/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_spec5_product49.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-d623d84 [2020-07-20 16:26:26,897 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-07-20 16:26:26,901 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-07-20 16:26:26,920 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-07-20 16:26:26,920 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-07-20 16:26:26,922 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-07-20 16:26:26,925 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-07-20 16:26:26,935 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-07-20 16:26:26,940 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-07-20 16:26:26,942 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-07-20 16:26:26,943 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-07-20 16:26:26,944 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-07-20 16:26:26,944 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-07-20 16:26:26,948 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-07-20 16:26:26,949 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-07-20 16:26:26,950 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-07-20 16:26:26,951 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-07-20 16:26:26,952 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-07-20 16:26:26,953 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-07-20 16:26:26,955 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-07-20 16:26:26,956 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-07-20 16:26:26,957 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-07-20 16:26:26,958 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-07-20 16:26:26,959 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-07-20 16:26:26,961 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-07-20 16:26:26,961 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-07-20 16:26:26,961 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-07-20 16:26:26,962 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-07-20 16:26:26,962 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-07-20 16:26:26,963 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-07-20 16:26:26,963 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-07-20 16:26:26,964 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-07-20 16:26:26,965 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-07-20 16:26:26,966 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-07-20 16:26:26,967 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-07-20 16:26:26,967 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-07-20 16:26:26,967 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-07-20 16:26:26,968 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-07-20 16:26:26,968 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-07-20 16:26:26,969 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-07-20 16:26:26,969 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-07-20 16:26:26,970 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 16:26:26,984 INFO L113 SettingsManager]: Loading preferences was successful [2020-07-20 16:26:26,984 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-07-20 16:26:26,986 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-07-20 16:26:26,986 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-07-20 16:26:26,986 INFO L138 SettingsManager]: * Use SBE=true [2020-07-20 16:26:26,986 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-07-20 16:26:26,987 INFO L138 SettingsManager]: * sizeof long=4 [2020-07-20 16:26:26,987 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-07-20 16:26:26,987 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-07-20 16:26:26,987 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-07-20 16:26:26,987 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-07-20 16:26:26,988 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-07-20 16:26:26,988 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-07-20 16:26:26,988 INFO L138 SettingsManager]: * sizeof long double=12 [2020-07-20 16:26:26,988 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-07-20 16:26:26,988 INFO L138 SettingsManager]: * Use constant arrays=true [2020-07-20 16:26:26,989 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-07-20 16:26:26,989 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-07-20 16:26:26,989 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-07-20 16:26:26,989 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-07-20 16:26:26,990 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-07-20 16:26:26,990 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-20 16:26:26,990 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-07-20 16:26:26,990 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-07-20 16:26:26,990 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-07-20 16:26:26,991 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-07-20 16:26:26,991 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 16:26:26,991 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-07-20 16:26:26,991 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-07-20 16:26:26,991 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 16:26:27,326 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2020-07-20 16:26:27,344 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-07-20 16:26:27,349 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-07-20 16:26:27,350 INFO L271 PluginConnector]: Initializing CDTParser... [2020-07-20 16:26:27,351 INFO L275 PluginConnector]: CDTParser initialized [2020-07-20 16:26:27,353 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec5_product49.cil.c [2020-07-20 16:26:27,431 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bd332873d/389d384793164693a42ba8c3869f27f2/FLAG3fbfa890b [2020-07-20 16:26:27,978 INFO L306 CDTParser]: Found 1 translation units. [2020-07-20 16:26:27,979 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec5_product49.cil.c [2020-07-20 16:26:27,992 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bd332873d/389d384793164693a42ba8c3869f27f2/FLAG3fbfa890b [2020-07-20 16:26:28,268 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bd332873d/389d384793164693a42ba8c3869f27f2 [2020-07-20 16:26:28,276 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-07-20 16:26:28,278 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-07-20 16:26:28,279 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-07-20 16:26:28,279 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-07-20 16:26:28,283 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-07-20 16:26:28,284 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.07 04:26:28" (1/1) ... [2020-07-20 16:26:28,287 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@15ad3b8b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 04:26:28, skipping insertion in model container [2020-07-20 16:26:28,287 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.07 04:26:28" (1/1) ... [2020-07-20 16:26:28,294 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-07-20 16:26:28,339 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-07-20 16:26:28,655 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-20 16:26:28,680 INFO L203 MainTranslator]: Completed pre-run [2020-07-20 16:26:28,873 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-20 16:26:28,908 INFO L208 MainTranslator]: Completed translation [2020-07-20 16:26:28,908 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 04:26:28 WrapperNode [2020-07-20 16:26:28,909 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-07-20 16:26:28,910 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-07-20 16:26:28,910 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-07-20 16:26:28,910 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-07-20 16:26:28,922 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 04:26:28" (1/1) ... [2020-07-20 16:26:28,923 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 04:26:28" (1/1) ... [2020-07-20 16:26:28,941 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 04:26:28" (1/1) ... [2020-07-20 16:26:28,942 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 04:26:28" (1/1) ... [2020-07-20 16:26:28,994 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 04:26:28" (1/1) ... [2020-07-20 16:26:29,014 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 04:26:28" (1/1) ... [2020-07-20 16:26:29,018 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 04:26:28" (1/1) ... [2020-07-20 16:26:29,025 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-07-20 16:26:29,026 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-07-20 16:26:29,026 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-07-20 16:26:29,026 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-07-20 16:26:29,027 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 04:26:28" (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 16:26:29,100 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-07-20 16:26:29,100 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-07-20 16:26:29,101 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-07-20 16:26:29,101 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-07-20 16:26:29,101 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2020-07-20 16:26:29,101 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2020-07-20 16:26:29,101 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-07-20 16:26:29,101 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-07-20 16:26:29,102 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-07-20 16:26:29,102 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-07-20 16:26:29,102 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-07-20 16:26:29,102 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-07-20 16:26:29,102 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2020-07-20 16:26:29,103 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2020-07-20 16:26:29,103 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-07-20 16:26:29,103 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-07-20 16:26:29,103 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-07-20 16:26:29,103 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-07-20 16:26:29,103 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-07-20 16:26:29,104 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-07-20 16:26:29,104 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-07-20 16:26:29,104 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2020-07-20 16:26:29,104 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2020-07-20 16:26:29,104 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-07-20 16:26:29,104 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-07-20 16:26:29,104 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-07-20 16:26:29,105 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-07-20 16:26:29,105 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-07-20 16:26:29,105 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-07-20 16:26:29,105 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-07-20 16:26:29,105 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-07-20 16:26:29,105 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-07-20 16:26:29,106 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-07-20 16:26:29,106 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-07-20 16:26:29,106 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-07-20 16:26:29,106 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-07-20 16:26:29,106 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-07-20 16:26:29,106 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-07-20 16:26:29,107 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-07-20 16:26:29,107 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__1 [2020-07-20 16:26:29,107 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__2 [2020-07-20 16:26:29,107 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__3 [2020-07-20 16:26:29,107 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-07-20 16:26:29,107 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-07-20 16:26:29,107 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-07-20 16:26:29,107 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-07-20 16:26:29,108 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-07-20 16:26:29,108 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-07-20 16:26:29,108 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2020-07-20 16:26:29,108 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2020-07-20 16:26:29,108 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-07-20 16:26:29,108 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-07-20 16:26:29,108 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-07-20 16:26:29,109 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-07-20 16:26:29,109 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-07-20 16:26:29,109 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__2 [2020-07-20 16:26:29,109 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__3 [2020-07-20 16:26:29,109 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-07-20 16:26:29,109 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2020-07-20 16:26:29,110 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2020-07-20 16:26:29,110 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2020-07-20 16:26:29,110 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2020-07-20 16:26:29,110 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-07-20 16:26:29,110 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-07-20 16:26:29,110 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-07-20 16:26:29,110 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-07-20 16:26:29,110 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-07-20 16:26:29,110 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-07-20 16:26:29,111 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-07-20 16:26:29,111 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-07-20 16:26:29,111 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-07-20 16:26:29,111 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-07-20 16:26:29,111 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__1 [2020-07-20 16:26:29,111 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-07-20 16:26:29,111 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-07-20 16:26:29,112 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-07-20 16:26:29,112 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-07-20 16:26:29,112 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-07-20 16:26:29,112 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-07-20 16:26:29,112 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-07-20 16:26:29,112 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-07-20 16:26:29,113 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-07-20 16:26:29,113 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-07-20 16:26:29,113 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-07-20 16:26:29,113 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-07-20 16:26:29,113 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-07-20 16:26:29,113 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-07-20 16:26:29,113 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-07-20 16:26:29,114 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-07-20 16:26:29,114 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-07-20 16:26:29,114 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-07-20 16:26:29,114 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-07-20 16:26:29,114 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-07-20 16:26:29,114 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-07-20 16:26:29,114 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-07-20 16:26:29,114 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-07-20 16:26:29,114 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-07-20 16:26:29,115 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-07-20 16:26:30,093 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-07-20 16:26:30,093 INFO L295 CfgBuilder]: Removed 5 assume(true) statements. [2020-07-20 16:26:30,099 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.07 04:26:30 BoogieIcfgContainer [2020-07-20 16:26:30,099 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-07-20 16:26:30,100 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-07-20 16:26:30,101 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-07-20 16:26:30,104 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-07-20 16:26:30,105 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.07 04:26:28" (1/3) ... [2020-07-20 16:26:30,105 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@579de91b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.07 04:26:30, skipping insertion in model container [2020-07-20 16:26:30,106 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 04:26:28" (2/3) ... [2020-07-20 16:26:30,106 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@579de91b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.07 04:26:30, skipping insertion in model container [2020-07-20 16:26:30,106 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.07 04:26:30" (3/3) ... [2020-07-20 16:26:30,108 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec5_product49.cil.c [2020-07-20 16:26:30,119 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBPonlyIfFpWasNotPerfect Determinization: PREDICATE_ABSTRACTION [2020-07-20 16:26:30,127 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-07-20 16:26:30,142 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-07-20 16:26:30,167 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-07-20 16:26:30,168 INFO L376 AbstractCegarLoop]: Hoare is true [2020-07-20 16:26:30,168 INFO L377 AbstractCegarLoop]: Compute interpolants for FPandBPonlyIfFpWasNotPerfect [2020-07-20 16:26:30,168 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-07-20 16:26:30,168 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-07-20 16:26:30,168 INFO L380 AbstractCegarLoop]: Difference is false [2020-07-20 16:26:30,169 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-07-20 16:26:30,169 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-07-20 16:26:30,191 INFO L276 IsEmpty]: Start isEmpty. Operand 181 states. [2020-07-20 16:26:30,203 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2020-07-20 16:26:30,204 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 16:26:30,205 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-20 16:26:30,205 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 16:26:30,211 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 16:26:30,212 INFO L82 PathProgramCache]: Analyzing trace with hash 464701397, now seen corresponding path program 1 times [2020-07-20 16:26:30,221 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 16:26:30,221 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1648042247] [2020-07-20 16:26:30,222 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 16:26:30,702 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 3 check-sat command(s) [2020-07-20 16:26:30,703 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-20 16:26:30,711 INFO L263 TraceCheckSpWp]: Trace formula consists of 669 conjuncts, 1 conjunts are in the unsatisfiable core [2020-07-20 16:26:30,720 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 16:26:30,752 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-07-20 16:26:30,752 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-20 16:26:30,754 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1648042247] [2020-07-20 16:26:30,755 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 16:26:30,755 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-07-20 16:26:30,756 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [568823791] [2020-07-20 16:26:30,763 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-07-20 16:26:30,763 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 16:26:30,781 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-07-20 16:26:30,782 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-07-20 16:26:30,785 INFO L87 Difference]: Start difference. First operand 181 states. Second operand 2 states. [2020-07-20 16:26:30,835 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 16:26:30,835 INFO L93 Difference]: Finished difference Result 272 states and 337 transitions. [2020-07-20 16:26:30,835 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-07-20 16:26:30,837 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 59 [2020-07-20 16:26:30,837 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 16:26:30,851 INFO L225 Difference]: With dead ends: 272 [2020-07-20 16:26:30,851 INFO L226 Difference]: Without dead ends: 138 [2020-07-20 16:26:30,857 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 58 GetRequests, 58 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 16:26:30,880 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 138 states. [2020-07-20 16:26:30,916 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 138 to 138. [2020-07-20 16:26:30,918 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 138 states. [2020-07-20 16:26:30,921 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 138 states to 138 states and 162 transitions. [2020-07-20 16:26:30,923 INFO L78 Accepts]: Start accepts. Automaton has 138 states and 162 transitions. Word has length 59 [2020-07-20 16:26:30,924 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 16:26:30,924 INFO L479 AbstractCegarLoop]: Abstraction has 138 states and 162 transitions. [2020-07-20 16:26:30,924 INFO L480 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-07-20 16:26:30,924 INFO L276 IsEmpty]: Start isEmpty. Operand 138 states and 162 transitions. [2020-07-20 16:26:30,928 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2020-07-20 16:26:30,929 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 16:26:30,929 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-20 16:26:31,142 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 16:26:31,143 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 16:26:31,144 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 16:26:31,144 INFO L82 PathProgramCache]: Analyzing trace with hash -103265726, now seen corresponding path program 1 times [2020-07-20 16:26:31,144 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 16:26:31,145 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [890525520] [2020-07-20 16:26:31,145 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 16:26:31,572 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 3 check-sat command(s) [2020-07-20 16:26:31,572 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-20 16:26:31,578 INFO L263 TraceCheckSpWp]: Trace formula consists of 669 conjuncts, 2 conjunts are in the unsatisfiable core [2020-07-20 16:26:31,582 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 16:26:31,629 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-07-20 16:26:31,629 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-20 16:26:31,629 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [890525520] [2020-07-20 16:26:31,630 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 16:26:31,630 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-20 16:26:31,630 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [230525301] [2020-07-20 16:26:31,632 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-20 16:26:31,633 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 16:26:31,633 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-20 16:26:31,634 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-20 16:26:31,634 INFO L87 Difference]: Start difference. First operand 138 states and 162 transitions. Second operand 3 states. [2020-07-20 16:26:31,668 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 16:26:31,668 INFO L93 Difference]: Finished difference Result 221 states and 259 transitions. [2020-07-20 16:26:31,671 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-20 16:26:31,671 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 60 [2020-07-20 16:26:31,672 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 16:26:31,674 INFO L225 Difference]: With dead ends: 221 [2020-07-20 16:26:31,674 INFO L226 Difference]: Without dead ends: 129 [2020-07-20 16:26:31,677 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 59 GetRequests, 58 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 16:26:31,678 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 129 states. [2020-07-20 16:26:31,704 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 129 to 129. [2020-07-20 16:26:31,705 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 129 states. [2020-07-20 16:26:31,709 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 129 states and 150 transitions. [2020-07-20 16:26:31,709 INFO L78 Accepts]: Start accepts. Automaton has 129 states and 150 transitions. Word has length 60 [2020-07-20 16:26:31,710 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 16:26:31,710 INFO L479 AbstractCegarLoop]: Abstraction has 129 states and 150 transitions. [2020-07-20 16:26:31,710 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-20 16:26:31,713 INFO L276 IsEmpty]: Start isEmpty. Operand 129 states and 150 transitions. [2020-07-20 16:26:31,718 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2020-07-20 16:26:31,718 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 16:26:31,718 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-20 16:26:31,931 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 16:26:31,932 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 16:26:31,933 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 16:26:31,933 INFO L82 PathProgramCache]: Analyzing trace with hash 1838047012, now seen corresponding path program 1 times [2020-07-20 16:26:31,933 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 16:26:31,934 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1809889247] [2020-07-20 16:26:31,934 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 16:26:32,469 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 4 check-sat command(s) [2020-07-20 16:26:32,469 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-20 16:26:32,477 INFO L263 TraceCheckSpWp]: Trace formula consists of 698 conjuncts, 2 conjunts are in the unsatisfiable core [2020-07-20 16:26:32,481 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 16:26:32,499 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-20 16:26:32,499 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-20 16:26:32,499 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1809889247] [2020-07-20 16:26:32,500 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 16:26:32,500 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-20 16:26:32,500 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1326743397] [2020-07-20 16:26:32,501 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-20 16:26:32,501 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 16:26:32,501 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-20 16:26:32,502 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-20 16:26:32,502 INFO L87 Difference]: Start difference. First operand 129 states and 150 transitions. Second operand 3 states. [2020-07-20 16:26:32,517 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 16:26:32,518 INFO L93 Difference]: Finished difference Result 230 states and 273 transitions. [2020-07-20 16:26:32,518 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-20 16:26:32,518 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 64 [2020-07-20 16:26:32,519 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 16:26:32,520 INFO L225 Difference]: With dead ends: 230 [2020-07-20 16:26:32,521 INFO L226 Difference]: Without dead ends: 129 [2020-07-20 16:26:32,522 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 63 GetRequests, 62 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 16:26:32,523 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 129 states. [2020-07-20 16:26:32,532 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 129 to 129. [2020-07-20 16:26:32,533 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 129 states. [2020-07-20 16:26:32,534 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 129 states and 149 transitions. [2020-07-20 16:26:32,534 INFO L78 Accepts]: Start accepts. Automaton has 129 states and 149 transitions. Word has length 64 [2020-07-20 16:26:32,536 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 16:26:32,536 INFO L479 AbstractCegarLoop]: Abstraction has 129 states and 149 transitions. [2020-07-20 16:26:32,536 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-20 16:26:32,537 INFO L276 IsEmpty]: Start isEmpty. Operand 129 states and 149 transitions. [2020-07-20 16:26:32,539 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2020-07-20 16:26:32,539 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 16:26:32,540 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-20 16:26:32,752 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 16:26:32,753 INFO L427 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 16:26:32,753 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 16:26:32,754 INFO L82 PathProgramCache]: Analyzing trace with hash -745886990, now seen corresponding path program 1 times [2020-07-20 16:26:32,754 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 16:26:32,754 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1702206642] [2020-07-20 16:26:32,754 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 16:26:33,211 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 3 check-sat command(s) [2020-07-20 16:26:33,211 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-20 16:26:33,218 INFO L263 TraceCheckSpWp]: Trace formula consists of 695 conjuncts, 7 conjunts are in the unsatisfiable core [2020-07-20 16:26:33,222 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 16:26:33,269 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-20 16:26:33,269 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-20 16:26:33,270 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1702206642] [2020-07-20 16:26:33,270 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 16:26:33,270 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-07-20 16:26:33,270 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1697433026] [2020-07-20 16:26:33,272 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-07-20 16:26:33,272 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 16:26:33,272 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-07-20 16:26:33,277 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-07-20 16:26:33,278 INFO L87 Difference]: Start difference. First operand 129 states and 149 transitions. Second operand 6 states. [2020-07-20 16:26:33,855 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 16:26:33,856 INFO L93 Difference]: Finished difference Result 312 states and 379 transitions. [2020-07-20 16:26:33,856 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-07-20 16:26:33,856 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 77 [2020-07-20 16:26:33,857 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 16:26:33,860 INFO L225 Difference]: With dead ends: 312 [2020-07-20 16:26:33,860 INFO L226 Difference]: Without dead ends: 211 [2020-07-20 16:26:33,862 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 78 GetRequests, 73 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 16:26:33,863 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 211 states. [2020-07-20 16:26:33,882 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 211 to 196. [2020-07-20 16:26:33,883 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 196 states. [2020-07-20 16:26:33,884 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 196 states to 196 states and 223 transitions. [2020-07-20 16:26:33,884 INFO L78 Accepts]: Start accepts. Automaton has 196 states and 223 transitions. Word has length 77 [2020-07-20 16:26:33,885 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 16:26:33,885 INFO L479 AbstractCegarLoop]: Abstraction has 196 states and 223 transitions. [2020-07-20 16:26:33,885 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-07-20 16:26:33,885 INFO L276 IsEmpty]: Start isEmpty. Operand 196 states and 223 transitions. [2020-07-20 16:26:33,887 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2020-07-20 16:26:33,887 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 16:26:33,888 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-20 16:26:34,099 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 16:26:34,100 INFO L427 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 16:26:34,101 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 16:26:34,101 INFO L82 PathProgramCache]: Analyzing trace with hash -47194942, now seen corresponding path program 1 times [2020-07-20 16:26:34,101 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 16:26:34,102 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [849302756] [2020-07-20 16:26:34,102 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 16:26:34,500 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 4 check-sat command(s) [2020-07-20 16:26:34,500 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-20 16:26:34,504 INFO L263 TraceCheckSpWp]: Trace formula consists of 758 conjuncts, 11 conjunts are in the unsatisfiable core [2020-07-20 16:26:34,508 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 16:26:34,544 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-20 16:26:34,544 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-20 16:26:34,545 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [849302756] [2020-07-20 16:26:34,545 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 16:26:34,545 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-07-20 16:26:34,545 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1515941596] [2020-07-20 16:26:34,546 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-07-20 16:26:34,546 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 16:26:34,546 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-07-20 16:26:34,547 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2020-07-20 16:26:34,547 INFO L87 Difference]: Start difference. First operand 196 states and 223 transitions. Second operand 6 states. [2020-07-20 16:26:34,794 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 16:26:34,794 INFO L93 Difference]: Finished difference Result 367 states and 426 transitions. [2020-07-20 16:26:34,795 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-07-20 16:26:34,795 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 91 [2020-07-20 16:26:34,796 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 16:26:34,799 INFO L225 Difference]: With dead ends: 367 [2020-07-20 16:26:34,799 INFO L226 Difference]: Without dead ends: 199 [2020-07-20 16:26:34,800 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 92 GetRequests, 86 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2020-07-20 16:26:34,801 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 199 states. [2020-07-20 16:26:34,821 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 199 to 195. [2020-07-20 16:26:34,821 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 195 states. [2020-07-20 16:26:34,822 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 195 states to 195 states and 220 transitions. [2020-07-20 16:26:34,823 INFO L78 Accepts]: Start accepts. Automaton has 195 states and 220 transitions. Word has length 91 [2020-07-20 16:26:34,823 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 16:26:34,824 INFO L479 AbstractCegarLoop]: Abstraction has 195 states and 220 transitions. [2020-07-20 16:26:34,824 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-07-20 16:26:34,824 INFO L276 IsEmpty]: Start isEmpty. Operand 195 states and 220 transitions. [2020-07-20 16:26:34,825 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2020-07-20 16:26:34,825 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 16:26:34,826 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-20 16:26:35,038 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 16:26:35,039 INFO L427 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 16:26:35,040 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 16:26:35,040 INFO L82 PathProgramCache]: Analyzing trace with hash -238329201, now seen corresponding path program 1 times [2020-07-20 16:26:35,040 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 16:26:35,041 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1224000699] [2020-07-20 16:26:35,041 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 16:26:35,418 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 4 check-sat command(s) [2020-07-20 16:26:35,418 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-20 16:26:35,424 INFO L263 TraceCheckSpWp]: Trace formula consists of 761 conjuncts, 11 conjunts are in the unsatisfiable core [2020-07-20 16:26:35,428 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 16:26:35,462 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-20 16:26:35,462 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-20 16:26:35,462 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1224000699] [2020-07-20 16:26:35,463 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 16:26:35,463 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-07-20 16:26:35,463 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2079060526] [2020-07-20 16:26:35,464 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-07-20 16:26:35,464 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 16:26:35,464 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-07-20 16:26:35,464 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2020-07-20 16:26:35,465 INFO L87 Difference]: Start difference. First operand 195 states and 220 transitions. Second operand 6 states. [2020-07-20 16:26:35,524 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 16:26:35,525 INFO L93 Difference]: Finished difference Result 367 states and 421 transitions. [2020-07-20 16:26:35,525 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-07-20 16:26:35,525 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 92 [2020-07-20 16:26:35,526 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 16:26:35,528 INFO L225 Difference]: With dead ends: 367 [2020-07-20 16:26:35,528 INFO L226 Difference]: Without dead ends: 200 [2020-07-20 16:26:35,530 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 92 GetRequests, 87 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 16:26:35,531 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 200 states. [2020-07-20 16:26:35,549 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 200 to 200. [2020-07-20 16:26:35,549 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 200 states. [2020-07-20 16:26:35,551 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 200 states to 200 states and 225 transitions. [2020-07-20 16:26:35,551 INFO L78 Accepts]: Start accepts. Automaton has 200 states and 225 transitions. Word has length 92 [2020-07-20 16:26:35,552 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 16:26:35,552 INFO L479 AbstractCegarLoop]: Abstraction has 200 states and 225 transitions. [2020-07-20 16:26:35,552 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-07-20 16:26:35,553 INFO L276 IsEmpty]: Start isEmpty. Operand 200 states and 225 transitions. [2020-07-20 16:26:35,555 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2020-07-20 16:26:35,555 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 16:26:35,556 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-20 16:26:35,769 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 16:26:35,770 INFO L427 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 16:26:35,771 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 16:26:35,771 INFO L82 PathProgramCache]: Analyzing trace with hash 463270673, now seen corresponding path program 1 times [2020-07-20 16:26:35,772 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 16:26:35,772 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1801975970] [2020-07-20 16:26:35,772 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 16:26:35,970 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 1 check-sat command(s) [2020-07-20 16:26:35,970 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-20 16:26:35,972 INFO L263 TraceCheckSpWp]: Trace formula consists of 338 conjuncts, 5 conjunts are in the unsatisfiable core [2020-07-20 16:26:35,975 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 16:26:36,023 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-20 16:26:36,023 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-20 16:26:36,024 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1801975970] [2020-07-20 16:26:36,024 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 16:26:36,026 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-07-20 16:26:36,026 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1326740570] [2020-07-20 16:26:36,026 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-07-20 16:26:36,027 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 16:26:36,027 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-07-20 16:26:36,027 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-07-20 16:26:36,027 INFO L87 Difference]: Start difference. First operand 200 states and 225 transitions. Second operand 5 states. [2020-07-20 16:26:36,063 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 16:26:36,064 INFO L93 Difference]: Finished difference Result 379 states and 437 transitions. [2020-07-20 16:26:36,065 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-07-20 16:26:36,065 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 92 [2020-07-20 16:26:36,068 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 16:26:36,070 INFO L225 Difference]: With dead ends: 379 [2020-07-20 16:26:36,070 INFO L226 Difference]: Without dead ends: 207 [2020-07-20 16:26:36,072 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 91 GetRequests, 88 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 16:26:36,075 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 207 states. [2020-07-20 16:26:36,102 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 207 to 204. [2020-07-20 16:26:36,102 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 204 states. [2020-07-20 16:26:36,106 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 204 states to 204 states and 229 transitions. [2020-07-20 16:26:36,108 INFO L78 Accepts]: Start accepts. Automaton has 204 states and 229 transitions. Word has length 92 [2020-07-20 16:26:36,108 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 16:26:36,108 INFO L479 AbstractCegarLoop]: Abstraction has 204 states and 229 transitions. [2020-07-20 16:26:36,108 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-07-20 16:26:36,109 INFO L276 IsEmpty]: Start isEmpty. Operand 204 states and 229 transitions. [2020-07-20 16:26:36,112 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2020-07-20 16:26:36,112 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 16:26:36,113 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-20 16:26:36,313 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 16:26:36,314 INFO L427 AbstractCegarLoop]: === Iteration 8 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 16:26:36,314 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 16:26:36,314 INFO L82 PathProgramCache]: Analyzing trace with hash -2106215726, now seen corresponding path program 1 times [2020-07-20 16:26:36,315 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 16:26:36,315 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [68312569] [2020-07-20 16:26:36,316 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 16:26:36,730 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 3 check-sat command(s) [2020-07-20 16:26:36,731 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-20 16:26:36,735 INFO L263 TraceCheckSpWp]: Trace formula consists of 725 conjuncts, 10 conjunts are in the unsatisfiable core [2020-07-20 16:26:36,739 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 16:26:36,764 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-20 16:26:36,765 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-20 16:26:36,765 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [68312569] [2020-07-20 16:26:36,765 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 16:26:36,765 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-20 16:26:36,765 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [257884205] [2020-07-20 16:26:36,766 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-20 16:26:36,766 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 16:26:36,766 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-20 16:26:36,766 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-20 16:26:36,767 INFO L87 Difference]: Start difference. First operand 204 states and 229 transitions. Second operand 3 states. [2020-07-20 16:26:36,801 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 16:26:36,801 INFO L93 Difference]: Finished difference Result 528 states and 621 transitions. [2020-07-20 16:26:36,802 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-20 16:26:36,802 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 92 [2020-07-20 16:26:36,802 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 16:26:36,805 INFO L225 Difference]: With dead ends: 528 [2020-07-20 16:26:36,805 INFO L226 Difference]: Without dead ends: 352 [2020-07-20 16:26:36,806 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 91 GetRequests, 89 SyntacticMatches, 1 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 16:26:36,807 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 352 states. [2020-07-20 16:26:36,830 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 352 to 349. [2020-07-20 16:26:36,831 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 349 states. [2020-07-20 16:26:36,833 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 349 states to 349 states and 404 transitions. [2020-07-20 16:26:36,833 INFO L78 Accepts]: Start accepts. Automaton has 349 states and 404 transitions. Word has length 92 [2020-07-20 16:26:36,834 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 16:26:36,834 INFO L479 AbstractCegarLoop]: Abstraction has 349 states and 404 transitions. [2020-07-20 16:26:36,834 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-20 16:26:36,834 INFO L276 IsEmpty]: Start isEmpty. Operand 349 states and 404 transitions. [2020-07-20 16:26:36,836 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2020-07-20 16:26:36,836 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 16:26:36,837 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-20 16:26:37,049 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 16:26:37,050 INFO L427 AbstractCegarLoop]: === Iteration 9 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 16:26:37,051 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 16:26:37,051 INFO L82 PathProgramCache]: Analyzing trace with hash -302189332, now seen corresponding path program 1 times [2020-07-20 16:26:37,051 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 16:26:37,052 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [987394248] [2020-07-20 16:26:37,052 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 16:26:37,438 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 4 check-sat command(s) [2020-07-20 16:26:37,438 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-20 16:26:37,444 INFO L263 TraceCheckSpWp]: Trace formula consists of 771 conjuncts, 22 conjunts are in the unsatisfiable core [2020-07-20 16:26:37,447 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 16:26:37,560 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-20 16:26:37,560 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-20 16:26:37,560 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [987394248] [2020-07-20 16:26:37,561 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 16:26:37,561 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-07-20 16:26:37,561 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1001706181] [2020-07-20 16:26:37,561 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-07-20 16:26:37,562 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 16:26:37,562 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-07-20 16:26:37,562 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=68, Unknown=0, NotChecked=0, Total=90 [2020-07-20 16:26:37,562 INFO L87 Difference]: Start difference. First operand 349 states and 404 transitions. Second operand 10 states. [2020-07-20 16:26:38,789 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 16:26:38,790 INFO L93 Difference]: Finished difference Result 950 states and 1247 transitions. [2020-07-20 16:26:38,790 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2020-07-20 16:26:38,790 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 96 [2020-07-20 16:26:38,791 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 16:26:38,796 INFO L225 Difference]: With dead ends: 950 [2020-07-20 16:26:38,796 INFO L226 Difference]: Without dead ends: 629 [2020-07-20 16:26:38,798 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 105 GetRequests, 87 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 52 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=106, Invalid=274, Unknown=0, NotChecked=0, Total=380 [2020-07-20 16:26:38,799 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 629 states. [2020-07-20 16:26:38,837 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 629 to 467. [2020-07-20 16:26:38,837 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 467 states. [2020-07-20 16:26:38,840 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 467 states to 467 states and 551 transitions. [2020-07-20 16:26:38,840 INFO L78 Accepts]: Start accepts. Automaton has 467 states and 551 transitions. Word has length 96 [2020-07-20 16:26:38,841 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 16:26:38,841 INFO L479 AbstractCegarLoop]: Abstraction has 467 states and 551 transitions. [2020-07-20 16:26:38,841 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-07-20 16:26:38,841 INFO L276 IsEmpty]: Start isEmpty. Operand 467 states and 551 transitions. [2020-07-20 16:26:38,843 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 158 [2020-07-20 16:26:38,844 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 16:26:38,844 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-20 16:26:39,058 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 16:26:39,059 INFO L427 AbstractCegarLoop]: === Iteration 10 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 16:26:39,060 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 16:26:39,060 INFO L82 PathProgramCache]: Analyzing trace with hash -1029431621, now seen corresponding path program 1 times [2020-07-20 16:26:39,060 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 16:26:39,061 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1030606753] [2020-07-20 16:26:39,061 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 16:26:39,517 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 4 check-sat command(s) [2020-07-20 16:26:39,517 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-20 16:26:39,521 INFO L263 TraceCheckSpWp]: Trace formula consists of 917 conjuncts, 8 conjunts are in the unsatisfiable core [2020-07-20 16:26:39,525 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 16:26:39,596 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 27 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-20 16:26:39,596 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-07-20 16:26:39,974 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 22 proven. 7 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2020-07-20 16:26:39,974 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1030606753] [2020-07-20 16:26:39,974 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-07-20 16:26:39,975 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 10 [2020-07-20 16:26:39,975 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1583409194] [2020-07-20 16:26:39,975 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-07-20 16:26:39,975 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 16:26:39,976 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-07-20 16:26:39,976 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2020-07-20 16:26:39,976 INFO L87 Difference]: Start difference. First operand 467 states and 551 transitions. Second operand 10 states. [2020-07-20 16:26:40,628 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 16:26:40,628 INFO L93 Difference]: Finished difference Result 559 states and 674 transitions. [2020-07-20 16:26:40,630 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2020-07-20 16:26:40,630 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 157 [2020-07-20 16:26:40,631 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 16:26:40,632 INFO L225 Difference]: With dead ends: 559 [2020-07-20 16:26:40,632 INFO L226 Difference]: Without dead ends: 0 [2020-07-20 16:26:40,635 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 322 GetRequests, 301 SyntacticMatches, 5 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 65 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=83, Invalid=223, Unknown=0, NotChecked=0, Total=306 [2020-07-20 16:26:40,635 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-07-20 16:26:40,635 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-07-20 16:26:40,635 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-07-20 16:26:40,635 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-07-20 16:26:40,636 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 157 [2020-07-20 16:26:40,636 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 16:26:40,636 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-07-20 16:26:40,636 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-07-20 16:26:40,636 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-07-20 16:26:40,636 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-20 16:26:40,837 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 16:26:40,841 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-07-20 16:26:42,146 WARN L193 SmtUtils]: Spent 218.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 36 [2020-07-20 16:26:42,306 WARN L193 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 43 DAG size of output: 27 [2020-07-20 16:26:42,628 WARN L193 SmtUtils]: Spent 306.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 39 [2020-07-20 16:26:43,148 WARN L193 SmtUtils]: Spent 204.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 40 [2020-07-20 16:26:43,468 WARN L193 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 43 DAG size of output: 27 [2020-07-20 16:26:43,622 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 31 [2020-07-20 16:26:44,342 WARN L193 SmtUtils]: Spent 166.00 ms on a formula simplification. DAG size of input: 47 DAG size of output: 27 [2020-07-20 16:26:44,696 WARN L193 SmtUtils]: Spent 351.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 43 [2020-07-20 16:26:44,937 WARN L193 SmtUtils]: Spent 159.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 26 [2020-07-20 16:26:45,196 WARN L193 SmtUtils]: Spent 173.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 26 [2020-07-20 16:26:45,295 INFO L268 CegarLoopResult]: For program point L668(lines 645 669) no Hoare annotation was computed. [2020-07-20 16:26:45,296 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeFINAL(lines 621 676) no Hoare annotation was computed. [2020-07-20 16:26:45,296 INFO L268 CegarLoopResult]: For program point L652(lines 652 656) no Hoare annotation was computed. [2020-07-20 16:26:45,296 INFO L268 CegarLoopResult]: For program point L652-1(lines 652 656) no Hoare annotation was computed. [2020-07-20 16:26:45,296 INFO L268 CegarLoopResult]: For program point L647(line 647) no Hoare annotation was computed. [2020-07-20 16:26:45,296 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeEXIT(lines 621 676) no Hoare annotation was computed. [2020-07-20 16:26:45,296 INFO L268 CegarLoopResult]: For program point L646-2(lines 646 667) no Hoare annotation was computed. [2020-07-20 16:26:45,297 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeENTRY(lines 621 676) no Hoare annotation was computed. [2020-07-20 16:26:45,297 INFO L268 CegarLoopResult]: For program point L704(line 704) no Hoare annotation was computed. [2020-07-20 16:26:45,297 INFO L268 CegarLoopResult]: For program point L703-2(lines 703 728) no Hoare annotation was computed. [2020-07-20 16:26:45,297 INFO L268 CegarLoopResult]: For program point L729(lines 702 730) no Hoare annotation was computed. [2020-07-20 16:26:45,297 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetFINAL(lines 677 736) no Hoare annotation was computed. [2020-07-20 16:26:45,297 INFO L268 CegarLoopResult]: For program point L722(line 722) no Hoare annotation was computed. [2020-07-20 16:26:45,298 INFO L268 CegarLoopResult]: For program point L722-1(line 722) no Hoare annotation was computed. [2020-07-20 16:26:45,298 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetENTRY(lines 677 736) no Hoare annotation was computed. [2020-07-20 16:26:45,298 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetEXIT(lines 677 736) no Hoare annotation was computed. [2020-07-20 16:26:45,298 INFO L268 CegarLoopResult]: For program point L709(lines 709 713) no Hoare annotation was computed. [2020-07-20 16:26:45,298 INFO L268 CegarLoopResult]: For program point L709-1(lines 709 713) no Hoare annotation was computed. [2020-07-20 16:26:45,299 INFO L271 CegarLoopResult]: At program point select_helpersFINAL(lines 552 558) the Hoare annotation is: true [2020-07-20 16:26:45,299 INFO L268 CegarLoopResult]: For program point select_helpersEXIT(lines 552 558) no Hoare annotation was computed. [2020-07-20 16:26:45,299 INFO L268 CegarLoopResult]: For program point valid_productEXIT(lines 559 567) no Hoare annotation was computed. [2020-07-20 16:26:45,299 INFO L271 CegarLoopResult]: At program point valid_productENTRY(lines 559 567) the Hoare annotation is: true [2020-07-20 16:26:45,299 INFO L268 CegarLoopResult]: For program point valid_productFINAL(lines 559 567) no Hoare annotation was computed. [2020-07-20 16:26:45,299 INFO L271 CegarLoopResult]: At program point __utac_acc__Specification5_spec__1ENTRY(lines 936 943) the Hoare annotation is: true [2020-07-20 16:26:45,300 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification5_spec__1EXIT(lines 936 943) no Hoare annotation was computed. [2020-07-20 16:26:45,300 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification5_spec__1FINAL(lines 936 943) no Hoare annotation was computed. [2020-07-20 16:26:45,300 INFO L264 CegarLoopResult]: At program point __utac_acc__Specification5_spec__2ENTRY(lines 944 953) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~systemActive~0))) (.cse1 (not (<= ~waterLevel~0 2)))) (and (or (<= ~pumpRunning~0 ~switchedOnBeforeTS~0) .cse0 .cse1 (not (<= ~pumpRunning~0 |old(~switchedOnBeforeTS~0)|)) (not (<= 1 ~pumpRunning~0))) (or .cse0 (not (<= 1 |old(~switchedOnBeforeTS~0)|)) .cse1 (<= 1 ~switchedOnBeforeTS~0) (not (= 0 ~pumpRunning~0))))) [2020-07-20 16:26:45,300 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification5_spec__2EXIT(lines 944 953) no Hoare annotation was computed. [2020-07-20 16:26:45,300 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification5_spec__2FINAL(lines 944 953) no Hoare annotation was computed. [2020-07-20 16:26:45,301 INFO L268 CegarLoopResult]: For program point L949(line 949) no Hoare annotation was computed. [2020-07-20 16:26:45,301 INFO L268 CegarLoopResult]: For program point L962-1(lines 954 982) no Hoare annotation was computed. [2020-07-20 16:26:45,301 INFO L271 CegarLoopResult]: At program point L960(line 960) the Hoare annotation is: true [2020-07-20 16:26:45,301 INFO L268 CegarLoopResult]: For program point L960-1(line 960) no Hoare annotation was computed. [2020-07-20 16:26:45,301 INFO L271 CegarLoopResult]: At program point __utac_acc__Specification5_spec__3ENTRY(lines 954 982) the Hoare annotation is: true [2020-07-20 16:26:45,301 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification5_spec__3EXIT(lines 954 982) no Hoare annotation was computed. [2020-07-20 16:26:45,302 INFO L264 CegarLoopResult]: At program point L969(line 969) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~systemActive~0))) (.cse1 (not (<= ~waterLevel~0 2))) (.cse2 (not (<= 1 ~pumpRunning~0)))) (and (or .cse0 .cse1 (not (= 0 ~pumpRunning~0))) (or .cse0 (not (<= ~pumpRunning~0 ~switchedOnBeforeTS~0)) (not (<= ~waterLevel~0 1)) .cse2) (or .cse0 .cse1 (not (<= 2 ~waterLevel~0)) .cse2))) [2020-07-20 16:26:45,302 INFO L268 CegarLoopResult]: For program point L967(lines 967 973) no Hoare annotation was computed. [2020-07-20 16:26:45,302 INFO L268 CegarLoopResult]: For program point L966(lines 966 976) no Hoare annotation was computed. [2020-07-20 16:26:45,302 INFO L264 CegarLoopResult]: At program point L964(line 964) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~systemActive~0))) (.cse1 (not (<= ~waterLevel~0 2))) (.cse2 (not (<= 2 ~waterLevel~0)))) (and (or .cse0 .cse1 .cse2 (not (= 0 ~pumpRunning~0))) (or .cse0 .cse1 .cse2 (not (<= 1 ~pumpRunning~0))))) [2020-07-20 16:26:45,302 INFO L268 CegarLoopResult]: For program point L964-1(line 964) no Hoare annotation was computed. [2020-07-20 16:26:45,303 INFO L268 CegarLoopResult]: For program point L962(lines 962 979) no Hoare annotation was computed. [2020-07-20 16:26:45,303 INFO L264 CegarLoopResult]: At program point mainENTRY(lines 510 532) the Hoare annotation is: (or (not (<= |old(~waterLevel~0)| 1)) (not (<= 1 ~systemActive~0)) (not (= 0 |old(~pumpRunning~0)|)) (and (<= ~waterLevel~0 |old(~waterLevel~0)|) (= 0 ~pumpRunning~0))) [2020-07-20 16:26:45,303 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 510 532) no Hoare annotation was computed. [2020-07-20 16:26:45,303 INFO L268 CegarLoopResult]: For program point mainFINAL(lines 510 532) no Hoare annotation was computed. [2020-07-20 16:26:45,303 INFO L264 CegarLoopResult]: At program point L522(line 522) the Hoare annotation is: (or (not (<= |old(~waterLevel~0)| 1)) (not (<= 1 ~systemActive~0)) (not (= 0 |old(~pumpRunning~0)|)) (and (<= ~waterLevel~0 |old(~waterLevel~0)|) (= 0 ~pumpRunning~0))) [2020-07-20 16:26:45,304 INFO L264 CegarLoopResult]: At program point L522-1(line 522) the Hoare annotation is: (or (not (<= |old(~waterLevel~0)| 1)) (not (<= 1 ~systemActive~0)) (not (= 0 |old(~pumpRunning~0)|)) (and (<= ~waterLevel~0 |old(~waterLevel~0)|) (= 0 ~pumpRunning~0))) [2020-07-20 16:26:45,304 INFO L268 CegarLoopResult]: For program point L520(lines 520 527) no Hoare annotation was computed. [2020-07-20 16:26:45,304 INFO L268 CegarLoopResult]: For program point L520-1(lines 520 527) no Hoare annotation was computed. [2020-07-20 16:26:45,304 INFO L268 CegarLoopResult]: For program point L518(line 518) no Hoare annotation was computed. [2020-07-20 16:26:45,304 INFO L264 CegarLoopResult]: At program point L517(line 517) the Hoare annotation is: (or (not (<= |old(~waterLevel~0)| 1)) (not (<= 1 ~systemActive~0)) (not (= 0 |old(~pumpRunning~0)|)) (and (<= ~waterLevel~0 |old(~waterLevel~0)|) (= 0 ~pumpRunning~0))) [2020-07-20 16:26:45,304 INFO L264 CegarLoopResult]: At program point L516(line 516) the Hoare annotation is: (or (not (<= |old(~waterLevel~0)| 1)) (not (<= 1 ~systemActive~0)) (not (= 0 |old(~pumpRunning~0)|)) (and (<= ~waterLevel~0 |old(~waterLevel~0)|) (= 0 ~pumpRunning~0))) [2020-07-20 16:26:45,305 INFO L264 CegarLoopResult]: At program point L516-1(line 516) the Hoare annotation is: (or (not (<= |old(~waterLevel~0)| 1)) (not (<= 1 ~systemActive~0)) (not (= 0 |old(~pumpRunning~0)|)) (and (<= ~waterLevel~0 |old(~waterLevel~0)|) (= 0 ~pumpRunning~0))) [2020-07-20 16:26:45,305 INFO L268 CegarLoopResult]: For program point L481(line 481) no Hoare annotation was computed. [2020-07-20 16:26:45,305 INFO L268 CegarLoopResult]: For program point L480(line 480) no Hoare annotation was computed. [2020-07-20 16:26:45,305 INFO L268 CegarLoopResult]: For program point Specification2EXIT(lines 464 487) no Hoare annotation was computed. [2020-07-20 16:26:45,305 INFO L268 CegarLoopResult]: For program point L479(line 479) no Hoare annotation was computed. [2020-07-20 16:26:45,305 INFO L268 CegarLoopResult]: For program point L478(line 478) no Hoare annotation was computed. [2020-07-20 16:26:45,305 INFO L268 CegarLoopResult]: For program point L477(line 477) no Hoare annotation was computed. [2020-07-20 16:26:45,306 INFO L268 CegarLoopResult]: For program point Specification2ENTRY(lines 464 487) no Hoare annotation was computed. [2020-07-20 16:26:45,306 INFO L268 CegarLoopResult]: For program point L476(line 476) no Hoare annotation was computed. [2020-07-20 16:26:45,306 INFO L268 CegarLoopResult]: For program point Specification2FINAL(lines 464 487) no Hoare annotation was computed. [2020-07-20 16:26:45,306 INFO L268 CegarLoopResult]: For program point L475(line 475) no Hoare annotation was computed. [2020-07-20 16:26:45,306 INFO L268 CegarLoopResult]: For program point L474(line 474) no Hoare annotation was computed. [2020-07-20 16:26:45,306 INFO L268 CegarLoopResult]: For program point L473(line 473) no Hoare annotation was computed. [2020-07-20 16:26:45,307 INFO L268 CegarLoopResult]: For program point L472(line 472) no Hoare annotation was computed. [2020-07-20 16:26:45,307 INFO L268 CegarLoopResult]: For program point L471(line 471) no Hoare annotation was computed. [2020-07-20 16:26:45,307 INFO L268 CegarLoopResult]: For program point L470(line 470) no Hoare annotation was computed. [2020-07-20 16:26:45,307 INFO L268 CegarLoopResult]: For program point L469(line 469) no Hoare annotation was computed. [2020-07-20 16:26:45,307 INFO L268 CegarLoopResult]: For program point L482(line 482) no Hoare annotation was computed. [2020-07-20 16:26:45,307 INFO L268 CegarLoopResult]: For program point isPumpRunningEXIT(lines 168 176) no Hoare annotation was computed. [2020-07-20 16:26:45,308 INFO L271 CegarLoopResult]: At program point isPumpRunningENTRY(lines 168 176) the Hoare annotation is: true [2020-07-20 16:26:45,308 INFO L268 CegarLoopResult]: For program point isPumpRunningFINAL(lines 168 176) no Hoare annotation was computed. [2020-07-20 16:26:45,308 INFO L268 CegarLoopResult]: For program point L241(lines 241 245) no Hoare annotation was computed. [2020-07-20 16:26:45,308 INFO L271 CegarLoopResult]: At program point L239(line 239) the Hoare annotation is: true [2020-07-20 16:26:45,308 INFO L268 CegarLoopResult]: For program point L241-2(lines 241 245) no Hoare annotation was computed. [2020-07-20 16:26:45,308 INFO L268 CegarLoopResult]: For program point L239-1(line 239) no Hoare annotation was computed. [2020-07-20 16:26:45,308 INFO L271 CegarLoopResult]: At program point isLowWaterLevelENTRY(lines 232 250) the Hoare annotation is: true [2020-07-20 16:26:45,309 INFO L268 CegarLoopResult]: For program point isLowWaterLevelEXIT(lines 232 250) no Hoare annotation was computed. [2020-07-20 16:26:45,309 INFO L268 CegarLoopResult]: For program point isLowWaterLevelFINAL(lines 232 250) no Hoare annotation was computed. [2020-07-20 16:26:45,310 INFO L268 CegarLoopResult]: For program point L184(lines 184 192) no Hoare annotation was computed. [2020-07-20 16:26:45,310 INFO L268 CegarLoopResult]: For program point L184-2(lines 184 192) no Hoare annotation was computed. [2020-07-20 16:26:45,310 INFO L268 CegarLoopResult]: For program point L207(line 207) no Hoare annotation was computed. [2020-07-20 16:26:45,310 INFO L268 CegarLoopResult]: For program point printPumpFINAL(lines 177 212) no Hoare annotation was computed. [2020-07-20 16:26:45,310 INFO L268 CegarLoopResult]: For program point L207-1(line 207) no Hoare annotation was computed. [2020-07-20 16:26:45,310 INFO L268 CegarLoopResult]: For program point printPumpENTRY(lines 177 212) no Hoare annotation was computed. [2020-07-20 16:26:45,310 INFO L268 CegarLoopResult]: For program point L196(lines 196 204) no Hoare annotation was computed. [2020-07-20 16:26:45,312 INFO L268 CegarLoopResult]: For program point printPumpEXIT(lines 177 212) no Hoare annotation was computed. [2020-07-20 16:26:45,312 INFO L268 CegarLoopResult]: For program point L196-2(lines 196 204) no Hoare annotation was computed. [2020-07-20 16:26:45,312 INFO L268 CegarLoopResult]: For program point select_featuresEXIT(lines 545 551) no Hoare annotation was computed. [2020-07-20 16:26:45,312 INFO L271 CegarLoopResult]: At program point select_featuresFINAL(lines 545 551) the Hoare annotation is: true [2020-07-20 16:26:45,312 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setENTRY(lines 575 620) no Hoare annotation was computed. [2020-07-20 16:26:45,312 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setEXIT(lines 575 620) no Hoare annotation was computed. [2020-07-20 16:26:45,312 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setFINAL(lines 575 620) no Hoare annotation was computed. [2020-07-20 16:26:45,312 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeFINAL(lines 888 933) no Hoare annotation was computed. [2020-07-20 16:26:45,313 INFO L268 CegarLoopResult]: For program point L908(lines 908 915) no Hoare annotation was computed. [2020-07-20 16:26:45,313 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeENTRY(lines 888 933) no Hoare annotation was computed. [2020-07-20 16:26:45,315 INFO L268 CegarLoopResult]: For program point L902(lines 902 922) no Hoare annotation was computed. [2020-07-20 16:26:45,315 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeEXIT(lines 888 933) no Hoare annotation was computed. [2020-07-20 16:26:45,315 INFO L268 CegarLoopResult]: For program point L902-1(lines 902 922) no Hoare annotation was computed. [2020-07-20 16:26:45,315 INFO L264 CegarLoopResult]: At program point runTestENTRY(lines 496 506) the Hoare annotation is: (or (not (<= |old(~waterLevel~0)| 1)) (not (<= 1 ~systemActive~0)) (not (= 0 |old(~pumpRunning~0)|)) (and (<= ~waterLevel~0 |old(~waterLevel~0)|) (= 0 ~pumpRunning~0))) [2020-07-20 16:26:45,315 INFO L268 CegarLoopResult]: For program point runTestEXIT(lines 496 506) no Hoare annotation was computed. [2020-07-20 16:26:45,316 INFO L268 CegarLoopResult]: For program point runTestFINAL(lines 496 506) no Hoare annotation was computed. [2020-07-20 16:26:45,316 INFO L264 CegarLoopResult]: At program point L501(line 501) the Hoare annotation is: (or (not (<= |old(~waterLevel~0)| 1)) (not (<= 1 ~systemActive~0)) (not (= 0 |old(~pumpRunning~0)|)) (and (<= ~waterLevel~0 |old(~waterLevel~0)|) (= 0 ~pumpRunning~0))) [2020-07-20 16:26:45,316 INFO L268 CegarLoopResult]: For program point L162-1(line 162) no Hoare annotation was computed. [2020-07-20 16:26:45,316 INFO L268 CegarLoopResult]: For program point isMethaneAlarmENTRY(lines 157 167) no Hoare annotation was computed. [2020-07-20 16:26:45,316 INFO L268 CegarLoopResult]: For program point isMethaneAlarmEXIT(lines 157 167) no Hoare annotation was computed. [2020-07-20 16:26:45,316 INFO L268 CegarLoopResult]: For program point isMethaneAlarmFINAL(lines 157 167) no Hoare annotation was computed. [2020-07-20 16:26:45,316 INFO L268 CegarLoopResult]: For program point L162(line 162) no Hoare annotation was computed. [2020-07-20 16:26:45,316 INFO L264 CegarLoopResult]: At program point deactivatePumpENTRY(lines 149 156) the Hoare annotation is: (or (not (<= 1 ~systemActive~0)) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (<= 1 |old(~pumpRunning~0)|)) (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0)) (not (<= ~waterLevel~0 1))) [2020-07-20 16:26:45,317 INFO L268 CegarLoopResult]: For program point deactivatePumpEXIT(lines 149 156) no Hoare annotation was computed. [2020-07-20 16:26:45,317 INFO L268 CegarLoopResult]: For program point deactivatePumpFINAL(lines 149 156) no Hoare annotation was computed. [2020-07-20 16:26:45,317 INFO L268 CegarLoopResult]: For program point isHighWaterSensorDryEXIT(lines 400 413) no Hoare annotation was computed. [2020-07-20 16:26:45,317 INFO L268 CegarLoopResult]: For program point L404(lines 404 410) no Hoare annotation was computed. [2020-07-20 16:26:45,317 INFO L271 CegarLoopResult]: At program point isHighWaterSensorDryENTRY(lines 400 413) the Hoare annotation is: true [2020-07-20 16:26:45,317 INFO L268 CegarLoopResult]: For program point isHighWaterSensorDryFINAL(lines 400 413) no Hoare annotation was computed. [2020-07-20 16:26:45,317 INFO L264 CegarLoopResult]: At program point L126(line 126) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~systemActive~0)))) (and (or .cse0 (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (<= 1 |old(~pumpRunning~0)|)) (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0)) (not (<= ~waterLevel~0 1))) (or .cse0 (not (<= ~waterLevel~0 2)) (not (= 0 |old(~pumpRunning~0)|))))) [2020-07-20 16:26:45,317 INFO L268 CegarLoopResult]: For program point L124(lines 124 132) no Hoare annotation was computed. [2020-07-20 16:26:45,318 INFO L264 CegarLoopResult]: At program point L122(line 122) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~systemActive~0)))) (and (or .cse0 (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (<= 1 |old(~pumpRunning~0)|)) (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0)) (not (<= ~waterLevel~0 1))) (or .cse0 (not (<= ~waterLevel~0 2)) (not (= 0 |old(~pumpRunning~0)|))))) [2020-07-20 16:26:45,318 INFO L268 CegarLoopResult]: For program point L122-1(line 122) no Hoare annotation was computed. [2020-07-20 16:26:45,318 INFO L268 CegarLoopResult]: For program point L120(lines 120 137) no Hoare annotation was computed. [2020-07-20 16:26:45,318 INFO L268 CegarLoopResult]: For program point processEnvironmentEXIT(lines 116 140) no Hoare annotation was computed. [2020-07-20 16:26:45,318 INFO L264 CegarLoopResult]: At program point processEnvironmentENTRY(lines 116 140) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~systemActive~0)))) (and (or .cse0 (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (<= 1 |old(~pumpRunning~0)|)) (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0)) (not (<= ~waterLevel~0 1))) (or .cse0 (not (<= ~waterLevel~0 2)) (not (= 0 |old(~pumpRunning~0)|)) (= 0 ~pumpRunning~0)))) [2020-07-20 16:26:45,318 INFO L264 CegarLoopResult]: At program point L135(line 135) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~systemActive~0)))) (and (or .cse0 (not (<= 1 |old(~pumpRunning~0)|)) (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0)) (not (<= ~waterLevel~0 1))) (or .cse0 (not (<= ~waterLevel~0 2)) (not (= 0 |old(~pumpRunning~0)|)) (= 0 ~pumpRunning~0)))) [2020-07-20 16:26:45,318 INFO L268 CegarLoopResult]: For program point L135-1(lines 116 140) no Hoare annotation was computed. [2020-07-20 16:26:45,319 INFO L264 CegarLoopResult]: At program point L130(line 130) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~systemActive~0)))) (and (or .cse0 (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (<= 1 |old(~pumpRunning~0)|)) (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0)) (not (<= ~waterLevel~0 1))) (or .cse0 (not (<= ~waterLevel~0 2)) (not (= 0 |old(~pumpRunning~0)|))))) [2020-07-20 16:26:45,319 INFO L268 CegarLoopResult]: For program point processEnvironment__wrappee__baseEXIT(lines 82 88) no Hoare annotation was computed. [2020-07-20 16:26:45,319 INFO L271 CegarLoopResult]: At program point processEnvironment__wrappee__baseFINAL(lines 82 88) the Hoare annotation is: true [2020-07-20 16:26:45,319 INFO L264 CegarLoopResult]: At program point testENTRY(lines 255 318) the Hoare annotation is: (or (not (<= |old(~waterLevel~0)| 1)) (not (<= 1 ~systemActive~0)) (not (= 0 |old(~pumpRunning~0)|)) (and (<= ~waterLevel~0 |old(~waterLevel~0)|) (= 0 ~pumpRunning~0))) [2020-07-20 16:26:45,319 INFO L264 CegarLoopResult]: At program point L287(line 287) the Hoare annotation is: (let ((.cse2 (<= 1 ~pumpRunning~0)) (.cse0 (<= ~waterLevel~0 2)) (.cse1 (<= test_~splverifierCounter~0 0))) (or (and (<= 2 ~waterLevel~0) .cse0 .cse1 .cse2) (not (<= |old(~waterLevel~0)| 1)) (not (<= 1 ~systemActive~0)) (and (<= ~pumpRunning~0 ~switchedOnBeforeTS~0) .cse0 .cse1 .cse2) (not (= 0 |old(~pumpRunning~0)|)) (and .cse0 (= 0 ~pumpRunning~0) .cse1))) [2020-07-20 16:26:45,319 INFO L268 CegarLoopResult]: For program point L285(lines 285 291) no Hoare annotation was computed. [2020-07-20 16:26:45,320 INFO L268 CegarLoopResult]: For program point L285-1(lines 285 291) no Hoare annotation was computed. [2020-07-20 16:26:45,320 INFO L268 CegarLoopResult]: For program point testFINAL(lines 255 318) no Hoare annotation was computed. [2020-07-20 16:26:45,320 INFO L264 CegarLoopResult]: At program point L277(line 277) the Hoare annotation is: (let ((.cse0 (<= ~waterLevel~0 2)) (.cse1 (<= test_~splverifierCounter~0 0)) (.cse2 (<= 1 ~pumpRunning~0))) (or (not (<= |old(~waterLevel~0)| 1)) (and (<= 2 ~waterLevel~0) .cse0 .cse1 .cse2) (not (<= 1 ~systemActive~0)) (not (= 0 |old(~pumpRunning~0)|)) (and .cse0 (= 0 ~pumpRunning~0) .cse1) (and (<= ~pumpRunning~0 ~switchedOnBeforeTS~0) (<= ~waterLevel~0 1) .cse1 .cse2))) [2020-07-20 16:26:45,320 INFO L264 CegarLoopResult]: At program point L308(lines 265 310) the Hoare annotation is: (let ((.cse0 (<= ~waterLevel~0 2)) (.cse1 (<= test_~splverifierCounter~0 0)) (.cse2 (<= 1 ~pumpRunning~0))) (or (not (<= |old(~waterLevel~0)| 1)) (and (<= 2 ~waterLevel~0) .cse0 .cse1 .cse2) (not (<= 1 ~systemActive~0)) (not (= 0 |old(~pumpRunning~0)|)) (and .cse0 (= 0 ~pumpRunning~0) .cse1) (and (<= ~pumpRunning~0 ~switchedOnBeforeTS~0) (<= ~waterLevel~0 1) .cse1 .cse2))) [2020-07-20 16:26:45,320 INFO L268 CegarLoopResult]: For program point L275(lines 275 281) no Hoare annotation was computed. [2020-07-20 16:26:45,320 INFO L268 CegarLoopResult]: For program point L275-1(lines 275 281) no Hoare annotation was computed. [2020-07-20 16:26:45,320 INFO L268 CegarLoopResult]: For program point L267(lines 267 271) no Hoare annotation was computed. [2020-07-20 16:26:45,321 INFO L264 CegarLoopResult]: At program point L311(lines 264 312) the Hoare annotation is: (or (not (<= |old(~waterLevel~0)| 1)) (not (= 0 |old(~pumpRunning~0)|)) (not (<= 1 ~systemActive~0))) [2020-07-20 16:26:45,321 INFO L268 CegarLoopResult]: For program point L301(lines 301 305) no Hoare annotation was computed. [2020-07-20 16:26:45,321 INFO L264 CegarLoopResult]: At program point L301-2(lines 295 306) the Hoare annotation is: (let ((.cse2 (<= 1 ~pumpRunning~0)) (.cse0 (<= ~waterLevel~0 2)) (.cse1 (<= test_~splverifierCounter~0 0))) (or (and (<= 2 ~waterLevel~0) .cse0 .cse1 .cse2) (not (<= |old(~waterLevel~0)| 1)) (not (<= 1 ~systemActive~0)) (and (<= ~pumpRunning~0 ~switchedOnBeforeTS~0) .cse0 .cse1 .cse2) (not (= 0 |old(~pumpRunning~0)|)) (and .cse0 (= 0 ~pumpRunning~0) .cse1))) [2020-07-20 16:26:45,321 INFO L268 CegarLoopResult]: For program point L266(lines 265 310) no Hoare annotation was computed. [2020-07-20 16:26:45,321 INFO L268 CegarLoopResult]: For program point L295(lines 295 306) no Hoare annotation was computed. [2020-07-20 16:26:45,321 INFO L268 CegarLoopResult]: For program point testEXIT(lines 255 318) no Hoare annotation was computed. [2020-07-20 16:26:45,321 INFO L268 CegarLoopResult]: For program point L862(lines 862 869) no Hoare annotation was computed. [2020-07-20 16:26:45,321 INFO L268 CegarLoopResult]: For program point __utac__get_this_argENTRY(lines 842 887) no Hoare annotation was computed. [2020-07-20 16:26:45,322 INFO L268 CegarLoopResult]: For program point L856(lines 856 876) no Hoare annotation was computed. [2020-07-20 16:26:45,322 INFO L268 CegarLoopResult]: For program point L856-1(lines 856 876) no Hoare annotation was computed. [2020-07-20 16:26:45,322 INFO L268 CegarLoopResult]: For program point __utac__get_this_argEXIT(lines 842 887) no Hoare annotation was computed. [2020-07-20 16:26:45,322 INFO L268 CegarLoopResult]: For program point __utac__get_this_argFINAL(lines 842 887) no Hoare annotation was computed. [2020-07-20 16:26:45,322 INFO L268 CegarLoopResult]: For program point isLowWaterSensorDryFINAL(lines 414 422) no Hoare annotation was computed. [2020-07-20 16:26:45,322 INFO L271 CegarLoopResult]: At program point isLowWaterSensorDryENTRY(lines 414 422) the Hoare annotation is: true [2020-07-20 16:26:45,323 INFO L268 CegarLoopResult]: For program point isLowWaterSensorDryEXIT(lines 414 422) no Hoare annotation was computed. [2020-07-20 16:26:45,324 INFO L268 CegarLoopResult]: For program point printEnvironmentEXIT(lines 368 390) no Hoare annotation was computed. [2020-07-20 16:26:45,324 INFO L268 CegarLoopResult]: For program point L376(lines 376 384) no Hoare annotation was computed. [2020-07-20 16:26:45,324 INFO L268 CegarLoopResult]: For program point L376-2(lines 376 384) no Hoare annotation was computed. [2020-07-20 16:26:45,324 INFO L268 CegarLoopResult]: For program point printEnvironmentENTRY(lines 368 390) no Hoare annotation was computed. [2020-07-20 16:26:45,324 INFO L268 CegarLoopResult]: For program point printEnvironmentFINAL(lines 368 390) no Hoare annotation was computed. [2020-07-20 16:26:45,324 INFO L268 CegarLoopResult]: For program point select_oneENTRY(lines 535 544) no Hoare annotation was computed. [2020-07-20 16:26:45,324 INFO L268 CegarLoopResult]: For program point select_oneFINAL(lines 535 544) no Hoare annotation was computed. [2020-07-20 16:26:45,324 INFO L268 CegarLoopResult]: For program point select_oneEXIT(lines 535 544) no Hoare annotation was computed. [2020-07-20 16:26:45,325 INFO L268 CegarLoopResult]: For program point L768(lines 768 784) no Hoare annotation was computed. [2020-07-20 16:26:45,325 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtENTRY(lines 739 841) no Hoare annotation was computed. [2020-07-20 16:26:45,325 INFO L268 CegarLoopResult]: For program point L828(lines 828 835) no Hoare annotation was computed. [2020-07-20 16:26:45,325 INFO L268 CegarLoopResult]: For program point L789(lines 788 808) no Hoare annotation was computed. [2020-07-20 16:26:45,325 INFO L268 CegarLoopResult]: For program point L820(line 820) no Hoare annotation was computed. [2020-07-20 16:26:45,325 INFO L268 CegarLoopResult]: For program point L820-1(line 820) no Hoare annotation was computed. [2020-07-20 16:26:45,325 INFO L268 CegarLoopResult]: For program point L785(lines 785 826) no Hoare annotation was computed. [2020-07-20 16:26:45,326 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtFINAL(lines 739 841) no Hoare annotation was computed. [2020-07-20 16:26:45,326 INFO L268 CegarLoopResult]: For program point L804(line 804) no Hoare annotation was computed. [2020-07-20 16:26:45,327 INFO L268 CegarLoopResult]: For program point L804-1(line 804) no Hoare annotation was computed. [2020-07-20 16:26:45,327 INFO L268 CegarLoopResult]: For program point L763(lines 763 767) no Hoare annotation was computed. [2020-07-20 16:26:45,327 INFO L268 CegarLoopResult]: For program point L827(lines 827 838) no Hoare annotation was computed. [2020-07-20 16:26:45,327 INFO L268 CegarLoopResult]: For program point L790(lines 790 794) no Hoare annotation was computed. [2020-07-20 16:26:45,327 INFO L268 CegarLoopResult]: For program point L788-2(lines 788 808) no Hoare annotation was computed. [2020-07-20 16:26:45,327 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtEXIT(lines 739 841) no Hoare annotation was computed. [2020-07-20 16:26:45,327 INFO L268 CegarLoopResult]: For program point L809(lines 787 810) no Hoare annotation was computed. [2020-07-20 16:26:45,327 INFO L268 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-07-20 16:26:45,328 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 16:26:45,328 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-07-20 16:26:45,328 INFO L268 CegarLoopResult]: For program point activatePumpFINAL(lines 141 148) no Hoare annotation was computed. [2020-07-20 16:26:45,328 INFO L268 CegarLoopResult]: For program point activatePumpEXIT(lines 141 148) no Hoare annotation was computed. [2020-07-20 16:26:45,328 INFO L264 CegarLoopResult]: At program point activatePumpENTRY(lines 141 148) the Hoare annotation is: (or (not (<= 1 ~systemActive~0)) (not (<= ~waterLevel~0 2)) (not (= 0 |old(~pumpRunning~0)|)) (= 0 ~pumpRunning~0) (not (<= 2 ~waterLevel~0))) [2020-07-20 16:26:45,328 INFO L268 CegarLoopResult]: For program point isHighWaterLevelEXIT(lines 213 231) no Hoare annotation was computed. [2020-07-20 16:26:45,328 INFO L268 CegarLoopResult]: For program point L222(lines 222 226) no Hoare annotation was computed. [2020-07-20 16:26:45,328 INFO L271 CegarLoopResult]: At program point L220(line 220) the Hoare annotation is: true [2020-07-20 16:26:45,329 INFO L268 CegarLoopResult]: For program point L222-2(lines 222 226) no Hoare annotation was computed. [2020-07-20 16:26:45,329 INFO L268 CegarLoopResult]: For program point L220-1(line 220) no Hoare annotation was computed. [2020-07-20 16:26:45,329 INFO L271 CegarLoopResult]: At program point isHighWaterLevelENTRY(lines 213 231) the Hoare annotation is: true [2020-07-20 16:26:45,329 INFO L268 CegarLoopResult]: For program point isHighWaterLevelFINAL(lines 213 231) no Hoare annotation was computed. [2020-07-20 16:26:45,329 INFO L271 CegarLoopResult]: At program point getWaterLevelENTRY(lines 391 399) the Hoare annotation is: true [2020-07-20 16:26:45,329 INFO L268 CegarLoopResult]: For program point getWaterLevelFINAL(lines 391 399) no Hoare annotation was computed. [2020-07-20 16:26:45,329 INFO L268 CegarLoopResult]: For program point getWaterLevelEXIT(lines 391 399) no Hoare annotation was computed. [2020-07-20 16:26:45,329 INFO L268 CegarLoopResult]: For program point L351-1(lines 347 358) no Hoare annotation was computed. [2020-07-20 16:26:45,329 INFO L271 CegarLoopResult]: At program point changeMethaneLevelENTRY(lines 347 358) the Hoare annotation is: true [2020-07-20 16:26:45,331 INFO L268 CegarLoopResult]: For program point changeMethaneLevelEXIT(lines 347 358) no Hoare annotation was computed. [2020-07-20 16:26:45,331 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intEXIT(line -1) no Hoare annotation was computed. [2020-07-20 16:26:45,331 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intENTRY(line -1) no Hoare annotation was computed. [2020-07-20 16:26:45,331 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intFINAL(line -1) no Hoare annotation was computed. [2020-07-20 16:26:45,332 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalENTRY(lines 359 367) no Hoare annotation was computed. [2020-07-20 16:26:45,332 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalFINAL(lines 359 367) no Hoare annotation was computed. [2020-07-20 16:26:45,332 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalEXIT(lines 359 367) no Hoare annotation was computed. [2020-07-20 16:26:45,332 INFO L264 CegarLoopResult]: At program point L64(line 64) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~systemActive~0))) (.cse4 (not (<= 1 |old(~pumpRunning~0)|))) (.cse1 (not (<= |old(~waterLevel~0)| 2))) (.cse2 (<= ~pumpRunning~0 ~switchedOnBeforeTS~0)) (.cse3 (= ~pumpRunning~0 |old(~pumpRunning~0)|))) (and (or .cse0 (not (= 0 |old(~pumpRunning~0)|)) .cse1) (or (not (<= |old(~pumpRunning~0)| |old(~switchedOnBeforeTS~0)|)) (not (<= |old(~waterLevel~0)| 1)) .cse0 (and .cse2 (<= ~waterLevel~0 |old(~waterLevel~0)|) .cse3) .cse4) (or .cse0 .cse4 .cse1 (and .cse2 (<= 2 ~waterLevel~0) .cse3 (<= ~waterLevel~0 2)) (not (<= 2 |old(~waterLevel~0)|))))) [2020-07-20 16:26:45,332 INFO L268 CegarLoopResult]: For program point L62(lines 58 80) no Hoare annotation was computed. [2020-07-20 16:26:45,332 INFO L268 CegarLoopResult]: For program point L60(lines 58 80) no Hoare annotation was computed. [2020-07-20 16:26:45,333 INFO L264 CegarLoopResult]: At program point timeShiftENTRY(lines 55 81) the Hoare annotation is: (let ((.cse5 (<= ~waterLevel~0 |old(~waterLevel~0)|)) (.cse1 (<= 2 ~waterLevel~0)) (.cse6 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse7 (not (<= 1 |old(~pumpRunning~0)|))) (.cse4 (not (<= 2 |old(~waterLevel~0)|))) (.cse0 (not (<= 1 ~systemActive~0))) (.cse2 (not (= 0 |old(~pumpRunning~0)|))) (.cse3 (not (<= |old(~waterLevel~0)| 2)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse0 .cse2 .cse3 (and .cse5 (= 0 ~pumpRunning~0))) (or (not (<= |old(~pumpRunning~0)| |old(~switchedOnBeforeTS~0)|)) (and (<= ~pumpRunning~0 ~switchedOnBeforeTS~0) .cse5 .cse6) .cse0 .cse7 .cse3) (or .cse0 (and .cse1 .cse6 (<= ~waterLevel~0 2)) .cse7 .cse3 .cse4) (or .cse0 (not (<= 1 |old(~switchedOnBeforeTS~0)|)) .cse2 .cse3 (<= 1 ~switchedOnBeforeTS~0)))) [2020-07-20 16:26:45,333 INFO L268 CegarLoopResult]: For program point timeShiftEXIT(lines 55 81) no Hoare annotation was computed. [2020-07-20 16:26:45,333 INFO L264 CegarLoopResult]: At program point L71(line 71) the Hoare annotation is: (let ((.cse7 (<= ~waterLevel~0 |old(~waterLevel~0)|))) (let ((.cse0 (not (<= |old(~waterLevel~0)| 1))) (.cse2 (and (<= ~pumpRunning~0 ~switchedOnBeforeTS~0) .cse7 (= ~pumpRunning~0 |old(~pumpRunning~0)|) (<= ~waterLevel~0 1))) (.cse3 (not (<= 1 |old(~pumpRunning~0)|))) (.cse6 (not (<= 2 |old(~waterLevel~0)|))) (.cse1 (not (<= 1 ~systemActive~0))) (.cse4 (not (= 0 |old(~pumpRunning~0)|))) (.cse5 (not (<= |old(~waterLevel~0)| 2)))) (and (or (not (<= |old(~pumpRunning~0)| |old(~switchedOnBeforeTS~0)|)) .cse0 .cse1 .cse2 .cse3) (or .cse1 (<= 2 ~waterLevel~0) .cse4 .cse5 .cse6) (or .cse0 .cse1 .cse7 .cse4) (or .cse1 .cse2 .cse3 .cse5 .cse6) (or .cse1 .cse4 (and (<= ~waterLevel~0 2) (= 0 ~pumpRunning~0)) .cse5)))) [2020-07-20 16:26:45,333 INFO L268 CegarLoopResult]: For program point timeShiftFINAL(lines 55 81) no Hoare annotation was computed. [2020-07-20 16:26:45,333 INFO L264 CegarLoopResult]: At program point L69(lines 69 75) the Hoare annotation is: (let ((.cse7 (= 0 ~pumpRunning~0)) (.cse6 (<= ~waterLevel~0 |old(~waterLevel~0)|)) (.cse10 (<= ~waterLevel~0 1))) (let ((.cse5 (not (= 0 |old(~pumpRunning~0)|))) (.cse0 (not (<= 1 ~systemActive~0))) (.cse1 (and (<= ~pumpRunning~0 ~switchedOnBeforeTS~0) .cse6 (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse10)) (.cse2 (not (<= 1 |old(~pumpRunning~0)|))) (.cse3 (and .cse6 .cse7 (<= 1 ~switchedOnBeforeTS~0) .cse10)) (.cse4 (not (<= |old(~waterLevel~0)| 2))) (.cse9 (not (<= 2 |old(~waterLevel~0)|)))) (and (or (not (<= |old(~pumpRunning~0)| |old(~switchedOnBeforeTS~0)|)) .cse0 .cse1 .cse2 .cse3 .cse4) (or (not (<= |old(~waterLevel~0)| 1)) .cse0 .cse5 (and .cse6 .cse7)) (let ((.cse8 (<= 2 ~waterLevel~0))) (or .cse0 (and .cse8 .cse6 .cse7) .cse5 .cse4 .cse9 (and .cse8 (<= ~waterLevel~0 2) (<= 1 ~pumpRunning~0)))) (or .cse0 .cse1 .cse2 .cse3 .cse4 .cse9)))) [2020-07-20 16:26:45,335 INFO L268 CegarLoopResult]: For program point L448(lines 448 452) no Hoare annotation was computed. [2020-07-20 16:26:45,335 INFO L268 CegarLoopResult]: For program point cleanupEXIT(lines 434 463) no Hoare annotation was computed. [2020-07-20 16:26:45,335 INFO L271 CegarLoopResult]: At program point L448-1(lines 448 452) the Hoare annotation is: true [2020-07-20 16:26:45,336 INFO L268 CegarLoopResult]: For program point L445(line 445) no Hoare annotation was computed. [2020-07-20 16:26:45,336 INFO L271 CegarLoopResult]: At program point cleanupENTRY(lines 434 463) the Hoare annotation is: true [2020-07-20 16:26:45,336 INFO L271 CegarLoopResult]: At program point L444-2(lines 444 458) the Hoare annotation is: true [2020-07-20 16:26:45,336 INFO L271 CegarLoopResult]: At program point L440(line 440) the Hoare annotation is: true [2020-07-20 16:26:45,336 INFO L268 CegarLoopResult]: For program point L440-1(line 440) no Hoare annotation was computed. [2020-07-20 16:26:45,336 INFO L271 CegarLoopResult]: At program point L459(lines 434 463) the Hoare annotation is: true [2020-07-20 16:26:45,336 INFO L268 CegarLoopResult]: For program point L455(line 455) no Hoare annotation was computed. [2020-07-20 16:26:45,336 INFO L264 CegarLoopResult]: At program point lowerWaterLevelENTRY(lines 323 334) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~systemActive~0))) (.cse1 (not (<= |old(~waterLevel~0)| 2))) (.cse2 (not (<= ~pumpRunning~0 ~switchedOnBeforeTS~0))) (.cse3 (not (<= 1 ~pumpRunning~0)))) (and (or .cse0 (<= 2 ~waterLevel~0) .cse1 .cse2 .cse3 (not (<= 2 |old(~waterLevel~0)|))) (or .cse0 (<= ~waterLevel~0 |old(~waterLevel~0)|) .cse1 .cse2 .cse3))) [2020-07-20 16:26:45,337 INFO L268 CegarLoopResult]: For program point lowerWaterLevelEXIT(lines 323 334) no Hoare annotation was computed. [2020-07-20 16:26:45,337 INFO L268 CegarLoopResult]: For program point L327-1(lines 323 334) no Hoare annotation was computed. [2020-07-20 16:26:45,337 INFO L268 CegarLoopResult]: For program point setupEXIT(lines 488 494) no Hoare annotation was computed. [2020-07-20 16:26:45,337 INFO L271 CegarLoopResult]: At program point setupFINAL(lines 488 494) the Hoare annotation is: true [2020-07-20 16:26:45,337 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-07-20 16:26:45,337 INFO L264 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (and (= 0 ~pumpRunning~0) (<= ~waterLevel~0 1) (<= 1 ~systemActive~0)) [2020-07-20 16:26:45,337 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-07-20 16:26:45,337 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-07-20 16:26:45,337 INFO L264 CegarLoopResult]: At program point processEnvironment__wrappee__highWaterSensorENTRY(lines 90 114) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~systemActive~0)))) (and (or .cse0 (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (<= 1 |old(~pumpRunning~0)|)) (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0)) (not (<= ~waterLevel~0 1))) (or .cse0 (not (<= ~waterLevel~0 2)) (not (= 0 |old(~pumpRunning~0)|)) (= 0 ~pumpRunning~0)))) [2020-07-20 16:26:45,338 INFO L264 CegarLoopResult]: At program point L96(line 96) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~systemActive~0)))) (and (or .cse0 (not (<= 1 |old(~pumpRunning~0)|)) (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0)) (not (<= ~waterLevel~0 1))) (or .cse0 (not (<= ~waterLevel~0 2)) (not (= 0 |old(~pumpRunning~0)|)) (= 0 ~pumpRunning~0)))) [2020-07-20 16:26:45,338 INFO L268 CegarLoopResult]: For program point L96-1(line 96) no Hoare annotation was computed. [2020-07-20 16:26:45,338 INFO L268 CegarLoopResult]: For program point L94(lines 94 111) no Hoare annotation was computed. [2020-07-20 16:26:45,338 INFO L268 CegarLoopResult]: For program point processEnvironment__wrappee__highWaterSensorEXIT(lines 90 114) no Hoare annotation was computed. [2020-07-20 16:26:45,338 INFO L264 CegarLoopResult]: At program point L109(line 109) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~systemActive~0)))) (and (or .cse0 (not (<= ~waterLevel~0 2)) (not (= 0 |old(~pumpRunning~0)|))) (or .cse0 (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (<= 1 |old(~pumpRunning~0)|)) (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0)) (not (<= ~waterLevel~0 1))))) [2020-07-20 16:26:45,338 INFO L268 CegarLoopResult]: For program point L109-1(lines 90 114) no Hoare annotation was computed. [2020-07-20 16:26:45,338 INFO L264 CegarLoopResult]: At program point L104(line 104) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~systemActive~0)))) (and (or .cse0 (not (<= 1 |old(~pumpRunning~0)|)) (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0)) (not (<= ~waterLevel~0 1))) (or .cse0 (and (= 0 ~pumpRunning~0) (= 0 processEnvironment__wrappee__highWaterSensor_~tmp~0)) (not (<= ~waterLevel~0 2)) (not (= 0 |old(~pumpRunning~0)|))))) [2020-07-20 16:26:45,338 INFO L264 CegarLoopResult]: At program point L100(line 100) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~systemActive~0))) (.cse2 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (not (<= ~waterLevel~0 1)))) (and (or .cse0 (not (<= 1 |old(~pumpRunning~0)|)) (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0)) .cse1) (or .cse0 (not (<= ~waterLevel~0 2)) .cse2 (= 0 ~pumpRunning~0)) (or .cse0 .cse2 .cse1))) [2020-07-20 16:26:45,339 INFO L268 CegarLoopResult]: For program point L98(lines 98 106) no Hoare annotation was computed. [2020-07-20 16:26:45,339 INFO L268 CegarLoopResult]: For program point waterRiseEXIT(lines 335 346) no Hoare annotation was computed. [2020-07-20 16:26:45,339 INFO L264 CegarLoopResult]: At program point waterRiseENTRY(lines 335 346) the Hoare annotation is: (let ((.cse1 (and (<= 2 ~waterLevel~0) (<= ~waterLevel~0 2))) (.cse2 (not (<= |old(~waterLevel~0)| 2))) (.cse7 (not (<= 1 ~pumpRunning~0))) (.cse4 (not (<= 2 |old(~waterLevel~0)|))) (.cse5 (not (<= |old(~waterLevel~0)| 1))) (.cse0 (not (<= 1 ~systemActive~0))) (.cse6 (<= ~waterLevel~0 |old(~waterLevel~0)|)) (.cse3 (not (= 0 ~pumpRunning~0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse5 .cse0 .cse6 (not (<= ~pumpRunning~0 ~switchedOnBeforeTS~0)) .cse7) (or .cse0 .cse1 .cse2 .cse7 .cse4) (or .cse5 .cse0 .cse6 .cse3))) [2020-07-20 16:26:45,339 INFO L268 CegarLoopResult]: For program point L339-1(lines 335 346) no Hoare annotation was computed. [2020-07-20 16:26:45,339 INFO L268 CegarLoopResult]: For program point __automaton_failFINAL(lines 424 431) no Hoare annotation was computed. [2020-07-20 16:26:45,339 INFO L268 CegarLoopResult]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 428) no Hoare annotation was computed. [2020-07-20 16:26:45,339 INFO L271 CegarLoopResult]: At program point __automaton_failENTRY(lines 424 431) the Hoare annotation is: true [2020-07-20 16:26:45,340 INFO L268 CegarLoopResult]: For program point __automaton_failEXIT(lines 424 431) no Hoare annotation was computed. [2020-07-20 16:26:45,366 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.07 04:26:45 BoogieIcfgContainer [2020-07-20 16:26:45,367 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-07-20 16:26:45,369 INFO L168 Benchmark]: Toolchain (without parser) took 17091.43 ms. Allocated memory was 137.9 MB in the beginning and 395.8 MB in the end (delta: 257.9 MB). Free memory was 101.5 MB in the beginning and 91.4 MB in the end (delta: 10.1 MB). Peak memory consumption was 269.3 MB. Max. memory is 7.1 GB. [2020-07-20 16:26:45,370 INFO L168 Benchmark]: CDTParser took 0.55 ms. Allocated memory is still 137.9 MB. Free memory was 120.9 MB in the beginning and 120.7 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2020-07-20 16:26:45,376 INFO L168 Benchmark]: CACSL2BoogieTranslator took 630.37 ms. Allocated memory was 137.9 MB in the beginning and 200.3 MB in the end (delta: 62.4 MB). Free memory was 101.1 MB in the beginning and 170.5 MB in the end (delta: -69.4 MB). Peak memory consumption was 30.0 MB. Max. memory is 7.1 GB. [2020-07-20 16:26:45,382 INFO L168 Benchmark]: Boogie Preprocessor took 115.95 ms. Allocated memory is still 200.3 MB. Free memory was 170.5 MB in the beginning and 166.0 MB in the end (delta: 4.5 MB). Peak memory consumption was 4.5 MB. Max. memory is 7.1 GB. [2020-07-20 16:26:45,383 INFO L168 Benchmark]: RCFGBuilder took 1073.47 ms. Allocated memory was 200.3 MB in the beginning and 233.3 MB in the end (delta: 33.0 MB). Free memory was 166.0 MB in the beginning and 193.8 MB in the end (delta: -27.8 MB). Peak memory consumption was 85.7 MB. Max. memory is 7.1 GB. [2020-07-20 16:26:45,383 INFO L168 Benchmark]: TraceAbstraction took 15266.34 ms. Allocated memory was 233.3 MB in the beginning and 395.8 MB in the end (delta: 162.5 MB). Free memory was 193.8 MB in the beginning and 91.4 MB in the end (delta: 102.4 MB). Peak memory consumption was 266.2 MB. Max. memory is 7.1 GB. [2020-07-20 16:26:45,391 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.55 ms. Allocated memory is still 137.9 MB. Free memory was 120.9 MB in the beginning and 120.7 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 630.37 ms. Allocated memory was 137.9 MB in the beginning and 200.3 MB in the end (delta: 62.4 MB). Free memory was 101.1 MB in the beginning and 170.5 MB in the end (delta: -69.4 MB). Peak memory consumption was 30.0 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 115.95 ms. Allocated memory is still 200.3 MB. Free memory was 170.5 MB in the beginning and 166.0 MB in the end (delta: 4.5 MB). Peak memory consumption was 4.5 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1073.47 ms. Allocated memory was 200.3 MB in the beginning and 233.3 MB in the end (delta: 33.0 MB). Free memory was 166.0 MB in the beginning and 193.8 MB in the end (delta: -27.8 MB). Peak memory consumption was 85.7 MB. Max. memory is 7.1 GB. * TraceAbstraction took 15266.34 ms. Allocated memory was 233.3 MB in the beginning and 395.8 MB in the end (delta: 162.5 MB). Free memory was 193.8 MB in the beginning and 91.4 MB in the end (delta: 102.4 MB). Peak memory consumption was 266.2 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 428]: 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: 434]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 264]: Loop Invariant Derived loop invariant: (!(\old(waterLevel) <= 1) || !(0 == \old(pumpRunning))) || !(1 <= systemActive) - InvariantResult [Line: 265]: Loop Invariant Derived loop invariant: ((((!(\old(waterLevel) <= 1) || (((2 <= waterLevel && waterLevel <= 2) && splverifierCounter <= 0) && 1 <= pumpRunning)) || !(1 <= systemActive)) || !(0 == \old(pumpRunning))) || ((waterLevel <= 2 && 0 == pumpRunning) && splverifierCounter <= 0)) || (((pumpRunning <= switchedOnBeforeTS && waterLevel <= 1) && splverifierCounter <= 0) && 1 <= pumpRunning) - InvariantResult [Line: 444]: Loop Invariant Derived loop invariant: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 42 procedures, 245 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 10.6s, OverallIterations: 10, TraceHistogramMax: 3, AutomataDifference: 3.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 4.4s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 1789 SDtfs, 1354 SDslu, 2949 SDs, 0 SdLazy, 1559 SolverSat, 571 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 1.7s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 1051 GetRequests, 989 SyntacticMatches, 6 SemanticMatches, 56 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 121 ImplicationChecksByTransitivity, 0.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=467occurred in iteration=9, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 10 MinimizatonAttempts, 187 StatesRemovedByMinimization, 5 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 61 LocationsWithAnnotation, 814 PreInvPairs, 888 NumberOfFragments, 1534 HoareAnnotationTreeSize, 814 FomulaSimplifications, 1330 FormulaSimplificationTreeSizeReduction, 0.8s HoareSimplificationTime, 61 FomulaSimplificationsInter, 7275 FormulaSimplificationTreeSizeReductionInter, 3.5s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.2s SsaConstructionTime, 3.1s SatisfiabilityAnalysisTime, 0.9s InterpolantComputationTime, 880 NumberOfCodeBlocks, 742 NumberOfCodeBlocksAsserted, 33 NumberOfCheckSat, 1026 ConstructedInterpolants, 0 QuantifiedInterpolants, 204462 SizeOfPredicates, 23 NumberOfNonLiveVariables, 7001 ConjunctsInSsa, 79 ConjunctsInUnsatCore, 11 InterpolantComputations, 9 PerfectInterpolantSequences, 89/111 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...