/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_VARIABLES --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_spec2_product45.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-d623d84 [2020-07-20 16:23:23,910 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-07-20 16:23:23,913 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-07-20 16:23:23,930 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-07-20 16:23:23,930 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-07-20 16:23:23,932 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-07-20 16:23:23,934 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-07-20 16:23:23,943 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-07-20 16:23:23,947 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-07-20 16:23:23,950 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-07-20 16:23:23,951 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-07-20 16:23:23,953 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-07-20 16:23:23,953 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-07-20 16:23:23,954 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-07-20 16:23:23,956 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-07-20 16:23:23,957 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-07-20 16:23:23,959 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-07-20 16:23:23,959 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-07-20 16:23:23,961 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-07-20 16:23:23,965 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-07-20 16:23:23,971 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-07-20 16:23:23,974 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-07-20 16:23:23,975 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-07-20 16:23:23,975 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-07-20 16:23:23,979 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-07-20 16:23:23,979 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-07-20 16:23:23,979 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-07-20 16:23:23,982 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-07-20 16:23:23,982 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-07-20 16:23:23,983 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-07-20 16:23:23,983 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-07-20 16:23:23,984 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-07-20 16:23:23,985 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-07-20 16:23:23,986 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-07-20 16:23:23,987 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-07-20 16:23:23,987 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-07-20 16:23:23,987 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-07-20 16:23:23,987 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-07-20 16:23:23,988 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-07-20 16:23:23,988 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-07-20 16:23:23,990 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-07-20 16:23:23,990 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 16:23:24,023 INFO L113 SettingsManager]: Loading preferences was successful [2020-07-20 16:23:24,024 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-07-20 16:23:24,025 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-07-20 16:23:24,025 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-07-20 16:23:24,027 INFO L138 SettingsManager]: * Use SBE=true [2020-07-20 16:23:24,027 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-07-20 16:23:24,028 INFO L138 SettingsManager]: * sizeof long=4 [2020-07-20 16:23:24,028 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-07-20 16:23:24,028 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-07-20 16:23:24,028 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-07-20 16:23:24,028 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-07-20 16:23:24,028 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-07-20 16:23:24,029 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-07-20 16:23:24,029 INFO L138 SettingsManager]: * sizeof long double=12 [2020-07-20 16:23:24,029 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-07-20 16:23:24,029 INFO L138 SettingsManager]: * Use constant arrays=true [2020-07-20 16:23:24,029 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-07-20 16:23:24,029 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-07-20 16:23:24,030 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-07-20 16:23:24,030 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-07-20 16:23:24,030 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-07-20 16:23:24,030 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-20 16:23:24,030 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-07-20 16:23:24,031 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-07-20 16:23:24,031 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-07-20 16:23:24,031 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-07-20 16:23:24,034 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 16:23:24,034 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-07-20 16:23:24,034 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-07-20 16:23:24,034 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_VARIABLES 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 16:23:24,296 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2020-07-20 16:23:24,308 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-07-20 16:23:24,312 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-07-20 16:23:24,313 INFO L271 PluginConnector]: Initializing CDTParser... [2020-07-20 16:23:24,313 INFO L275 PluginConnector]: CDTParser initialized [2020-07-20 16:23:24,314 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec2_product45.cil.c [2020-07-20 16:23:24,372 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9e0aaf6e1/c4de04f1894747a4bc2a277f3eed3733/FLAG6e51c159e [2020-07-20 16:23:24,890 INFO L306 CDTParser]: Found 1 translation units. [2020-07-20 16:23:24,891 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec2_product45.cil.c [2020-07-20 16:23:24,913 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9e0aaf6e1/c4de04f1894747a4bc2a277f3eed3733/FLAG6e51c159e [2020-07-20 16:23:25,156 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9e0aaf6e1/c4de04f1894747a4bc2a277f3eed3733 [2020-07-20 16:23:25,164 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-07-20 16:23:25,166 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-07-20 16:23:25,167 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-07-20 16:23:25,167 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-07-20 16:23:25,171 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-07-20 16:23:25,172 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.07 04:23:25" (1/1) ... [2020-07-20 16:23:25,174 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@59163806 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 04:23:25, skipping insertion in model container [2020-07-20 16:23:25,175 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.07 04:23:25" (1/1) ... [2020-07-20 16:23:25,181 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-07-20 16:23:25,221 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-07-20 16:23:25,673 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-20 16:23:25,686 INFO L203 MainTranslator]: Completed pre-run [2020-07-20 16:23:25,755 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-20 16:23:25,791 INFO L208 MainTranslator]: Completed translation [2020-07-20 16:23:25,791 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 04:23:25 WrapperNode [2020-07-20 16:23:25,792 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-07-20 16:23:25,792 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-07-20 16:23:25,792 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-07-20 16:23:25,793 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-07-20 16:23:25,806 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 04:23:25" (1/1) ... [2020-07-20 16:23:25,806 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 04:23:25" (1/1) ... [2020-07-20 16:23:25,825 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 04:23:25" (1/1) ... [2020-07-20 16:23:25,826 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 04:23:25" (1/1) ... [2020-07-20 16:23:25,858 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 04:23:25" (1/1) ... [2020-07-20 16:23:25,868 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 04:23:25" (1/1) ... [2020-07-20 16:23:25,873 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 04:23:25" (1/1) ... [2020-07-20 16:23:25,881 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-07-20 16:23:25,882 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-07-20 16:23:25,882 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-07-20 16:23:25,882 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-07-20 16:23:25,883 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 04:23:25" (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 16:23:25,948 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-07-20 16:23:25,948 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-07-20 16:23:25,948 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-07-20 16:23:25,948 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-07-20 16:23:25,949 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-07-20 16:23:25,949 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-07-20 16:23:25,949 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-07-20 16:23:25,949 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-07-20 16:23:25,949 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-07-20 16:23:25,949 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-07-20 16:23:25,950 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-07-20 16:23:25,950 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-07-20 16:23:25,950 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-07-20 16:23:25,950 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-07-20 16:23:25,950 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-07-20 16:23:25,950 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-07-20 16:23:25,951 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2020-07-20 16:23:25,951 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__methaneQuery [2020-07-20 16:23:25,951 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-07-20 16:23:25,951 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__highWaterSensor [2020-07-20 16:23:25,951 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-07-20 16:23:25,951 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-07-20 16:23:25,951 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-07-20 16:23:25,952 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-07-20 16:23:25,952 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-07-20 16:23:25,952 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2020-07-20 16:23:25,952 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-07-20 16:23:25,952 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-07-20 16:23:25,952 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-07-20 16:23:25,953 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-07-20 16:23:25,953 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-07-20 16:23:25,953 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-07-20 16:23:25,953 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-07-20 16:23:25,953 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2020-07-20 16:23:25,953 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-07-20 16:23:25,954 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-07-20 16:23:25,954 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-07-20 16:23:25,954 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-07-20 16:23:25,954 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__1 [2020-07-20 16:23:25,954 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__2 [2020-07-20 16:23:25,954 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-07-20 16:23:25,955 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-07-20 16:23:25,955 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-07-20 16:23:25,955 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-07-20 16:23:25,955 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-07-20 16:23:25,955 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-07-20 16:23:25,955 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-07-20 16:23:25,955 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-07-20 16:23:25,955 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-07-20 16:23:25,955 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-07-20 16:23:25,956 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-07-20 16:23:25,956 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-07-20 16:23:25,956 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-07-20 16:23:25,956 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-07-20 16:23:25,956 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-07-20 16:23:25,956 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-07-20 16:23:25,957 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-07-20 16:23:25,957 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-07-20 16:23:25,957 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-07-20 16:23:25,957 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-07-20 16:23:25,957 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-07-20 16:23:25,957 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-07-20 16:23:25,958 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-07-20 16:23:25,958 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-07-20 16:23:25,958 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-07-20 16:23:25,958 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-07-20 16:23:25,958 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-07-20 16:23:25,958 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-07-20 16:23:25,958 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__1 [2020-07-20 16:23:25,959 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-07-20 16:23:25,959 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-07-20 16:23:25,959 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-07-20 16:23:25,959 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-07-20 16:23:25,959 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-07-20 16:23:25,959 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-07-20 16:23:25,959 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-07-20 16:23:25,960 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-07-20 16:23:25,960 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-07-20 16:23:25,960 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2020-07-20 16:23:25,960 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-07-20 16:23:25,960 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-07-20 16:23:25,960 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-07-20 16:23:25,960 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__2 [2020-07-20 16:23:25,961 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-07-20 16:23:25,961 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2020-07-20 16:23:25,961 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2020-07-20 16:23:25,961 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__methaneQuery [2020-07-20 16:23:25,961 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-07-20 16:23:25,961 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__highWaterSensor [2020-07-20 16:23:25,961 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-07-20 16:23:25,962 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-07-20 16:23:25,962 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-07-20 16:23:25,962 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-07-20 16:23:25,962 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-07-20 16:23:27,020 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-07-20 16:23:27,020 INFO L295 CfgBuilder]: Removed 5 assume(true) statements. [2020-07-20 16:23:27,025 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.07 04:23:27 BoogieIcfgContainer [2020-07-20 16:23:27,025 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-07-20 16:23:27,026 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-07-20 16:23:27,026 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-07-20 16:23:27,029 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-07-20 16:23:27,029 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.07 04:23:25" (1/3) ... [2020-07-20 16:23:27,030 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7b5f75d1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.07 04:23:27, skipping insertion in model container [2020-07-20 16:23:27,030 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 04:23:25" (2/3) ... [2020-07-20 16:23:27,031 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7b5f75d1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.07 04:23:27, skipping insertion in model container [2020-07-20 16:23:27,031 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.07 04:23:27" (3/3) ... [2020-07-20 16:23:27,033 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec2_product45.cil.c [2020-07-20 16:23:27,042 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBPonlyIfFpWasNotPerfect Determinization: PREDICATE_ABSTRACTION [2020-07-20 16:23:27,050 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-07-20 16:23:27,063 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-07-20 16:23:27,084 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-07-20 16:23:27,084 INFO L376 AbstractCegarLoop]: Hoare is true [2020-07-20 16:23:27,085 INFO L377 AbstractCegarLoop]: Compute interpolants for FPandBPonlyIfFpWasNotPerfect [2020-07-20 16:23:27,085 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-07-20 16:23:27,085 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-07-20 16:23:27,085 INFO L380 AbstractCegarLoop]: Difference is false [2020-07-20 16:23:27,085 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-07-20 16:23:27,086 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-07-20 16:23:27,108 INFO L276 IsEmpty]: Start isEmpty. Operand 178 states. [2020-07-20 16:23:27,117 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2020-07-20 16:23:27,117 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 16:23:27,118 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-20 16:23:27,119 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 16:23:27,124 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 16:23:27,125 INFO L82 PathProgramCache]: Analyzing trace with hash -1016037874, now seen corresponding path program 1 times [2020-07-20 16:23:27,131 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 16:23:27,132 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [303551503] [2020-07-20 16:23:27,132 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 16:23:27,621 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 3 check-sat command(s) [2020-07-20 16:23:27,621 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-20 16:23:27,630 INFO L263 TraceCheckSpWp]: Trace formula consists of 651 conjuncts, 1 conjunts are in the unsatisfiable core [2020-07-20 16:23:27,639 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 16:23:27,673 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 16:23:27,674 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-20 16:23:27,676 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [303551503] [2020-07-20 16:23:27,677 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 16:23:27,677 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-07-20 16:23:27,678 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1750200969] [2020-07-20 16:23:27,683 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-07-20 16:23:27,684 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 16:23:27,701 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-07-20 16:23:27,702 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-07-20 16:23:27,704 INFO L87 Difference]: Start difference. First operand 178 states. Second operand 2 states. [2020-07-20 16:23:27,745 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 16:23:27,746 INFO L93 Difference]: Finished difference Result 266 states and 333 transitions. [2020-07-20 16:23:27,746 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-07-20 16:23:27,747 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 51 [2020-07-20 16:23:27,748 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 16:23:27,760 INFO L225 Difference]: With dead ends: 266 [2020-07-20 16:23:27,761 INFO L226 Difference]: Without dead ends: 135 [2020-07-20 16:23:27,765 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 50 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 16:23:27,783 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 135 states. [2020-07-20 16:23:27,815 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 135 to 135. [2020-07-20 16:23:27,816 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 135 states. [2020-07-20 16:23:27,819 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 135 states to 135 states and 160 transitions. [2020-07-20 16:23:27,821 INFO L78 Accepts]: Start accepts. Automaton has 135 states and 160 transitions. Word has length 51 [2020-07-20 16:23:27,821 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 16:23:27,821 INFO L479 AbstractCegarLoop]: Abstraction has 135 states and 160 transitions. [2020-07-20 16:23:27,822 INFO L480 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-07-20 16:23:27,822 INFO L276 IsEmpty]: Start isEmpty. Operand 135 states and 160 transitions. [2020-07-20 16:23:27,828 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2020-07-20 16:23:27,829 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 16:23:27,829 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 16:23:28,043 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 16:23:28,044 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 16:23:28,044 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 16:23:28,045 INFO L82 PathProgramCache]: Analyzing trace with hash 2062541652, now seen corresponding path program 1 times [2020-07-20 16:23:28,046 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 16:23:28,046 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2010700762] [2020-07-20 16:23:28,047 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 16:23:28,475 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 3 check-sat command(s) [2020-07-20 16:23:28,475 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-20 16:23:28,484 INFO L263 TraceCheckSpWp]: Trace formula consists of 650 conjuncts, 2 conjunts are in the unsatisfiable core [2020-07-20 16:23:28,488 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 16:23:28,544 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 16:23:28,544 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-20 16:23:28,544 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2010700762] [2020-07-20 16:23:28,545 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 16:23:28,545 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-20 16:23:28,545 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1511996571] [2020-07-20 16:23:28,551 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-20 16:23:28,552 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 16:23:28,552 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-20 16:23:28,553 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-20 16:23:28,553 INFO L87 Difference]: Start difference. First operand 135 states and 160 transitions. Second operand 3 states. [2020-07-20 16:23:28,591 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 16:23:28,591 INFO L93 Difference]: Finished difference Result 215 states and 255 transitions. [2020-07-20 16:23:28,593 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-20 16:23:28,593 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 52 [2020-07-20 16:23:28,594 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 16:23:28,596 INFO L225 Difference]: With dead ends: 215 [2020-07-20 16:23:28,596 INFO L226 Difference]: Without dead ends: 126 [2020-07-20 16:23:28,599 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 51 GetRequests, 50 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 16:23:28,600 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 126 states. [2020-07-20 16:23:28,620 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 126 to 126. [2020-07-20 16:23:28,621 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 126 states. [2020-07-20 16:23:28,622 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 126 states to 126 states and 148 transitions. [2020-07-20 16:23:28,622 INFO L78 Accepts]: Start accepts. Automaton has 126 states and 148 transitions. Word has length 52 [2020-07-20 16:23:28,623 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 16:23:28,623 INFO L479 AbstractCegarLoop]: Abstraction has 126 states and 148 transitions. [2020-07-20 16:23:28,623 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-20 16:23:28,623 INFO L276 IsEmpty]: Start isEmpty. Operand 126 states and 148 transitions. [2020-07-20 16:23:28,625 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2020-07-20 16:23:28,625 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 16:23:28,626 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-20 16:23:28,838 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 16:23:28,839 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 16:23:28,839 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 16:23:28,839 INFO L82 PathProgramCache]: Analyzing trace with hash 1086390402, now seen corresponding path program 1 times [2020-07-20 16:23:28,840 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 16:23:28,840 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1663244172] [2020-07-20 16:23:28,841 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 16:23:29,178 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 4 check-sat command(s) [2020-07-20 16:23:29,178 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-20 16:23:29,184 INFO L263 TraceCheckSpWp]: Trace formula consists of 678 conjuncts, 2 conjunts are in the unsatisfiable core [2020-07-20 16:23:29,188 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 16:23:29,209 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 16:23:29,209 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-20 16:23:29,209 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1663244172] [2020-07-20 16:23:29,210 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 16:23:29,210 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-20 16:23:29,210 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [600283166] [2020-07-20 16:23:29,211 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-20 16:23:29,211 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 16:23:29,211 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-20 16:23:29,211 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-20 16:23:29,212 INFO L87 Difference]: Start difference. First operand 126 states and 148 transitions. Second operand 3 states. [2020-07-20 16:23:29,234 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 16:23:29,234 INFO L93 Difference]: Finished difference Result 224 states and 269 transitions. [2020-07-20 16:23:29,234 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-20 16:23:29,235 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 56 [2020-07-20 16:23:29,235 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 16:23:29,237 INFO L225 Difference]: With dead ends: 224 [2020-07-20 16:23:29,237 INFO L226 Difference]: Without dead ends: 126 [2020-07-20 16:23:29,238 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 55 GetRequests, 54 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 16:23:29,239 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 126 states. [2020-07-20 16:23:29,249 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 126 to 126. [2020-07-20 16:23:29,249 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 126 states. [2020-07-20 16:23:29,250 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 126 states to 126 states and 147 transitions. [2020-07-20 16:23:29,250 INFO L78 Accepts]: Start accepts. Automaton has 126 states and 147 transitions. Word has length 56 [2020-07-20 16:23:29,251 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 16:23:29,251 INFO L479 AbstractCegarLoop]: Abstraction has 126 states and 147 transitions. [2020-07-20 16:23:29,251 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-20 16:23:29,251 INFO L276 IsEmpty]: Start isEmpty. Operand 126 states and 147 transitions. [2020-07-20 16:23:29,255 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2020-07-20 16:23:29,256 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 16:23:29,256 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] [2020-07-20 16:23:29,469 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 16:23:29,470 INFO L427 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 16:23:29,471 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 16:23:29,471 INFO L82 PathProgramCache]: Analyzing trace with hash -848651131, now seen corresponding path program 1 times [2020-07-20 16:23:29,472 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 16:23:29,472 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [965691475] [2020-07-20 16:23:29,473 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 16:23:29,865 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 3 check-sat command(s) [2020-07-20 16:23:29,865 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-20 16:23:29,875 INFO L263 TraceCheckSpWp]: Trace formula consists of 676 conjuncts, 7 conjunts are in the unsatisfiable core [2020-07-20 16:23:29,879 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 16:23:29,923 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 16:23:29,923 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-20 16:23:29,923 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [965691475] [2020-07-20 16:23:29,924 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 16:23:29,924 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-07-20 16:23:29,924 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1060635310] [2020-07-20 16:23:29,925 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-07-20 16:23:29,925 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 16:23:29,925 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-07-20 16:23:29,926 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-07-20 16:23:29,926 INFO L87 Difference]: Start difference. First operand 126 states and 147 transitions. Second operand 6 states. [2020-07-20 16:23:30,529 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 16:23:30,529 INFO L93 Difference]: Finished difference Result 308 states and 376 transitions. [2020-07-20 16:23:30,530 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-07-20 16:23:30,530 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 69 [2020-07-20 16:23:30,531 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 16:23:30,533 INFO L225 Difference]: With dead ends: 308 [2020-07-20 16:23:30,533 INFO L226 Difference]: Without dead ends: 210 [2020-07-20 16:23:30,534 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 70 GetRequests, 65 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 16:23:30,535 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 210 states. [2020-07-20 16:23:30,554 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 210 to 195. [2020-07-20 16:23:30,555 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 195 states. [2020-07-20 16:23:30,556 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 195 states to 195 states and 222 transitions. [2020-07-20 16:23:30,556 INFO L78 Accepts]: Start accepts. Automaton has 195 states and 222 transitions. Word has length 69 [2020-07-20 16:23:30,556 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 16:23:30,557 INFO L479 AbstractCegarLoop]: Abstraction has 195 states and 222 transitions. [2020-07-20 16:23:30,557 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-07-20 16:23:30,557 INFO L276 IsEmpty]: Start isEmpty. Operand 195 states and 222 transitions. [2020-07-20 16:23:30,558 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2020-07-20 16:23:30,558 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 16:23:30,559 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] [2020-07-20 16:23:30,772 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 16:23:30,773 INFO L427 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 16:23:30,774 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 16:23:30,774 INFO L82 PathProgramCache]: Analyzing trace with hash -1442987939, now seen corresponding path program 1 times [2020-07-20 16:23:30,775 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 16:23:30,775 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [895534089] [2020-07-20 16:23:30,776 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 16:23:31,228 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 4 check-sat command(s) [2020-07-20 16:23:31,228 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-20 16:23:31,234 INFO L263 TraceCheckSpWp]: Trace formula consists of 738 conjuncts, 15 conjunts are in the unsatisfiable core [2020-07-20 16:23:31,239 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 16:23:31,259 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 16:23:31,259 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-20 16:23:31,260 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [895534089] [2020-07-20 16:23:31,260 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 16:23:31,260 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-20 16:23:31,260 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [229982886] [2020-07-20 16:23:31,261 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-20 16:23:31,261 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 16:23:31,261 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-20 16:23:31,262 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-20 16:23:31,262 INFO L87 Difference]: Start difference. First operand 195 states and 222 transitions. Second operand 3 states. [2020-07-20 16:23:31,298 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 16:23:31,299 INFO L93 Difference]: Finished difference Result 362 states and 432 transitions. [2020-07-20 16:23:31,299 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-20 16:23:31,299 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 83 [2020-07-20 16:23:31,300 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 16:23:31,305 INFO L225 Difference]: With dead ends: 362 [2020-07-20 16:23:31,305 INFO L226 Difference]: Without dead ends: 359 [2020-07-20 16:23:31,306 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 82 GetRequests, 81 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 16:23:31,307 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 359 states. [2020-07-20 16:23:31,337 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 359 to 359. [2020-07-20 16:23:31,338 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 359 states. [2020-07-20 16:23:31,340 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 359 states to 359 states and 428 transitions. [2020-07-20 16:23:31,340 INFO L78 Accepts]: Start accepts. Automaton has 359 states and 428 transitions. Word has length 83 [2020-07-20 16:23:31,341 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 16:23:31,341 INFO L479 AbstractCegarLoop]: Abstraction has 359 states and 428 transitions. [2020-07-20 16:23:31,341 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-20 16:23:31,341 INFO L276 IsEmpty]: Start isEmpty. Operand 359 states and 428 transitions. [2020-07-20 16:23:31,344 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 141 [2020-07-20 16:23:31,344 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 16:23:31,344 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-07-20 16:23:31,558 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 16:23:31,559 INFO L427 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 16:23:31,560 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 16:23:31,560 INFO L82 PathProgramCache]: Analyzing trace with hash 294097979, now seen corresponding path program 1 times [2020-07-20 16:23:31,561 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 16:23:31,561 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [881420753] [2020-07-20 16:23:31,562 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 16:23:31,881 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 3 check-sat command(s) [2020-07-20 16:23:31,881 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-20 16:23:31,885 INFO L263 TraceCheckSpWp]: Trace formula consists of 803 conjuncts, 23 conjunts are in the unsatisfiable core [2020-07-20 16:23:31,898 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 16:23:31,988 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 46 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2020-07-20 16:23:31,988 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-20 16:23:31,988 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [881420753] [2020-07-20 16:23:31,989 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 16:23:31,989 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-07-20 16:23:31,989 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [408686460] [2020-07-20 16:23:31,990 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-07-20 16:23:31,991 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 16:23:31,991 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-07-20 16:23:31,992 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2020-07-20 16:23:31,992 INFO L87 Difference]: Start difference. First operand 359 states and 428 transitions. Second operand 6 states. [2020-07-20 16:23:32,349 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 16:23:32,350 INFO L93 Difference]: Finished difference Result 954 states and 1174 transitions. [2020-07-20 16:23:32,350 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-07-20 16:23:32,350 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 140 [2020-07-20 16:23:32,352 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 16:23:32,358 INFO L225 Difference]: With dead ends: 954 [2020-07-20 16:23:32,358 INFO L226 Difference]: Without dead ends: 623 [2020-07-20 16:23:32,366 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 139 GetRequests, 135 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 16:23:32,367 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 623 states. [2020-07-20 16:23:32,428 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 623 to 513. [2020-07-20 16:23:32,428 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 513 states. [2020-07-20 16:23:32,433 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 513 states to 513 states and 604 transitions. [2020-07-20 16:23:32,434 INFO L78 Accepts]: Start accepts. Automaton has 513 states and 604 transitions. Word has length 140 [2020-07-20 16:23:32,434 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 16:23:32,434 INFO L479 AbstractCegarLoop]: Abstraction has 513 states and 604 transitions. [2020-07-20 16:23:32,434 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-07-20 16:23:32,435 INFO L276 IsEmpty]: Start isEmpty. Operand 513 states and 604 transitions. [2020-07-20 16:23:32,440 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 145 [2020-07-20 16:23:32,442 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 16:23:32,442 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-07-20 16:23:32,657 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 16:23:32,658 INFO L427 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 16:23:32,659 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 16:23:32,659 INFO L82 PathProgramCache]: Analyzing trace with hash 2003842647, now seen corresponding path program 1 times [2020-07-20 16:23:32,659 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 16:23:32,660 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [267817902] [2020-07-20 16:23:32,660 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 16:23:32,979 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 3 check-sat command(s) [2020-07-20 16:23:32,979 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-20 16:23:32,983 INFO L263 TraceCheckSpWp]: Trace formula consists of 811 conjuncts, 11 conjunts are in the unsatisfiable core [2020-07-20 16:23:32,988 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 16:23:33,069 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 52 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-07-20 16:23:33,069 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-20 16:23:33,069 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [267817902] [2020-07-20 16:23:33,070 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 16:23:33,070 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-07-20 16:23:33,070 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1039127628] [2020-07-20 16:23:33,071 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-07-20 16:23:33,072 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 16:23:33,072 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-07-20 16:23:33,072 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2020-07-20 16:23:33,072 INFO L87 Difference]: Start difference. First operand 513 states and 604 transitions. Second operand 6 states. [2020-07-20 16:23:33,405 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 16:23:33,405 INFO L93 Difference]: Finished difference Result 919 states and 1086 transitions. [2020-07-20 16:23:33,406 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-07-20 16:23:33,406 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 144 [2020-07-20 16:23:33,407 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 16:23:33,412 INFO L225 Difference]: With dead ends: 919 [2020-07-20 16:23:33,412 INFO L226 Difference]: Without dead ends: 434 [2020-07-20 16:23:33,415 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 143 GetRequests, 139 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 16:23:33,417 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 434 states. [2020-07-20 16:23:33,438 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 434 to 424. [2020-07-20 16:23:33,439 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 424 states. [2020-07-20 16:23:33,441 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 424 states to 424 states and 489 transitions. [2020-07-20 16:23:33,442 INFO L78 Accepts]: Start accepts. Automaton has 424 states and 489 transitions. Word has length 144 [2020-07-20 16:23:33,442 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 16:23:33,442 INFO L479 AbstractCegarLoop]: Abstraction has 424 states and 489 transitions. [2020-07-20 16:23:33,442 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-07-20 16:23:33,442 INFO L276 IsEmpty]: Start isEmpty. Operand 424 states and 489 transitions. [2020-07-20 16:23:33,444 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 162 [2020-07-20 16:23:33,445 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 16:23:33,445 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-07-20 16:23:33,658 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 16:23:33,659 INFO L427 AbstractCegarLoop]: === Iteration 8 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 16:23:33,660 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 16:23:33,660 INFO L82 PathProgramCache]: Analyzing trace with hash -1395765051, now seen corresponding path program 1 times [2020-07-20 16:23:33,660 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 16:23:33,661 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [637913507] [2020-07-20 16:23:33,661 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 16:23:33,981 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 3 check-sat command(s) [2020-07-20 16:23:33,982 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-20 16:23:33,987 INFO L263 TraceCheckSpWp]: Trace formula consists of 848 conjuncts, 9 conjunts are in the unsatisfiable core [2020-07-20 16:23:33,992 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 16:23:34,103 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 30 proven. 0 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2020-07-20 16:23:34,103 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-20 16:23:34,104 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [637913507] [2020-07-20 16:23:34,104 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 16:23:34,104 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-07-20 16:23:34,105 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1692664524] [2020-07-20 16:23:34,105 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-07-20 16:23:34,106 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 16:23:34,106 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-07-20 16:23:34,106 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2020-07-20 16:23:34,106 INFO L87 Difference]: Start difference. First operand 424 states and 489 transitions. Second operand 8 states. [2020-07-20 16:23:34,556 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 16:23:34,556 INFO L93 Difference]: Finished difference Result 803 states and 937 transitions. [2020-07-20 16:23:34,557 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-07-20 16:23:34,557 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 161 [2020-07-20 16:23:34,557 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 16:23:34,563 INFO L225 Difference]: With dead ends: 803 [2020-07-20 16:23:34,563 INFO L226 Difference]: Without dead ends: 407 [2020-07-20 16:23:34,564 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 160 GetRequests, 153 SyntacticMatches, 1 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2020-07-20 16:23:34,565 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 407 states. [2020-07-20 16:23:34,583 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 407 to 403. [2020-07-20 16:23:34,583 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 403 states. [2020-07-20 16:23:34,585 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 403 states to 403 states and 460 transitions. [2020-07-20 16:23:34,586 INFO L78 Accepts]: Start accepts. Automaton has 403 states and 460 transitions. Word has length 161 [2020-07-20 16:23:34,587 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 16:23:34,588 INFO L479 AbstractCegarLoop]: Abstraction has 403 states and 460 transitions. [2020-07-20 16:23:34,588 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-07-20 16:23:34,588 INFO L276 IsEmpty]: Start isEmpty. Operand 403 states and 460 transitions. [2020-07-20 16:23:34,591 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 213 [2020-07-20 16:23:34,591 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 16:23:34,592 INFO L422 BasicCegarLoop]: trace histogram [6, 6, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-20 16:23:34,806 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 16:23:34,807 INFO L427 AbstractCegarLoop]: === Iteration 9 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 16:23:34,808 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 16:23:34,808 INFO L82 PathProgramCache]: Analyzing trace with hash 1369319683, now seen corresponding path program 1 times [2020-07-20 16:23:34,808 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 16:23:34,809 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [187493743] [2020-07-20 16:23:34,809 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 16:23:35,059 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 2 check-sat command(s) [2020-07-20 16:23:35,060 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-20 16:23:35,064 INFO L263 TraceCheckSpWp]: Trace formula consists of 847 conjuncts, 11 conjunts are in the unsatisfiable core [2020-07-20 16:23:35,069 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 16:23:35,115 INFO L134 CoverageAnalysis]: Checked inductivity of 157 backedges. 32 proven. 0 refuted. 0 times theorem prover too weak. 125 trivial. 0 not checked. [2020-07-20 16:23:35,115 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-20 16:23:35,115 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [187493743] [2020-07-20 16:23:35,116 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 16:23:35,116 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-07-20 16:23:35,116 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1578353511] [2020-07-20 16:23:35,116 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-07-20 16:23:35,116 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 16:23:35,117 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-07-20 16:23:35,117 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2020-07-20 16:23:35,117 INFO L87 Difference]: Start difference. First operand 403 states and 460 transitions. Second operand 6 states. [2020-07-20 16:23:35,166 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 16:23:35,166 INFO L93 Difference]: Finished difference Result 792 states and 917 transitions. [2020-07-20 16:23:35,168 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-07-20 16:23:35,168 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 212 [2020-07-20 16:23:35,168 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 16:23:35,171 INFO L225 Difference]: With dead ends: 792 [2020-07-20 16:23:35,171 INFO L226 Difference]: Without dead ends: 417 [2020-07-20 16:23:35,172 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 212 GetRequests, 207 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 16:23:35,173 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 417 states. [2020-07-20 16:23:35,210 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 417 to 413. [2020-07-20 16:23:35,211 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 413 states. [2020-07-20 16:23:35,213 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 413 states to 413 states and 470 transitions. [2020-07-20 16:23:35,213 INFO L78 Accepts]: Start accepts. Automaton has 413 states and 470 transitions. Word has length 212 [2020-07-20 16:23:35,213 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 16:23:35,213 INFO L479 AbstractCegarLoop]: Abstraction has 413 states and 470 transitions. [2020-07-20 16:23:35,213 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-07-20 16:23:35,214 INFO L276 IsEmpty]: Start isEmpty. Operand 413 states and 470 transitions. [2020-07-20 16:23:35,217 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 213 [2020-07-20 16:23:35,217 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 16:23:35,217 INFO L422 BasicCegarLoop]: trace histogram [6, 6, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-20 16:23:35,432 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 16:23:35,433 INFO L427 AbstractCegarLoop]: === Iteration 10 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 16:23:35,433 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 16:23:35,433 INFO L82 PathProgramCache]: Analyzing trace with hash 2036701573, now seen corresponding path program 1 times [2020-07-20 16:23:35,434 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 16:23:35,434 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1357832057] [2020-07-20 16:23:35,434 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 16:23:35,582 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 1 check-sat command(s) [2020-07-20 16:23:35,582 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-20 16:23:35,583 INFO L263 TraceCheckSpWp]: Trace formula consists of 448 conjuncts, 5 conjunts are in the unsatisfiable core [2020-07-20 16:23:35,588 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 16:23:35,630 INFO L134 CoverageAnalysis]: Checked inductivity of 157 backedges. 32 proven. 0 refuted. 0 times theorem prover too weak. 125 trivial. 0 not checked. [2020-07-20 16:23:35,630 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-20 16:23:35,630 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1357832057] [2020-07-20 16:23:35,631 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 16:23:35,631 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-07-20 16:23:35,631 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1716733255] [2020-07-20 16:23:35,632 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-07-20 16:23:35,632 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 16:23:35,632 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-07-20 16:23:35,632 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-07-20 16:23:35,632 INFO L87 Difference]: Start difference. First operand 413 states and 470 transitions. Second operand 5 states. [2020-07-20 16:23:35,665 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 16:23:35,666 INFO L93 Difference]: Finished difference Result 812 states and 939 transitions. [2020-07-20 16:23:35,666 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-07-20 16:23:35,666 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 212 [2020-07-20 16:23:35,666 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 16:23:35,669 INFO L225 Difference]: With dead ends: 812 [2020-07-20 16:23:35,669 INFO L226 Difference]: Without dead ends: 427 [2020-07-20 16:23:35,670 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 211 GetRequests, 208 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 16:23:35,671 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 427 states. [2020-07-20 16:23:35,689 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 427 to 421. [2020-07-20 16:23:35,689 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 421 states. [2020-07-20 16:23:35,691 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 421 states to 421 states and 478 transitions. [2020-07-20 16:23:35,691 INFO L78 Accepts]: Start accepts. Automaton has 421 states and 478 transitions. Word has length 212 [2020-07-20 16:23:35,692 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 16:23:35,692 INFO L479 AbstractCegarLoop]: Abstraction has 421 states and 478 transitions. [2020-07-20 16:23:35,692 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-07-20 16:23:35,692 INFO L276 IsEmpty]: Start isEmpty. Operand 421 states and 478 transitions. [2020-07-20 16:23:35,695 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 213 [2020-07-20 16:23:35,695 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 16:23:35,696 INFO L422 BasicCegarLoop]: trace histogram [6, 6, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-20 16:23:35,907 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 16:23:35,908 INFO L427 AbstractCegarLoop]: === Iteration 11 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 16:23:35,909 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 16:23:35,909 INFO L82 PathProgramCache]: Analyzing trace with hash -2008987322, now seen corresponding path program 1 times [2020-07-20 16:23:35,910 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 16:23:35,910 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1214882068] [2020-07-20 16:23:35,911 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 16:23:36,171 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 2 check-sat command(s) [2020-07-20 16:23:36,172 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-20 16:23:36,176 INFO L263 TraceCheckSpWp]: Trace formula consists of 848 conjuncts, 10 conjunts are in the unsatisfiable core [2020-07-20 16:23:36,182 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 16:23:36,293 INFO L134 CoverageAnalysis]: Checked inductivity of 157 backedges. 88 proven. 0 refuted. 0 times theorem prover too weak. 69 trivial. 0 not checked. [2020-07-20 16:23:36,294 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-20 16:23:36,294 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1214882068] [2020-07-20 16:23:36,294 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 16:23:36,294 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-07-20 16:23:36,294 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1500294569] [2020-07-20 16:23:36,295 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-07-20 16:23:36,295 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 16:23:36,295 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-07-20 16:23:36,296 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-07-20 16:23:36,296 INFO L87 Difference]: Start difference. First operand 421 states and 478 transitions. Second operand 6 states. [2020-07-20 16:23:36,951 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 16:23:36,951 INFO L93 Difference]: Finished difference Result 1300 states and 1605 transitions. [2020-07-20 16:23:36,952 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-07-20 16:23:36,952 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 212 [2020-07-20 16:23:36,952 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 16:23:36,956 INFO L225 Difference]: With dead ends: 1300 [2020-07-20 16:23:36,956 INFO L226 Difference]: Without dead ends: 907 [2020-07-20 16:23:36,958 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 213 GetRequests, 208 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 16:23:36,959 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 907 states. [2020-07-20 16:23:37,001 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 907 to 868. [2020-07-20 16:23:37,002 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 868 states. [2020-07-20 16:23:37,005 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 868 states to 868 states and 1037 transitions. [2020-07-20 16:23:37,006 INFO L78 Accepts]: Start accepts. Automaton has 868 states and 1037 transitions. Word has length 212 [2020-07-20 16:23:37,006 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 16:23:37,006 INFO L479 AbstractCegarLoop]: Abstraction has 868 states and 1037 transitions. [2020-07-20 16:23:37,006 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-07-20 16:23:37,007 INFO L276 IsEmpty]: Start isEmpty. Operand 868 states and 1037 transitions. [2020-07-20 16:23:37,011 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 217 [2020-07-20 16:23:37,011 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 16:23:37,011 INFO L422 BasicCegarLoop]: trace histogram [6, 6, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-07-20 16:23:37,225 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 16:23:37,226 INFO L427 AbstractCegarLoop]: === Iteration 12 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 16:23:37,226 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 16:23:37,227 INFO L82 PathProgramCache]: Analyzing trace with hash 1338633344, now seen corresponding path program 1 times [2020-07-20 16:23:37,227 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 16:23:37,227 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1380315104] [2020-07-20 16:23:37,228 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 16:23:37,571 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 3 check-sat command(s) [2020-07-20 16:23:37,571 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-20 16:23:37,575 INFO L263 TraceCheckSpWp]: Trace formula consists of 957 conjuncts, 9 conjunts are in the unsatisfiable core [2020-07-20 16:23:37,579 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 16:23:37,668 INFO L134 CoverageAnalysis]: Checked inductivity of 157 backedges. 117 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2020-07-20 16:23:37,668 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-20 16:23:37,669 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1380315104] [2020-07-20 16:23:37,669 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 16:23:37,669 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-07-20 16:23:37,669 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2067373193] [2020-07-20 16:23:37,670 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-07-20 16:23:37,670 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 16:23:37,670 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-07-20 16:23:37,670 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2020-07-20 16:23:37,670 INFO L87 Difference]: Start difference. First operand 868 states and 1037 transitions. Second operand 8 states. [2020-07-20 16:23:38,100 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 16:23:38,100 INFO L93 Difference]: Finished difference Result 1478 states and 1767 transitions. [2020-07-20 16:23:38,101 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-07-20 16:23:38,102 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 216 [2020-07-20 16:23:38,105 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 16:23:38,106 INFO L225 Difference]: With dead ends: 1478 [2020-07-20 16:23:38,106 INFO L226 Difference]: Without dead ends: 0 [2020-07-20 16:23:38,114 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 215 GetRequests, 208 SyntacticMatches, 1 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2020-07-20 16:23:38,114 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-07-20 16:23:38,115 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-07-20 16:23:38,115 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-07-20 16:23:38,115 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-07-20 16:23:38,116 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 216 [2020-07-20 16:23:38,116 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 16:23:38,116 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-07-20 16:23:38,116 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-07-20 16:23:38,116 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-07-20 16:23:38,117 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-20 16:23:38,325 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 16:23:38,329 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-07-20 16:23:39,651 WARN L193 SmtUtils]: Spent 138.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 20 [2020-07-20 16:23:40,292 WARN L193 SmtUtils]: Spent 540.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 42 [2020-07-20 16:23:40,522 WARN L193 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 43 DAG size of output: 30 [2020-07-20 16:23:40,885 WARN L193 SmtUtils]: Spent 148.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 23 [2020-07-20 16:23:41,220 WARN L193 SmtUtils]: Spent 333.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 40 [2020-07-20 16:23:41,363 WARN L193 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 22 [2020-07-20 16:23:41,630 WARN L193 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 43 DAG size of output: 27 [2020-07-20 16:23:41,880 WARN L193 SmtUtils]: Spent 210.00 ms on a formula simplification. DAG size of input: 47 DAG size of output: 26 [2020-07-20 16:23:42,111 WARN L193 SmtUtils]: Spent 228.00 ms on a formula simplification. DAG size of input: 47 DAG size of output: 28 [2020-07-20 16:23:42,473 WARN L193 SmtUtils]: Spent 358.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 37 [2020-07-20 16:23:42,594 WARN L193 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 47 DAG size of output: 23 [2020-07-20 16:23:42,708 WARN L193 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 23 [2020-07-20 16:23:42,941 WARN L193 SmtUtils]: Spent 231.00 ms on a formula simplification. DAG size of input: 44 DAG size of output: 28 [2020-07-20 16:23:43,391 WARN L193 SmtUtils]: Spent 446.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 36 [2020-07-20 16:23:44,082 WARN L193 SmtUtils]: Spent 138.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 24 [2020-07-20 16:23:44,312 WARN L193 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 27 [2020-07-20 16:23:44,631 INFO L268 CegarLoopResult]: For program point L123(lines 123 127) no Hoare annotation was computed. [2020-07-20 16:23:44,631 INFO L268 CegarLoopResult]: For program point L123-1(lines 123 127) no Hoare annotation was computed. [2020-07-20 16:23:44,631 INFO L268 CegarLoopResult]: For program point L118(line 118) no Hoare annotation was computed. [2020-07-20 16:23:44,631 INFO L268 CegarLoopResult]: For program point L117-2(lines 117 138) no Hoare annotation was computed. [2020-07-20 16:23:44,632 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeFINAL(lines 92 147) no Hoare annotation was computed. [2020-07-20 16:23:44,632 INFO L268 CegarLoopResult]: For program point L139(lines 116 140) no Hoare annotation was computed. [2020-07-20 16:23:44,632 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeEXIT(lines 92 147) no Hoare annotation was computed. [2020-07-20 16:23:44,632 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeENTRY(lines 92 147) no Hoare annotation was computed. [2020-07-20 16:23:44,632 INFO L268 CegarLoopResult]: For program point L193(line 193) no Hoare annotation was computed. [2020-07-20 16:23:44,632 INFO L268 CegarLoopResult]: For program point L193-1(line 193) no Hoare annotation was computed. [2020-07-20 16:23:44,632 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetFINAL(lines 148 207) no Hoare annotation was computed. [2020-07-20 16:23:44,632 INFO L268 CegarLoopResult]: For program point L180(lines 180 184) no Hoare annotation was computed. [2020-07-20 16:23:44,633 INFO L268 CegarLoopResult]: For program point L180-1(lines 180 184) no Hoare annotation was computed. [2020-07-20 16:23:44,633 INFO L268 CegarLoopResult]: For program point L175(line 175) no Hoare annotation was computed. [2020-07-20 16:23:44,633 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetENTRY(lines 148 207) no Hoare annotation was computed. [2020-07-20 16:23:44,633 INFO L268 CegarLoopResult]: For program point L174-2(lines 174 199) no Hoare annotation was computed. [2020-07-20 16:23:44,633 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetEXIT(lines 148 207) no Hoare annotation was computed. [2020-07-20 16:23:44,633 INFO L268 CegarLoopResult]: For program point L200(lines 173 201) no Hoare annotation was computed. [2020-07-20 16:23:44,633 INFO L271 CegarLoopResult]: At program point select_helpersFINAL(lines 902 908) the Hoare annotation is: true [2020-07-20 16:23:44,633 INFO L268 CegarLoopResult]: For program point select_helpersEXIT(lines 902 908) no Hoare annotation was computed. [2020-07-20 16:23:44,633 INFO L268 CegarLoopResult]: For program point valid_productEXIT(lines 909 917) no Hoare annotation was computed. [2020-07-20 16:23:44,634 INFO L271 CegarLoopResult]: At program point valid_productENTRY(lines 909 917) the Hoare annotation is: true [2020-07-20 16:23:44,634 INFO L268 CegarLoopResult]: For program point valid_productFINAL(lines 909 917) no Hoare annotation was computed. [2020-07-20 16:23:44,634 INFO L264 CegarLoopResult]: At program point mainENTRY(lines 497 519) the Hoare annotation is: (or (not (<= |old(~waterLevel~0)| 1)) (not (<= 1 ~systemActive~0)) (not (= 0 |old(~methAndRunningLastTime~0)|)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= 0 ~methaneLevelCritical~0) (= 0 ~methAndRunningLastTime~0) (<= ~waterLevel~0 |old(~waterLevel~0)|) (= 0 ~pumpRunning~0))) [2020-07-20 16:23:44,634 INFO L264 CegarLoopResult]: At program point L509(line 509) the Hoare annotation is: (or (not (<= |old(~waterLevel~0)| 1)) (not (<= 1 ~systemActive~0)) (not (= 0 |old(~methAndRunningLastTime~0)|)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= 0 ~methaneLevelCritical~0) (= 0 ~methAndRunningLastTime~0) (<= ~waterLevel~0 |old(~waterLevel~0)|) (= 0 ~pumpRunning~0))) [2020-07-20 16:23:44,634 INFO L264 CegarLoopResult]: At program point L509-1(line 509) the Hoare annotation is: (or (not (<= |old(~waterLevel~0)| 1)) (not (<= 1 ~systemActive~0)) (not (= 0 |old(~methAndRunningLastTime~0)|)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= 0 ~methaneLevelCritical~0) (= 0 ~methAndRunningLastTime~0) (<= ~waterLevel~0 |old(~waterLevel~0)|) (= 0 ~pumpRunning~0))) [2020-07-20 16:23:44,634 INFO L268 CegarLoopResult]: For program point L507(lines 507 514) no Hoare annotation was computed. [2020-07-20 16:23:44,634 INFO L268 CegarLoopResult]: For program point L507-1(lines 507 514) no Hoare annotation was computed. [2020-07-20 16:23:44,635 INFO L268 CegarLoopResult]: For program point L505(line 505) no Hoare annotation was computed. [2020-07-20 16:23:44,635 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 497 519) no Hoare annotation was computed. [2020-07-20 16:23:44,635 INFO L264 CegarLoopResult]: At program point L504(line 504) the Hoare annotation is: (or (not (<= |old(~waterLevel~0)| 1)) (not (<= 1 ~systemActive~0)) (not (= 0 |old(~methAndRunningLastTime~0)|)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= 0 ~methaneLevelCritical~0) (= 0 ~methAndRunningLastTime~0) (<= ~waterLevel~0 |old(~waterLevel~0)|) (= 0 ~pumpRunning~0))) [2020-07-20 16:23:44,635 INFO L264 CegarLoopResult]: At program point L503(line 503) the Hoare annotation is: (or (not (<= |old(~waterLevel~0)| 1)) (not (<= 1 ~systemActive~0)) (not (= 0 |old(~methAndRunningLastTime~0)|)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= 0 ~methaneLevelCritical~0) (= 0 ~methAndRunningLastTime~0) (<= ~waterLevel~0 |old(~waterLevel~0)|) (= 0 ~pumpRunning~0))) [2020-07-20 16:23:44,635 INFO L264 CegarLoopResult]: At program point L503-1(line 503) the Hoare annotation is: (or (not (<= |old(~waterLevel~0)| 1)) (not (<= 1 ~systemActive~0)) (not (= 0 |old(~methAndRunningLastTime~0)|)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= 0 ~methaneLevelCritical~0) (= 0 ~methAndRunningLastTime~0) (<= ~waterLevel~0 |old(~waterLevel~0)|) (= 0 ~pumpRunning~0))) [2020-07-20 16:23:44,635 INFO L268 CegarLoopResult]: For program point mainFINAL(lines 497 519) no Hoare annotation was computed. [2020-07-20 16:23:44,635 INFO L268 CegarLoopResult]: For program point Specification2EXIT(lines 450 473) no Hoare annotation was computed. [2020-07-20 16:23:44,636 INFO L268 CegarLoopResult]: For program point Specification2ENTRY(lines 450 473) no Hoare annotation was computed. [2020-07-20 16:23:44,636 INFO L268 CegarLoopResult]: For program point Specification2FINAL(lines 450 473) no Hoare annotation was computed. [2020-07-20 16:23:44,636 INFO L268 CegarLoopResult]: For program point L468(line 468) no Hoare annotation was computed. [2020-07-20 16:23:44,636 INFO L268 CegarLoopResult]: For program point L467(line 467) no Hoare annotation was computed. [2020-07-20 16:23:44,636 INFO L268 CegarLoopResult]: For program point L466(line 466) no Hoare annotation was computed. [2020-07-20 16:23:44,636 INFO L268 CegarLoopResult]: For program point L465(line 465) no Hoare annotation was computed. [2020-07-20 16:23:44,636 INFO L268 CegarLoopResult]: For program point L464(line 464) no Hoare annotation was computed. [2020-07-20 16:23:44,636 INFO L268 CegarLoopResult]: For program point L463(line 463) no Hoare annotation was computed. [2020-07-20 16:23:44,637 INFO L268 CegarLoopResult]: For program point L462(line 462) no Hoare annotation was computed. [2020-07-20 16:23:44,637 INFO L268 CegarLoopResult]: For program point L461(line 461) no Hoare annotation was computed. [2020-07-20 16:23:44,637 INFO L268 CegarLoopResult]: For program point L460(line 460) no Hoare annotation was computed. [2020-07-20 16:23:44,637 INFO L268 CegarLoopResult]: For program point L459(line 459) no Hoare annotation was computed. [2020-07-20 16:23:44,637 INFO L268 CegarLoopResult]: For program point L458(line 458) no Hoare annotation was computed. [2020-07-20 16:23:44,637 INFO L268 CegarLoopResult]: For program point L457(line 457) no Hoare annotation was computed. [2020-07-20 16:23:44,637 INFO L268 CegarLoopResult]: For program point L456(line 456) no Hoare annotation was computed. [2020-07-20 16:23:44,637 INFO L268 CegarLoopResult]: For program point L455(line 455) no Hoare annotation was computed. [2020-07-20 16:23:44,637 INFO L264 CegarLoopResult]: At program point L574(line 574) the Hoare annotation is: (let ((.cse1 (and (<= 2 ~waterLevel~0) (= 0 ~pumpRunning~0))) (.cse3 (= 0 |old(~pumpRunning~0)|)) (.cse0 (not (<= 1 ~systemActive~0))) (.cse2 (not (= 0 ~methaneLevelCritical~0)))) (and (or .cse0 .cse1 .cse2) (or (not (= 0 ~methAndRunningLastTime~0)) .cse0 .cse1 (not (<= 1 ~methaneLevelCritical~0)) (not .cse3)) (or .cse3 .cse0 .cse2))) [2020-07-20 16:23:44,637 INFO L268 CegarLoopResult]: For program point L572(lines 572 580) no Hoare annotation was computed. [2020-07-20 16:23:44,638 INFO L264 CegarLoopResult]: At program point L570(line 570) the Hoare annotation is: (let ((.cse2 (= 0 ~pumpRunning~0)) (.cse1 (= 0 |old(~pumpRunning~0)|)) (.cse0 (not (<= 1 ~systemActive~0))) (.cse3 (not (= 0 ~methaneLevelCritical~0)))) (and (or (not (= 0 ~methAndRunningLastTime~0)) .cse0 (not (<= 1 ~methaneLevelCritical~0)) (not .cse1) .cse2) (or .cse0 .cse3 .cse2) (or .cse1 .cse0 .cse3))) [2020-07-20 16:23:44,638 INFO L268 CegarLoopResult]: For program point L570-1(line 570) no Hoare annotation was computed. [2020-07-20 16:23:44,638 INFO L268 CegarLoopResult]: For program point L568(lines 568 585) no Hoare annotation was computed. [2020-07-20 16:23:44,638 INFO L264 CegarLoopResult]: At program point processEnvironment__wrappee__methaneQueryENTRY(lines 564 588) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~systemActive~0)))) (and (or .cse0 (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (= 0 ~methaneLevelCritical~0))) (or (not (= 0 ~methAndRunningLastTime~0)) .cse0 (not (<= 1 ~methaneLevelCritical~0)) (not (= 0 |old(~pumpRunning~0)|)) (= 0 ~pumpRunning~0)))) [2020-07-20 16:23:44,638 INFO L268 CegarLoopResult]: For program point processEnvironment__wrappee__methaneQueryEXIT(lines 564 588) no Hoare annotation was computed. [2020-07-20 16:23:44,638 INFO L264 CegarLoopResult]: At program point L583(line 583) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~systemActive~0))) (.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (not (= 0 ~methaneLevelCritical~0)))) (and (or (not (= 0 ~methAndRunningLastTime~0)) .cse0 (not (<= 1 ~methaneLevelCritical~0)) .cse1) (or .cse0 (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse2) (or .cse0 .cse1 .cse2))) [2020-07-20 16:23:44,638 INFO L268 CegarLoopResult]: For program point L583-1(lines 564 588) no Hoare annotation was computed. [2020-07-20 16:23:44,638 INFO L264 CegarLoopResult]: At program point L578(line 578) the Hoare annotation is: (let ((.cse2 (and (= 0 ~pumpRunning~0) (= 0 processEnvironment__wrappee__methaneQuery_~tmp~4))) (.cse3 (= 0 |old(~pumpRunning~0)|)) (.cse0 (not (<= 1 ~systemActive~0))) (.cse1 (not (= 0 ~methaneLevelCritical~0)))) (and (or .cse0 .cse1 .cse2) (or (not (= 0 ~methAndRunningLastTime~0)) .cse0 (not (<= 1 ~methaneLevelCritical~0)) (not .cse3) .cse2) (or .cse3 .cse0 .cse1))) [2020-07-20 16:23:44,639 INFO L268 CegarLoopResult]: For program point isPumpRunningEXIT(lines 659 667) no Hoare annotation was computed. [2020-07-20 16:23:44,639 INFO L271 CegarLoopResult]: At program point isPumpRunningENTRY(lines 659 667) the Hoare annotation is: true [2020-07-20 16:23:44,639 INFO L268 CegarLoopResult]: For program point isPumpRunningFINAL(lines 659 667) no Hoare annotation was computed. [2020-07-20 16:23:44,639 INFO L268 CegarLoopResult]: For program point L675-2(lines 675 683) no Hoare annotation was computed. [2020-07-20 16:23:44,639 INFO L268 CegarLoopResult]: For program point L698(line 698) no Hoare annotation was computed. [2020-07-20 16:23:44,639 INFO L268 CegarLoopResult]: For program point L698-1(line 698) no Hoare annotation was computed. [2020-07-20 16:23:44,639 INFO L268 CegarLoopResult]: For program point L687(lines 687 695) no Hoare annotation was computed. [2020-07-20 16:23:44,639 INFO L268 CegarLoopResult]: For program point printPumpFINAL(lines 668 703) no Hoare annotation was computed. [2020-07-20 16:23:44,640 INFO L268 CegarLoopResult]: For program point L687-2(lines 687 695) no Hoare annotation was computed. [2020-07-20 16:23:44,640 INFO L268 CegarLoopResult]: For program point printPumpENTRY(lines 668 703) no Hoare annotation was computed. [2020-07-20 16:23:44,640 INFO L268 CegarLoopResult]: For program point L675(lines 675 683) no Hoare annotation was computed. [2020-07-20 16:23:44,640 INFO L268 CegarLoopResult]: For program point printPumpEXIT(lines 668 703) no Hoare annotation was computed. [2020-07-20 16:23:44,640 INFO L268 CegarLoopResult]: For program point select_featuresEXIT(lines 895 901) no Hoare annotation was computed. [2020-07-20 16:23:44,640 INFO L271 CegarLoopResult]: At program point select_featuresFINAL(lines 895 901) the Hoare annotation is: true [2020-07-20 16:23:44,640 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setENTRY(lines 46 91) no Hoare annotation was computed. [2020-07-20 16:23:44,640 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setEXIT(lines 46 91) no Hoare annotation was computed. [2020-07-20 16:23:44,640 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setFINAL(lines 46 91) no Hoare annotation was computed. [2020-07-20 16:23:44,641 INFO L268 CegarLoopResult]: For program point L379(lines 379 386) no Hoare annotation was computed. [2020-07-20 16:23:44,641 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeFINAL(lines 359 404) no Hoare annotation was computed. [2020-07-20 16:23:44,641 INFO L268 CegarLoopResult]: For program point L373(lines 373 393) no Hoare annotation was computed. [2020-07-20 16:23:44,641 INFO L268 CegarLoopResult]: For program point L373-1(lines 373 393) no Hoare annotation was computed. [2020-07-20 16:23:44,641 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeENTRY(lines 359 404) no Hoare annotation was computed. [2020-07-20 16:23:44,641 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeEXIT(lines 359 404) no Hoare annotation was computed. [2020-07-20 16:23:44,641 INFO L264 CegarLoopResult]: At program point runTestENTRY(lines 483 493) the Hoare annotation is: (or (not (<= |old(~waterLevel~0)| 1)) (not (<= 1 ~systemActive~0)) (not (= 0 |old(~methAndRunningLastTime~0)|)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= 0 ~methaneLevelCritical~0) (= 0 ~methAndRunningLastTime~0) (<= ~waterLevel~0 |old(~waterLevel~0)|) (= 0 ~pumpRunning~0))) [2020-07-20 16:23:44,641 INFO L268 CegarLoopResult]: For program point runTestEXIT(lines 483 493) no Hoare annotation was computed. [2020-07-20 16:23:44,642 INFO L264 CegarLoopResult]: At program point L488(line 488) the Hoare annotation is: (or (not (<= |old(~waterLevel~0)| 1)) (not (<= 1 ~systemActive~0)) (not (= 0 |old(~methAndRunningLastTime~0)|)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= 0 ~methaneLevelCritical~0) (= 0 ~methAndRunningLastTime~0) (<= ~waterLevel~0 |old(~waterLevel~0)|) (= 0 ~pumpRunning~0))) [2020-07-20 16:23:44,642 INFO L268 CegarLoopResult]: For program point runTestFINAL(lines 483 493) no Hoare annotation was computed. [2020-07-20 16:23:44,642 INFO L271 CegarLoopResult]: At program point isMethaneAlarmENTRY(lines 648 658) the Hoare annotation is: true [2020-07-20 16:23:44,642 INFO L271 CegarLoopResult]: At program point L653(line 653) the Hoare annotation is: true [2020-07-20 16:23:44,642 INFO L268 CegarLoopResult]: For program point L653-1(line 653) no Hoare annotation was computed. [2020-07-20 16:23:44,642 INFO L268 CegarLoopResult]: For program point isMethaneAlarmEXIT(lines 648 658) no Hoare annotation was computed. [2020-07-20 16:23:44,642 INFO L268 CegarLoopResult]: For program point isMethaneAlarmFINAL(lines 648 658) no Hoare annotation was computed. [2020-07-20 16:23:44,643 INFO L264 CegarLoopResult]: At program point deactivatePumpENTRY(lines 640 647) the Hoare annotation is: (let ((.cse0 (= 0 |old(~pumpRunning~0)|)) (.cse1 (not (<= 1 ~systemActive~0))) (.cse2 (= ~pumpRunning~0 |old(~pumpRunning~0)|))) (and (or .cse0 (not (= 0 ~methAndRunningLastTime~0)) .cse1 (not (<= 1 ~methaneLevelCritical~0)) .cse2) (or .cse0 .cse1 .cse2 (not (= 0 ~methaneLevelCritical~0))))) [2020-07-20 16:23:44,643 INFO L268 CegarLoopResult]: For program point deactivatePumpEXIT(lines 640 647) no Hoare annotation was computed. [2020-07-20 16:23:44,643 INFO L268 CegarLoopResult]: For program point deactivatePumpFINAL(lines 640 647) no Hoare annotation was computed. [2020-07-20 16:23:44,643 INFO L268 CegarLoopResult]: For program point L873(lines 873 879) no Hoare annotation was computed. [2020-07-20 16:23:44,643 INFO L268 CegarLoopResult]: For program point isHighWaterSensorDryEXIT(lines 869 882) no Hoare annotation was computed. [2020-07-20 16:23:44,643 INFO L271 CegarLoopResult]: At program point isHighWaterSensorDryENTRY(lines 869 882) the Hoare annotation is: true [2020-07-20 16:23:44,643 INFO L268 CegarLoopResult]: For program point isHighWaterSensorDryFINAL(lines 869 882) no Hoare annotation was computed. [2020-07-20 16:23:44,643 INFO L264 CegarLoopResult]: At program point L609(line 609) the Hoare annotation is: (let ((.cse1 (not (= 0 ~methAndRunningLastTime~0))) (.cse3 (not (<= 1 ~methaneLevelCritical~0))) (.cse5 (= 0 ~pumpRunning~0)) (.cse0 (= 0 |old(~pumpRunning~0)|)) (.cse2 (not (<= 1 ~systemActive~0))) (.cse4 (not (= 0 ~methaneLevelCritical~0)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse2 .cse4 .cse5) (or .cse1 .cse2 .cse3 .cse5) (or .cse0 .cse2 .cse4))) [2020-07-20 16:23:44,644 INFO L268 CegarLoopResult]: For program point L609-1(lines 590 614) no Hoare annotation was computed. [2020-07-20 16:23:44,644 INFO L264 CegarLoopResult]: At program point L604(line 604) the Hoare annotation is: (let ((.cse1 (not (= 0 ~methaneLevelCritical~0))) (.cse0 (not (<= 1 ~systemActive~0)))) (and (or .cse0 (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse1) (or .cse0 (not (= 0 |old(~pumpRunning~0)|)) .cse1) (or (not (= 0 ~methAndRunningLastTime~0)) .cse0 (not (<= 1 ~methaneLevelCritical~0))))) [2020-07-20 16:23:44,644 INFO L264 CegarLoopResult]: At program point L600(line 600) the Hoare annotation is: (let ((.cse3 (not (= 0 |old(~pumpRunning~0)|))) (.cse5 (not (= 0 ~methaneLevelCritical~0))) (.cse0 (not (= 0 ~methAndRunningLastTime~0))) (.cse1 (not (<= 1 ~systemActive~0))) (.cse2 (not (<= 1 ~methaneLevelCritical~0))) (.cse4 (= ~pumpRunning~0 |old(~pumpRunning~0)|))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse1 .cse4 .cse5) (or .cse1 .cse3 .cse5) (or .cse0 .cse1 .cse2 (and (<= ~methaneLevelCritical~0 processEnvironment_~tmp~5) .cse4)))) [2020-07-20 16:23:44,644 INFO L268 CegarLoopResult]: For program point processEnvironmentEXIT(lines 590 614) no Hoare annotation was computed. [2020-07-20 16:23:44,644 INFO L268 CegarLoopResult]: For program point L598(lines 598 606) no Hoare annotation was computed. [2020-07-20 16:23:44,644 INFO L264 CegarLoopResult]: At program point L596(line 596) the Hoare annotation is: (let ((.cse3 (not (= 0 |old(~pumpRunning~0)|))) (.cse5 (not (= 0 ~methaneLevelCritical~0))) (.cse0 (not (= 0 ~methAndRunningLastTime~0))) (.cse1 (not (<= 1 ~systemActive~0))) (.cse2 (not (<= 1 ~methaneLevelCritical~0))) (.cse4 (= ~pumpRunning~0 |old(~pumpRunning~0)|))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse1 .cse4 .cse5) (or .cse1 .cse3 .cse5) (or .cse0 .cse1 .cse2 .cse4))) [2020-07-20 16:23:44,645 INFO L264 CegarLoopResult]: At program point processEnvironmentENTRY(lines 590 614) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~systemActive~0))) (.cse1 (= ~pumpRunning~0 |old(~pumpRunning~0)|))) (and (or .cse0 .cse1 (not (= 0 ~methaneLevelCritical~0))) (or (not (= 0 ~methAndRunningLastTime~0)) .cse0 (not (<= 1 ~methaneLevelCritical~0)) .cse1))) [2020-07-20 16:23:44,645 INFO L268 CegarLoopResult]: For program point L596-1(line 596) no Hoare annotation was computed. [2020-07-20 16:23:44,645 INFO L268 CegarLoopResult]: For program point L594(lines 594 611) no Hoare annotation was computed. [2020-07-20 16:23:44,645 INFO L268 CegarLoopResult]: For program point processEnvironment__wrappee__baseEXIT(lines 556 562) no Hoare annotation was computed. [2020-07-20 16:23:44,645 INFO L271 CegarLoopResult]: At program point processEnvironment__wrappee__baseFINAL(lines 556 562) the Hoare annotation is: true [2020-07-20 16:23:44,645 INFO L264 CegarLoopResult]: At program point L770-2(lines 764 775) the Hoare annotation is: (let ((.cse0 (<= test_~splverifierCounter~0 0))) (or (not (<= |old(~waterLevel~0)| 1)) (not (<= 1 ~systemActive~0)) (not (= 0 |old(~methAndRunningLastTime~0)|)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= 0 ~methAndRunningLastTime~0) (<= 1 ~methaneLevelCritical~0) .cse0) (and (= 0 ~methaneLevelCritical~0) .cse0))) [2020-07-20 16:23:44,645 INFO L264 CegarLoopResult]: At program point testENTRY(lines 724 787) the Hoare annotation is: (or (not (<= |old(~waterLevel~0)| 1)) (not (<= 1 ~systemActive~0)) (not (= 0 |old(~methAndRunningLastTime~0)|)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= 0 ~methaneLevelCritical~0) (= 0 ~methAndRunningLastTime~0) (<= ~waterLevel~0 |old(~waterLevel~0)|) (= 0 ~pumpRunning~0))) [2020-07-20 16:23:44,646 INFO L268 CegarLoopResult]: For program point L735(lines 734 779) no Hoare annotation was computed. [2020-07-20 16:23:44,646 INFO L268 CegarLoopResult]: For program point L764(lines 764 775) no Hoare annotation was computed. [2020-07-20 16:23:44,646 INFO L268 CegarLoopResult]: For program point testFINAL(lines 724 787) no Hoare annotation was computed. [2020-07-20 16:23:44,646 INFO L264 CegarLoopResult]: At program point L756(line 756) the Hoare annotation is: (let ((.cse0 (= 0 ~methAndRunningLastTime~0)) (.cse1 (<= test_~splverifierCounter~0 0))) (or (not (<= |old(~waterLevel~0)| 1)) (not (<= 1 ~systemActive~0)) (and (= 0 ~methaneLevelCritical~0) .cse0 .cse1) (not (= 0 |old(~methAndRunningLastTime~0)|)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (and .cse0 (<= 1 ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) .cse1))) [2020-07-20 16:23:44,646 INFO L268 CegarLoopResult]: For program point L754(lines 754 760) no Hoare annotation was computed. [2020-07-20 16:23:44,646 INFO L268 CegarLoopResult]: For program point L754-1(lines 754 760) no Hoare annotation was computed. [2020-07-20 16:23:44,646 INFO L264 CegarLoopResult]: At program point L746(line 746) the Hoare annotation is: (let ((.cse0 (= 0 ~methAndRunningLastTime~0)) (.cse1 (<= test_~splverifierCounter~0 0))) (or (not (<= |old(~waterLevel~0)| 1)) (not (<= 1 ~systemActive~0)) (and (= 0 ~methaneLevelCritical~0) .cse0 .cse1) (not (= 0 |old(~methAndRunningLastTime~0)|)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (and .cse0 (<= 1 ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) .cse1))) [2020-07-20 16:23:44,647 INFO L264 CegarLoopResult]: At program point L777(lines 734 779) the Hoare annotation is: (let ((.cse0 (= 0 ~methAndRunningLastTime~0)) (.cse1 (<= test_~splverifierCounter~0 0))) (or (not (<= |old(~waterLevel~0)| 1)) (not (<= 1 ~systemActive~0)) (and (= 0 ~methaneLevelCritical~0) .cse0 .cse1) (not (= 0 |old(~methAndRunningLastTime~0)|)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (and .cse0 (<= 1 ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) .cse1))) [2020-07-20 16:23:44,647 INFO L268 CegarLoopResult]: For program point L744(lines 744 750) no Hoare annotation was computed. [2020-07-20 16:23:44,647 INFO L268 CegarLoopResult]: For program point L744-1(lines 744 750) no Hoare annotation was computed. [2020-07-20 16:23:44,647 INFO L268 CegarLoopResult]: For program point L736(lines 736 740) no Hoare annotation was computed. [2020-07-20 16:23:44,647 INFO L264 CegarLoopResult]: At program point L780(lines 733 781) the Hoare annotation is: (or (not (<= |old(~waterLevel~0)| 1)) (not (= 0 |old(~methAndRunningLastTime~0)|)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (not (<= 1 ~systemActive~0))) [2020-07-20 16:23:44,647 INFO L268 CegarLoopResult]: For program point testEXIT(lines 724 787) no Hoare annotation was computed. [2020-07-20 16:23:44,647 INFO L268 CegarLoopResult]: For program point L770(lines 770 774) no Hoare annotation was computed. [2020-07-20 16:23:44,647 INFO L268 CegarLoopResult]: For program point __utac__get_this_argENTRY(lines 313 358) no Hoare annotation was computed. [2020-07-20 16:23:44,647 INFO L268 CegarLoopResult]: For program point __utac__get_this_argEXIT(lines 313 358) no Hoare annotation was computed. [2020-07-20 16:23:44,647 INFO L268 CegarLoopResult]: For program point __utac__get_this_argFINAL(lines 313 358) no Hoare annotation was computed. [2020-07-20 16:23:44,647 INFO L268 CegarLoopResult]: For program point L333(lines 333 340) no Hoare annotation was computed. [2020-07-20 16:23:44,647 INFO L268 CegarLoopResult]: For program point L327(lines 327 347) no Hoare annotation was computed. [2020-07-20 16:23:44,647 INFO L268 CegarLoopResult]: For program point L327-1(lines 327 347) no Hoare annotation was computed. [2020-07-20 16:23:44,648 INFO L264 CegarLoopResult]: At program point activatePump__wrappee__highWaterSensorENTRY(lines 615 622) the Hoare annotation is: (or (not (<= 1 ~systemActive~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= 0 ~methaneLevelCritical~0)) (= 0 ~pumpRunning~0) (not (<= 2 ~waterLevel~0))) [2020-07-20 16:23:44,648 INFO L268 CegarLoopResult]: For program point activatePump__wrappee__highWaterSensorEXIT(lines 615 622) no Hoare annotation was computed. [2020-07-20 16:23:44,648 INFO L268 CegarLoopResult]: For program point activatePump__wrappee__highWaterSensorFINAL(lines 615 622) no Hoare annotation was computed. [2020-07-20 16:23:44,648 INFO L264 CegarLoopResult]: At program point __utac_acc__Specification2_spec__2ENTRY(lines 928 956) the Hoare annotation is: (or (not (<= 1 ~systemActive~0)) (= 0 ~methAndRunningLastTime~0) (not (<= 1 ~methaneLevelCritical~0)) (not (= 0 |old(~methAndRunningLastTime~0)|)) (not (<= 2 ~waterLevel~0)) (not (= 0 ~pumpRunning~0))) [2020-07-20 16:23:44,648 INFO L264 CegarLoopResult]: At program point L943(line 943) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~systemActive~0)))) (and (or .cse0 (not (<= 1 ~methaneLevelCritical~0)) (not (= 0 ~pumpRunning~0))) (or .cse0 (not (= 0 ~methaneLevelCritical~0))))) [2020-07-20 16:23:44,648 INFO L268 CegarLoopResult]: For program point L941(lines 941 947) no Hoare annotation was computed. [2020-07-20 16:23:44,648 INFO L268 CegarLoopResult]: For program point L940(lines 940 950) no Hoare annotation was computed. [2020-07-20 16:23:44,648 INFO L264 CegarLoopResult]: At program point L938(line 938) the Hoare annotation is: (or (not (<= 1 ~systemActive~0)) (not (= 0 ~methaneLevelCritical~0))) [2020-07-20 16:23:44,648 INFO L268 CegarLoopResult]: For program point L938-1(line 938) no Hoare annotation was computed. [2020-07-20 16:23:44,648 INFO L268 CegarLoopResult]: For program point L936(lines 936 953) no Hoare annotation was computed. [2020-07-20 16:23:44,648 INFO L268 CegarLoopResult]: For program point L936-1(lines 928 956) no Hoare annotation was computed. [2020-07-20 16:23:44,648 INFO L264 CegarLoopResult]: At program point L934(line 934) the Hoare annotation is: (or (not (<= 1 ~systemActive~0)) (= 0 ~methAndRunningLastTime~0) (not (<= 1 ~methaneLevelCritical~0)) (not (= 0 |old(~methAndRunningLastTime~0)|)) (not (<= 2 ~waterLevel~0)) (not (= 0 ~pumpRunning~0))) [2020-07-20 16:23:44,649 INFO L268 CegarLoopResult]: For program point L934-1(line 934) no Hoare annotation was computed. [2020-07-20 16:23:44,649 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification2_spec__2EXIT(lines 928 956) no Hoare annotation was computed. [2020-07-20 16:23:44,649 INFO L264 CegarLoopResult]: At program point __utac_acc__Specification2_spec__1ENTRY(lines 920 927) the Hoare annotation is: (or (not (<= 1 ~systemActive~0)) (= 0 ~methAndRunningLastTime~0) (not (= 0 |old(~methAndRunningLastTime~0)|)) (not (= 0 ~methaneLevelCritical~0)) (not (<= ~waterLevel~0 1)) (not (= 0 ~pumpRunning~0))) [2020-07-20 16:23:44,649 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification2_spec__1FINAL(lines 920 927) no Hoare annotation was computed. [2020-07-20 16:23:44,649 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification2_spec__1EXIT(lines 920 927) no Hoare annotation was computed. [2020-07-20 16:23:44,649 INFO L268 CegarLoopResult]: For program point L845(lines 845 853) no Hoare annotation was computed. [2020-07-20 16:23:44,649 INFO L268 CegarLoopResult]: For program point L845-2(lines 845 853) no Hoare annotation was computed. [2020-07-20 16:23:44,649 INFO L268 CegarLoopResult]: For program point printEnvironmentEXIT(lines 837 859) no Hoare annotation was computed. [2020-07-20 16:23:44,649 INFO L268 CegarLoopResult]: For program point printEnvironmentENTRY(lines 837 859) no Hoare annotation was computed. [2020-07-20 16:23:44,649 INFO L268 CegarLoopResult]: For program point printEnvironmentFINAL(lines 837 859) no Hoare annotation was computed. [2020-07-20 16:23:44,649 INFO L268 CegarLoopResult]: For program point L256(lines 256 297) no Hoare annotation was computed. [2020-07-20 16:23:44,649 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtENTRY(lines 210 312) no Hoare annotation was computed. [2020-07-20 16:23:44,649 INFO L268 CegarLoopResult]: For program point L275(line 275) no Hoare annotation was computed. [2020-07-20 16:23:44,649 INFO L268 CegarLoopResult]: For program point L275-1(line 275) no Hoare annotation was computed. [2020-07-20 16:23:44,649 INFO L268 CegarLoopResult]: For program point L234(lines 234 238) no Hoare annotation was computed. [2020-07-20 16:23:44,650 INFO L268 CegarLoopResult]: For program point L298(lines 298 309) no Hoare annotation was computed. [2020-07-20 16:23:44,650 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtFINAL(lines 210 312) no Hoare annotation was computed. [2020-07-20 16:23:44,650 INFO L268 CegarLoopResult]: For program point L261(lines 261 265) no Hoare annotation was computed. [2020-07-20 16:23:44,650 INFO L268 CegarLoopResult]: For program point L259-2(lines 259 279) no Hoare annotation was computed. [2020-07-20 16:23:44,650 INFO L268 CegarLoopResult]: For program point L280(lines 258 281) no Hoare annotation was computed. [2020-07-20 16:23:44,650 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtEXIT(lines 210 312) no Hoare annotation was computed. [2020-07-20 16:23:44,650 INFO L268 CegarLoopResult]: For program point L239(lines 239 255) no Hoare annotation was computed. [2020-07-20 16:23:44,650 INFO L268 CegarLoopResult]: For program point L299(lines 299 306) no Hoare annotation was computed. [2020-07-20 16:23:44,650 INFO L268 CegarLoopResult]: For program point L260(lines 259 279) no Hoare annotation was computed. [2020-07-20 16:23:44,650 INFO L268 CegarLoopResult]: For program point L291(line 291) no Hoare annotation was computed. [2020-07-20 16:23:44,650 INFO L268 CegarLoopResult]: For program point L291-1(line 291) no Hoare annotation was computed. [2020-07-20 16:23:44,650 INFO L268 CegarLoopResult]: For program point select_oneENTRY(lines 885 894) no Hoare annotation was computed. [2020-07-20 16:23:44,650 INFO L268 CegarLoopResult]: For program point select_oneFINAL(lines 885 894) no Hoare annotation was computed. [2020-07-20 16:23:44,651 INFO L268 CegarLoopResult]: For program point select_oneEXIT(lines 885 894) no Hoare annotation was computed. [2020-07-20 16:23:44,651 INFO L268 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-07-20 16:23:44,651 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 16:23:44,651 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-07-20 16:23:44,651 INFO L268 CegarLoopResult]: For program point activatePumpEXIT(lines 623 639) no Hoare annotation was computed. [2020-07-20 16:23:44,651 INFO L264 CegarLoopResult]: At program point L634(line 634) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~systemActive~0))) (.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (not (<= 2 ~waterLevel~0)))) (and (or .cse0 .cse1 (not (= 0 ~methaneLevelCritical~0)) (= 0 ~pumpRunning~0) .cse2) (or (not (= 0 ~methAndRunningLastTime~0)) .cse0 (not (<= 1 ~methaneLevelCritical~0)) .cse1 .cse2))) [2020-07-20 16:23:44,651 INFO L268 CegarLoopResult]: For program point L634-1(lines 623 639) no Hoare annotation was computed. [2020-07-20 16:23:44,651 INFO L264 CegarLoopResult]: At program point activatePumpENTRY(lines 623 639) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~systemActive~0))) (.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (= 0 ~pumpRunning~0)) (.cse3 (not (<= 2 ~waterLevel~0)))) (and (or .cse0 .cse1 (not (= 0 ~methaneLevelCritical~0)) .cse2 .cse3) (or (not (= 0 ~methAndRunningLastTime~0)) .cse0 (not (<= 1 ~methaneLevelCritical~0)) .cse1 .cse2 .cse3))) [2020-07-20 16:23:44,652 INFO L268 CegarLoopResult]: For program point L630(lines 630 636) no Hoare annotation was computed. [2020-07-20 16:23:44,652 INFO L264 CegarLoopResult]: At program point L628(line 628) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~systemActive~0))) (.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (= 0 ~pumpRunning~0)) (.cse3 (not (<= 2 ~waterLevel~0)))) (and (or .cse0 .cse1 (not (= 0 ~methaneLevelCritical~0)) .cse2 .cse3) (or (not (= 0 ~methAndRunningLastTime~0)) .cse0 (not (<= 1 ~methaneLevelCritical~0)) .cse1 .cse2 .cse3))) [2020-07-20 16:23:44,652 INFO L268 CegarLoopResult]: For program point L628-1(line 628) no Hoare annotation was computed. [2020-07-20 16:23:44,652 INFO L268 CegarLoopResult]: For program point isHighWaterLevelEXIT(lines 704 722) no Hoare annotation was computed. [2020-07-20 16:23:44,652 INFO L268 CegarLoopResult]: For program point L713(lines 713 717) no Hoare annotation was computed. [2020-07-20 16:23:44,652 INFO L271 CegarLoopResult]: At program point L711(line 711) the Hoare annotation is: true [2020-07-20 16:23:44,652 INFO L268 CegarLoopResult]: For program point L713-2(lines 713 717) no Hoare annotation was computed. [2020-07-20 16:23:44,652 INFO L268 CegarLoopResult]: For program point L711-1(line 711) no Hoare annotation was computed. [2020-07-20 16:23:44,653 INFO L271 CegarLoopResult]: At program point isHighWaterLevelENTRY(lines 704 722) the Hoare annotation is: true [2020-07-20 16:23:44,653 INFO L268 CegarLoopResult]: For program point isHighWaterLevelFINAL(lines 704 722) no Hoare annotation was computed. [2020-07-20 16:23:44,653 INFO L268 CegarLoopResult]: For program point getWaterLevelENTRY(lines 860 868) no Hoare annotation was computed. [2020-07-20 16:23:44,653 INFO L268 CegarLoopResult]: For program point getWaterLevelFINAL(lines 860 868) no Hoare annotation was computed. [2020-07-20 16:23:44,653 INFO L268 CegarLoopResult]: For program point getWaterLevelEXIT(lines 860 868) no Hoare annotation was computed. [2020-07-20 16:23:44,653 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intEXIT(line -1) no Hoare annotation was computed. [2020-07-20 16:23:44,653 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intENTRY(line -1) no Hoare annotation was computed. [2020-07-20 16:23:44,653 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intFINAL(line -1) no Hoare annotation was computed. [2020-07-20 16:23:44,653 INFO L264 CegarLoopResult]: At program point changeMethaneLevelENTRY(lines 816 827) the Hoare annotation is: (let ((.cse0 (not (= 0 ~methAndRunningLastTime~0))) (.cse1 (not (<= 1 ~systemActive~0)))) (and (or .cse0 .cse1 (= 0 ~methaneLevelCritical~0) (not (= |old(~methaneLevelCritical~0)| 0))) (or .cse0 .cse1 (<= 1 ~methaneLevelCritical~0) (not (= 0 ~pumpRunning~0)) (not (<= 1 |old(~methaneLevelCritical~0)|))))) [2020-07-20 16:23:44,654 INFO L268 CegarLoopResult]: For program point changeMethaneLevelEXIT(lines 816 827) no Hoare annotation was computed. [2020-07-20 16:23:44,654 INFO L268 CegarLoopResult]: For program point L820-1(lines 816 827) no Hoare annotation was computed. [2020-07-20 16:23:44,654 INFO L264 CegarLoopResult]: At program point L545(line 545) the Hoare annotation is: (let ((.cse3 (<= ~waterLevel~0 |old(~waterLevel~0)|)) (.cse4 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse5 (not (= 0 ~methaneLevelCritical~0))) (.cse0 (not (<= 1 ~systemActive~0))) (.cse6 (<= 2 ~waterLevel~0)) (.cse1 (not (<= 1 ~methaneLevelCritical~0))) (.cse2 (not (= 0 |old(~methAndRunningLastTime~0)|))) (.cse7 (not (= 0 |old(~pumpRunning~0)|))) (.cse8 (not (<= 2 |old(~waterLevel~0)|)))) (and (or .cse0 .cse1 .cse2 (and (= 0 ~methAndRunningLastTime~0) .cse3 .cse4)) (or .cse0 .cse5 (and .cse3 .cse4)) (or .cse0 .cse6 .cse7 .cse5 .cse8) (or .cse0 .cse6 .cse1 .cse2 .cse7 .cse8))) [2020-07-20 16:23:44,654 INFO L264 CegarLoopResult]: At program point L543(lines 543 549) the Hoare annotation is: (let ((.cse3 (<= ~waterLevel~0 |old(~waterLevel~0)|)) (.cse0 (= 0 |old(~pumpRunning~0)|))) (let ((.cse2 (not (= 0 ~methaneLevelCritical~0))) (.cse5 (<= 2 ~waterLevel~0)) (.cse6 (not .cse0)) (.cse7 (not (<= 2 |old(~waterLevel~0)|))) (.cse1 (not (<= 1 ~systemActive~0))) (.cse8 (not (<= 1 ~methaneLevelCritical~0))) (.cse9 (not (= 0 |old(~methAndRunningLastTime~0)|))) (.cse4 (and .cse3 (= 0 ~pumpRunning~0)))) (and (or .cse0 .cse1 .cse2 (and .cse3 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) .cse4) (or .cse1 (and .cse5 .cse3) .cse6 .cse2 .cse7) (or .cse1 (= 0 ~methAndRunningLastTime~0) .cse8 .cse9 .cse6) (or (not (<= |old(~waterLevel~0)| 1)) .cse1 .cse6 .cse2 .cse4) (or .cse1 .cse5 .cse8 .cse9 .cse6 .cse7) (or .cse1 .cse8 .cse9 .cse4)))) [2020-07-20 16:23:44,654 INFO L264 CegarLoopResult]: At program point L538(line 538) the Hoare annotation is: (let ((.cse2 (not (<= 1 ~methaneLevelCritical~0))) (.cse3 (not (= 0 |old(~methAndRunningLastTime~0)|))) (.cse5 (<= ~waterLevel~0 |old(~waterLevel~0)|)) (.cse6 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse1 (<= 2 ~waterLevel~0)) (.cse4 (not (<= 2 |old(~waterLevel~0)|))) (.cse0 (not (<= 1 ~systemActive~0))) (.cse7 (not (= 0 |old(~pumpRunning~0)|))) (.cse8 (not (= 0 ~methaneLevelCritical~0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse0 .cse2 .cse3 (and (= 0 ~methAndRunningLastTime~0) .cse5 .cse6)) (or .cse0 .cse2 .cse3 .cse7) (or .cse0 .cse8 (and .cse5 .cse6)) (or .cse0 .cse1 .cse8 .cse4) (or .cse0 .cse7 .cse8))) [2020-07-20 16:23:44,654 INFO L268 CegarLoopResult]: For program point L536(lines 535 554) no Hoare annotation was computed. [2020-07-20 16:23:44,655 INFO L264 CegarLoopResult]: At program point timeShiftENTRY(lines 532 555) the Hoare annotation is: (let ((.cse7 (= 0 |old(~pumpRunning~0)|))) (let ((.cse2 (not (<= 1 ~methaneLevelCritical~0))) (.cse3 (not (= 0 |old(~methAndRunningLastTime~0)|))) (.cse6 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse1 (<= 2 ~waterLevel~0)) (.cse4 (not (<= 2 |old(~waterLevel~0)|))) (.cse0 (not (<= 1 ~systemActive~0))) (.cse9 (not .cse7)) (.cse8 (not (= 0 ~methaneLevelCritical~0))) (.cse5 (<= ~waterLevel~0 |old(~waterLevel~0)|))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse0 .cse2 .cse3 (and (= 0 ~methAndRunningLastTime~0) .cse5 .cse6)) (or .cse7 .cse0 .cse8 (and .cse5 .cse6)) (or .cse0 .cse1 .cse9 .cse8 .cse4) (or .cse7 .cse0 .cse1 .cse8 .cse4) (or .cse0 .cse9 .cse8 (and .cse5 (= 0 ~pumpRunning~0)))))) [2020-07-20 16:23:44,655 INFO L268 CegarLoopResult]: For program point timeShiftEXIT(lines 532 555) no Hoare annotation was computed. [2020-07-20 16:23:44,655 INFO L268 CegarLoopResult]: For program point timeShiftFINAL(lines 532 555) no Hoare annotation was computed. [2020-07-20 16:23:44,655 INFO L268 CegarLoopResult]: For program point cleanupEXIT(lines 417 446) no Hoare annotation was computed. [2020-07-20 16:23:44,655 INFO L271 CegarLoopResult]: At program point cleanupENTRY(lines 417 446) the Hoare annotation is: true [2020-07-20 16:23:44,655 INFO L271 CegarLoopResult]: At program point L442(lines 417 446) the Hoare annotation is: true [2020-07-20 16:23:44,655 INFO L268 CegarLoopResult]: For program point L438(line 438) no Hoare annotation was computed. [2020-07-20 16:23:44,655 INFO L268 CegarLoopResult]: For program point L431(lines 431 435) no Hoare annotation was computed. [2020-07-20 16:23:44,656 INFO L271 CegarLoopResult]: At program point L431-1(lines 431 435) the Hoare annotation is: true [2020-07-20 16:23:44,656 INFO L268 CegarLoopResult]: For program point L428(line 428) no Hoare annotation was computed. [2020-07-20 16:23:44,656 INFO L271 CegarLoopResult]: At program point L427-2(lines 427 441) the Hoare annotation is: true [2020-07-20 16:23:44,656 INFO L271 CegarLoopResult]: At program point L423(line 423) the Hoare annotation is: true [2020-07-20 16:23:44,656 INFO L268 CegarLoopResult]: For program point L423-1(line 423) no Hoare annotation was computed. [2020-07-20 16:23:44,656 INFO L271 CegarLoopResult]: At program point isMethaneLevelCriticalENTRY(lines 828 836) the Hoare annotation is: true [2020-07-20 16:23:44,656 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalFINAL(lines 828 836) no Hoare annotation was computed. [2020-07-20 16:23:44,656 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalEXIT(lines 828 836) no Hoare annotation was computed. [2020-07-20 16:23:44,657 INFO L264 CegarLoopResult]: At program point lowerWaterLevelENTRY(lines 792 803) the Hoare annotation is: (let ((.cse0 (not (= 0 ~methAndRunningLastTime~0))) (.cse3 (not (<= 1 ~methaneLevelCritical~0))) (.cse6 (<= ~waterLevel~0 |old(~waterLevel~0)|)) (.cse1 (not (<= 1 ~systemActive~0))) (.cse2 (<= 2 ~waterLevel~0)) (.cse7 (not (= 0 ~methaneLevelCritical~0))) (.cse4 (= 0 ~pumpRunning~0)) (.cse5 (not (<= 2 |old(~waterLevel~0)|)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (or .cse1 .cse6 .cse7 .cse4) (or .cse0 .cse1 .cse3 .cse6 .cse4) (or .cse1 .cse2 .cse7 .cse4 .cse5))) [2020-07-20 16:23:44,657 INFO L268 CegarLoopResult]: For program point L796-1(lines 792 803) no Hoare annotation was computed. [2020-07-20 16:23:44,657 INFO L268 CegarLoopResult]: For program point lowerWaterLevelEXIT(lines 792 803) no Hoare annotation was computed. [2020-07-20 16:23:44,657 INFO L268 CegarLoopResult]: For program point setupEXIT(lines 474 480) no Hoare annotation was computed. [2020-07-20 16:23:44,657 INFO L271 CegarLoopResult]: At program point setupFINAL(lines 474 480) the Hoare annotation is: true [2020-07-20 16:23:44,657 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-07-20 16:23:44,657 INFO L264 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (and (= 0 ~methaneLevelCritical~0) (= 0 ~methAndRunningLastTime~0) (= 0 ~pumpRunning~0) (<= ~waterLevel~0 1) (<= 1 ~systemActive~0)) [2020-07-20 16:23:44,657 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-07-20 16:23:44,657 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-07-20 16:23:44,657 INFO L268 CegarLoopResult]: For program point waterRiseEXIT(lines 804 815) no Hoare annotation was computed. [2020-07-20 16:23:44,658 INFO L268 CegarLoopResult]: For program point L808-1(lines 804 815) no Hoare annotation was computed. [2020-07-20 16:23:44,658 INFO L264 CegarLoopResult]: At program point waterRiseENTRY(lines 804 815) the Hoare annotation is: (let ((.cse3 (<= ~waterLevel~0 |old(~waterLevel~0)|)) (.cse2 (not (<= 1 ~methaneLevelCritical~0))) (.cse4 (not (= 0 ~pumpRunning~0))) (.cse0 (not (= 0 ~methAndRunningLastTime~0))) (.cse1 (not (<= 1 ~systemActive~0))) (.cse6 (<= 2 ~waterLevel~0)) (.cse5 (not (= 0 ~methaneLevelCritical~0))) (.cse7 (not (<= 2 |old(~waterLevel~0)|)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse0 .cse1 .cse3 .cse5) (or .cse0 .cse1 .cse6 .cse2 .cse4 .cse7) (or .cse0 .cse1 .cse6 .cse5 .cse7))) [2020-07-20 16:23:44,658 INFO L268 CegarLoopResult]: For program point __automaton_failFINAL(lines 406 413) no Hoare annotation was computed. [2020-07-20 16:23:44,658 INFO L268 CegarLoopResult]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 410) no Hoare annotation was computed. [2020-07-20 16:23:44,658 INFO L271 CegarLoopResult]: At program point __automaton_failENTRY(lines 406 413) the Hoare annotation is: true [2020-07-20 16:23:44,658 INFO L268 CegarLoopResult]: For program point __automaton_failEXIT(lines 406 413) no Hoare annotation was computed. [2020-07-20 16:23:44,677 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.07 04:23:44 BoogieIcfgContainer [2020-07-20 16:23:44,677 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-07-20 16:23:44,679 INFO L168 Benchmark]: Toolchain (without parser) took 19512.84 ms. Allocated memory was 146.3 MB in the beginning and 436.7 MB in the end (delta: 290.5 MB). Free memory was 103.3 MB in the beginning and 278.4 MB in the end (delta: -175.2 MB). Peak memory consumption was 277.5 MB. Max. memory is 7.1 GB. [2020-07-20 16:23:44,681 INFO L168 Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 146.3 MB. Free memory is still 122.3 MB. There was no memory consumed. Max. memory is 7.1 GB. [2020-07-20 16:23:44,686 INFO L168 Benchmark]: CACSL2BoogieTranslator took 624.61 ms. Allocated memory was 146.3 MB in the beginning and 204.5 MB in the end (delta: 58.2 MB). Free memory was 102.8 MB in the beginning and 173.1 MB in the end (delta: -70.3 MB). Peak memory consumption was 24.0 MB. Max. memory is 7.1 GB. [2020-07-20 16:23:44,687 INFO L168 Benchmark]: Boogie Preprocessor took 89.15 ms. Allocated memory is still 204.5 MB. Free memory was 173.1 MB in the beginning and 168.9 MB in the end (delta: 4.3 MB). Peak memory consumption was 4.3 MB. Max. memory is 7.1 GB. [2020-07-20 16:23:44,694 INFO L168 Benchmark]: RCFGBuilder took 1143.26 ms. Allocated memory was 204.5 MB in the beginning and 234.9 MB in the end (delta: 30.4 MB). Free memory was 168.9 MB in the beginning and 193.2 MB in the end (delta: -24.3 MB). Peak memory consumption was 82.2 MB. Max. memory is 7.1 GB. [2020-07-20 16:23:44,694 INFO L168 Benchmark]: TraceAbstraction took 17650.75 ms. Allocated memory was 234.9 MB in the beginning and 436.7 MB in the end (delta: 201.9 MB). Free memory was 191.8 MB in the beginning and 278.4 MB in the end (delta: -86.7 MB). Peak memory consumption was 277.4 MB. Max. memory is 7.1 GB. [2020-07-20 16:23:44,699 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21 ms. Allocated memory is still 146.3 MB. Free memory is still 122.3 MB. There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 624.61 ms. Allocated memory was 146.3 MB in the beginning and 204.5 MB in the end (delta: 58.2 MB). Free memory was 102.8 MB in the beginning and 173.1 MB in the end (delta: -70.3 MB). Peak memory consumption was 24.0 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 89.15 ms. Allocated memory is still 204.5 MB. Free memory was 173.1 MB in the beginning and 168.9 MB in the end (delta: 4.3 MB). Peak memory consumption was 4.3 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1143.26 ms. Allocated memory was 204.5 MB in the beginning and 234.9 MB in the end (delta: 30.4 MB). Free memory was 168.9 MB in the beginning and 193.2 MB in the end (delta: -24.3 MB). Peak memory consumption was 82.2 MB. Max. memory is 7.1 GB. * TraceAbstraction took 17650.75 ms. Allocated memory was 234.9 MB in the beginning and 436.7 MB in the end (delta: 201.9 MB). Free memory was 191.8 MB in the beginning and 278.4 MB in the end (delta: -86.7 MB). Peak memory consumption was 277.4 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 410]: 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: 734]: Loop Invariant Derived loop invariant: (((((!(\old(waterLevel) <= 1) || !(1 <= systemActive)) || ((0 == methaneLevelCritical && 0 == methAndRunningLastTime) && splverifierCounter <= 0)) || !(0 == \old(methAndRunningLastTime))) || !(0 == \old(pumpRunning))) || !(\old(methaneLevelCritical) == 0)) || (((0 == methAndRunningLastTime && 1 <= methaneLevelCritical) && 0 == pumpRunning) && splverifierCounter <= 0) - InvariantResult [Line: 733]: Loop Invariant Derived loop invariant: (((!(\old(waterLevel) <= 1) || !(0 == \old(methAndRunningLastTime))) || !(0 == \old(pumpRunning))) || !(\old(methaneLevelCritical) == 0)) || !(1 <= systemActive) - InvariantResult [Line: 427]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 417]: Loop Invariant Derived loop invariant: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 40 procedures, 237 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 11.2s, OverallIterations: 12, TraceHistogramMax: 6, AutomataDifference: 3.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 6.3s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 2111 SDtfs, 1001 SDslu, 4021 SDs, 0 SdLazy, 1555 SolverSat, 287 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 2.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 1601 GetRequests, 1558 SyntacticMatches, 2 SemanticMatches, 41 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=868occurred 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, 188 StatesRemovedByMinimization, 7 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 62 LocationsWithAnnotation, 1857 PreInvPairs, 1945 NumberOfFragments, 1950 HoareAnnotationTreeSize, 1857 FomulaSimplifications, 3632 FormulaSimplificationTreeSizeReduction, 1.1s HoareSimplificationTime, 62 FomulaSimplificationsInter, 11093 FormulaSimplificationTreeSizeReductionInter, 5.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.3s SsaConstructionTime, 3.0s SatisfiabilityAnalysisTime, 0.8s InterpolantComputationTime, 1608 NumberOfCodeBlocks, 1034 NumberOfCodeBlocksAsserted, 34 NumberOfCheckSat, 1596 ConstructedInterpolants, 0 QuantifiedInterpolants, 390020 SizeOfPredicates, 26 NumberOfNonLiveVariables, 8955 ConjunctsInSsa, 105 ConjunctsInUnsatCore, 12 InterpolantComputations, 12 PerfectInterpolantSequences, 789/789 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...