java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/product-lines/minepump_spec3_product21.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-112bae1 [2019-09-08 06:08:58,063 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-08 06:08:58,065 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-08 06:08:58,078 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-08 06:08:58,078 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-08 06:08:58,079 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-08 06:08:58,080 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-08 06:08:58,082 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-08 06:08:58,084 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-08 06:08:58,085 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-08 06:08:58,086 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-08 06:08:58,087 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-08 06:08:58,087 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-08 06:08:58,088 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-08 06:08:58,089 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-08 06:08:58,091 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-08 06:08:58,091 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-08 06:08:58,092 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-08 06:08:58,094 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-08 06:08:58,096 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-08 06:08:58,098 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-08 06:08:58,099 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-08 06:08:58,101 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-08 06:08:58,101 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-08 06:08:58,104 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-08 06:08:58,104 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-08 06:08:58,104 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-08 06:08:58,105 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-08 06:08:58,106 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-08 06:08:58,107 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-08 06:08:58,107 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-08 06:08:58,108 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-08 06:08:58,109 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-08 06:08:58,109 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-08 06:08:58,110 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-08 06:08:58,111 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-08 06:08:58,111 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-08 06:08:58,111 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-08 06:08:58,112 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-08 06:08:58,113 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-08 06:08:58,113 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-08 06:08:58,114 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 [2019-09-08 06:08:58,129 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-08 06:08:58,129 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-08 06:08:58,131 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-08 06:08:58,132 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-08 06:08:58,132 INFO L138 SettingsManager]: * Use SBE=true [2019-09-08 06:08:58,132 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-08 06:08:58,133 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-08 06:08:58,133 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-08 06:08:58,133 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-08 06:08:58,133 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-08 06:08:58,133 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-08 06:08:58,134 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-08 06:08:58,134 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-08 06:08:58,134 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-08 06:08:58,137 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-08 06:08:58,137 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-08 06:08:58,137 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-08 06:08:58,137 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-08 06:08:58,138 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-08 06:08:58,138 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-08 06:08:58,138 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-08 06:08:58,138 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-08 06:08:58,139 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-08 06:08:58,139 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-08 06:08:58,139 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-08 06:08:58,140 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-08 06:08:58,140 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-09-08 06:08:58,140 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-08 06:08:58,140 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-09-08 06:08:58,175 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-08 06:08:58,189 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-08 06:08:58,193 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-08 06:08:58,195 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-08 06:08:58,196 INFO L275 PluginConnector]: CDTParser initialized [2019-09-08 06:08:58,196 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec3_product21.cil.c [2019-09-08 06:08:58,277 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/40c317076/4bbc2b335e2e4c9b9cd6c41567897b08/FLAG15a966a2a [2019-09-08 06:08:58,845 INFO L306 CDTParser]: Found 1 translation units. [2019-09-08 06:08:58,845 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec3_product21.cil.c [2019-09-08 06:08:58,871 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/40c317076/4bbc2b335e2e4c9b9cd6c41567897b08/FLAG15a966a2a [2019-09-08 06:08:59,126 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/40c317076/4bbc2b335e2e4c9b9cd6c41567897b08 [2019-09-08 06:08:59,138 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-08 06:08:59,139 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-08 06:08:59,141 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-08 06:08:59,141 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-08 06:08:59,145 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-08 06:08:59,147 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.09 06:08:59" (1/1) ... [2019-09-08 06:08:59,150 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2baf7c8c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 06:08:59, skipping insertion in model container [2019-09-08 06:08:59,150 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.09 06:08:59" (1/1) ... [2019-09-08 06:08:59,159 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-08 06:08:59,233 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-08 06:08:59,815 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-08 06:08:59,829 INFO L188 MainTranslator]: Completed pre-run [2019-09-08 06:08:59,929 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-08 06:08:59,968 INFO L192 MainTranslator]: Completed translation [2019-09-08 06:08:59,969 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 06:08:59 WrapperNode [2019-09-08 06:08:59,969 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-08 06:08:59,970 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-08 06:08:59,970 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-08 06:08:59,970 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-08 06:08:59,981 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 06:08:59" (1/1) ... [2019-09-08 06:08:59,982 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 06:08:59" (1/1) ... [2019-09-08 06:09:00,001 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 06:08:59" (1/1) ... [2019-09-08 06:09:00,001 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 06:08:59" (1/1) ... [2019-09-08 06:09:00,034 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 06:08:59" (1/1) ... [2019-09-08 06:09:00,046 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 06:08:59" (1/1) ... [2019-09-08 06:09:00,053 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 06:08:59" (1/1) ... [2019-09-08 06:09:00,063 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-08 06:09:00,064 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-08 06:09:00,064 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-08 06:09:00,064 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-08 06:09:00,065 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 06:08:59" (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 [2019-09-08 06:09:00,133 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-08 06:09:00,133 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-08 06:09:00,133 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-09-08 06:09:00,134 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-09-08 06:09:00,134 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-09-08 06:09:00,134 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-09-08 06:09:00,134 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-09-08 06:09:00,134 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-09-08 06:09:00,135 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-09-08 06:09:00,135 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2019-09-08 06:09:00,135 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2019-09-08 06:09:00,135 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__lowWaterSensor [2019-09-08 06:09:00,135 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2019-09-08 06:09:00,135 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2019-09-08 06:09:00,136 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2019-09-08 06:09:00,136 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2019-09-08 06:09:00,136 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2019-09-08 06:09:00,136 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2019-09-08 06:09:00,136 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2019-09-08 06:09:00,137 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-09-08 06:09:00,137 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-09-08 06:09:00,137 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2019-09-08 06:09:00,137 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2019-09-08 06:09:00,137 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2019-09-08 06:09:00,137 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2019-09-08 06:09:00,138 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2019-09-08 06:09:00,138 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2019-09-08 06:09:00,138 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2019-09-08 06:09:00,138 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2019-09-08 06:09:00,138 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2019-09-08 06:09:00,138 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-09-08 06:09:00,139 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2019-09-08 06:09:00,139 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-08 06:09:00,139 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification3_spec__1 [2019-09-08 06:09:00,139 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-09-08 06:09:00,139 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-09-08 06:09:00,139 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-09-08 06:09:00,140 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-09-08 06:09:00,140 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-08 06:09:00,140 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-09-08 06:09:00,140 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-09-08 06:09:00,140 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-09-08 06:09:00,141 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-09-08 06:09:00,141 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-09-08 06:09:00,141 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-09-08 06:09:00,141 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-09-08 06:09:00,141 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-09-08 06:09:00,141 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-09-08 06:09:00,142 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-09-08 06:09:00,142 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-09-08 06:09:00,142 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-09-08 06:09:00,142 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-09-08 06:09:00,142 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-09-08 06:09:00,142 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-09-08 06:09:00,142 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-09-08 06:09:00,143 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-09-08 06:09:00,143 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-09-08 06:09:00,143 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-09-08 06:09:00,143 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2019-09-08 06:09:00,143 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2019-09-08 06:09:00,143 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2019-09-08 06:09:00,144 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2019-09-08 06:09:00,144 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2019-09-08 06:09:00,144 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2019-09-08 06:09:00,144 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2019-09-08 06:09:00,144 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2019-09-08 06:09:00,144 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2019-09-08 06:09:00,145 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification3_spec__1 [2019-09-08 06:09:00,145 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2019-09-08 06:09:00,145 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2019-09-08 06:09:00,145 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2019-09-08 06:09:00,145 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__lowWaterSensor [2019-09-08 06:09:00,145 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2019-09-08 06:09:00,145 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-09-08 06:09:00,146 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2019-09-08 06:09:00,146 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2019-09-08 06:09:00,146 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2019-09-08 06:09:00,146 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-09-08 06:09:00,146 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2019-09-08 06:09:00,146 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2019-09-08 06:09:00,147 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-09-08 06:09:00,147 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2019-09-08 06:09:00,147 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-09-08 06:09:00,147 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-09-08 06:09:00,147 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-09-08 06:09:00,147 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-08 06:09:00,148 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-09-08 06:09:00,148 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-08 06:09:00,148 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-09-08 06:09:00,148 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-08 06:09:01,252 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-08 06:09:01,253 INFO L283 CfgBuilder]: Removed 5 assume(true) statements. [2019-09-08 06:09:01,255 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.09 06:09:01 BoogieIcfgContainer [2019-09-08 06:09:01,255 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-08 06:09:01,256 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-09-08 06:09:01,256 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-09-08 06:09:01,260 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-09-08 06:09:01,260 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.09 06:08:59" (1/3) ... [2019-09-08 06:09:01,262 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@b1d2e57 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.09 06:09:01, skipping insertion in model container [2019-09-08 06:09:01,262 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 06:08:59" (2/3) ... [2019-09-08 06:09:01,263 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@b1d2e57 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.09 06:09:01, skipping insertion in model container [2019-09-08 06:09:01,263 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.09 06:09:01" (3/3) ... [2019-09-08 06:09:01,265 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec3_product21.cil.c [2019-09-08 06:09:01,275 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-09-08 06:09:01,286 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-09-08 06:09:01,303 INFO L252 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-09-08 06:09:01,349 INFO L128 ementStrategyFactory]: Using default assertion order modulation [2019-09-08 06:09:01,350 INFO L377 AbstractCegarLoop]: Interprodecural is true [2019-09-08 06:09:01,350 INFO L378 AbstractCegarLoop]: Hoare is true [2019-09-08 06:09:01,350 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-09-08 06:09:01,350 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-09-08 06:09:01,351 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-09-08 06:09:01,351 INFO L382 AbstractCegarLoop]: Difference is false [2019-09-08 06:09:01,351 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-09-08 06:09:01,351 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-09-08 06:09:01,377 INFO L276 IsEmpty]: Start isEmpty. Operand 168 states. [2019-09-08 06:09:01,387 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2019-09-08 06:09:01,388 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 06:09:01,389 INFO L399 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-08 06:09:01,391 INFO L418 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-08 06:09:01,397 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 06:09:01,397 INFO L82 PathProgramCache]: Analyzing trace with hash -93036640, now seen corresponding path program 1 times [2019-09-08 06:09:01,399 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 06:09:01,400 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 06:09:01,451 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 06:09:01,452 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 06:09:01,452 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 06:09:01,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 06:09:01,742 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-09-08 06:09:01,745 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-08 06:09:01,745 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-09-08 06:09:01,750 INFO L454 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-09-08 06:09:01,765 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-09-08 06:09:01,766 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-09-08 06:09:01,769 INFO L87 Difference]: Start difference. First operand 168 states. Second operand 2 states. [2019-09-08 06:09:01,838 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-08 06:09:01,838 INFO L93 Difference]: Finished difference Result 250 states and 313 transitions. [2019-09-08 06:09:01,838 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-09-08 06:09:01,839 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 52 [2019-09-08 06:09:01,840 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-08 06:09:01,854 INFO L225 Difference]: With dead ends: 250 [2019-09-08 06:09:01,855 INFO L226 Difference]: Without dead ends: 125 [2019-09-08 06:09:01,859 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-09-08 06:09:01,876 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 125 states. [2019-09-08 06:09:01,908 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 125 to 125. [2019-09-08 06:09:01,909 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 125 states. [2019-09-08 06:09:01,912 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 125 states to 125 states and 148 transitions. [2019-09-08 06:09:01,914 INFO L78 Accepts]: Start accepts. Automaton has 125 states and 148 transitions. Word has length 52 [2019-09-08 06:09:01,915 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-08 06:09:01,915 INFO L475 AbstractCegarLoop]: Abstraction has 125 states and 148 transitions. [2019-09-08 06:09:01,915 INFO L476 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-09-08 06:09:01,915 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 148 transitions. [2019-09-08 06:09:01,921 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2019-09-08 06:09:01,921 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 06:09:01,921 INFO L399 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-08 06:09:01,922 INFO L418 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-08 06:09:01,922 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 06:09:01,922 INFO L82 PathProgramCache]: Analyzing trace with hash 1403357497, now seen corresponding path program 1 times [2019-09-08 06:09:01,922 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 06:09:01,923 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 06:09:01,924 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 06:09:01,924 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 06:09:01,924 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 06:09:01,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 06:09:02,035 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-09-08 06:09:02,035 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-08 06:09:02,035 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-09-08 06:09:02,037 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-09-08 06:09:02,037 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-09-08 06:09:02,038 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-08 06:09:02,038 INFO L87 Difference]: Start difference. First operand 125 states and 148 transitions. Second operand 3 states. [2019-09-08 06:09:02,058 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-08 06:09:02,059 INFO L93 Difference]: Finished difference Result 199 states and 235 transitions. [2019-09-08 06:09:02,059 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-09-08 06:09:02,060 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 53 [2019-09-08 06:09:02,060 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-08 06:09:02,062 INFO L225 Difference]: With dead ends: 199 [2019-09-08 06:09:02,062 INFO L226 Difference]: Without dead ends: 116 [2019-09-08 06:09:02,064 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-08 06:09:02,064 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 116 states. [2019-09-08 06:09:02,077 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 116 to 116. [2019-09-08 06:09:02,077 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 116 states. [2019-09-08 06:09:02,078 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 116 states to 116 states and 136 transitions. [2019-09-08 06:09:02,078 INFO L78 Accepts]: Start accepts. Automaton has 116 states and 136 transitions. Word has length 53 [2019-09-08 06:09:02,079 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-08 06:09:02,079 INFO L475 AbstractCegarLoop]: Abstraction has 116 states and 136 transitions. [2019-09-08 06:09:02,079 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-09-08 06:09:02,079 INFO L276 IsEmpty]: Start isEmpty. Operand 116 states and 136 transitions. [2019-09-08 06:09:02,082 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2019-09-08 06:09:02,082 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 06:09:02,082 INFO L399 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-08 06:09:02,082 INFO L418 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-08 06:09:02,082 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 06:09:02,083 INFO L82 PathProgramCache]: Analyzing trace with hash -1713517472, now seen corresponding path program 1 times [2019-09-08 06:09:02,083 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 06:09:02,083 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 06:09:02,084 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 06:09:02,084 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 06:09:02,084 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 06:09:02,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 06:09:02,243 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-09-08 06:09:02,244 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-08 06:09:02,244 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-09-08 06:09:02,245 INFO L454 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-09-08 06:09:02,245 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-09-08 06:09:02,246 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2019-09-08 06:09:02,246 INFO L87 Difference]: Start difference. First operand 116 states and 136 transitions. Second operand 7 states. [2019-09-08 06:09:02,647 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-08 06:09:02,648 INFO L93 Difference]: Finished difference Result 208 states and 249 transitions. [2019-09-08 06:09:02,650 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-09-08 06:09:02,650 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 57 [2019-09-08 06:09:02,651 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-08 06:09:02,652 INFO L225 Difference]: With dead ends: 208 [2019-09-08 06:09:02,652 INFO L226 Difference]: Without dead ends: 116 [2019-09-08 06:09:02,655 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2019-09-08 06:09:02,655 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 116 states. [2019-09-08 06:09:02,677 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 116 to 116. [2019-09-08 06:09:02,677 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 116 states. [2019-09-08 06:09:02,678 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 116 states to 116 states and 135 transitions. [2019-09-08 06:09:02,679 INFO L78 Accepts]: Start accepts. Automaton has 116 states and 135 transitions. Word has length 57 [2019-09-08 06:09:02,679 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-08 06:09:02,679 INFO L475 AbstractCegarLoop]: Abstraction has 116 states and 135 transitions. [2019-09-08 06:09:02,679 INFO L476 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-09-08 06:09:02,679 INFO L276 IsEmpty]: Start isEmpty. Operand 116 states and 135 transitions. [2019-09-08 06:09:02,682 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2019-09-08 06:09:02,682 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 06:09:02,682 INFO L399 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-08 06:09:02,682 INFO L418 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-08 06:09:02,683 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 06:09:02,683 INFO L82 PathProgramCache]: Analyzing trace with hash -949895556, now seen corresponding path program 1 times [2019-09-08 06:09:02,683 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 06:09:02,683 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 06:09:02,684 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 06:09:02,684 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 06:09:02,685 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 06:09:02,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 06:09:02,851 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-09-08 06:09:02,852 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-08 06:09:02,852 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-09-08 06:09:02,853 INFO L454 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-09-08 06:09:02,853 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-09-08 06:09:02,853 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-09-08 06:09:02,854 INFO L87 Difference]: Start difference. First operand 116 states and 135 transitions. Second operand 6 states. [2019-09-08 06:09:03,090 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-08 06:09:03,090 INFO L93 Difference]: Finished difference Result 289 states and 353 transitions. [2019-09-08 06:09:03,091 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-09-08 06:09:03,091 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 70 [2019-09-08 06:09:03,094 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-08 06:09:03,101 INFO L225 Difference]: With dead ends: 289 [2019-09-08 06:09:03,102 INFO L226 Difference]: Without dead ends: 197 [2019-09-08 06:09:03,103 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2019-09-08 06:09:03,103 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 197 states. [2019-09-08 06:09:03,143 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 197 to 195. [2019-09-08 06:09:03,143 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 195 states. [2019-09-08 06:09:03,145 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 195 states to 195 states and 233 transitions. [2019-09-08 06:09:03,145 INFO L78 Accepts]: Start accepts. Automaton has 195 states and 233 transitions. Word has length 70 [2019-09-08 06:09:03,146 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-08 06:09:03,146 INFO L475 AbstractCegarLoop]: Abstraction has 195 states and 233 transitions. [2019-09-08 06:09:03,146 INFO L476 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-09-08 06:09:03,146 INFO L276 IsEmpty]: Start isEmpty. Operand 195 states and 233 transitions. [2019-09-08 06:09:03,148 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2019-09-08 06:09:03,149 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 06:09:03,149 INFO L399 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-08 06:09:03,149 INFO L418 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-08 06:09:03,149 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 06:09:03,149 INFO L82 PathProgramCache]: Analyzing trace with hash 807382646, now seen corresponding path program 1 times [2019-09-08 06:09:03,150 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 06:09:03,150 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 06:09:03,151 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 06:09:03,151 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 06:09:03,151 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 06:09:03,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 06:09:03,259 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-09-08 06:09:03,259 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-08 06:09:03,259 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-09-08 06:09:03,260 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-09-08 06:09:03,260 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-09-08 06:09:03,261 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-08 06:09:03,261 INFO L87 Difference]: Start difference. First operand 195 states and 233 transitions. Second operand 3 states. [2019-09-08 06:09:03,284 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-08 06:09:03,284 INFO L93 Difference]: Finished difference Result 304 states and 370 transitions. [2019-09-08 06:09:03,284 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-09-08 06:09:03,285 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 74 [2019-09-08 06:09:03,285 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-08 06:09:03,286 INFO L225 Difference]: With dead ends: 304 [2019-09-08 06:09:03,287 INFO L226 Difference]: Without dead ends: 133 [2019-09-08 06:09:03,288 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-08 06:09:03,288 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 133 states. [2019-09-08 06:09:03,297 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 133 to 133. [2019-09-08 06:09:03,298 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 133 states. [2019-09-08 06:09:03,299 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 133 states to 133 states and 148 transitions. [2019-09-08 06:09:03,299 INFO L78 Accepts]: Start accepts. Automaton has 133 states and 148 transitions. Word has length 74 [2019-09-08 06:09:03,299 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-08 06:09:03,300 INFO L475 AbstractCegarLoop]: Abstraction has 133 states and 148 transitions. [2019-09-08 06:09:03,300 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-09-08 06:09:03,300 INFO L276 IsEmpty]: Start isEmpty. Operand 133 states and 148 transitions. [2019-09-08 06:09:03,301 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2019-09-08 06:09:03,301 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 06:09:03,302 INFO L399 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-08 06:09:03,302 INFO L418 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-08 06:09:03,302 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 06:09:03,302 INFO L82 PathProgramCache]: Analyzing trace with hash -1700935146, now seen corresponding path program 1 times [2019-09-08 06:09:03,302 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 06:09:03,303 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 06:09:03,303 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 06:09:03,304 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 06:09:03,304 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 06:09:03,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-09-08 06:09:03,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-09-08 06:09:03,995 INFO L466 BasicCegarLoop]: Counterexample might be feasible [2019-09-08 06:09:04,168 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 08.09 06:09:04 BoogieIcfgContainer [2019-09-08 06:09:04,168 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-09-08 06:09:04,172 INFO L168 Benchmark]: Toolchain (without parser) took 5030.77 ms. Allocated memory was 135.3 MB in the beginning and 252.2 MB in the end (delta: 116.9 MB). Free memory was 88.7 MB in the beginning and 134.3 MB in the end (delta: -45.6 MB). Peak memory consumption was 120.4 MB. Max. memory is 7.1 GB. [2019-09-08 06:09:04,174 INFO L168 Benchmark]: CDTParser took 0.45 ms. Allocated memory is still 135.3 MB. Free memory was 108.3 MB in the beginning and 108.1 MB in the end (delta: 209.7 kB). Peak memory consumption was 209.7 kB. Max. memory is 7.1 GB. [2019-09-08 06:09:04,176 INFO L168 Benchmark]: CACSL2BoogieTranslator took 828.75 ms. Allocated memory was 135.3 MB in the beginning and 206.0 MB in the end (delta: 70.8 MB). Free memory was 88.5 MB in the beginning and 169.7 MB in the end (delta: -81.2 MB). Peak memory consumption was 26.8 MB. Max. memory is 7.1 GB. [2019-09-08 06:09:04,177 INFO L168 Benchmark]: Boogie Preprocessor took 93.56 ms. Allocated memory is still 206.0 MB. Free memory was 169.7 MB in the beginning and 165.6 MB in the end (delta: 4.1 MB). Peak memory consumption was 4.1 MB. Max. memory is 7.1 GB. [2019-09-08 06:09:04,179 INFO L168 Benchmark]: RCFGBuilder took 1191.13 ms. Allocated memory was 206.0 MB in the beginning and 234.4 MB in the end (delta: 28.3 MB). Free memory was 165.6 MB in the beginning and 198.3 MB in the end (delta: -32.7 MB). Peak memory consumption was 84.6 MB. Max. memory is 7.1 GB. [2019-09-08 06:09:04,181 INFO L168 Benchmark]: TraceAbstraction took 2912.16 ms. Allocated memory was 234.4 MB in the beginning and 252.2 MB in the end (delta: 17.8 MB). Free memory was 197.0 MB in the beginning and 134.3 MB in the end (delta: 62.7 MB). Peak memory consumption was 129.6 MB. Max. memory is 7.1 GB. [2019-09-08 06:09:04,193 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.45 ms. Allocated memory is still 135.3 MB. Free memory was 108.3 MB in the beginning and 108.1 MB in the end (delta: 209.7 kB). Peak memory consumption was 209.7 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 828.75 ms. Allocated memory was 135.3 MB in the beginning and 206.0 MB in the end (delta: 70.8 MB). Free memory was 88.5 MB in the beginning and 169.7 MB in the end (delta: -81.2 MB). Peak memory consumption was 26.8 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 93.56 ms. Allocated memory is still 206.0 MB. Free memory was 169.7 MB in the beginning and 165.6 MB in the end (delta: 4.1 MB). Peak memory consumption was 4.1 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1191.13 ms. Allocated memory was 206.0 MB in the beginning and 234.4 MB in the end (delta: 28.3 MB). Free memory was 165.6 MB in the beginning and 198.3 MB in the end (delta: -32.7 MB). Peak memory consumption was 84.6 MB. Max. memory is 7.1 GB. * TraceAbstraction took 2912.16 ms. Allocated memory was 234.4 MB in the beginning and 252.2 MB in the end (delta: 17.8 MB). Free memory was 197.0 MB in the beginning and 134.3 MB in the end (delta: 62.7 MB). Peak memory consumption was 129.6 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 598]: a call of __VERIFIER_error() is reachable a call of __VERIFIER_error() is reachable We found a FailurePath: [L209] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L415] int pumpRunning = 0; [L416] int systemActive = 1; [L672] int waterLevel = 1; [L673] int methaneLevelCritical = 0; [L761] int cleanupTimeShifts = 4; VAL [\old(cleanupTimeShifts)=172, \old(head)=162, \old(head)=176, \old(methaneLevelCritical)=146, \old(pumpRunning)=133, \old(systemActive)=132, \old(waterLevel)=139, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L837] int retValue_acc ; [L838] int tmp ; VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L842] FCALL select_helpers() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L843] FCALL select_features() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L844] CALL, EXPR valid_product() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L920] int retValue_acc ; [L923] retValue_acc = 1 [L924] return (retValue_acc); VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=1, \result=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, retValue_acc=1, systemActive=1, waterLevel=1] [L844] RET, EXPR valid_product() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, valid_product()=1, waterLevel=1] [L844] tmp = valid_product() [L846] COND TRUE \read(tmp) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, tmp=1, waterLevel=1] [L848] FCALL setup() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, tmp=1, waterLevel=1] [L849] CALL runTest() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L828] CALL test() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L607] int splverifierCounter ; [L608] int tmp ; [L609] int tmp___0 ; [L610] int tmp___1 ; [L611] int tmp___2 ; [L614] splverifierCounter = 0 VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] [L616] COND TRUE 1 VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] [L618] COND TRUE splverifierCounter < 4 VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] [L624] tmp = __VERIFIER_nondet_int() [L626] COND TRUE \read(tmp) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, tmp=1, waterLevel=1] [L628] CALL waterRise() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L690] COND TRUE waterLevel < 2 [L691] waterLevel = waterLevel + 1 VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L628] RET waterRise() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, tmp=1, waterLevel=2] [L634] tmp___0 = __VERIFIER_nondet_int() [L636] COND FALSE !(\read(tmp___0)) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, tmp=1, tmp___0=0, waterLevel=2] [L644] tmp___2 = __VERIFIER_nondet_int() [L646] COND TRUE \read(tmp___2) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, tmp=1, tmp___0=0, tmp___2=1, waterLevel=2] [L659] CALL timeShift() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L423] COND FALSE !(\read(pumpRunning)) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L430] COND TRUE \read(systemActive) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L432] CALL processEnvironment() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L478] int tmp ; VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L481] COND FALSE !(\read(pumpRunning)) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L496] CALL processEnvironment__wrappee__lowWaterSensor() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L452] int tmp ; VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L455] COND FALSE !(\read(pumpRunning)) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L470] FCALL processEnvironment__wrappee__base() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L496] RET processEnvironment__wrappee__lowWaterSensor() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L432] RET processEnvironment() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L438] CALL __utac_acc__Specification3_spec__1() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L861] int tmp ; [L862] int tmp___0 ; [L863] int tmp___1 ; VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L867] CALL, EXPR isMethaneLevelCritical() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L711] int retValue_acc ; [L714] retValue_acc = methaneLevelCritical [L715] return (retValue_acc); VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, \result=0, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, retValue_acc=0, systemActive=1, waterLevel=2] [L867] RET, EXPR isMethaneLevelCritical() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, isMethaneLevelCritical()=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L867] tmp = isMethaneLevelCritical() [L869] COND FALSE !(\read(tmp)) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, tmp=0, waterLevel=2] [L873] CALL, EXPR getWaterLevel() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L743] int retValue_acc ; [L746] retValue_acc = waterLevel [L747] return (retValue_acc); VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, \result=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, retValue_acc=2, systemActive=1, waterLevel=2] [L873] RET, EXPR getWaterLevel() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, getWaterLevel()=2, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, tmp=0, waterLevel=2] [L873] tmp___0 = getWaterLevel() [L875] COND TRUE tmp___0 == 2 VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, tmp=0, tmp___0=2, waterLevel=2] [L877] CALL, EXPR isPumpRunning() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L530] int retValue_acc ; [L533] retValue_acc = pumpRunning [L534] return (retValue_acc); VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, \result=0, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, retValue_acc=0, systemActive=1, waterLevel=2] [L877] RET, EXPR isPumpRunning() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, isPumpRunning()=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, tmp=0, tmp___0=2, waterLevel=2] [L877] tmp___1 = isPumpRunning() [L879] COND FALSE !(\read(tmp___1)) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, tmp=0, tmp___0=2, tmp___1=0, waterLevel=2] [L883] CALL __automaton_fail() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L598] __VERIFIER_error() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] - StatisticsResult: Ultimate Automizer benchmark data CFG has 38 procedures, 227 locations, 1 error locations. UNSAFE Result, 2.8s OverallTime, 6 OverallIterations, 1 TraceHistogramMax, 0.8s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 663 SDtfs, 359 SDslu, 907 SDs, 0 SdLazy, 204 SolverSat, 58 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.4s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 35 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=195occurred in iteration=4, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 5 MinimizatonAttempts, 2 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.6s SatisfiabilityAnalysisTime, 0.4s InterpolantComputationTime, 380 NumberOfCodeBlocks, 380 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 301 ConstructedInterpolants, 0 QuantifiedInterpolants, 30679 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 5 InterpolantComputations, 5 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! Received shutdown request...