/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 NOT_INCREMENTALLY -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/product-lines/minepump_spec5_product15.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-d623d84 [2020-07-21 10:38:22,969 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-07-21 10:38:22,972 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-07-21 10:38:22,985 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-07-21 10:38:22,986 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-07-21 10:38:22,987 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-07-21 10:38:22,988 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-07-21 10:38:22,990 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-07-21 10:38:22,992 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-07-21 10:38:22,993 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-07-21 10:38:22,994 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-07-21 10:38:22,995 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-07-21 10:38:22,995 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-07-21 10:38:22,996 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-07-21 10:38:22,997 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-07-21 10:38:22,998 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-07-21 10:38:22,999 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-07-21 10:38:23,000 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-07-21 10:38:23,002 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-07-21 10:38:23,004 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-07-21 10:38:23,006 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-07-21 10:38:23,007 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-07-21 10:38:23,008 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-07-21 10:38:23,009 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-07-21 10:38:23,012 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-07-21 10:38:23,012 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-07-21 10:38:23,012 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-07-21 10:38:23,013 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-07-21 10:38:23,014 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-07-21 10:38:23,015 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-07-21 10:38:23,015 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-07-21 10:38:23,016 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-07-21 10:38:23,017 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-07-21 10:38:23,018 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-07-21 10:38:23,019 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-07-21 10:38:23,019 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-07-21 10:38:23,020 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-07-21 10:38:23,020 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-07-21 10:38:23,020 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-07-21 10:38:23,021 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-07-21 10:38:23,022 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-07-21 10:38:23,023 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 [2020-07-21 10:38:23,039 INFO L113 SettingsManager]: Loading preferences was successful [2020-07-21 10:38:23,041 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-07-21 10:38:23,042 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-07-21 10:38:23,043 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-07-21 10:38:23,043 INFO L138 SettingsManager]: * Use SBE=true [2020-07-21 10:38:23,043 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-07-21 10:38:23,043 INFO L138 SettingsManager]: * sizeof long=4 [2020-07-21 10:38:23,044 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-07-21 10:38:23,044 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-07-21 10:38:23,044 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-07-21 10:38:23,045 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-07-21 10:38:23,045 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-07-21 10:38:23,045 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-07-21 10:38:23,045 INFO L138 SettingsManager]: * sizeof long double=12 [2020-07-21 10:38:23,045 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-07-21 10:38:23,046 INFO L138 SettingsManager]: * Use constant arrays=true [2020-07-21 10:38:23,046 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-07-21 10:38:23,046 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-07-21 10:38:23,046 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-07-21 10:38:23,046 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-07-21 10:38:23,047 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-07-21 10:38:23,047 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-21 10:38:23,048 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-07-21 10:38:23,049 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-07-21 10:38:23,049 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-07-21 10:38:23,049 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-07-21 10:38:23,049 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 10:38:23,049 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-07-21 10:38:23,050 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-07-21 10:38:23,050 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 -> NOT_INCREMENTALLY [2020-07-21 10:38:23,366 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2020-07-21 10:38:23,391 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-07-21 10:38:23,396 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-07-21 10:38:23,397 INFO L271 PluginConnector]: Initializing CDTParser... [2020-07-21 10:38:23,397 INFO L275 PluginConnector]: CDTParser initialized [2020-07-21 10:38:23,398 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec5_product15.cil.c [2020-07-21 10:38:23,478 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4e7a97fe2/6217c75c2f154703937deabb2a961f60/FLAG40fccd16b [2020-07-21 10:38:24,003 INFO L306 CDTParser]: Found 1 translation units. [2020-07-21 10:38:24,004 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec5_product15.cil.c [2020-07-21 10:38:24,017 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4e7a97fe2/6217c75c2f154703937deabb2a961f60/FLAG40fccd16b [2020-07-21 10:38:24,307 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4e7a97fe2/6217c75c2f154703937deabb2a961f60 [2020-07-21 10:38:24,317 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-07-21 10:38:24,320 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-07-21 10:38:24,321 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-07-21 10:38:24,322 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-07-21 10:38:24,326 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-07-21 10:38:24,327 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.07 10:38:24" (1/1) ... [2020-07-21 10:38:24,330 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7210537a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 10:38:24, skipping insertion in model container [2020-07-21 10:38:24,331 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.07 10:38:24" (1/1) ... [2020-07-21 10:38:24,339 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-07-21 10:38:24,407 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-07-21 10:38:24,724 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-21 10:38:24,737 INFO L203 MainTranslator]: Completed pre-run [2020-07-21 10:38:24,940 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-21 10:38:24,975 INFO L208 MainTranslator]: Completed translation [2020-07-21 10:38:24,975 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 10:38:24 WrapperNode [2020-07-21 10:38:24,975 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-07-21 10:38:24,977 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-07-21 10:38:24,977 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-07-21 10:38:24,977 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-07-21 10:38:24,993 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 10:38:24" (1/1) ... [2020-07-21 10:38:24,993 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 10:38:24" (1/1) ... [2020-07-21 10:38:25,012 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 10:38:24" (1/1) ... [2020-07-21 10:38:25,012 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 10:38:24" (1/1) ... [2020-07-21 10:38:25,046 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 10:38:24" (1/1) ... [2020-07-21 10:38:25,056 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 10:38:24" (1/1) ... [2020-07-21 10:38:25,061 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 10:38:24" (1/1) ... [2020-07-21 10:38:25,068 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-07-21 10:38:25,068 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-07-21 10:38:25,069 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-07-21 10:38:25,069 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-07-21 10:38:25,070 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 10:38:24" (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 [2020-07-21 10:38:25,138 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-07-21 10:38:25,138 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-07-21 10:38:25,139 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-07-21 10:38:25,139 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-07-21 10:38:25,139 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-07-21 10:38:25,139 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-07-21 10:38:25,140 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-07-21 10:38:25,140 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-07-21 10:38:25,140 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-07-21 10:38:25,141 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-07-21 10:38:25,141 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-07-21 10:38:25,141 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-07-21 10:38:25,142 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-07-21 10:38:25,142 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-07-21 10:38:25,142 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-07-21 10:38:25,143 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__methaneQuery [2020-07-21 10:38:25,143 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-07-21 10:38:25,143 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__base [2020-07-21 10:38:25,144 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-07-21 10:38:25,144 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-07-21 10:38:25,145 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-07-21 10:38:25,146 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-07-21 10:38:25,146 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-07-21 10:38:25,146 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2020-07-21 10:38:25,146 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-07-21 10:38:25,148 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-07-21 10:38:25,148 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-07-21 10:38:25,148 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-07-21 10:38:25,149 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-07-21 10:38:25,149 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-07-21 10:38:25,149 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-07-21 10:38:25,149 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-07-21 10:38:25,150 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-07-21 10:38:25,150 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-07-21 10:38:25,150 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-07-21 10:38:25,151 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-07-21 10:38:25,151 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__1 [2020-07-21 10:38:25,151 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__2 [2020-07-21 10:38:25,151 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__3 [2020-07-21 10:38:25,151 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-07-21 10:38:25,151 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-07-21 10:38:25,152 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-07-21 10:38:25,152 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-07-21 10:38:25,152 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-07-21 10:38:25,152 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-07-21 10:38:25,152 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-07-21 10:38:25,153 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-07-21 10:38:25,153 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-07-21 10:38:25,153 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-07-21 10:38:25,153 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__1 [2020-07-21 10:38:25,153 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-07-21 10:38:25,153 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-07-21 10:38:25,153 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-07-21 10:38:25,154 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-07-21 10:38:25,154 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-07-21 10:38:25,155 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-07-21 10:38:25,155 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-07-21 10:38:25,155 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-07-21 10:38:25,155 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-07-21 10:38:25,155 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-07-21 10:38:25,155 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-07-21 10:38:25,156 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-07-21 10:38:25,156 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-07-21 10:38:25,156 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-07-21 10:38:25,156 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-07-21 10:38:25,157 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-07-21 10:38:25,157 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-07-21 10:38:25,157 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-07-21 10:38:25,157 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-07-21 10:38:25,157 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-07-21 10:38:25,157 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-07-21 10:38:25,157 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-07-21 10:38:25,158 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-07-21 10:38:25,158 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-07-21 10:38:25,159 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-07-21 10:38:25,159 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-07-21 10:38:25,159 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-07-21 10:38:25,159 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-07-21 10:38:25,160 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-07-21 10:38:25,160 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2020-07-21 10:38:25,160 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__2 [2020-07-21 10:38:25,160 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__3 [2020-07-21 10:38:25,160 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-07-21 10:38:25,160 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__methaneQuery [2020-07-21 10:38:25,161 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-07-21 10:38:25,162 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__base [2020-07-21 10:38:25,162 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-07-21 10:38:25,163 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-07-21 10:38:25,163 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-07-21 10:38:25,163 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-07-21 10:38:25,163 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-07-21 10:38:25,163 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-07-21 10:38:26,136 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-07-21 10:38:26,137 INFO L295 CfgBuilder]: Removed 5 assume(true) statements. [2020-07-21 10:38:26,142 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.07 10:38:26 BoogieIcfgContainer [2020-07-21 10:38:26,142 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-07-21 10:38:26,143 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-07-21 10:38:26,144 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-07-21 10:38:26,147 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-07-21 10:38:26,147 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.07 10:38:24" (1/3) ... [2020-07-21 10:38:26,148 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@198665df and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.07 10:38:26, skipping insertion in model container [2020-07-21 10:38:26,148 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 10:38:24" (2/3) ... [2020-07-21 10:38:26,149 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@198665df and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.07 10:38:26, skipping insertion in model container [2020-07-21 10:38:26,149 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.07 10:38:26" (3/3) ... [2020-07-21 10:38:26,151 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec5_product15.cil.c [2020-07-21 10:38:26,162 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBPonlyIfFpWasNotPerfect Determinization: PREDICATE_ABSTRACTION [2020-07-21 10:38:26,170 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-07-21 10:38:26,185 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-07-21 10:38:26,213 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-07-21 10:38:26,213 INFO L376 AbstractCegarLoop]: Hoare is true [2020-07-21 10:38:26,213 INFO L377 AbstractCegarLoop]: Compute interpolants for FPandBPonlyIfFpWasNotPerfect [2020-07-21 10:38:26,213 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-07-21 10:38:26,214 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-07-21 10:38:26,214 INFO L380 AbstractCegarLoop]: Difference is false [2020-07-21 10:38:26,214 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-07-21 10:38:26,214 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-07-21 10:38:26,237 INFO L276 IsEmpty]: Start isEmpty. Operand 169 states. [2020-07-21 10:38:26,247 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2020-07-21 10:38:26,248 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 10:38:26,249 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] [2020-07-21 10:38:26,249 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 10:38:26,255 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 10:38:26,256 INFO L82 PathProgramCache]: Analyzing trace with hash -2139894153, now seen corresponding path program 1 times [2020-07-21 10:38:26,265 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 10:38:26,266 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [629413829] [2020-07-21 10:38:26,266 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 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 [2020-07-21 10:38:26,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-21 10:38:26,552 INFO L263 TraceCheckSpWp]: Trace formula consists of 706 conjuncts, 1 conjunts are in the unsatisfiable core [2020-07-21 10:38:26,561 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 10:38:26,596 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-07-21 10:38:26,597 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-21 10:38:26,598 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [629413829] [2020-07-21 10:38:26,599 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-21 10:38:26,600 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-07-21 10:38:26,601 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [904996696] [2020-07-21 10:38:26,607 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-07-21 10:38:26,607 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 10:38:26,622 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-07-21 10:38:26,623 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-07-21 10:38:26,625 INFO L87 Difference]: Start difference. First operand 169 states. Second operand 2 states. [2020-07-21 10:38:26,667 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 10:38:26,667 INFO L93 Difference]: Finished difference Result 232 states and 289 transitions. [2020-07-21 10:38:26,667 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-07-21 10:38:26,669 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 59 [2020-07-21 10:38:26,670 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 10:38:26,681 INFO L225 Difference]: With dead ends: 232 [2020-07-21 10:38:26,682 INFO L226 Difference]: Without dead ends: 118 [2020-07-21 10:38:26,686 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 [2020-07-21 10:38:26,703 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 118 states. [2020-07-21 10:38:26,735 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 118 to 118. [2020-07-21 10:38:26,737 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 118 states. [2020-07-21 10:38:26,739 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 118 states to 118 states and 138 transitions. [2020-07-21 10:38:26,741 INFO L78 Accepts]: Start accepts. Automaton has 118 states and 138 transitions. Word has length 59 [2020-07-21 10:38:26,742 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 10:38:26,742 INFO L479 AbstractCegarLoop]: Abstraction has 118 states and 138 transitions. [2020-07-21 10:38:26,742 INFO L480 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-07-21 10:38:26,743 INFO L276 IsEmpty]: Start isEmpty. Operand 118 states and 138 transitions. [2020-07-21 10:38:26,746 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2020-07-21 10:38:26,747 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 10:38:26,747 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] [2020-07-21 10:38:26,961 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 10:38:26,961 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 10:38:26,962 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 10:38:26,962 INFO L82 PathProgramCache]: Analyzing trace with hash -445963551, now seen corresponding path program 1 times [2020-07-21 10:38:26,963 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 10:38:26,963 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1928159087] [2020-07-21 10:38:26,964 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 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 [2020-07-21 10:38:27,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-21 10:38:27,207 INFO L263 TraceCheckSpWp]: Trace formula consists of 710 conjuncts, 8 conjunts are in the unsatisfiable core [2020-07-21 10:38:27,212 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 10:38:27,259 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-21 10:38:27,259 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-21 10:38:27,260 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1928159087] [2020-07-21 10:38:27,260 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-21 10:38:27,260 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-21 10:38:27,260 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [270713314] [2020-07-21 10:38:27,262 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-21 10:38:27,262 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 10:38:27,263 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-21 10:38:27,263 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-21 10:38:27,263 INFO L87 Difference]: Start difference. First operand 118 states and 138 transitions. Second operand 3 states. [2020-07-21 10:38:27,304 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 10:38:27,304 INFO L93 Difference]: Finished difference Result 296 states and 360 transitions. [2020-07-21 10:38:27,304 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-21 10:38:27,305 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 64 [2020-07-21 10:38:27,305 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 10:38:27,309 INFO L225 Difference]: With dead ends: 296 [2020-07-21 10:38:27,310 INFO L226 Difference]: Without dead ends: 206 [2020-07-21 10:38:27,311 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 [2020-07-21 10:38:27,312 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 206 states. [2020-07-21 10:38:27,346 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 206 to 202. [2020-07-21 10:38:27,346 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 202 states. [2020-07-21 10:38:27,350 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 202 states to 202 states and 243 transitions. [2020-07-21 10:38:27,351 INFO L78 Accepts]: Start accepts. Automaton has 202 states and 243 transitions. Word has length 64 [2020-07-21 10:38:27,351 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 10:38:27,351 INFO L479 AbstractCegarLoop]: Abstraction has 202 states and 243 transitions. [2020-07-21 10:38:27,351 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-21 10:38:27,352 INFO L276 IsEmpty]: Start isEmpty. Operand 202 states and 243 transitions. [2020-07-21 10:38:27,355 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2020-07-21 10:38:27,355 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 10:38:27,355 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] [2020-07-21 10:38:27,568 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 10:38:27,569 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 10:38:27,570 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 10:38:27,570 INFO L82 PathProgramCache]: Analyzing trace with hash -187966529, now seen corresponding path program 1 times [2020-07-21 10:38:27,571 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 10:38:27,571 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [288634988] [2020-07-21 10:38:27,572 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 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 [2020-07-21 10:38:27,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-21 10:38:27,753 INFO L263 TraceCheckSpWp]: Trace formula consists of 724 conjuncts, 11 conjunts are in the unsatisfiable core [2020-07-21 10:38:27,757 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 10:38:27,802 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-21 10:38:27,802 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-21 10:38:27,803 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [288634988] [2020-07-21 10:38:27,803 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-21 10:38:27,803 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-07-21 10:38:27,803 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1222145726] [2020-07-21 10:38:27,804 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-07-21 10:38:27,804 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 10:38:27,805 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-07-21 10:38:27,805 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2020-07-21 10:38:27,805 INFO L87 Difference]: Start difference. First operand 202 states and 243 transitions. Second operand 6 states. [2020-07-21 10:38:28,033 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 10:38:28,034 INFO L93 Difference]: Finished difference Result 333 states and 418 transitions. [2020-07-21 10:38:28,034 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-07-21 10:38:28,034 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 72 [2020-07-21 10:38:28,035 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 10:38:28,035 INFO L225 Difference]: With dead ends: 333 [2020-07-21 10:38:28,036 INFO L226 Difference]: Without dead ends: 0 [2020-07-21 10:38:28,038 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 73 GetRequests, 67 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2020-07-21 10:38:28,039 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-07-21 10:38:28,039 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-07-21 10:38:28,039 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-07-21 10:38:28,039 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-07-21 10:38:28,040 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 72 [2020-07-21 10:38:28,040 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 10:38:28,040 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-07-21 10:38:28,040 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-07-21 10:38:28,040 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-07-21 10:38:28,040 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-21 10:38:28,250 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 10:38:28,254 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-07-21 10:38:29,070 INFO L268 CegarLoopResult]: For program point L224(line 224) no Hoare annotation was computed. [2020-07-21 10:38:29,070 INFO L268 CegarLoopResult]: For program point L223-2(lines 223 244) no Hoare annotation was computed. [2020-07-21 10:38:29,071 INFO L268 CegarLoopResult]: For program point L245(lines 222 246) no Hoare annotation was computed. [2020-07-21 10:38:29,071 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeFINAL(lines 198 253) no Hoare annotation was computed. [2020-07-21 10:38:29,071 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeEXIT(lines 198 253) no Hoare annotation was computed. [2020-07-21 10:38:29,071 INFO L268 CegarLoopResult]: For program point L229(lines 229 233) no Hoare annotation was computed. [2020-07-21 10:38:29,071 INFO L268 CegarLoopResult]: For program point L229-1(lines 229 233) no Hoare annotation was computed. [2020-07-21 10:38:29,071 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeENTRY(lines 198 253) no Hoare annotation was computed. [2020-07-21 10:38:29,072 INFO L268 CegarLoopResult]: For program point L286(lines 286 290) no Hoare annotation was computed. [2020-07-21 10:38:29,072 INFO L268 CegarLoopResult]: For program point L286-1(lines 286 290) no Hoare annotation was computed. [2020-07-21 10:38:29,072 INFO L268 CegarLoopResult]: For program point L281(line 281) no Hoare annotation was computed. [2020-07-21 10:38:29,072 INFO L268 CegarLoopResult]: For program point L280-2(lines 280 305) no Hoare annotation was computed. [2020-07-21 10:38:29,072 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetFINAL(lines 254 313) no Hoare annotation was computed. [2020-07-21 10:38:29,072 INFO L268 CegarLoopResult]: For program point L306(lines 279 307) no Hoare annotation was computed. [2020-07-21 10:38:29,072 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetENTRY(lines 254 313) no Hoare annotation was computed. [2020-07-21 10:38:29,073 INFO L268 CegarLoopResult]: For program point L299(line 299) no Hoare annotation was computed. [2020-07-21 10:38:29,073 INFO L268 CegarLoopResult]: For program point L299-1(line 299) no Hoare annotation was computed. [2020-07-21 10:38:29,073 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetEXIT(lines 254 313) no Hoare annotation was computed. [2020-07-21 10:38:29,078 INFO L271 CegarLoopResult]: At program point select_helpersFINAL(lines 774 780) the Hoare annotation is: true [2020-07-21 10:38:29,078 INFO L268 CegarLoopResult]: For program point select_helpersEXIT(lines 774 780) no Hoare annotation was computed. [2020-07-21 10:38:29,078 INFO L268 CegarLoopResult]: For program point valid_productEXIT(lines 781 789) no Hoare annotation was computed. [2020-07-21 10:38:29,078 INFO L271 CegarLoopResult]: At program point valid_productENTRY(lines 781 789) the Hoare annotation is: true [2020-07-21 10:38:29,078 INFO L268 CegarLoopResult]: For program point valid_productFINAL(lines 781 789) no Hoare annotation was computed. [2020-07-21 10:38:29,079 INFO L271 CegarLoopResult]: At program point __utac_acc__Specification5_spec__1ENTRY(lines 882 889) the Hoare annotation is: true [2020-07-21 10:38:29,079 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification5_spec__1EXIT(lines 882 889) no Hoare annotation was computed. [2020-07-21 10:38:29,079 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification5_spec__1FINAL(lines 882 889) no Hoare annotation was computed. [2020-07-21 10:38:29,079 INFO L271 CegarLoopResult]: At program point __utac_acc__Specification5_spec__2ENTRY(lines 890 899) the Hoare annotation is: true [2020-07-21 10:38:29,079 INFO L268 CegarLoopResult]: For program point L895(line 895) no Hoare annotation was computed. [2020-07-21 10:38:29,080 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification5_spec__2EXIT(lines 890 899) no Hoare annotation was computed. [2020-07-21 10:38:29,081 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification5_spec__2FINAL(lines 890 899) no Hoare annotation was computed. [2020-07-21 10:38:29,081 INFO L264 CegarLoopResult]: At program point L915(line 915) the Hoare annotation is: (not (= 0 ~pumpRunning~0)) [2020-07-21 10:38:29,081 INFO L268 CegarLoopResult]: For program point L913(lines 913 919) no Hoare annotation was computed. [2020-07-21 10:38:29,081 INFO L271 CegarLoopResult]: At program point __utac_acc__Specification5_spec__3ENTRY(lines 900 928) the Hoare annotation is: true [2020-07-21 10:38:29,083 INFO L268 CegarLoopResult]: For program point L912(lines 912 922) no Hoare annotation was computed. [2020-07-21 10:38:29,083 INFO L271 CegarLoopResult]: At program point L910(line 910) the Hoare annotation is: true [2020-07-21 10:38:29,083 INFO L268 CegarLoopResult]: For program point L910-1(line 910) no Hoare annotation was computed. [2020-07-21 10:38:29,084 INFO L268 CegarLoopResult]: For program point L908(lines 908 925) no Hoare annotation was computed. [2020-07-21 10:38:29,084 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification5_spec__3EXIT(lines 900 928) no Hoare annotation was computed. [2020-07-21 10:38:29,084 INFO L268 CegarLoopResult]: For program point L908-1(lines 900 928) no Hoare annotation was computed. [2020-07-21 10:38:29,084 INFO L271 CegarLoopResult]: At program point L906(line 906) the Hoare annotation is: true [2020-07-21 10:38:29,085 INFO L268 CegarLoopResult]: For program point L906-1(line 906) no Hoare annotation was computed. [2020-07-21 10:38:29,085 INFO L264 CegarLoopResult]: At program point L129(line 129) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~pumpRunning~0) (<= 1 ~systemActive~0)) (not (<= 1 |old(~systemActive~0)|))) [2020-07-21 10:38:29,085 INFO L264 CegarLoopResult]: At program point L128(line 128) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~pumpRunning~0) (<= 1 ~systemActive~0)) (not (<= 1 |old(~systemActive~0)|))) [2020-07-21 10:38:29,085 INFO L264 CegarLoopResult]: At program point L128-1(line 128) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~pumpRunning~0) (<= 1 ~systemActive~0)) (not (<= 1 |old(~systemActive~0)|))) [2020-07-21 10:38:29,086 INFO L264 CegarLoopResult]: At program point mainENTRY(lines 122 144) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~pumpRunning~0) (<= 1 ~systemActive~0)) (not (<= 1 |old(~systemActive~0)|))) [2020-07-21 10:38:29,086 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 122 144) no Hoare annotation was computed. [2020-07-21 10:38:29,086 INFO L268 CegarLoopResult]: For program point mainFINAL(lines 122 144) no Hoare annotation was computed. [2020-07-21 10:38:29,086 INFO L264 CegarLoopResult]: At program point L134(line 134) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~pumpRunning~0) (<= 1 ~systemActive~0)) (not (<= 1 |old(~systemActive~0)|))) [2020-07-21 10:38:29,086 INFO L264 CegarLoopResult]: At program point L134-1(line 134) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~pumpRunning~0) (<= 1 ~systemActive~0)) (not (<= 1 |old(~systemActive~0)|))) [2020-07-21 10:38:29,086 INFO L268 CegarLoopResult]: For program point L132(lines 132 139) no Hoare annotation was computed. [2020-07-21 10:38:29,087 INFO L268 CegarLoopResult]: For program point L132-1(lines 132 139) no Hoare annotation was computed. [2020-07-21 10:38:29,087 INFO L268 CegarLoopResult]: For program point L130(line 130) no Hoare annotation was computed. [2020-07-21 10:38:29,087 INFO L268 CegarLoopResult]: For program point Specification2EXIT(lines 75 98) no Hoare annotation was computed. [2020-07-21 10:38:29,087 INFO L268 CegarLoopResult]: For program point L93(line 93) no Hoare annotation was computed. [2020-07-21 10:38:29,088 INFO L268 CegarLoopResult]: For program point Specification2ENTRY(lines 75 98) no Hoare annotation was computed. [2020-07-21 10:38:29,088 INFO L268 CegarLoopResult]: For program point L92(line 92) no Hoare annotation was computed. [2020-07-21 10:38:29,089 INFO L268 CegarLoopResult]: For program point Specification2FINAL(lines 75 98) no Hoare annotation was computed. [2020-07-21 10:38:29,089 INFO L268 CegarLoopResult]: For program point L91(line 91) no Hoare annotation was computed. [2020-07-21 10:38:29,089 INFO L268 CegarLoopResult]: For program point L90(line 90) no Hoare annotation was computed. [2020-07-21 10:38:29,089 INFO L268 CegarLoopResult]: For program point L89(line 89) no Hoare annotation was computed. [2020-07-21 10:38:29,089 INFO L268 CegarLoopResult]: For program point L88(line 88) no Hoare annotation was computed. [2020-07-21 10:38:29,089 INFO L268 CegarLoopResult]: For program point L87(line 87) no Hoare annotation was computed. [2020-07-21 10:38:29,089 INFO L268 CegarLoopResult]: For program point L86(line 86) no Hoare annotation was computed. [2020-07-21 10:38:29,090 INFO L268 CegarLoopResult]: For program point L85(line 85) no Hoare annotation was computed. [2020-07-21 10:38:29,090 INFO L268 CegarLoopResult]: For program point L84(line 84) no Hoare annotation was computed. [2020-07-21 10:38:29,090 INFO L268 CegarLoopResult]: For program point L83(line 83) no Hoare annotation was computed. [2020-07-21 10:38:29,090 INFO L268 CegarLoopResult]: For program point L82(line 82) no Hoare annotation was computed. [2020-07-21 10:38:29,090 INFO L268 CegarLoopResult]: For program point L81(line 81) no Hoare annotation was computed. [2020-07-21 10:38:29,090 INFO L268 CegarLoopResult]: For program point L80(line 80) no Hoare annotation was computed. [2020-07-21 10:38:29,091 INFO L268 CegarLoopResult]: For program point processEnvironment__wrappee__methaneQueryEXIT(lines 551 557) no Hoare annotation was computed. [2020-07-21 10:38:29,091 INFO L271 CegarLoopResult]: At program point processEnvironment__wrappee__methaneQueryFINAL(lines 551 557) the Hoare annotation is: true [2020-07-21 10:38:29,091 INFO L268 CegarLoopResult]: For program point stopSystemEXIT(lines 673 687) no Hoare annotation was computed. [2020-07-21 10:38:29,091 INFO L264 CegarLoopResult]: At program point L679(line 679) the Hoare annotation is: (not (= 0 |old(~pumpRunning~0)|)) [2020-07-21 10:38:29,095 INFO L264 CegarLoopResult]: At program point stopSystemENTRY(lines 673 687) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|)))) (and (or .cse0 (= 0 ~pumpRunning~0)) (or .cse0 (<= 1 ~systemActive~0) (not (<= 1 |old(~systemActive~0)|))))) [2020-07-21 10:38:29,096 INFO L268 CegarLoopResult]: For program point L677(lines 677 683) no Hoare annotation was computed. [2020-07-21 10:38:29,096 INFO L268 CegarLoopResult]: For program point stopSystemFINAL(lines 673 687) no Hoare annotation was computed. [2020-07-21 10:38:29,096 INFO L268 CegarLoopResult]: For program point activatePump__wrappee__baseEXIT(lines 584 591) no Hoare annotation was computed. [2020-07-21 10:38:29,096 INFO L268 CegarLoopResult]: For program point activatePump__wrappee__baseENTRY(lines 584 591) no Hoare annotation was computed. [2020-07-21 10:38:29,096 INFO L268 CegarLoopResult]: For program point activatePump__wrappee__baseFINAL(lines 584 591) no Hoare annotation was computed. [2020-07-21 10:38:29,096 INFO L268 CegarLoopResult]: For program point isPumpRunningEXIT(lines 628 636) no Hoare annotation was computed. [2020-07-21 10:38:29,096 INFO L271 CegarLoopResult]: At program point isPumpRunningENTRY(lines 628 636) the Hoare annotation is: true [2020-07-21 10:38:29,097 INFO L268 CegarLoopResult]: For program point isPumpRunningFINAL(lines 628 636) no Hoare annotation was computed. [2020-07-21 10:38:29,097 INFO L268 CegarLoopResult]: For program point L667(line 667) no Hoare annotation was computed. [2020-07-21 10:38:29,097 INFO L268 CegarLoopResult]: For program point L667-1(line 667) no Hoare annotation was computed. [2020-07-21 10:38:29,097 INFO L268 CegarLoopResult]: For program point L656(lines 656 664) no Hoare annotation was computed. [2020-07-21 10:38:29,097 INFO L268 CegarLoopResult]: For program point printPumpFINAL(lines 637 672) no Hoare annotation was computed. [2020-07-21 10:38:29,097 INFO L268 CegarLoopResult]: For program point L656-2(lines 656 664) no Hoare annotation was computed. [2020-07-21 10:38:29,097 INFO L268 CegarLoopResult]: For program point printPumpENTRY(lines 637 672) no Hoare annotation was computed. [2020-07-21 10:38:29,097 INFO L268 CegarLoopResult]: For program point L644(lines 644 652) no Hoare annotation was computed. [2020-07-21 10:38:29,097 INFO L268 CegarLoopResult]: For program point printPumpEXIT(lines 637 672) no Hoare annotation was computed. [2020-07-21 10:38:29,097 INFO L268 CegarLoopResult]: For program point L644-2(lines 644 652) no Hoare annotation was computed. [2020-07-21 10:38:29,097 INFO L268 CegarLoopResult]: For program point select_featuresEXIT(lines 767 773) no Hoare annotation was computed. [2020-07-21 10:38:29,097 INFO L271 CegarLoopResult]: At program point select_featuresFINAL(lines 767 773) the Hoare annotation is: true [2020-07-21 10:38:29,098 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setENTRY(lines 152 197) no Hoare annotation was computed. [2020-07-21 10:38:29,098 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setEXIT(lines 152 197) no Hoare annotation was computed. [2020-07-21 10:38:29,098 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setFINAL(lines 152 197) no Hoare annotation was computed. [2020-07-21 10:38:29,098 INFO L268 CegarLoopResult]: For program point L479(lines 479 499) no Hoare annotation was computed. [2020-07-21 10:38:29,098 INFO L268 CegarLoopResult]: For program point L479-1(lines 479 499) no Hoare annotation was computed. [2020-07-21 10:38:29,101 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeFINAL(lines 465 510) no Hoare annotation was computed. [2020-07-21 10:38:29,101 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeENTRY(lines 465 510) no Hoare annotation was computed. [2020-07-21 10:38:29,101 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeEXIT(lines 465 510) no Hoare annotation was computed. [2020-07-21 10:38:29,102 INFO L268 CegarLoopResult]: For program point L485(lines 485 492) no Hoare annotation was computed. [2020-07-21 10:38:29,102 INFO L264 CegarLoopResult]: At program point L113(line 113) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~pumpRunning~0) (<= 1 ~systemActive~0)) (not (<= 1 |old(~systemActive~0)|))) [2020-07-21 10:38:29,102 INFO L264 CegarLoopResult]: At program point runTestENTRY(lines 108 118) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~pumpRunning~0) (<= 1 ~systemActive~0)) (not (<= 1 |old(~systemActive~0)|))) [2020-07-21 10:38:29,102 INFO L268 CegarLoopResult]: For program point runTestEXIT(lines 108 118) no Hoare annotation was computed. [2020-07-21 10:38:29,102 INFO L268 CegarLoopResult]: For program point runTestFINAL(lines 108 118) no Hoare annotation was computed. [2020-07-21 10:38:29,102 INFO L271 CegarLoopResult]: At program point isMethaneAlarmENTRY(lines 617 627) the Hoare annotation is: true [2020-07-21 10:38:29,102 INFO L271 CegarLoopResult]: At program point L622(line 622) the Hoare annotation is: true [2020-07-21 10:38:29,102 INFO L268 CegarLoopResult]: For program point L622-1(line 622) no Hoare annotation was computed. [2020-07-21 10:38:29,102 INFO L268 CegarLoopResult]: For program point isMethaneAlarmEXIT(lines 617 627) no Hoare annotation was computed. [2020-07-21 10:38:29,103 INFO L268 CegarLoopResult]: For program point isMethaneAlarmFINAL(lines 617 627) no Hoare annotation was computed. [2020-07-21 10:38:29,103 INFO L271 CegarLoopResult]: At program point deactivatePumpENTRY(lines 609 616) the Hoare annotation is: true [2020-07-21 10:38:29,103 INFO L268 CegarLoopResult]: For program point deactivatePumpEXIT(lines 609 616) no Hoare annotation was computed. [2020-07-21 10:38:29,103 INFO L268 CegarLoopResult]: For program point deactivatePumpFINAL(lines 609 616) no Hoare annotation was computed. [2020-07-21 10:38:29,103 INFO L268 CegarLoopResult]: For program point L578-1(lines 559 583) no Hoare annotation was computed. [2020-07-21 10:38:29,103 INFO L264 CegarLoopResult]: At program point L573(line 573) the Hoare annotation is: (not (= 0 |old(~pumpRunning~0)|)) [2020-07-21 10:38:29,103 INFO L264 CegarLoopResult]: At program point L569(line 569) the Hoare annotation is: (not (= 0 |old(~pumpRunning~0)|)) [2020-07-21 10:38:29,103 INFO L268 CegarLoopResult]: For program point L567(lines 567 575) no Hoare annotation was computed. [2020-07-21 10:38:29,104 INFO L268 CegarLoopResult]: For program point processEnvironmentEXIT(lines 559 583) no Hoare annotation was computed. [2020-07-21 10:38:29,104 INFO L264 CegarLoopResult]: At program point L565(line 565) the Hoare annotation is: (not (= 0 |old(~pumpRunning~0)|)) [2020-07-21 10:38:29,104 INFO L268 CegarLoopResult]: For program point L565-1(line 565) no Hoare annotation was computed. [2020-07-21 10:38:29,104 INFO L264 CegarLoopResult]: At program point processEnvironmentENTRY(lines 559 583) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= 0 ~pumpRunning~0)) [2020-07-21 10:38:29,104 INFO L268 CegarLoopResult]: For program point L563(lines 563 580) no Hoare annotation was computed. [2020-07-21 10:38:29,104 INFO L264 CegarLoopResult]: At program point L578(line 578) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= 0 ~pumpRunning~0)) [2020-07-21 10:38:29,105 INFO L264 CegarLoopResult]: At program point L737(line 737) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= 0 ~pumpRunning~0) (not (<= 1 |old(~systemActive~0)|))) [2020-07-21 10:38:29,105 INFO L264 CegarLoopResult]: At program point testENTRY(lines 689 754) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~pumpRunning~0) (<= 1 ~systemActive~0)) (not (<= 1 |old(~systemActive~0)|))) [2020-07-21 10:38:29,105 INFO L268 CegarLoopResult]: For program point L735(lines 735 741) no Hoare annotation was computed. [2020-07-21 10:38:29,105 INFO L264 CegarLoopResult]: At program point L735-1(lines 729 742) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= 0 ~pumpRunning~0) (not (<= 1 |old(~systemActive~0)|))) [2020-07-21 10:38:29,105 INFO L268 CegarLoopResult]: For program point L700(lines 699 746) no Hoare annotation was computed. [2020-07-21 10:38:29,105 INFO L268 CegarLoopResult]: For program point L729(lines 729 742) no Hoare annotation was computed. [2020-07-21 10:38:29,105 INFO L268 CegarLoopResult]: For program point testFINAL(lines 689 754) no Hoare annotation was computed. [2020-07-21 10:38:29,106 INFO L264 CegarLoopResult]: At program point L721(line 721) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= 0 ~pumpRunning~0) (not (<= 1 |old(~systemActive~0)|))) [2020-07-21 10:38:29,106 INFO L268 CegarLoopResult]: For program point L719(lines 719 725) no Hoare annotation was computed. [2020-07-21 10:38:29,106 INFO L268 CegarLoopResult]: For program point L719-1(lines 719 725) no Hoare annotation was computed. [2020-07-21 10:38:29,106 INFO L264 CegarLoopResult]: At program point L744(lines 699 746) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= 0 ~pumpRunning~0) (not (<= 1 |old(~systemActive~0)|))) [2020-07-21 10:38:29,106 INFO L264 CegarLoopResult]: At program point L711(line 711) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= 0 ~pumpRunning~0) (not (<= 1 |old(~systemActive~0)|))) [2020-07-21 10:38:29,106 INFO L268 CegarLoopResult]: For program point L709(lines 709 715) no Hoare annotation was computed. [2020-07-21 10:38:29,106 INFO L268 CegarLoopResult]: For program point L709-1(lines 709 715) no Hoare annotation was computed. [2020-07-21 10:38:29,107 INFO L268 CegarLoopResult]: For program point L701(lines 701 705) no Hoare annotation was computed. [2020-07-21 10:38:29,107 INFO L264 CegarLoopResult]: At program point L747(lines 698 748) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= 0 ~pumpRunning~0) (not (<= 1 |old(~systemActive~0)|))) [2020-07-21 10:38:29,107 INFO L268 CegarLoopResult]: For program point testEXIT(lines 689 754) no Hoare annotation was computed. [2020-07-21 10:38:29,107 INFO L268 CegarLoopResult]: For program point __utac__get_this_argENTRY(lines 419 464) no Hoare annotation was computed. [2020-07-21 10:38:29,107 INFO L268 CegarLoopResult]: For program point L439(lines 439 446) no Hoare annotation was computed. [2020-07-21 10:38:29,107 INFO L268 CegarLoopResult]: For program point __utac__get_this_argEXIT(lines 419 464) no Hoare annotation was computed. [2020-07-21 10:38:29,107 INFO L268 CegarLoopResult]: For program point L433(lines 433 453) no Hoare annotation was computed. [2020-07-21 10:38:29,108 INFO L268 CegarLoopResult]: For program point __utac__get_this_argFINAL(lines 419 464) no Hoare annotation was computed. [2020-07-21 10:38:29,108 INFO L268 CegarLoopResult]: For program point L433-1(lines 433 453) no Hoare annotation was computed. [2020-07-21 10:38:29,108 INFO L268 CegarLoopResult]: For program point L847(lines 847 855) no Hoare annotation was computed. [2020-07-21 10:38:29,108 INFO L268 CegarLoopResult]: For program point L847-2(lines 847 855) no Hoare annotation was computed. [2020-07-21 10:38:29,108 INFO L268 CegarLoopResult]: For program point printEnvironmentEXIT(lines 839 861) no Hoare annotation was computed. [2020-07-21 10:38:29,108 INFO L268 CegarLoopResult]: For program point printEnvironmentENTRY(lines 839 861) no Hoare annotation was computed. [2020-07-21 10:38:29,108 INFO L268 CegarLoopResult]: For program point printEnvironmentFINAL(lines 839 861) no Hoare annotation was computed. [2020-07-21 10:38:29,109 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtENTRY(lines 316 418) no Hoare annotation was computed. [2020-07-21 10:38:29,109 INFO L268 CegarLoopResult]: For program point L345(lines 345 361) no Hoare annotation was computed. [2020-07-21 10:38:29,109 INFO L268 CegarLoopResult]: For program point L405(lines 405 412) no Hoare annotation was computed. [2020-07-21 10:38:29,109 INFO L268 CegarLoopResult]: For program point L366(lines 365 385) no Hoare annotation was computed. [2020-07-21 10:38:29,109 INFO L268 CegarLoopResult]: For program point L397(line 397) no Hoare annotation was computed. [2020-07-21 10:38:29,109 INFO L268 CegarLoopResult]: For program point L397-1(line 397) no Hoare annotation was computed. [2020-07-21 10:38:29,109 INFO L268 CegarLoopResult]: For program point L362(lines 362 403) no Hoare annotation was computed. [2020-07-21 10:38:29,109 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtFINAL(lines 316 418) no Hoare annotation was computed. [2020-07-21 10:38:29,110 INFO L268 CegarLoopResult]: For program point L381(line 381) no Hoare annotation was computed. [2020-07-21 10:38:29,110 INFO L268 CegarLoopResult]: For program point L381-1(line 381) no Hoare annotation was computed. [2020-07-21 10:38:29,110 INFO L268 CegarLoopResult]: For program point L340(lines 340 344) no Hoare annotation was computed. [2020-07-21 10:38:29,110 INFO L268 CegarLoopResult]: For program point L404(lines 404 415) no Hoare annotation was computed. [2020-07-21 10:38:29,110 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtEXIT(lines 316 418) no Hoare annotation was computed. [2020-07-21 10:38:29,110 INFO L268 CegarLoopResult]: For program point L367(lines 367 371) no Hoare annotation was computed. [2020-07-21 10:38:29,111 INFO L268 CegarLoopResult]: For program point L365-2(lines 365 385) no Hoare annotation was computed. [2020-07-21 10:38:29,111 INFO L268 CegarLoopResult]: For program point L386(lines 364 387) no Hoare annotation was computed. [2020-07-21 10:38:29,111 INFO L268 CegarLoopResult]: For program point select_oneENTRY(lines 757 766) no Hoare annotation was computed. [2020-07-21 10:38:29,111 INFO L268 CegarLoopResult]: For program point select_oneFINAL(lines 757 766) no Hoare annotation was computed. [2020-07-21 10:38:29,111 INFO L268 CegarLoopResult]: For program point select_oneEXIT(lines 757 766) no Hoare annotation was computed. [2020-07-21 10:38:29,111 INFO L268 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-07-21 10:38:29,111 INFO L271 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: true [2020-07-21 10:38:29,112 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-07-21 10:38:29,112 INFO L268 CegarLoopResult]: For program point activatePumpEXIT(lines 592 608) no Hoare annotation was computed. [2020-07-21 10:38:29,112 INFO L268 CegarLoopResult]: For program point L603(line 603) no Hoare annotation was computed. [2020-07-21 10:38:29,112 INFO L268 CegarLoopResult]: For program point L603-1(lines 592 608) no Hoare annotation was computed. [2020-07-21 10:38:29,112 INFO L268 CegarLoopResult]: For program point activatePumpENTRY(lines 592 608) no Hoare annotation was computed. [2020-07-21 10:38:29,112 INFO L268 CegarLoopResult]: For program point L599(lines 599 605) no Hoare annotation was computed. [2020-07-21 10:38:29,112 INFO L268 CegarLoopResult]: For program point L597(line 597) no Hoare annotation was computed. [2020-07-21 10:38:29,113 INFO L268 CegarLoopResult]: For program point L597-1(line 597) no Hoare annotation was computed. [2020-07-21 10:38:29,113 INFO L271 CegarLoopResult]: At program point getWaterLevelENTRY(lines 862 870) the Hoare annotation is: true [2020-07-21 10:38:29,113 INFO L268 CegarLoopResult]: For program point getWaterLevelFINAL(lines 862 870) no Hoare annotation was computed. [2020-07-21 10:38:29,113 INFO L268 CegarLoopResult]: For program point getWaterLevelEXIT(lines 862 870) no Hoare annotation was computed. [2020-07-21 10:38:29,113 INFO L271 CegarLoopResult]: At program point changeMethaneLevelENTRY(lines 818 829) the Hoare annotation is: true [2020-07-21 10:38:29,113 INFO L268 CegarLoopResult]: For program point changeMethaneLevelEXIT(lines 818 829) no Hoare annotation was computed. [2020-07-21 10:38:29,113 INFO L268 CegarLoopResult]: For program point L822-1(lines 818 829) no Hoare annotation was computed. [2020-07-21 10:38:29,113 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intEXIT(line -1) no Hoare annotation was computed. [2020-07-21 10:38:29,114 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intENTRY(line -1) no Hoare annotation was computed. [2020-07-21 10:38:29,114 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intFINAL(line -1) no Hoare annotation was computed. [2020-07-21 10:38:29,114 INFO L264 CegarLoopResult]: At program point L540(line 540) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= 0 ~pumpRunning~0)) [2020-07-21 10:38:29,114 INFO L264 CegarLoopResult]: At program point L538(lines 538 544) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= 0 ~pumpRunning~0)) [2020-07-21 10:38:29,114 INFO L264 CegarLoopResult]: At program point L533(line 533) the Hoare annotation is: (not (= 0 |old(~pumpRunning~0)|)) [2020-07-21 10:38:29,114 INFO L268 CegarLoopResult]: For program point L531(lines 527 549) no Hoare annotation was computed. [2020-07-21 10:38:29,114 INFO L268 CegarLoopResult]: For program point L529(lines 527 549) no Hoare annotation was computed. [2020-07-21 10:38:29,115 INFO L264 CegarLoopResult]: At program point timeShiftENTRY(lines 524 550) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= 0 ~pumpRunning~0)) [2020-07-21 10:38:29,115 INFO L268 CegarLoopResult]: For program point timeShiftEXIT(lines 524 550) no Hoare annotation was computed. [2020-07-21 10:38:29,115 INFO L268 CegarLoopResult]: For program point timeShiftFINAL(lines 524 550) no Hoare annotation was computed. [2020-07-21 10:38:29,115 INFO L268 CegarLoopResult]: For program point cleanupEXIT(lines 42 71) no Hoare annotation was computed. [2020-07-21 10:38:29,115 INFO L268 CegarLoopResult]: For program point L63(line 63) no Hoare annotation was computed. [2020-07-21 10:38:29,115 INFO L264 CegarLoopResult]: At program point cleanupENTRY(lines 42 71) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= 0 ~pumpRunning~0)) [2020-07-21 10:38:29,115 INFO L268 CegarLoopResult]: For program point L56(lines 56 60) no Hoare annotation was computed. [2020-07-21 10:38:29,116 INFO L264 CegarLoopResult]: At program point L56-1(lines 56 60) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= 0 ~pumpRunning~0)) [2020-07-21 10:38:29,116 INFO L268 CegarLoopResult]: For program point L53(line 53) no Hoare annotation was computed. [2020-07-21 10:38:29,116 INFO L264 CegarLoopResult]: At program point L52-2(lines 52 66) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= 0 ~pumpRunning~0)) [2020-07-21 10:38:29,116 INFO L264 CegarLoopResult]: At program point L48(line 48) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= 0 ~pumpRunning~0)) [2020-07-21 10:38:29,116 INFO L268 CegarLoopResult]: For program point L48-1(line 48) no Hoare annotation was computed. [2020-07-21 10:38:29,116 INFO L271 CegarLoopResult]: At program point L67(lines 42 71) the Hoare annotation is: true [2020-07-21 10:38:29,116 INFO L271 CegarLoopResult]: At program point isMethaneLevelCriticalENTRY(lines 830 838) the Hoare annotation is: true [2020-07-21 10:38:29,117 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalFINAL(lines 830 838) no Hoare annotation was computed. [2020-07-21 10:38:29,117 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalEXIT(lines 830 838) no Hoare annotation was computed. [2020-07-21 10:38:29,117 INFO L271 CegarLoopResult]: At program point lowerWaterLevelENTRY(lines 794 805) the Hoare annotation is: true [2020-07-21 10:38:29,117 INFO L268 CegarLoopResult]: For program point L798-1(lines 794 805) no Hoare annotation was computed. [2020-07-21 10:38:29,117 INFO L268 CegarLoopResult]: For program point lowerWaterLevelEXIT(lines 794 805) no Hoare annotation was computed. [2020-07-21 10:38:29,117 INFO L268 CegarLoopResult]: For program point setupEXIT(lines 99 105) no Hoare annotation was computed. [2020-07-21 10:38:29,117 INFO L271 CegarLoopResult]: At program point setupFINAL(lines 99 105) the Hoare annotation is: true [2020-07-21 10:38:29,117 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-07-21 10:38:29,118 INFO L264 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (and (= 0 ~pumpRunning~0) (<= 1 ~systemActive~0)) [2020-07-21 10:38:29,118 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-07-21 10:38:29,118 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-07-21 10:38:29,118 INFO L268 CegarLoopResult]: For program point waterRiseEXIT(lines 806 817) no Hoare annotation was computed. [2020-07-21 10:38:29,118 INFO L268 CegarLoopResult]: For program point L810-1(lines 806 817) no Hoare annotation was computed. [2020-07-21 10:38:29,118 INFO L271 CegarLoopResult]: At program point waterRiseENTRY(lines 806 817) the Hoare annotation is: true [2020-07-21 10:38:29,118 INFO L268 CegarLoopResult]: For program point __automaton_failFINAL(lines 872 879) no Hoare annotation was computed. [2020-07-21 10:38:29,119 INFO L268 CegarLoopResult]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 876) no Hoare annotation was computed. [2020-07-21 10:38:29,119 INFO L271 CegarLoopResult]: At program point __automaton_failENTRY(lines 872 879) the Hoare annotation is: true [2020-07-21 10:38:29,119 INFO L268 CegarLoopResult]: For program point __automaton_failEXIT(lines 872 879) no Hoare annotation was computed. [2020-07-21 10:38:29,134 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 21.07 10:38:29 BoogieIcfgContainer [2020-07-21 10:38:29,134 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-07-21 10:38:29,137 INFO L168 Benchmark]: Toolchain (without parser) took 4817.52 ms. Allocated memory was 138.4 MB in the beginning and 250.1 MB in the end (delta: 111.7 MB). Free memory was 102.5 MB in the beginning and 157.2 MB in the end (delta: -54.8 MB). Peak memory consumption was 127.6 MB. Max. memory is 7.1 GB. [2020-07-21 10:38:29,138 INFO L168 Benchmark]: CDTParser took 0.20 ms. Allocated memory is still 138.4 MB. Free memory is still 121.1 MB. There was no memory consumed. Max. memory is 7.1 GB. [2020-07-21 10:38:29,139 INFO L168 Benchmark]: CACSL2BoogieTranslator took 654.54 ms. Allocated memory was 138.4 MB in the beginning and 201.9 MB in the end (delta: 63.4 MB). Free memory was 102.0 MB in the beginning and 172.3 MB in the end (delta: -70.3 MB). Peak memory consumption was 29.7 MB. Max. memory is 7.1 GB. [2020-07-21 10:38:29,140 INFO L168 Benchmark]: Boogie Preprocessor took 91.72 ms. Allocated memory is still 201.9 MB. Free memory was 172.3 MB in the beginning and 167.0 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 7.1 GB. [2020-07-21 10:38:29,141 INFO L168 Benchmark]: RCFGBuilder took 1073.95 ms. Allocated memory was 201.9 MB in the beginning and 234.9 MB in the end (delta: 33.0 MB). Free memory was 167.0 MB in the beginning and 198.4 MB in the end (delta: -31.5 MB). Peak memory consumption was 85.0 MB. Max. memory is 7.1 GB. [2020-07-21 10:38:29,142 INFO L168 Benchmark]: TraceAbstraction took 2990.86 ms. Allocated memory was 234.9 MB in the beginning and 250.1 MB in the end (delta: 15.2 MB). Free memory was 198.4 MB in the beginning and 157.2 MB in the end (delta: 41.2 MB). Peak memory consumption was 127.1 MB. Max. memory is 7.1 GB. [2020-07-21 10:38:29,146 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20 ms. Allocated memory is still 138.4 MB. Free memory is still 121.1 MB. There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 654.54 ms. Allocated memory was 138.4 MB in the beginning and 201.9 MB in the end (delta: 63.4 MB). Free memory was 102.0 MB in the beginning and 172.3 MB in the end (delta: -70.3 MB). Peak memory consumption was 29.7 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 91.72 ms. Allocated memory is still 201.9 MB. Free memory was 172.3 MB in the beginning and 167.0 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1073.95 ms. Allocated memory was 201.9 MB in the beginning and 234.9 MB in the end (delta: 33.0 MB). Free memory was 167.0 MB in the beginning and 198.4 MB in the end (delta: -31.5 MB). Peak memory consumption was 85.0 MB. Max. memory is 7.1 GB. * TraceAbstraction took 2990.86 ms. Allocated memory was 234.9 MB in the beginning and 250.1 MB in the end (delta: 15.2 MB). Free memory was 198.4 MB in the beginning and 157.2 MB in the end (delta: 41.2 MB). Peak memory consumption was 127.1 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 876]: 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: 699]: Loop Invariant Derived loop invariant: (!(0 == \old(pumpRunning)) || 0 == pumpRunning) || !(1 <= \old(systemActive)) - InvariantResult [Line: 52]: Loop Invariant Derived loop invariant: !(0 == \old(pumpRunning)) || 0 == pumpRunning - InvariantResult [Line: 42]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 698]: Loop Invariant Derived loop invariant: (!(0 == \old(pumpRunning)) || 0 == pumpRunning) || !(1 <= \old(systemActive)) - StatisticsResult: Ultimate Automizer benchmark data CFG has 39 procedures, 227 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 2.0s, OverallIterations: 3, TraceHistogramMax: 2, AutomataDifference: 0.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.8s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 407 SDtfs, 175 SDslu, 365 SDs, 0 SdLazy, 69 SolverSat, 5 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 194 GetRequests, 187 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=202occurred in iteration=2, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 3 MinimizatonAttempts, 4 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 55 LocationsWithAnnotation, 264 PreInvPairs, 297 NumberOfFragments, 363 HoareAnnotationTreeSize, 264 FomulaSimplifications, 48 FormulaSimplificationTreeSizeReduction, 0.3s HoareSimplificationTime, 55 FomulaSimplificationsInter, 508 FormulaSimplificationTreeSizeReductionInter, 0.3s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 195 NumberOfCodeBlocks, 195 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 192 ConstructedInterpolants, 0 QuantifiedInterpolants, 21310 SizeOfPredicates, 6 NumberOfNonLiveVariables, 2140 ConjunctsInSsa, 20 ConjunctsInUnsatCore, 3 InterpolantComputations, 3 PerfectInterpolantSequences, 9/9 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...