 13:03:23,027 INFO L268 CegarLoopResult]: For program point select_featuresEXIT(lines 63 69) no Hoare annotation was computed. [2020-07-20 13:03:23,027 INFO L271 CegarLoopResult]: At program point select_featuresFINAL(lines 63 69) the Hoare annotation is: true [2020-07-20 13:03:23,027 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setENTRY(lines 533 578) no Hoare annotation was computed. [2020-07-20 13:03:23,027 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setEXIT(lines 533 578) no Hoare annotation was computed. [2020-07-20 13:03:23,027 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setFINAL(lines 533 578) no Hoare annotation was computed. [2020-07-20 13:03:23,027 INFO L268 CegarLoopResult]: For program point L860(lines 860 880) no Hoare annotation was computed. [2020-07-20 13:03:23,028 INFO L268 CegarLoopResult]: For program point L860-1(lines 860 880) no Hoare annotation was computed. [2020-07-20 13:03:23,028 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeFINAL(lines 846 891) no Hoare annotation was computed. [2020-07-20 13:03:23,028 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeENTRY(lines 846 891) no Hoare annotation was computed. [2020-07-20 13:03:23,028 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeEXIT(lines 846 891) no Hoare annotation was computed. [2020-07-20 13:03:23,028 INFO L268 CegarLoopResult]: For program point L866(lines 866 873) no Hoare annotation was computed. [2020-07-20 13:03:23,028 INFO L264 CegarLoopResult]: At program point runTestENTRY(lines 955 964) the Hoare annotation is: (or (not (<= |old(~waterLevel~0)| 1)) (not (<= 1 ~systemActive~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= 0 ~methaneLevelCritical~0) (<= ~waterLevel~0 |old(~waterLevel~0)|) (= 0 ~pumpRunning~0))) [2020-07-20 13:03:23,028 INFO L268 CegarLoopResult]: For program point runTestEXIT(lines 955 964) no Hoare annotation was computed. [2020-07-20 13:03:23,028 INFO L268 CegarLoopResult]: For program point runTestFINAL(lines 955 964) no Hoare annotation was computed. [2020-07-20 13:03:23,028 INFO L271 CegarLoopResult]: At program point isMethaneAlarmENTRY(lines 294 304) the Hoare annotation is: true [2020-07-20 13:03:23,029 INFO L271 CegarLoopResult]: At program point L299(line 299) the Hoare annotation is: true [2020-07-20 13:03:23,029 INFO L268 CegarLoopResult]: For program point isMethaneAlarmEXIT(lines 294 304) no Hoare annotation was computed. [2020-07-20 13:03:23,029 INFO L268 CegarLoopResult]: For program point L299-1(line 299) no Hoare annotation was computed. [2020-07-20 13:03:23,029 INFO L268 CegarLoopResult]: For program point isMethaneAlarmFINAL(lines 294 304) no Hoare annotation was computed. [2020-07-20 13:03:23,029 INFO L264 CegarLoopResult]: At program point deactivatePumpENTRY(lines 286 293) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~systemActive~0))) (.cse2 (not (<= 1 |old(~pumpRunning~0)|))) (.cse1 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse3 (not (<= ~waterLevel~0 1)))) (and (or .cse0 .cse1 .cse2 (not (= 0 ~methaneLevelCritical~0)) .cse3) (or .cse0 (not (<= 1 ~methaneLevelCritical~0)) .cse2 .cse1 .cse3))) [2020-07-20 13:03:23,029 INFO L268 CegarLoopResult]: For program point deactivatePumpEXIT(lines 286 293) no Hoare annotation was computed. [2020-07-20 13:03:23,029 INFO L268 CegarLoopResult]: For program point deactivatePumpFINAL(lines 286 293) no Hoare annotation was computed. [2020-07-20 13:03:23,030 INFO L268 CegarLoopResult]: For program point L473(lines 473 479) no Hoare annotation was computed. [2020-07-20 13:03:23,030 INFO L268 CegarLoopResult]: For program point isHighWaterSensorDryEXIT(lines 469 482) no Hoare annotation was computed. [2020-07-20 13:03:23,030 INFO L271 CegarLoopResult]: At program point isHighWaterSensorDryENTRY(lines 469 482) the Hoare annotation is: true [2020-07-20 13:03:23,030 INFO L268 CegarLoopResult]: For program point isHighWaterSensorDryFINAL(lines 469 482) no Hoare annotation was computed. [2020-07-20 13:03:23,030 INFO L268 CegarLoopResult]: For program point L257(lines 257 274) no Hoare annotation was computed. [2020-07-20 13:03:23,030 INFO L268 CegarLoopResult]: For program point processEnvironmentEXIT(lines 253 277) no Hoare annotation was computed. [2020-07-20 13:03:23,030 INFO L264 CegarLoopResult]: At program point processEnvironmentENTRY(lines 253 277) the Hoare annotation is: (let ((.cse1 (not (<= 1 ~methaneLevelCritical~0))) (.cse6 (not (<= 1 |old(~pumpRunning~0)|))) (.cse5 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse8 (not (<= ~waterLevel~0 1))) (.cse0 (not (<= 1 ~systemActive~0))) (.cse2 (not (<= ~waterLevel~0 2))) (.cse3 (not (= 0 |old(~pumpRunning~0)|))) (.cse7 (not (= 0 ~methaneLevelCritical~0))) (.cse4 (= 0 ~pumpRunning~0))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse0 .cse5 .cse6 .cse7 .cse8) (or .cse0 .cse1 .cse6 .cse5 .cse8) (or .cse0 .cse2 .cse3 .cse7 .cse4))) [2020-07-20 13:03:23,031 INFO L264 CegarLoopResult]: At program point L272(line 272) the Hoare annotation is: (let ((.cse2 (not (<= ~waterLevel~0 2))) (.cse3 (not (= 0 |old(~pumpRunning~0)|))) (.cse4 (= 0 ~pumpRunning~0)) (.cse5 (not (= 0 ~methaneLevelCritical~0))) (.cse0 (not (<= 1 ~systemActive~0))) (.cse1 (not (<= 1 ~methaneLevelCritical~0))) (.cse6 (not (<= 1 |old(~pumpRunning~0)|))) (.cse7 (not (<= ~waterLevel~0 1)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse0 .cse2 .cse3 .cse5 .cse4) (or .cse0 .cse6 .cse5 .cse7) (or .cse0 .cse1 .cse6 .cse7))) [2020-07-20 13:03:23,031 INFO L268 CegarLoopResult]: For program point L272-1(lines 253 277) no Hoare annotation was computed. [2020-07-20 13:03:23,031 INFO L264 CegarLoopResult]: At program point L267(line 267) the Hoare annotation is: (let ((.cse6 (not (<= ~waterLevel~0 2))) (.cse7 (not (= 0 |old(~pumpRunning~0)|))) (.cse3 (not (= 0 ~methaneLevelCritical~0))) (.cse0 (not (<= 1 ~systemActive~0))) (.cse5 (not (<= 1 ~methaneLevelCritical~0))) (.cse2 (not (<= 1 |old(~pumpRunning~0)|))) (.cse1 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse4 (not (<= ~waterLevel~0 1)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse0 .cse5 .cse6 .cse7) (or .cse0 .cse6 .cse7 .cse3) (or .cse0 .cse5 .cse2 .cse1 .cse4))) [2020-07-20 13:03:23,031 INFO L264 CegarLoopResult]: At program point L263(line 263) the Hoare annotation is: (let ((.cse6 (not (<= ~waterLevel~0 2))) (.cse7 (not (= 0 |old(~pumpRunning~0)|))) (.cse3 (not (= 0 ~methaneLevelCritical~0))) (.cse0 (not (<= 1 ~systemActive~0))) (.cse5 (not (<= 1 ~methaneLevelCritical~0))) (.cse2 (not (<= 1 |old(~pumpRunning~0)|))) (.cse1 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse4 (not (<= ~waterLevel~0 1)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse0 .cse5 .cse6 .cse7) (or .cse0 .cse6 .cse7 .cse3) (or .cse0 .cse5 .cse2 .cse1 .cse4))) [2020-07-20 13:03:23,031 INFO L268 CegarLoopResult]: For program point L261(lines 261 269) no Hoare annotation was computed. [2020-07-20 13:03:23,032 INFO L264 CegarLoopResult]: At program point L259(line 259) the Hoare annotation is: (let ((.cse6 (not (<= ~waterLevel~0 2))) (.cse7 (not (= 0 |old(~pumpRunning~0)|))) (.cse3 (not (= 0 ~methaneLevelCritical~0))) (.cse0 (not (<= 1 ~systemActive~0))) (.cse5 (not (<= 1 ~methaneLevelCritical~0))) (.cse2 (not (<= 1 |old(~pumpRunning~0)|))) (.cse1 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse4 (not (<= ~waterLevel~0 1)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse0 .cse5 .cse6 .cse7) (or .cse0 .cse6 .cse7 .cse3) (or .cse0 .cse5 .cse2 .cse1 .cse4))) [2020-07-20 13:03:23,032 INFO L268 CegarLoopResult]: For program point L259-1(line 259) no Hoare annotation was computed. [2020-07-20 13:03:23,032 INFO L268 CegarLoopResult]: For program point processEnvironment__wrappee__baseEXIT(lines 193 199) no Hoare annotation was computed. [2020-07-20 13:03:23,032 INFO L271 CegarLoopResult]: At program point processEnvironment__wrappee__baseFINAL(lines 193 199) the Hoare annotation is: true [2020-07-20 13:03:23,032 INFO L264 CegarLoopResult]: At program point testENTRY(lines 91 154) the Hoare annotation is: (or (not (<= |old(~waterLevel~0)| 1)) (not (<= 1 ~systemActive~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= 0 ~methaneLevelCritical~0) (<= ~waterLevel~0 |old(~waterLevel~0)|) (= 0 ~pumpRunning~0))) [2020-07-20 13:03:23,032 INFO L268 CegarLoopResult]: For program point testFINAL(lines 91 154) no Hoare annotation was computed. [2020-07-20 13:03:23,032 INFO L264 CegarLoopResult]: At program point L147(lines 100 148) the Hoare annotation is: (or (not (<= |old(~waterLevel~0)| 1)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (not (<= 1 ~systemActive~0))) [2020-07-20 13:03:23,033 INFO L268 CegarLoopResult]: For program point L137(lines 137 141) no Hoare annotation was computed. [2020-07-20 13:03:23,033 INFO L264 CegarLoopResult]: At program point L137-2(lines 131 142) the Hoare annotation is: (let ((.cse0 (<= 1 ~methaneLevelCritical~0)) (.cse4 (= 0 ~pumpRunning~0)) (.cse5 (= 0 ~methaneLevelCritical~0)) (.cse1 (<= ~waterLevel~0 2)) (.cse2 (<= test_~splverifierCounter~0 0)) (.cse3 (<= 1 ~pumpRunning~0))) (or (not (<= |old(~waterLevel~0)| 1)) (not (<= 1 ~systemActive~0)) (and .cse0 .cse1 .cse2 .cse3) (and .cse0 .cse1 .cse4 .cse2) (and .cse5 .cse1 .cse4 .cse2) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (and .cse5 .cse1 .cse2 .cse3))) [2020-07-20 13:03:23,033 INFO L268 CegarLoopResult]: For program point L102(lines 101 146) no Hoare annotation was computed. [2020-07-20 13:03:23,033 INFO L268 CegarLoopResult]: For program point L131(lines 131 142) no Hoare annotation was computed. [2020-07-20 13:03:23,033 INFO L264 CegarLoopResult]: At program point L123(line 123) the Hoare annotation is: (let ((.cse0 (<= 1 ~methaneLevelCritical~0)) (.cse4 (= 0 ~pumpRunning~0)) (.cse5 (= 0 ~methaneLevelCritical~0)) (.cse1 (<= ~waterLevel~0 2)) (.cse2 (<= test_~splverifierCounter~0 0)) (.cse3 (<= 1 ~pumpRunning~0))) (or (not (<= |old(~waterLevel~0)| 1)) (not (<= 1 ~systemActive~0)) (and .cse0 .cse1 .cse2 .cse3) (and .cse0 .cse1 .cse4 .cse2) (and .cse5 .cse1 .cse4 .cse2) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (and .cse5 .cse1 .cse2 .cse3))) [2020-07-20 13:03:23,033 INFO L268 CegarLoopResult]: For program point L121(lines 121 127) no Hoare annotation was computed. [2020-07-20 13:03:23,033 INFO L268 CegarLoopResult]: For program point L121-1(lines 121 127) no Hoare annotation was computed. [2020-07-20 13:03:23,034 INFO L264 CegarLoopResult]: At program point L113(line 113) the Hoare annotation is: (let ((.cse0 (<= 1 ~methaneLevelCritical~0)) (.cse4 (= 0 ~pumpRunning~0)) (.cse5 (<= ~waterLevel~0 1)) (.cse6 (= 0 ~methaneLevelCritical~0)) (.cse1 (<= ~waterLevel~0 2)) (.cse2 (<= test_~splverifierCounter~0 0)) (.cse3 (<= 1 ~pumpRunning~0))) (or (not (<= |old(~waterLevel~0)| 1)) (not (<= 1 ~systemActive~0)) (and .cse0 .cse1 .cse2 .cse3) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (and .cse0 .cse4 .cse5 .cse2) (and .cse6 .cse4 .cse5 .cse2) (and .cse6 .cse1 .cse2 .cse3))) [2020-07-20 13:03:23,034 INFO L264 CegarLoopResult]: At program point L144(lines 101 146) the Hoare annotation is: (let ((.cse0 (<= 1 ~methaneLevelCritical~0)) (.cse4 (= 0 ~pumpRunning~0)) (.cse5 (<= ~waterLevel~0 1)) (.cse6 (= 0 ~methaneLevelCritical~0)) (.cse1 (<= ~waterLevel~0 2)) (.cse2 (<= test_~splverifierCounter~0 0)) (.cse3 (<= 1 ~pumpRunning~0))) (or (not (<= |old(~waterLevel~0)| 1)) (not (<= 1 ~systemActive~0)) (and .cse0 .cse1 .cse2 .cse3) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (and .cse0 .cse4 .cse5 .cse2) (and .cse6 .cse4 .cse5 .cse2) (and .cse6 .cse1 .cse2 .cse3))) [2020-07-20 13:03:23,034 INFO L268 CegarLoopResult]: For program point L111(lines 111 117) no Hoare annotation was computed. [2020-07-20 13:03:23,034 INFO L268 CegarLoopResult]: For program point L111-1(lines 111 117) no Hoare annotation was computed. [2020-07-20 13:03:23,034 INFO L268 CegarLoopResult]: For program point L103(lines 103 107) no Hoare annotation was computed. [2020-07-20 13:03:23,034 INFO L268 CegarLoopResult]: For program point testEXIT(lines 91 154) no Hoare annotation was computed. [2020-07-20 13:03:23,034 INFO L268 CegarLoopResult]: For program point __utac__get_this_argENTRY(lines 800 845) no Hoare annotation was computed. [2020-07-20 13:03:23,035 INFO L268 CegarLoopResult]: For program point __utac__get_this_argEXIT(lines 800 845) no Hoare annotation was computed. [2020-07-20 13:03:23,035 INFO L268 CegarLoopResult]: For program point L820(lines 820 827) no Hoare annotation was computed. [2020-07-20 13:03:23,035 INFO L268 CegarLoopResult]: For program point __utac__get_this_argFINAL(lines 800 845) no Hoare annotation was computed. [2020-07-20 13:03:23,035 INFO L268 CegarLoopResult]: For program point L814(lines 814 834) no Hoare annotation was computed. [2020-07-20 13:03:23,035 INFO L268 CegarLoopResult]: For program point L814-1(lines 814 834) no Hoare annotation was computed. [2020-07-20 13:03:23,035 INFO L268 CegarLoopResult]: For program point isLowWaterSensorDryFINAL(lines 483 491) no Hoare annotation was computed. [2020-07-20 13:03:23,035 INFO L271 CegarLoopResult]: At program point isLowWaterSensorDryENTRY(lines 483 491) the Hoare annotation is: true [2020-07-20 13:03:23,035 INFO L268 CegarLoopResult]: For program point isLowWaterSensorDryEXIT(lines 483 491) no Hoare annotation was computed. [2020-07-20 13:03:23,035 INFO L268 CegarLoopResult]: For program point L445(lines 445 453) no Hoare annotation was computed. [2020-07-20 13:03:23,035 INFO L268 CegarLoopResult]: For program point L445-2(lines 445 453) no Hoare annotation was computed. [2020-07-20 13:03:23,036 INFO L268 CegarLoopResult]: For program point printEnvironmentEXIT(lines 437 459) no Hoare annotation was computed. [2020-07-20 13:03:23,036 INFO L268 CegarLoopResult]: For program point printEnvironmentENTRY(lines 437 459) no Hoare annotation was computed. [2020-07-20 13:03:23,036 INFO L268 CegarLoopResult]: For program point printEnvironmentFINAL(lines 437 459) no Hoare annotation was computed. [2020-07-20 13:03:23,036 INFO L268 CegarLoopResult]: For program point select_oneENTRY(lines 53 62) no Hoare annotation was computed. [2020-07-20 13:03:23,036 INFO L268 CegarLoopResult]: For program point select_oneFINAL(lines 53 62) no Hoare annotation was computed. [2020-07-20 13:03:23,036 INFO L268 CegarLoopResult]: For program point select_oneEXIT(lines 53 62) no Hoare annotation was computed. [2020-07-20 13:03:23,036 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtENTRY(lines 697 799) no Hoare annotation was computed. [2020-07-20 13:03:23,036 INFO L268 CegarLoopResult]: For program point L762(line 762) no Hoare annotation was computed. [2020-07-20 13:03:23,036 INFO L268 CegarLoopResult]: For program point L762-1(line 762) no Hoare annotation was computed. [2020-07-20 13:03:23,036 INFO L268 CegarLoopResult]: For program point L721(lines 721 725) no Hoare annotation was computed. [2020-07-20 13:03:23,037 INFO L268 CegarLoopResult]: For program point L785(lines 785 796) no Hoare annotation was computed. [2020-07-20 13:03:23,037 INFO L268 CegarLoopResult]: For program point L748(lines 748 752) no Hoare annotation was computed. [2020-07-20 13:03:23,037 INFO L268 CegarLoopResult]: For program point L746-2(lines 746 766) no Hoare annotation was computed. [2020-07-20 13:03:23,037 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtFINAL(lines 697 799) no Hoare annotation was computed. [2020-07-20 13:03:23,037 INFO L268 CegarLoopResult]: For program point L767(lines 745 768) no Hoare annotation was computed. [2020-07-20 13:03:23,037 INFO L268 CegarLoopResult]: For program point L726(lines 726 742) no Hoare annotation was computed. [2020-07-20 13:03:23,037 INFO L268 CegarLoopResult]: For program point L786(lines 786 793) no Hoare annotation was computed. [2020-07-20 13:03:23,037 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtEXIT(lines 697 799) no Hoare annotation was computed. [2020-07-20 13:03:23,037 INFO L268 CegarLoopResult]: For program point L747(lines 746 766) no Hoare annotation was computed. [2020-07-20 13:03:23,037 INFO L268 CegarLoopResult]: For program point L778(line 778) no Hoare annotation was computed. [2020-07-20 13:03:23,038 INFO L268 CegarLoopResult]: For program point L778-1(line 778) no Hoare annotation was computed. [2020-07-20 13:03:23,038 INFO L268 CegarLoopResult]: For program point L743(lines 743 784) no Hoare annotation was computed. [2020-07-20 13:03:23,038 INFO L268 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-07-20 13:03:23,038 INFO L264 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (<= ~waterLevel~0 |old(~waterLevel~0)|) (= ~pumpRunning~0 |old(~pumpRunning~0)|)) [2020-07-20 13:03:23,038 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-07-20 13:03:23,038 INFO L268 CegarLoopResult]: For program point activatePumpFINAL(lines 278 285) no Hoare annotation was computed. [2020-07-20 13:03:23,038 INFO L268 CegarLoopResult]: For program point activatePumpEXIT(lines 278 285) no Hoare annotation was computed. [2020-07-20 13:03:23,038 INFO L264 CegarLoopResult]: At program point activatePumpENTRY(lines 278 285) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~systemActive~0))) (.cse1 (not (<= ~waterLevel~0 2))) (.cse2 (not (= 0 |old(~pumpRunning~0)|))) (.cse3 (= 0 ~pumpRunning~0))) (and (or .cse0 (not (<= 1 ~methaneLevelCritical~0)) .cse1 .cse2 .cse3) (or .cse0 .cse1 .cse2 (not (= 0 ~methaneLevelCritical~0)) .cse3))) [2020-07-20 13:03:23,038 INFO L268 CegarLoopResult]: For program point isHighWaterLevelEXIT(lines 350 368) no Hoare annotation was computed. [2020-07-20 13:03:23,039 INFO L268 CegarLoopResult]: For program point L359(lines 359 363) no Hoare annotation was computed. [2020-07-20 13:03:23,039 INFO L271 CegarLoopResult]: At program point isHighWaterLevelENTRY(lines 350 368) the Hoare annotation is: true [2020-07-20 13:03:23,039 INFO L271 CegarLoopResult]: At program point L357(line 357) the Hoare annotation is: true [2020-07-20 13:03:23,039 INFO L268 CegarLoopResult]: For program point L359-2(lines 359 363) no Hoare annotation was computed. [2020-07-20 13:03:23,039 INFO L268 CegarLoopResult]: For program point isHighWaterLevelFINAL(lines 350 368) no Hoare annotation was computed. [2020-07-20 13:03:23,039 INFO L268 CegarLoopResult]: For program point L357-1(line 357) no Hoare annotation was computed. [2020-07-20 13:03:23,039 INFO L271 CegarLoopResult]: At program point getWaterLevelENTRY(lines 460 468) the Hoare annotation is: true [2020-07-20 13:03:23,039 INFO L268 CegarLoopResult]: For program point getWaterLevelFINAL(lines 460 468) no Hoare annotation was computed. [2020-07-20 13:03:23,039 INFO L268 CegarLoopResult]: For program point getWaterLevelEXIT(lines 460 468) no Hoare annotation was computed. [2020-07-20 13:03:23,040 INFO L264 CegarLoopResult]: At program point changeMethaneLevelENTRY(lines 416 427) the Hoare annotation is: (let ((.cse1 (= 0 ~methaneLevelCritical~0)) (.cse3 (not (= |old(~methaneLevelCritical~0)| 0))) (.cse6 (not (<= 1 ~pumpRunning~0))) (.cse0 (not (<= 1 ~systemActive~0))) (.cse2 (not (<= ~waterLevel~0 2))) (.cse5 (<= 1 ~methaneLevelCritical~0)) (.cse4 (not (= 0 ~pumpRunning~0))) (.cse7 (not (<= 1 |old(~methaneLevelCritical~0)|)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse0 .cse2 .cse5 .cse6 .cse7) (or .cse0 .cse1 .cse2 .cse3 .cse6) (or .cse0 .cse2 .cse5 .cse4 .cse7))) [2020-07-20 13:03:23,040 INFO L268 CegarLoopResult]: For program point changeMethaneLevelEXIT(lines 416 427) no Hoare annotation was computed. [2020-07-20 13:03:23,040 INFO L268 CegarLoopResult]: For program point L420-1(lines 416 427) no Hoare annotation was computed. [2020-07-20 13:03:23,040 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intEXIT(line -1) no Hoare annotation was computed. [2020-07-20 13:03:23,040 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intENTRY(line -1) no Hoare annotation was computed. [2020-07-20 13:03:23,040 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intFINAL(line -1) no Hoare annotation was computed. [2020-07-20 13:03:23,040 INFO L264 CegarLoopResult]: At program point L182(line 182) the Hoare annotation is: (let ((.cse8 (<= ~waterLevel~0 |old(~waterLevel~0)|))) (let ((.cse1 (not (<= 1 ~methaneLevelCritical~0))) (.cse2 (not (= 0 |old(~pumpRunning~0)|))) (.cse4 (and .cse8 (= 0 ~pumpRunning~0))) (.cse0 (not (<= 1 ~systemActive~0))) (.cse5 (and .cse8 (= ~pumpRunning~0 |old(~pumpRunning~0)|) (<= ~waterLevel~0 1))) (.cse6 (not (<= 1 |old(~pumpRunning~0)|))) (.cse7 (not (= 0 ~methaneLevelCritical~0))) (.cse3 (not (<= |old(~waterLevel~0)| 2)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse0 .cse1 .cse5 .cse6 .cse3) (or .cse0 .cse2 .cse7 .cse3 .cse4) (or .cse0 .cse5 .cse6 .cse7 .cse3)))) [2020-07-20 13:03:23,041 INFO L264 CegarLoopResult]: At program point L180(lines 180 186) the Hoare annotation is: (let ((.cse9 (<= ~waterLevel~0 |old(~waterLevel~0)|)) (.cse10 (<= ~waterLevel~0 1))) (let ((.cse2 (and .cse9 (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse10)) (.cse4 (not (<= 1 |old(~pumpRunning~0)|))) (.cse6 (not (= 0 ~methaneLevelCritical~0))) (.cse0 (not (<= 1 ~systemActive~0))) (.cse3 (and .cse9 (= 0 ~pumpRunning~0) .cse10)) (.cse1 (not (<= 1 ~methaneLevelCritical~0))) (.cse7 (and .cse9 (<= 1 ~pumpRunning~0))) (.cse8 (not (= 0 |old(~pumpRunning~0)|))) (.cse5 (not (<= |old(~waterLevel~0)| 2)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (or .cse0 .cse3 .cse2 .cse4 .cse6 .cse5) (or .cse0 .cse3 .cse7 .cse8 .cse6 .cse5) (or .cse0 .cse3 .cse1 .cse7 .cse8 .cse5)))) [2020-07-20 13:03:23,041 INFO L264 CegarLoopResult]: At program point timeShiftENTRY(lines 169 192) the Hoare annotation is: (let ((.cse4 (<= ~waterLevel~0 |old(~waterLevel~0)|))) (let ((.cse0 (not (<= |old(~waterLevel~0)| 1))) (.cse2 (not (<= 1 ~methaneLevelCritical~0))) (.cse7 (not (= 0 |old(~pumpRunning~0)|))) (.cse9 (and .cse4 (= 0 ~pumpRunning~0))) (.cse1 (not (<= 1 ~systemActive~0))) (.cse10 (<= 2 ~waterLevel~0)) (.cse6 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse12 (<= ~waterLevel~0 2)) (.cse3 (not (<= 1 |old(~pumpRunning~0)|))) (.cse5 (not (= 0 ~methaneLevelCritical~0))) (.cse8 (not (<= |old(~waterLevel~0)| 2))) (.cse11 (not (<= 2 |old(~waterLevel~0)|)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse0 .cse1 .cse3 .cse5 (and .cse4 .cse6)) (or .cse1 .cse2 .cse7 .cse8 .cse9) (or .cse1 .cse10 .cse2 .cse3 .cse8 .cse11) (or .cse1 .cse2 .cse3 (and .cse6 .cse12) .cse8) (or .cse1 .cse7 .cse5 .cse8 .cse9) (or .cse1 (and .cse10 .cse6 .cse12) .cse3 .cse5 .cse8 .cse11)))) [2020-07-20 13:03:23,041 INFO L264 CegarLoopResult]: At program point L175(line 175) the Hoare annotation is: (let ((.cse0 (not (<= |old(~waterLevel~0)| 1))) (.cse4 (<= ~waterLevel~0 |old(~waterLevel~0)|)) (.cse2 (not (<= 1 ~methaneLevelCritical~0))) (.cse10 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (not (<= 1 ~systemActive~0))) (.cse7 (<= 2 ~waterLevel~0)) (.cse6 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse11 (<= ~waterLevel~0 2)) (.cse3 (not (<= 1 |old(~pumpRunning~0)|))) (.cse5 (not (= 0 ~methaneLevelCritical~0))) (.cse8 (not (<= |old(~waterLevel~0)| 2))) (.cse9 (not (<= 2 |old(~waterLevel~0)|)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse0 .cse1 .cse3 .cse5 (and .cse4 .cse6)) (or .cse1 .cse7 .cse2 .cse3 .cse8 .cse9) (or .cse1 .cse10 .cse5 .cse8) (or .cse1 .cse2 .cse3 (and .cse6 .cse11) .cse8) (or .cse1 .cse2 .cse10 .cse8) (or .cse1 (and .cse7 .cse6 .cse11) .cse3 .cse5 .cse8 .cse9))) [2020-07-20 13:03:23,041 INFO L268 CegarLoopResult]: For program point L173(lines 172 191) no Hoare annotation was computed. [2020-07-20 13:03:23,041 INFO L268 CegarLoopResult]: For program point timeShiftEXIT(lines 169 192) no Hoare annotation was computed. [2020-07-20 13:03:23,041 INFO L268 CegarLoopResult]: For program point timeShiftFINAL(lines 169 192) no Hoare annotation was computed. [2020-07-20 13:03:23,041 INFO L268 CegarLoopResult]: For program point cleanupEXIT(lines 894 923) no Hoare annotation was computed. [2020-07-20 13:03:23,042 INFO L271 CegarLoopResult]: At program point cleanupENTRY(lines 894 923) the Hoare annotation is: true [2020-07-20 13:03:23,042 INFO L271 CegarLoopResult]: At program point L919(lines 894 923) the Hoare annotation is: true [2020-07-20 13:03:23,042 INFO L268 CegarLoopResult]: For program point L915(line 915) no Hoare annotation was computed. [2020-07-20 13:03:23,042 INFO L268 CegarLoopResult]: For program point L908(lines 908 912) no Hoare annotation was computed. [2020-07-20 13:03:23,042 INFO L271 CegarLoopResult]: At program point L908-1(lines 908 912) the Hoare annotation is: true [2020-07-20 13:03:23,042 INFO L268 CegarLoopResult]: For program point L905(line 905) no Hoare annotation was computed. [2020-07-20 13:03:23,042 INFO L271 CegarLoopResult]: At program point L904-2(lines 904 918) the Hoare annotation is: true [2020-07-20 13:03:23,042 INFO L271 CegarLoopResult]: At program point L900(line 900) the Hoare annotation is: true [2020-07-20 13:03:23,043 INFO L268 CegarLoopResult]: For program point L900-1(line 900) no Hoare annotation was computed. [2020-07-20 13:03:23,043 INFO L271 CegarLoopResult]: At program point isMethaneLevelCriticalENTRY(lines 428 436) the Hoare annotation is: true [2020-07-20 13:03:23,043 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalFINAL(lines 428 436) no Hoare annotation was computed. [2020-07-20 13:03:23,043 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalEXIT(lines 428 436) no Hoare annotation was computed. [2020-07-20 13:03:23,043 INFO L268 CegarLoopResult]: For program point L512(lines 512 518) no Hoare annotation was computed. [2020-07-20 13:03:23,043 INFO L264 CegarLoopResult]: At program point L510(line 510) the Hoare annotation is: (let ((.cse1 (not (= 0 ~methaneLevelCritical~0))) (.cse5 (not (<= ~waterLevel~0 2))) (.cse3 (not (<= 1 ~pumpRunning~0))) (.cse0 (not (<= 1 ~systemActive~0))) (.cse6 (not (<= 1 ~methaneLevelCritical~0))) (.cse2 (not (<= ~waterLevel~0 1))) (.cse4 (not (= 0 ~pumpRunning~0)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse0 .cse1 .cse2 .cse4) (or .cse0 .cse5 .cse1 (and (= ~waterLevel~0 __utac_acc__Specification3_spec__1_~tmp___0~3) (= ~methaneLevelCritical~0 __utac_acc__Specification3_spec__1_~tmp~6)) .cse3) (or .cse0 .cse6 .cse5 .cse3) (or .cse0 .cse6 .cse2 .cse4))) [2020-07-20 13:03:23,043 INFO L268 CegarLoopResult]: For program point L510-1(line 510) no Hoare annotation was computed. [2020-07-20 13:03:23,043 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification3_spec__1EXIT(lines 493 525) no Hoare annotation was computed. [2020-07-20 13:03:23,044 INFO L268 CegarLoopResult]: For program point L508(lines 508 521) no Hoare annotation was computed. [2020-07-20 13:03:23,044 INFO L268 CegarLoopResult]: For program point L508-1(lines 493 525) no Hoare annotation was computed. [2020-07-20 13:03:23,044 INFO L264 CegarLoopResult]: At program point L506(line 506) the Hoare annotation is: (let ((.cse1 (= ~methaneLevelCritical~0 __utac_acc__Specification3_spec__1_~tmp~6)) (.cse2 (not (= 0 ~methaneLevelCritical~0))) (.cse5 (not (<= ~waterLevel~0 2))) (.cse6 (not (<= 1 ~pumpRunning~0))) (.cse0 (not (<= 1 ~systemActive~0))) (.cse7 (not (<= 1 ~methaneLevelCritical~0))) (.cse3 (not (<= ~waterLevel~0 1))) (.cse4 (not (= 0 ~pumpRunning~0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse0 .cse5 .cse1 .cse2 .cse6) (or .cse0 .cse7 .cse5 .cse6) (or .cse0 .cse7 .cse3 .cse4))) [2020-07-20 13:03:23,044 INFO L271 CegarLoopResult]: At program point __utac_acc__Specification3_spec__1ENTRY(lines 493 525) the Hoare annotation is: true [2020-07-20 13:03:23,044 INFO L268 CegarLoopResult]: For program point L506-1(line 506) no Hoare annotation was computed. [2020-07-20 13:03:23,044 INFO L268 CegarLoopResult]: For program point L502(lines 502 522) no Hoare annotation was computed. [2020-07-20 13:03:23,044 INFO L271 CegarLoopResult]: At program point L500(line 500) the Hoare annotation is: true [2020-07-20 13:03:23,044 INFO L268 CegarLoopResult]: For program point L500-1(line 500) no Hoare annotation was computed. [2020-07-20 13:03:23,045 INFO L264 CegarLoopResult]: At program point L516(line 516) the Hoare annotation is: (let ((.cse1 (not (= 0 ~methaneLevelCritical~0))) (.cse4 (not (<= ~waterLevel~0 2))) (.cse5 (not (<= 1 ~pumpRunning~0))) (.cse0 (not (<= 1 ~systemActive~0))) (.cse6 (not (<= 1 ~methaneLevelCritical~0))) (.cse2 (not (<= ~waterLevel~0 1))) (.cse3 (not (= 0 ~pumpRunning~0)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse0 .cse4 .cse1 .cse5) (or .cse0 .cse6 .cse4 .cse5) (or .cse0 .cse6 .cse2 .cse3))) [2020-07-20 13:03:23,045 INFO L264 CegarLoopResult]: At program point lowerWaterLevelENTRY(lines 392 403) the Hoare annotation is: (let ((.cse5 (not (<= |old(~waterLevel~0)| 1))) (.cse6 (<= ~waterLevel~0 |old(~waterLevel~0)|)) (.cse2 (<= ~waterLevel~0 2)) (.cse7 (not (= 0 ~methaneLevelCritical~0))) (.cse0 (not (<= 1 ~systemActive~0))) (.cse8 (<= 2 ~waterLevel~0)) (.cse1 (not (<= 1 ~methaneLevelCritical~0))) (.cse3 (not (<= |old(~waterLevel~0)| 2))) (.cse4 (not (<= 1 ~pumpRunning~0))) (.cse9 (not (<= 2 |old(~waterLevel~0)|)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse5 .cse0 .cse6 .cse7 .cse4) (or .cse5 .cse0 .cse1 .cse6 .cse4) (or .cse0 (and .cse8 .cse2) .cse7 .cse3 .cse4 .cse9) (or .cse0 .cse8 .cse1 .cse3 .cse4 .cse9))) [2020-07-20 13:03:23,045 INFO L268 CegarLoopResult]: For program point L396-1(lines 392 403) no Hoare annotation was computed. [2020-07-20 13:03:23,045 INFO L268 CegarLoopResult]: For program point lowerWaterLevelEXIT(lines 392 403) no Hoare annotation was computed. [2020-07-20 13:03:23,045 INFO L268 CegarLoopResult]: For program point setupEXIT(lines 948 954) no Hoare annotation was computed. [2020-07-20 13:03:23,045 INFO L271 CegarLoopResult]: At program point setupFINAL(lines 948 954) the Hoare annotation is: true [2020-07-20 13:03:23,045 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-07-20 13:03:23,046 INFO L264 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (and (= 0 ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (<= ~waterLevel~0 1) (<= 1 ~systemActive~0)) [2020-07-20 13:03:23,046 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-07-20 13:03:23,046 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-07-20 13:03:23,046 INFO L264 CegarLoopResult]: At program point processEnvironment__wrappee__highWaterSensorENTRY(lines 201 225) the Hoare annotation is: (let ((.cse1 (not (<= 1 ~methaneLevelCritical~0))) (.cse6 (not (<= 1 |old(~pumpRunning~0)|))) (.cse5 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse8 (not (<= ~waterLevel~0 1))) (.cse0 (not (<= 1 ~systemActive~0))) (.cse2 (not (<= ~waterLevel~0 2))) (.cse3 (not (= 0 |old(~pumpRunning~0)|))) (.cse7 (not (= 0 ~methaneLevelCritical~0))) (.cse4 (= 0 ~pumpRunning~0))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse0 .cse5 .cse6 .cse7 .cse8) (or .cse0 .cse1 .cse6 .cse5 .cse8) (or .cse0 .cse2 .cse3 .cse7 .cse4))) [2020-07-20 13:03:23,046 INFO L264 CegarLoopResult]: At program point L220(line 220) the Hoare annotation is: (let ((.cse6 (not (<= ~waterLevel~0 2))) (.cse7 (not (= 0 |old(~pumpRunning~0)|))) (.cse3 (not (= 0 ~methaneLevelCritical~0))) (.cse0 (not (<= 1 ~systemActive~0))) (.cse5 (not (<= 1 ~methaneLevelCritical~0))) (.cse2 (not (<= 1 |old(~pumpRunning~0)|))) (.cse1 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse4 (not (<= ~waterLevel~0 1)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse0 .cse5 .cse6 .cse7) (or .cse0 .cse6 .cse7 .cse3) (or .cse0 .cse5 .cse2 .cse1 .cse4))) [2020-07-20 13:03:23,046 INFO L268 CegarLoopResult]: For program point processEnvironment__wrappee__highWaterSensorEXIT(lines 201 225) no Hoare annotation was computed. [2020-07-20 13:03:23,046 INFO L268 CegarLoopResult]: For program point L220-1(lines 201 225) no Hoare annotation was computed. [2020-07-20 13:03:23,047 INFO L264 CegarLoopResult]: At program point L215(line 215) the Hoare annotation is: (let ((.cse8 (<= ~waterLevel~0 1))) (let ((.cse1 (not (<= 1 ~methaneLevelCritical~0))) (.cse5 (not (<= 1 |old(~pumpRunning~0)|))) (.cse7 (not .cse8)) (.cse0 (not (<= 1 ~systemActive~0))) (.cse2 (not (<= ~waterLevel~0 2))) (.cse3 (not (= 0 |old(~pumpRunning~0)|))) (.cse6 (not (= 0 ~methaneLevelCritical~0))) (.cse4 (and (= 0 ~pumpRunning~0) .cse8))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse0 .cse5 .cse6 .cse7) (or .cse0 .cse1 .cse5 .cse7) (or .cse0 .cse2 .cse3 .cse6 .cse4)))) [2020-07-20 13:03:23,047 INFO L264 CegarLoopResult]: At program point L211(line 211) the Hoare annotation is: (let ((.cse9 (= 0 ~pumpRunning~0)) (.cse10 (<= ~waterLevel~0 1))) (let ((.cse4 (not (= 0 ~methaneLevelCritical~0))) (.cse6 (not (<= 1 |old(~pumpRunning~0)|))) (.cse7 (not .cse10)) (.cse0 (not (<= 1 ~systemActive~0))) (.cse8 (not (<= 1 ~methaneLevelCritical~0))) (.cse1 (not (<= ~waterLevel~0 2))) (.cse2 (and (<= 1 processEnvironment__wrappee__highWaterSensor_~tmp~1) .cse9)) (.cse3 (not (= 0 |old(~pumpRunning~0)|))) (.cse5 (and .cse9 .cse10))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (or .cse0 .cse6 .cse4 .cse7) (or .cse0 .cse8 .cse6 .cse7) (or .cse0 .cse8 .cse1 .cse2 .cse3 .cse5)))) [2020-07-20 13:03:23,047 INFO L268 CegarLoopResult]: For program point L209(lines 209 217) no Hoare annotation was computed. [2020-07-20 13:03:23,047 INFO L264 CegarLoopResult]: At program point L207(line 207) the Hoare annotation is: (let ((.cse2 (not (<= ~waterLevel~0 2))) (.cse3 (not (= 0 |old(~pumpRunning~0)|))) (.cse4 (= 0 ~pumpRunning~0)) (.cse5 (not (= 0 ~methaneLevelCritical~0))) (.cse0 (not (<= 1 ~systemActive~0))) (.cse1 (not (<= 1 ~methaneLevelCritical~0))) (.cse6 (not (<= 1 |old(~pumpRunning~0)|))) (.cse7 (not (<= ~waterLevel~0 1)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse0 .cse2 .cse3 .cse5 .cse4) (or .cse0 .cse6 .cse5 .cse7) (or .cse0 .cse1 .cse6 .cse7))) [2020-07-20 13:03:23,047 INFO L268 CegarLoopResult]: For program point L207-1(line 207) no Hoare annotation was computed. [2020-07-20 13:03:23,047 INFO L268 CegarLoopResult]: For program point L205(lines 205 222) no Hoare annotation was computed. [2020-07-20 13:03:23,047 INFO L268 CegarLoopResult]: For program point waterRiseEXIT(lines 404 415) no Hoare annotation was computed. [2020-07-20 13:03:23,047 INFO L268 CegarLoopResult]: For program point L408-1(lines 404 415) no Hoare annotation was computed. [2020-07-20 13:03:23,048 INFO L264 CegarLoopResult]: At program point waterRiseENTRY(lines 404 415) the Hoare annotation is: (let ((.cse0 (not (<= |old(~waterLevel~0)| 1))) (.cse5 (not (<= 1 ~methaneLevelCritical~0))) (.cse2 (<= ~waterLevel~0 |old(~waterLevel~0)|)) (.cse9 (not (= 0 ~pumpRunning~0))) (.cse1 (not (<= 1 ~systemActive~0))) (.cse6 (and (<= 2 ~waterLevel~0) (<= ~waterLevel~0 2))) (.cse3 (not (= 0 ~methaneLevelCritical~0))) (.cse7 (not (<= |old(~waterLevel~0)| 2))) (.cse4 (not (<= 1 ~pumpRunning~0))) (.cse8 (not (<= 2 |old(~waterLevel~0)|)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse1 .cse5 .cse6 .cse7 .cse4 .cse8) (or .cse0 .cse1 .cse5 .cse2 .cse4) (or .cse0 .cse1 .cse2 .cse3 .cse9) (or .cse0 .cse1 .cse5 .cse2 .cse9) (or .cse1 .cse6 .cse3 .cse7 .cse4 .cse8))) [2020-07-20 13:03:23,048 INFO L268 CegarLoopResult]: For program point __automaton_failFINAL(lines 40 47) no Hoare annotation was computed. [2020-07-20 13:03:23,048 INFO L268 CegarLoopResult]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 44) no Hoare annotation was computed. [2020-07-20 13:03:23,048 INFO L271 CegarLoopResult]: At program point __automaton_failENTRY(lines 40 47) the Hoare annotation is: true [2020-07-20 13:03:23,048 INFO L268 CegarLoopResult]: For program point __automaton_failEXIT(lines 40 47) no Hoare annotation was computed. [2020-07-20 13:03:23,048 INFO L268 CegarLoopResult]: For program point processEnvironment__wrappee__lowWaterSensorEXIT(lines 227 251) no Hoare annotation was computed. [2020-07-20 13:03:23,049 INFO L264 CegarLoopResult]: At program point processEnvironment__wrappee__lowWaterSensorENTRY(lines 227 251) the Hoare annotation is: (let ((.cse1 (not (<= 1 ~methaneLevelCritical~0))) (.cse6 (not (<= 1 |old(~pumpRunning~0)|))) (.cse5 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse8 (not (<= ~waterLevel~0 1))) (.cse0 (not (<= 1 ~systemActive~0))) (.cse2 (not (<= ~waterLevel~0 2))) (.cse3 (not (= 0 |old(~pumpRunning~0)|))) (.cse7 (not (= 0 ~methaneLevelCritical~0))) (.cse4 (= 0 ~pumpRunning~0))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse0 .cse5 .cse6 .cse7 .cse8) (or .cse0 .cse1 .cse6 .cse5 .cse8) (or .cse0 .cse2 .cse3 .cse7 .cse4))) [2020-07-20 13:03:23,049 INFO L264 CegarLoopResult]: At program point L246(line 246) the Hoare annotation is: (let ((.cse2 (not (<= ~waterLevel~0 2))) (.cse3 (not (= 0 |old(~pumpRunning~0)|))) (.cse4 (= 0 ~pumpRunning~0)) (.cse5 (not (= 0 ~methaneLevelCritical~0))) (.cse0 (not (<= 1 ~systemActive~0))) (.cse1 (not (<= 1 ~methaneLevelCritical~0))) (.cse6 (not (<= 1 |old(~pumpRunning~0)|))) (.cse7 (not (<= ~waterLevel~0 1)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse0 .cse2 .cse3 .cse5 .cse4) (or .cse0 .cse6 .cse5 .cse7) (or .cse0 .cse1 .cse6 .cse7))) [2020-07-20 13:03:23,049 INFO L268 CegarLoopResult]: For program point L246-1(lines 227 251) no Hoare annotation was computed. [2020-07-20 13:03:23,049 INFO L264 CegarLoopResult]: At program point L241(line 241) the Hoare annotation is: (let ((.cse6 (not (<= ~waterLevel~0 2))) (.cse7 (not (= 0 |old(~pumpRunning~0)|))) (.cse3 (not (= 0 ~methaneLevelCritical~0))) (.cse0 (not (<= 1 ~systemActive~0))) (.cse5 (not (<= 1 ~methaneLevelCritical~0))) (.cse2 (not (<= 1 |old(~pumpRunning~0)|))) (.cse1 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse4 (not (<= ~waterLevel~0 1)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse0 .cse5 .cse6 .cse7) (or .cse0 .cse6 .cse7 .cse3) (or .cse0 .cse5 .cse2 .cse1 .cse4))) [2020-07-20 13:03:23,049 INFO L264 CegarLoopResult]: At program point L237(line 237) the Hoare annotation is: (let ((.cse6 (not (<= ~waterLevel~0 2))) (.cse7 (not (= 0 |old(~pumpRunning~0)|))) (.cse3 (not (= 0 ~methaneLevelCritical~0))) (.cse0 (not (<= 1 ~systemActive~0))) (.cse5 (not (<= 1 ~methaneLevelCritical~0))) (.cse2 (not (<= 1 |old(~pumpRunning~0)|))) (.cse1 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse4 (not (<= ~waterLevel~0 1)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse0 .cse5 .cse6 .cse7) (or .cse0 .cse6 .cse7 .cse3) (or .cse0 .cse5 .cse2 .cse1 .cse4))) [2020-07-20 13:03:23,049 INFO L268 CegarLoopResult]: For program point L235(lines 235 243) no Hoare annotation was computed. [2020-07-20 13:03:23,049 INFO L264 CegarLoopResult]: At program point L233(line 233) the Hoare annotation is: (let ((.cse6 (not (<= ~waterLevel~0 2))) (.cse7 (not (= 0 |old(~pumpRunning~0)|))) (.cse3 (not (= 0 ~methaneLevelCritical~0))) (.cse0 (not (<= 1 ~systemActive~0))) (.cse5 (not (<= 1 ~methaneLevelCritical~0))) (.cse2 (not (<= 1 |old(~pumpRunning~0)|))) (.cse1 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse4 (not (<= ~waterLevel~0 1)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse0 .cse5 .cse6 .cse7) (or .cse0 .cse6 .cse7 .cse3) (or .cse0 .cse5 .cse2 .cse1 .cse4))) [2020-07-20 13:03:23,050 INFO L268 CegarLoopResult]: For program point L233-1(line 233) no Hoare annotation was computed. [2020-07-20 13:03:23,050 INFO L268 CegarLoopResult]: For program point L231(lines 231 248) no Hoare annotation was computed. [2020-07-20 13:03:23,072 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.07 01:03:23 BoogieIcfgContainer [2020-07-20 13:03:23,072 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-07-20 13:03:23,074 INFO L168 Benchmark]: Toolchain (without parser) took 24953.96 ms. Allocated memory was 137.9 MB in the beginning and 463.5 MB in the end (delta: 325.6 MB). Free memory was 101.5 MB in the beginning and 272.7 MB in the end (delta: -171.2 MB). Peak memory consumption was 340.2 MB. Max. memory is 7.1 GB. [2020-07-20 13:03:23,075 INFO L168 Benchmark]: CDTParser took 0.54 ms. Allocated memory is still 137.9 MB. Free memory was 120.9 MB in the beginning and 120.7 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2020-07-20 13:03:23,076 INFO L168 Benchmark]: CACSL2BoogieTranslator took 693.53 ms. Allocated memory was 137.9 MB in the beginning and 205.0 MB in the end (delta: 67.1 MB). Free memory was 101.1 MB in the beginning and 173.2 MB in the end (delta: -72.1 MB). Peak memory consumption was 28.1 MB. Max. memory is 7.1 GB. [2020-07-20 13:03:23,077 INFO L168 Benchmark]: Boogie Preprocessor took 87.02 ms. Allocated memory is still 205.0 MB. Free memory was 173.2 MB in the beginning and 169.0 MB in the end (delta: 4.1 MB). Peak memory consumption was 4.1 MB. Max. memory is 7.1 GB. [2020-07-20 13:03:23,077 INFO L168 Benchmark]: RCFGBuilder took 1342.05 ms. Allocated memory was 205.0 MB in the beginning and 237.0 MB in the end (delta: 32.0 MB). Free memory was 169.0 MB in the beginning and 197.5 MB in the end (delta: -28.5 MB). Peak memory consumption was 85.1 MB. Max. memory is 7.1 GB. [2020-07-20 13:03:23,078 INFO L168 Benchmark]: TraceAbstraction took 22826.08 ms. Allocated memory was 237.0 MB in the beginning and 463.5 MB in the end (delta: 226.5 MB). Free memory was 197.5 MB in the beginning and 272.7 MB in the end (delta: -75.2 MB). Peak memory consumption was 337.2 MB. Max. memory is 7.1 GB. [2020-07-20 13:03:23,081 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.54 ms. Allocated memory is still 137.9 MB. Free memory was 120.9 MB in the beginning and 120.7 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 693.53 ms. Allocated memory was 137.9 MB in the beginning and 205.0 MB in the end (delta: 67.1 MB). Free memory was 101.1 MB in the beginning and 173.2 MB in the end (delta: -72.1 MB). Peak memory consumption was 28.1 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 87.02 ms. Allocated memory is still 205.0 MB. Free memory was 173.2 MB in the beginning and 169.0 MB in the end (delta: 4.1 MB). Peak memory consumption was 4.1 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1342.05 ms. Allocated memory was 205.0 MB in the beginning and 237.0 MB in the end (delta: 32.0 MB). Free memory was 169.0 MB in the beginning and 197.5 MB in the end (delta: -28.5 MB). Peak memory consumption was 85.1 MB. Max. memory is 7.1 GB. * TraceAbstraction took 22826.08 ms. Allocated memory was 237.0 MB in the beginning and 463.5 MB in the end (delta: 226.5 MB). Free memory was 197.5 MB in the beginning and 272.7 MB in the end (delta: -75.2 MB). Peak memory consumption was 337.2 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 44]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 101]: Loop Invariant Derived loop invariant: ((((((!(\old(waterLevel) <= 1) || !(1 <= systemActive)) || (((1 <= methaneLevelCritical && waterLevel <= 2) && splverifierCounter <= 0) && 1 <= pumpRunning)) || !(0 == \old(pumpRunning))) || !(\old(methaneLevelCritical) == 0)) || (((1 <= methaneLevelCritical && 0 == pumpRunning) && waterLevel <= 1) && splverifierCounter <= 0)) || (((0 == methaneLevelCritical && 0 == pumpRunning) && waterLevel <= 1) && splverifierCounter <= 0)) || (((0 == methaneLevelCritical && waterLevel <= 2) && splverifierCounter <= 0) && 1 <= pumpRunning) - InvariantResult [Line: 894]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 100]: Loop Invariant Derived loop invariant: ((!(\old(waterLevel) <= 1) || !(0 == \old(pumpRunning))) || !(\old(methaneLevelCritical) == 0)) || !(1 <= systemActive) - InvariantResult [Line: 904]: Loop Invariant Derived loop invariant: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 41 procedures, 248 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 14.4s, OverallIterations: 12, TraceHistogramMax: 3, AutomataDifference: 4.9s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 8.2s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 2262 SDtfs, 1912 SDslu, 4787 SDs, 0 SdLazy, 2774 SolverSat, 897 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 3.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 1519 GetRequests, 1421 SyntacticMatches, 16 SemanticMatches, 82 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 232 ImplicationChecksByTransitivity, 0.9s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=753occurred in iteration=11, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.3s AutomataMinimizationTime, 12 MinimizatonAttempts, 368 StatesRemovedByMinimization, 7 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 67 LocationsWithAnnotation, 2320 PreInvPairs, 2642 NumberOfFragments, 2953 HoareAnnotationTreeSize, 2320 FomulaSimplifications, 10612 FormulaSimplificationTreeSizeReduction, 1.3s HoareSimplificationTime, 67 FomulaSimplificationsInter, 10487 FormulaSimplificationTreeSizeReductionInter, 6.8s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.3s SsaConstructionTime, 3.6s SatisfiabilityAnalysisTime, 1.5s InterpolantComputationTime, 1202 NumberOfCodeBlocks, 1014 NumberOfCodeBlocksAsserted, 39 NumberOfCheckSat, 1482 ConstructedInterpolants, 0 QuantifiedInterpolants, 350720 SizeOfPredicates, 37 NumberOfNonLiveVariables, 8738 ConjunctsInSsa, 120 ConjunctsInUnsatCore, 14 InterpolantComputations, 11 PerfectInterpolantSequences, 180/194 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...