./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec1_product44_false-unreach-call_false-termination.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 635dfa2a Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_0b181565-f88f-4362-93dd-8cc1630efa53/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_0b181565-f88f-4362-93dd-8cc1630efa53/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_0b181565-f88f-4362-93dd-8cc1630efa53/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_0b181565-f88f-4362-93dd-8cc1630efa53/bin-2019/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec1_product44_false-unreach-call_false-termination.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_0b181565-f88f-4362-93dd-8cc1630efa53/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_0b181565-f88f-4362-93dd-8cc1630efa53/bin-2019/uautomizer --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash b18fc9f0044b48e81511337a91deb94a0dfeec26 .......................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE --- Real Ultimate output --- This is Ultimate 0.1.23-635dfa2 [2018-12-02 06:03:34,687 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-02 06:03:34,688 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-02 06:03:34,696 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-02 06:03:34,696 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-02 06:03:34,697 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-02 06:03:34,697 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-02 06:03:34,699 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-02 06:03:34,700 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-02 06:03:34,700 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-02 06:03:34,701 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-02 06:03:34,701 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-02 06:03:34,702 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-02 06:03:34,702 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-02 06:03:34,703 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-02 06:03:34,704 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-02 06:03:34,704 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-02 06:03:34,706 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-02 06:03:34,707 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-02 06:03:34,708 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-02 06:03:34,709 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-02 06:03:34,710 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-02 06:03:34,711 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-02 06:03:34,711 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-02 06:03:34,712 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-02 06:03:34,712 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-02 06:03:34,713 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-02 06:03:34,713 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-02 06:03:34,714 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-02 06:03:34,715 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-02 06:03:34,715 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-02 06:03:34,715 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-02 06:03:34,715 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-02 06:03:34,716 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-02 06:03:34,716 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-02 06:03:34,717 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-02 06:03:34,717 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_0b181565-f88f-4362-93dd-8cc1630efa53/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2018-12-02 06:03:34,727 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-02 06:03:34,727 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-02 06:03:34,728 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-02 06:03:34,728 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-12-02 06:03:34,728 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-12-02 06:03:34,729 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-12-02 06:03:34,729 INFO L133 SettingsManager]: * Use SBE=true [2018-12-02 06:03:34,729 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-02 06:03:34,729 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-02 06:03:34,729 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-02 06:03:34,729 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-02 06:03:34,729 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-02 06:03:34,729 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-02 06:03:34,730 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-02 06:03:34,730 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-02 06:03:34,730 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-02 06:03:34,730 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-02 06:03:34,730 INFO L133 SettingsManager]: * Use constant arrays=true [2018-12-02 06:03:34,730 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-02 06:03:34,730 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-02 06:03:34,730 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-12-02 06:03:34,731 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-02 06:03:34,731 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-12-02 06:03:34,731 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-02 06:03:34,731 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-02 06:03:34,731 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-02 06:03:34,731 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-02 06:03:34,731 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-12-02 06:03:34,731 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-02 06:03:34,731 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-12-02 06:03:34,731 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/working_dir_0b181565-f88f-4362-93dd-8cc1630efa53/bin-2019/uautomizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b18fc9f0044b48e81511337a91deb94a0dfeec26 [2018-12-02 06:03:34,755 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-02 06:03:34,765 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-02 06:03:34,768 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-02 06:03:34,769 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-02 06:03:34,769 INFO L276 PluginConnector]: CDTParser initialized [2018-12-02 06:03:34,770 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_0b181565-f88f-4362-93dd-8cc1630efa53/bin-2019/uautomizer/../../sv-benchmarks/c/product-lines/minepump_spec1_product44_false-unreach-call_false-termination.cil.c [2018-12-02 06:03:34,814 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_0b181565-f88f-4362-93dd-8cc1630efa53/bin-2019/uautomizer/data/92f5b8163/6ad8f27c069f4befbdb1913402717c58/FLAG1c6fdc8dd [2018-12-02 06:03:35,187 INFO L307 CDTParser]: Found 1 translation units. [2018-12-02 06:03:35,188 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_0b181565-f88f-4362-93dd-8cc1630efa53/sv-benchmarks/c/product-lines/minepump_spec1_product44_false-unreach-call_false-termination.cil.c [2018-12-02 06:03:35,194 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_0b181565-f88f-4362-93dd-8cc1630efa53/bin-2019/uautomizer/data/92f5b8163/6ad8f27c069f4befbdb1913402717c58/FLAG1c6fdc8dd [2018-12-02 06:03:35,556 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_0b181565-f88f-4362-93dd-8cc1630efa53/bin-2019/uautomizer/data/92f5b8163/6ad8f27c069f4befbdb1913402717c58 [2018-12-02 06:03:35,560 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-02 06:03:35,561 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-02 06:03:35,562 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-02 06:03:35,562 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-02 06:03:35,566 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-02 06:03:35,567 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 06:03:35" (1/1) ... [2018-12-02 06:03:35,569 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6952e9a7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:03:35, skipping insertion in model container [2018-12-02 06:03:35,569 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 06:03:35" (1/1) ... [2018-12-02 06:03:35,573 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-02 06:03:35,593 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-02 06:03:35,736 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-02 06:03:35,776 INFO L191 MainTranslator]: Completed pre-run [2018-12-02 06:03:35,816 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-02 06:03:35,831 INFO L195 MainTranslator]: Completed translation [2018-12-02 06:03:35,832 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:03:35 WrapperNode [2018-12-02 06:03:35,832 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-02 06:03:35,832 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-02 06:03:35,832 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-02 06:03:35,832 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-02 06:03:35,837 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:03:35" (1/1) ... [2018-12-02 06:03:35,846 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:03:35" (1/1) ... [2018-12-02 06:03:35,851 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-02 06:03:35,851 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-02 06:03:35,852 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-02 06:03:35,852 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-02 06:03:35,857 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:03:35" (1/1) ... [2018-12-02 06:03:35,857 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:03:35" (1/1) ... [2018-12-02 06:03:35,859 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:03:35" (1/1) ... [2018-12-02 06:03:35,859 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:03:35" (1/1) ... [2018-12-02 06:03:35,866 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:03:35" (1/1) ... [2018-12-02 06:03:35,869 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:03:35" (1/1) ... [2018-12-02 06:03:35,871 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:03:35" (1/1) ... [2018-12-02 06:03:35,872 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-02 06:03:35,873 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-02 06:03:35,873 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-02 06:03:35,873 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-02 06:03:35,874 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:03:35" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_0b181565-f88f-4362-93dd-8cc1630efa53/bin-2019/uautomizer/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 [2018-12-02 06:03:35,904 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2018-12-02 06:03:35,904 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2018-12-02 06:03:35,904 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-12-02 06:03:35,904 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-12-02 06:03:35,904 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2018-12-02 06:03:35,904 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2018-12-02 06:03:35,904 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-12-02 06:03:35,904 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2018-12-02 06:03:35,904 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2018-12-02 06:03:35,904 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2018-12-02 06:03:35,904 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2018-12-02 06:03:35,905 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2018-12-02 06:03:35,905 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2018-12-02 06:03:35,905 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2018-12-02 06:03:35,905 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2018-12-02 06:03:35,905 INFO L130 BoogieDeclarations]: Found specification of procedure test [2018-12-02 06:03:35,905 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2018-12-02 06:03:35,905 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2018-12-02 06:03:35,905 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2018-12-02 06:03:35,905 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2018-12-02 06:03:35,905 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2018-12-02 06:03:35,905 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2018-12-02 06:03:35,905 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2018-12-02 06:03:35,905 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2018-12-02 06:03:35,905 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2018-12-02 06:03:35,906 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2018-12-02 06:03:35,906 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2018-12-02 06:03:35,906 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2018-12-02 06:03:35,906 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2018-12-02 06:03:35,906 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2018-12-02 06:03:35,906 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2018-12-02 06:03:35,906 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2018-12-02 06:03:35,906 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2018-12-02 06:03:35,906 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2018-12-02 06:03:35,906 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2018-12-02 06:03:35,906 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2018-12-02 06:03:35,907 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2018-12-02 06:03:35,907 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2018-12-02 06:03:35,907 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2018-12-02 06:03:35,907 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2018-12-02 06:03:35,907 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2018-12-02 06:03:35,907 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2018-12-02 06:03:35,907 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2018-12-02 06:03:35,907 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2018-12-02 06:03:35,907 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2018-12-02 06:03:35,907 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__highWaterSensor [2018-12-02 06:03:35,907 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__highWaterSensor [2018-12-02 06:03:35,907 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2018-12-02 06:03:35,907 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-12-02 06:03:35,907 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-12-02 06:03:35,907 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2018-12-02 06:03:35,908 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2018-12-02 06:03:35,908 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2018-12-02 06:03:35,908 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2018-12-02 06:03:35,908 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-02 06:03:35,908 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-02 06:03:35,908 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification1_spec__1 [2018-12-02 06:03:35,908 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification1_spec__1 [2018-12-02 06:03:36,175 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-02 06:03:36,175 INFO L280 CfgBuilder]: Removed 2 assue(true) statements. [2018-12-02 06:03:36,176 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 06:03:36 BoogieIcfgContainer [2018-12-02 06:03:36,176 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-02 06:03:36,176 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-12-02 06:03:36,176 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-12-02 06:03:36,179 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-12-02 06:03:36,179 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.12 06:03:35" (1/3) ... [2018-12-02 06:03:36,180 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4996598 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 06:03:36, skipping insertion in model container [2018-12-02 06:03:36,180 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:03:35" (2/3) ... [2018-12-02 06:03:36,180 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4996598 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 06:03:36, skipping insertion in model container [2018-12-02 06:03:36,180 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 06:03:36" (3/3) ... [2018-12-02 06:03:36,181 INFO L112 eAbstractionObserver]: Analyzing ICFG minepump_spec1_product44_false-unreach-call_false-termination.cil.c [2018-12-02 06:03:36,186 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-12-02 06:03:36,191 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-12-02 06:03:36,199 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-12-02 06:03:36,216 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-12-02 06:03:36,216 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-12-02 06:03:36,216 INFO L383 AbstractCegarLoop]: Hoare is true [2018-12-02 06:03:36,216 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-12-02 06:03:36,216 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-12-02 06:03:36,217 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-12-02 06:03:36,217 INFO L387 AbstractCegarLoop]: Difference is false [2018-12-02 06:03:36,217 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-12-02 06:03:36,217 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-12-02 06:03:36,232 INFO L276 IsEmpty]: Start isEmpty. Operand 143 states. [2018-12-02 06:03:36,237 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2018-12-02 06:03:36,237 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 06:03:36,238 INFO L402 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] [2018-12-02 06:03:36,239 INFO L423 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 06:03:36,242 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 06:03:36,242 INFO L82 PathProgramCache]: Analyzing trace with hash 1821137213, now seen corresponding path program 1 times [2018-12-02 06:03:36,243 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-02 06:03:36,244 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-02 06:03:36,271 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 06:03:36,271 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 06:03:36,271 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 06:03:36,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 06:03:36,402 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 06:03:36,404 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 06:03:36,404 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-12-02 06:03:36,407 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-12-02 06:03:36,416 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-12-02 06:03:36,416 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-12-02 06:03:36,418 INFO L87 Difference]: Start difference. First operand 143 states. Second operand 2 states. [2018-12-02 06:03:36,439 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 06:03:36,439 INFO L93 Difference]: Finished difference Result 260 states and 319 transitions. [2018-12-02 06:03:36,439 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-12-02 06:03:36,440 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 46 [2018-12-02 06:03:36,440 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 06:03:36,447 INFO L225 Difference]: With dead ends: 260 [2018-12-02 06:03:36,447 INFO L226 Difference]: Without dead ends: 130 [2018-12-02 06:03:36,449 INFO L631 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 [2018-12-02 06:03:36,460 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 130 states. [2018-12-02 06:03:36,476 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 130 to 130. [2018-12-02 06:03:36,477 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 130 states. [2018-12-02 06:03:36,479 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 130 states to 130 states and 151 transitions. [2018-12-02 06:03:36,480 INFO L78 Accepts]: Start accepts. Automaton has 130 states and 151 transitions. Word has length 46 [2018-12-02 06:03:36,480 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 06:03:36,480 INFO L480 AbstractCegarLoop]: Abstraction has 130 states and 151 transitions. [2018-12-02 06:03:36,480 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-12-02 06:03:36,480 INFO L276 IsEmpty]: Start isEmpty. Operand 130 states and 151 transitions. [2018-12-02 06:03:36,482 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2018-12-02 06:03:36,482 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 06:03:36,482 INFO L402 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] [2018-12-02 06:03:36,482 INFO L423 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 06:03:36,482 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 06:03:36,482 INFO L82 PathProgramCache]: Analyzing trace with hash 387568080, now seen corresponding path program 1 times [2018-12-02 06:03:36,482 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-02 06:03:36,482 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-02 06:03:36,483 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 06:03:36,483 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 06:03:36,483 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 06:03:36,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 06:03:36,528 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 06:03:36,529 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 06:03:36,529 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-12-02 06:03:36,530 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-12-02 06:03:36,530 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-12-02 06:03:36,531 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-02 06:03:36,531 INFO L87 Difference]: Start difference. First operand 130 states and 151 transitions. Second operand 3 states. [2018-12-02 06:03:36,548 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 06:03:36,549 INFO L93 Difference]: Finished difference Result 196 states and 227 transitions. [2018-12-02 06:03:36,549 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-12-02 06:03:36,549 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 47 [2018-12-02 06:03:36,550 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 06:03:36,551 INFO L225 Difference]: With dead ends: 196 [2018-12-02 06:03:36,551 INFO L226 Difference]: Without dead ends: 121 [2018-12-02 06:03:36,552 INFO L631 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 [2018-12-02 06:03:36,553 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 121 states. [2018-12-02 06:03:36,561 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 121 to 121. [2018-12-02 06:03:36,561 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 121 states. [2018-12-02 06:03:36,562 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 121 states to 121 states and 139 transitions. [2018-12-02 06:03:36,562 INFO L78 Accepts]: Start accepts. Automaton has 121 states and 139 transitions. Word has length 47 [2018-12-02 06:03:36,562 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 06:03:36,562 INFO L480 AbstractCegarLoop]: Abstraction has 121 states and 139 transitions. [2018-12-02 06:03:36,562 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-12-02 06:03:36,562 INFO L276 IsEmpty]: Start isEmpty. Operand 121 states and 139 transitions. [2018-12-02 06:03:36,563 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2018-12-02 06:03:36,563 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 06:03:36,563 INFO L402 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] [2018-12-02 06:03:36,563 INFO L423 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 06:03:36,564 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 06:03:36,564 INFO L82 PathProgramCache]: Analyzing trace with hash -1640207721, now seen corresponding path program 1 times [2018-12-02 06:03:36,564 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-02 06:03:36,564 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-02 06:03:36,564 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 06:03:36,564 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 06:03:36,565 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 06:03:36,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 06:03:36,624 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 06:03:36,624 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 06:03:36,624 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-12-02 06:03:36,624 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-12-02 06:03:36,624 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-12-02 06:03:36,625 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2018-12-02 06:03:36,625 INFO L87 Difference]: Start difference. First operand 121 states and 139 transitions. Second operand 7 states. [2018-12-02 06:03:36,879 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 06:03:36,879 INFO L93 Difference]: Finished difference Result 365 states and 437 transitions. [2018-12-02 06:03:36,880 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-12-02 06:03:36,880 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 52 [2018-12-02 06:03:36,880 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 06:03:36,882 INFO L225 Difference]: With dead ends: 365 [2018-12-02 06:03:36,882 INFO L226 Difference]: Without dead ends: 268 [2018-12-02 06:03:36,883 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2018-12-02 06:03:36,884 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 268 states. [2018-12-02 06:03:36,907 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 268 to 244. [2018-12-02 06:03:36,907 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 244 states. [2018-12-02 06:03:36,908 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 244 states to 244 states and 290 transitions. [2018-12-02 06:03:36,908 INFO L78 Accepts]: Start accepts. Automaton has 244 states and 290 transitions. Word has length 52 [2018-12-02 06:03:36,909 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 06:03:36,909 INFO L480 AbstractCegarLoop]: Abstraction has 244 states and 290 transitions. [2018-12-02 06:03:36,909 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-12-02 06:03:36,909 INFO L276 IsEmpty]: Start isEmpty. Operand 244 states and 290 transitions. [2018-12-02 06:03:36,911 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2018-12-02 06:03:36,911 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 06:03:36,911 INFO L402 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] [2018-12-02 06:03:36,911 INFO L423 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 06:03:36,911 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 06:03:36,911 INFO L82 PathProgramCache]: Analyzing trace with hash 1372100749, now seen corresponding path program 1 times [2018-12-02 06:03:36,911 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-02 06:03:36,912 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-02 06:03:36,912 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 06:03:36,912 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 06:03:36,913 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 06:03:36,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 06:03:36,979 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 06:03:36,979 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 06:03:36,979 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-12-02 06:03:36,979 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-12-02 06:03:36,980 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-12-02 06:03:36,980 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-12-02 06:03:36,980 INFO L87 Difference]: Start difference. First operand 244 states and 290 transitions. Second operand 6 states. [2018-12-02 06:03:37,098 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 06:03:37,098 INFO L93 Difference]: Finished difference Result 669 states and 818 transitions. [2018-12-02 06:03:37,098 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-12-02 06:03:37,098 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 57 [2018-12-02 06:03:37,099 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 06:03:37,100 INFO L225 Difference]: With dead ends: 669 [2018-12-02 06:03:37,100 INFO L226 Difference]: Without dead ends: 449 [2018-12-02 06:03:37,101 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2018-12-02 06:03:37,102 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 449 states. [2018-12-02 06:03:37,126 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 449 to 443. [2018-12-02 06:03:37,127 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 443 states. [2018-12-02 06:03:37,128 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 443 states to 443 states and 530 transitions. [2018-12-02 06:03:37,128 INFO L78 Accepts]: Start accepts. Automaton has 443 states and 530 transitions. Word has length 57 [2018-12-02 06:03:37,129 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 06:03:37,129 INFO L480 AbstractCegarLoop]: Abstraction has 443 states and 530 transitions. [2018-12-02 06:03:37,129 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-12-02 06:03:37,129 INFO L276 IsEmpty]: Start isEmpty. Operand 443 states and 530 transitions. [2018-12-02 06:03:37,130 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2018-12-02 06:03:37,130 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 06:03:37,130 INFO L402 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] [2018-12-02 06:03:37,130 INFO L423 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 06:03:37,131 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 06:03:37,131 INFO L82 PathProgramCache]: Analyzing trace with hash 164845425, now seen corresponding path program 1 times [2018-12-02 06:03:37,131 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-02 06:03:37,131 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-02 06:03:37,131 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 06:03:37,131 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 06:03:37,131 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 06:03:37,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 06:03:37,199 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 06:03:37,199 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 06:03:37,199 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-12-02 06:03:37,199 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-12-02 06:03:37,199 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-12-02 06:03:37,200 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2018-12-02 06:03:37,200 INFO L87 Difference]: Start difference. First operand 443 states and 530 transitions. Second operand 7 states. [2018-12-02 06:03:37,538 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 06:03:37,538 INFO L93 Difference]: Finished difference Result 1154 states and 1471 transitions. [2018-12-02 06:03:37,538 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2018-12-02 06:03:37,539 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 61 [2018-12-02 06:03:37,539 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 06:03:37,541 INFO L225 Difference]: With dead ends: 1154 [2018-12-02 06:03:37,542 INFO L226 Difference]: Without dead ends: 735 [2018-12-02 06:03:37,543 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=43, Invalid=113, Unknown=0, NotChecked=0, Total=156 [2018-12-02 06:03:37,544 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 735 states. [2018-12-02 06:03:37,581 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 735 to 649. [2018-12-02 06:03:37,581 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 649 states. [2018-12-02 06:03:37,583 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 649 states to 649 states and 777 transitions. [2018-12-02 06:03:37,583 INFO L78 Accepts]: Start accepts. Automaton has 649 states and 777 transitions. Word has length 61 [2018-12-02 06:03:37,583 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 06:03:37,584 INFO L480 AbstractCegarLoop]: Abstraction has 649 states and 777 transitions. [2018-12-02 06:03:37,584 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-12-02 06:03:37,584 INFO L276 IsEmpty]: Start isEmpty. Operand 649 states and 777 transitions. [2018-12-02 06:03:37,585 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2018-12-02 06:03:37,585 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 06:03:37,585 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-02 06:03:37,585 INFO L423 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 06:03:37,586 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 06:03:37,586 INFO L82 PathProgramCache]: Analyzing trace with hash -1443452205, now seen corresponding path program 1 times [2018-12-02 06:03:37,586 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-02 06:03:37,586 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-02 06:03:37,586 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 06:03:37,586 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 06:03:37,587 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 06:03:37,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 06:03:37,622 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-12-02 06:03:37,622 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 06:03:37,623 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-12-02 06:03:37,623 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-12-02 06:03:37,623 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-12-02 06:03:37,623 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-12-02 06:03:37,623 INFO L87 Difference]: Start difference. First operand 649 states and 777 transitions. Second operand 6 states. [2018-12-02 06:03:37,653 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 06:03:37,654 INFO L93 Difference]: Finished difference Result 1302 states and 1602 transitions. [2018-12-02 06:03:37,654 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-12-02 06:03:37,654 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 94 [2018-12-02 06:03:37,654 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 06:03:37,656 INFO L225 Difference]: With dead ends: 1302 [2018-12-02 06:03:37,656 INFO L226 Difference]: Without dead ends: 677 [2018-12-02 06:03:37,657 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2018-12-02 06:03:37,658 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 677 states. [2018-12-02 06:03:37,676 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 677 to 669. [2018-12-02 06:03:37,676 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 669 states. [2018-12-02 06:03:37,678 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 669 states to 669 states and 797 transitions. [2018-12-02 06:03:37,679 INFO L78 Accepts]: Start accepts. Automaton has 669 states and 797 transitions. Word has length 94 [2018-12-02 06:03:37,679 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 06:03:37,679 INFO L480 AbstractCegarLoop]: Abstraction has 669 states and 797 transitions. [2018-12-02 06:03:37,679 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-12-02 06:03:37,679 INFO L276 IsEmpty]: Start isEmpty. Operand 669 states and 797 transitions. [2018-12-02 06:03:37,680 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2018-12-02 06:03:37,680 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 06:03:37,681 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-02 06:03:37,681 INFO L423 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 06:03:37,681 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 06:03:37,681 INFO L82 PathProgramCache]: Analyzing trace with hash 1954121813, now seen corresponding path program 1 times [2018-12-02 06:03:37,681 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-02 06:03:37,681 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-02 06:03:37,682 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 06:03:37,682 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 06:03:37,682 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 06:03:37,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 06:03:37,724 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-12-02 06:03:37,724 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 06:03:37,724 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2018-12-02 06:03:37,724 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-12-02 06:03:37,724 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-12-02 06:03:37,724 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2018-12-02 06:03:37,724 INFO L87 Difference]: Start difference. First operand 669 states and 797 transitions. Second operand 8 states. [2018-12-02 06:03:37,754 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 06:03:37,754 INFO L93 Difference]: Finished difference Result 1342 states and 1642 transitions. [2018-12-02 06:03:37,755 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-12-02 06:03:37,755 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 94 [2018-12-02 06:03:37,755 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 06:03:37,757 INFO L225 Difference]: With dead ends: 1342 [2018-12-02 06:03:37,757 INFO L226 Difference]: Without dead ends: 697 [2018-12-02 06:03:37,758 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2018-12-02 06:03:37,759 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 697 states. [2018-12-02 06:03:37,776 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 697 to 685. [2018-12-02 06:03:37,776 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 685 states. [2018-12-02 06:03:37,778 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 685 states to 685 states and 813 transitions. [2018-12-02 06:03:37,778 INFO L78 Accepts]: Start accepts. Automaton has 685 states and 813 transitions. Word has length 94 [2018-12-02 06:03:37,779 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 06:03:37,779 INFO L480 AbstractCegarLoop]: Abstraction has 685 states and 813 transitions. [2018-12-02 06:03:37,779 INFO L481 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-12-02 06:03:37,779 INFO L276 IsEmpty]: Start isEmpty. Operand 685 states and 813 transitions. [2018-12-02 06:03:37,780 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2018-12-02 06:03:37,780 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 06:03:37,780 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-02 06:03:37,781 INFO L423 AbstractCegarLoop]: === Iteration 8 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 06:03:37,781 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 06:03:37,781 INFO L82 PathProgramCache]: Analyzing trace with hash -369906026, now seen corresponding path program 1 times [2018-12-02 06:03:37,781 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-02 06:03:37,781 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-02 06:03:37,782 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 06:03:37,782 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 06:03:37,782 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 06:03:37,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 06:03:37,828 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-12-02 06:03:37,828 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 06:03:37,829 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-12-02 06:03:37,829 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-12-02 06:03:37,829 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-12-02 06:03:37,829 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-12-02 06:03:37,829 INFO L87 Difference]: Start difference. First operand 685 states and 813 transitions. Second operand 4 states. [2018-12-02 06:03:37,999 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 06:03:37,999 INFO L93 Difference]: Finished difference Result 2183 states and 2716 transitions. [2018-12-02 06:03:37,999 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-12-02 06:03:37,999 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 94 [2018-12-02 06:03:37,999 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 06:03:38,003 INFO L225 Difference]: With dead ends: 2183 [2018-12-02 06:03:38,004 INFO L226 Difference]: Without dead ends: 1522 [2018-12-02 06:03:38,005 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 5 SyntacticMatches, 1 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-12-02 06:03:38,007 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1522 states. [2018-12-02 06:03:38,051 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1522 to 1491. [2018-12-02 06:03:38,051 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1491 states. [2018-12-02 06:03:38,054 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1491 states to 1491 states and 1807 transitions. [2018-12-02 06:03:38,055 INFO L78 Accepts]: Start accepts. Automaton has 1491 states and 1807 transitions. Word has length 94 [2018-12-02 06:03:38,055 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 06:03:38,055 INFO L480 AbstractCegarLoop]: Abstraction has 1491 states and 1807 transitions. [2018-12-02 06:03:38,055 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-12-02 06:03:38,055 INFO L276 IsEmpty]: Start isEmpty. Operand 1491 states and 1807 transitions. [2018-12-02 06:03:38,057 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2018-12-02 06:03:38,057 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 06:03:38,057 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-02 06:03:38,058 INFO L423 AbstractCegarLoop]: === Iteration 9 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 06:03:38,058 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 06:03:38,058 INFO L82 PathProgramCache]: Analyzing trace with hash -286238096, now seen corresponding path program 1 times [2018-12-02 06:03:38,058 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-02 06:03:38,058 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-02 06:03:38,059 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 06:03:38,059 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 06:03:38,059 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 06:03:38,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 06:03:38,146 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-12-02 06:03:38,146 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-02 06:03:38,147 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_0b181565-f88f-4362-93dd-8cc1630efa53/bin-2019/uautomizer/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-12-02 06:03:38,154 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 06:03:38,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 06:03:38,226 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-02 06:03:38,337 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 06:03:38,362 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-12-02 06:03:38,363 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [13] total 19 [2018-12-02 06:03:38,363 INFO L459 AbstractCegarLoop]: Interpolant automaton has 19 states [2018-12-02 06:03:38,363 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2018-12-02 06:03:38,363 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=48, Invalid=294, Unknown=0, NotChecked=0, Total=342 [2018-12-02 06:03:38,364 INFO L87 Difference]: Start difference. First operand 1491 states and 1807 transitions. Second operand 19 states. [2018-12-02 06:03:39,047 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 06:03:39,047 INFO L93 Difference]: Finished difference Result 2932 states and 3588 transitions. [2018-12-02 06:03:39,048 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2018-12-02 06:03:39,048 INFO L78 Accepts]: Start accepts. Automaton has 19 states. Word has length 98 [2018-12-02 06:03:39,048 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 06:03:39,051 INFO L225 Difference]: With dead ends: 2932 [2018-12-02 06:03:39,051 INFO L226 Difference]: Without dead ends: 1465 [2018-12-02 06:03:39,053 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 124 GetRequests, 93 SyntacticMatches, 1 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 142 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=115, Invalid=877, Unknown=0, NotChecked=0, Total=992 [2018-12-02 06:03:39,054 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1465 states. [2018-12-02 06:03:39,092 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1465 to 1465. [2018-12-02 06:03:39,092 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1465 states. [2018-12-02 06:03:39,095 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1465 states to 1465 states and 1735 transitions. [2018-12-02 06:03:39,096 INFO L78 Accepts]: Start accepts. Automaton has 1465 states and 1735 transitions. Word has length 98 [2018-12-02 06:03:39,096 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 06:03:39,096 INFO L480 AbstractCegarLoop]: Abstraction has 1465 states and 1735 transitions. [2018-12-02 06:03:39,096 INFO L481 AbstractCegarLoop]: Interpolant automaton has 19 states. [2018-12-02 06:03:39,096 INFO L276 IsEmpty]: Start isEmpty. Operand 1465 states and 1735 transitions. [2018-12-02 06:03:39,099 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2018-12-02 06:03:39,099 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 06:03:39,099 INFO L402 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-02 06:03:39,099 INFO L423 AbstractCegarLoop]: === Iteration 10 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 06:03:39,099 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 06:03:39,099 INFO L82 PathProgramCache]: Analyzing trace with hash 2017694796, now seen corresponding path program 1 times [2018-12-02 06:03:39,099 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-02 06:03:39,099 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-02 06:03:39,100 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 06:03:39,100 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 06:03:39,100 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 06:03:39,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 06:03:39,146 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 22 proven. 2 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2018-12-02 06:03:39,146 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-02 06:03:39,146 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_0b181565-f88f-4362-93dd-8cc1630efa53/bin-2019/uautomizer/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-12-02 06:03:39,152 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 06:03:39,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 06:03:39,220 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-02 06:03:39,243 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 32 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-12-02 06:03:39,268 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-12-02 06:03:39,268 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [5] total 6 [2018-12-02 06:03:39,268 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-12-02 06:03:39,269 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-12-02 06:03:39,269 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2018-12-02 06:03:39,269 INFO L87 Difference]: Start difference. First operand 1465 states and 1735 transitions. Second operand 6 states. [2018-12-02 06:03:39,708 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 06:03:39,708 INFO L93 Difference]: Finished difference Result 3397 states and 4271 transitions. [2018-12-02 06:03:39,708 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-12-02 06:03:39,708 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 138 [2018-12-02 06:03:39,709 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 06:03:39,718 INFO L225 Difference]: With dead ends: 3397 [2018-12-02 06:03:39,718 INFO L226 Difference]: Without dead ends: 2260 [2018-12-02 06:03:39,722 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 150 GetRequests, 142 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=31, Invalid=59, Unknown=0, NotChecked=0, Total=90 [2018-12-02 06:03:39,725 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2260 states. [2018-12-02 06:03:39,795 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2260 to 1971. [2018-12-02 06:03:39,795 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1971 states. [2018-12-02 06:03:39,800 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1971 states to 1971 states and 2373 transitions. [2018-12-02 06:03:39,801 INFO L78 Accepts]: Start accepts. Automaton has 1971 states and 2373 transitions. Word has length 138 [2018-12-02 06:03:39,801 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 06:03:39,801 INFO L480 AbstractCegarLoop]: Abstraction has 1971 states and 2373 transitions. [2018-12-02 06:03:39,801 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-12-02 06:03:39,801 INFO L276 IsEmpty]: Start isEmpty. Operand 1971 states and 2373 transitions. [2018-12-02 06:03:39,804 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2018-12-02 06:03:39,804 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 06:03:39,804 INFO L402 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-02 06:03:39,805 INFO L423 AbstractCegarLoop]: === Iteration 11 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 06:03:39,805 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 06:03:39,805 INFO L82 PathProgramCache]: Analyzing trace with hash 22854898, now seen corresponding path program 1 times [2018-12-02 06:03:39,805 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-02 06:03:39,805 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-02 06:03:39,806 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 06:03:39,806 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 06:03:39,806 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 06:03:39,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-02 06:03:39,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-02 06:03:39,890 INFO L469 BasicCegarLoop]: Counterexample might be feasible [2018-12-02 06:03:39,973 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 02.12 06:03:39 BoogieIcfgContainer [2018-12-02 06:03:39,973 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-12-02 06:03:39,973 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-02 06:03:39,973 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-02 06:03:39,973 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-02 06:03:39,974 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 06:03:36" (3/4) ... [2018-12-02 06:03:39,975 INFO L138 WitnessPrinter]: Generating witness for reachability counterexample [2018-12-02 06:03:40,062 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_0b181565-f88f-4362-93dd-8cc1630efa53/bin-2019/uautomizer/witness.graphml [2018-12-02 06:03:40,062 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-02 06:03:40,063 INFO L168 Benchmark]: Toolchain (without parser) took 4502.64 ms. Allocated memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: 286.3 MB). Free memory was 955.0 MB in the beginning and 809.9 MB in the end (delta: 145.1 MB). Peak memory consumption was 431.4 MB. Max. memory is 11.5 GB. [2018-12-02 06:03:40,063 INFO L168 Benchmark]: CDTParser took 0.15 ms. Allocated memory is still 1.0 GB. Free memory is still 982.4 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-02 06:03:40,064 INFO L168 Benchmark]: CACSL2BoogieTranslator took 269.89 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 109.6 MB). Free memory was 955.0 MB in the beginning and 1.1 GB in the end (delta: -137.0 MB). Peak memory consumption was 24.7 MB. Max. memory is 11.5 GB. [2018-12-02 06:03:40,064 INFO L168 Benchmark]: Boogie Procedure Inliner took 19.09 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-02 06:03:40,064 INFO L168 Benchmark]: Boogie Preprocessor took 21.04 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-02 06:03:40,064 INFO L168 Benchmark]: RCFGBuilder took 303.05 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 50.0 MB). Peak memory consumption was 50.0 MB. Max. memory is 11.5 GB. [2018-12-02 06:03:40,064 INFO L168 Benchmark]: TraceAbstraction took 3796.32 ms. Allocated memory was 1.1 GB in the beginning and 1.3 GB in the end (delta: 176.7 MB). Free memory was 1.0 GB in the beginning and 858.2 MB in the end (delta: 183.7 MB). Peak memory consumption was 360.4 MB. Max. memory is 11.5 GB. [2018-12-02 06:03:40,065 INFO L168 Benchmark]: Witness Printer took 89.15 ms. Allocated memory is still 1.3 GB. Free memory was 858.2 MB in the beginning and 809.9 MB in the end (delta: 48.3 MB). Peak memory consumption was 48.3 MB. Max. memory is 11.5 GB. [2018-12-02 06:03:40,066 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15 ms. Allocated memory is still 1.0 GB. Free memory is still 982.4 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 269.89 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 109.6 MB). Free memory was 955.0 MB in the beginning and 1.1 GB in the end (delta: -137.0 MB). Peak memory consumption was 24.7 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 19.09 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 21.04 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 303.05 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 50.0 MB). Peak memory consumption was 50.0 MB. Max. memory is 11.5 GB. * TraceAbstraction took 3796.32 ms. Allocated memory was 1.1 GB in the beginning and 1.3 GB in the end (delta: 176.7 MB). Free memory was 1.0 GB in the beginning and 858.2 MB in the end (delta: 183.7 MB). Peak memory consumption was 360.4 MB. Max. memory is 11.5 GB. * Witness Printer took 89.15 ms. Allocated memory is still 1.3 GB. Free memory was 858.2 MB in the beginning and 809.9 MB in the end (delta: 48.3 MB). Peak memory consumption was 48.3 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 44]: a call of __VERIFIER_error() is reachable a call of __VERIFIER_error() is reachable We found a FailurePath: [L218] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L498] int pumpRunning = 0; [L499] int systemActive = 1; [L693] int waterLevel = 1; [L694] int methaneLevelCritical = 0; [L851] int cleanupTimeShifts = 4; VAL [\old(cleanupTimeShifts)=195, \old(head)=200, \old(head)=178, \old(methaneLevelCritical)=152, \old(pumpRunning)=137, \old(systemActive)=136, \old(waterLevel)=144, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L924] int retValue_acc ; [L925] int tmp ; VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L929] FCALL select_helpers() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L930] FCALL select_features() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L931] CALL, EXPR valid_product() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L842] int retValue_acc ; [L845] retValue_acc = 1 [L846] return (retValue_acc); VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, \result=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, retValue_acc=1, systemActive=1, waterLevel=1] [L931] RET, EXPR valid_product() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, valid_product()=1, waterLevel=1] [L931] tmp = valid_product() [L933] COND TRUE \read(tmp) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, tmp=1, waterLevel=1] [L935] FCALL setup() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, tmp=1, waterLevel=1] [L936] CALL runTest() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L918] CALL test() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L422] int splverifierCounter ; [L423] int tmp ; [L424] int tmp___0 ; [L425] int tmp___1 ; [L426] int tmp___2 ; [L429] splverifierCounter = 0 VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] [L431] COND TRUE 1 VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] [L433] COND TRUE splverifierCounter < 4 VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] [L439] tmp = __VERIFIER_nondet_int() [L441] COND TRUE \read(tmp) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, tmp=1, waterLevel=1] [L443] CALL waterRise() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L711] COND TRUE waterLevel < 2 [L712] waterLevel = waterLevel + 1 VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L443] RET waterRise() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, tmp=1, waterLevel=2] [L449] tmp___0 = __VERIFIER_nondet_int() [L451] COND FALSE !(\read(tmp___0)) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, tmp=1, tmp___0=0, waterLevel=2] [L459] tmp___2 = __VERIFIER_nondet_int() [L461] COND FALSE !(\read(tmp___2)) [L467] tmp___1 = __VERIFIER_nondet_int() [L469] COND FALSE !(\read(tmp___1)) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, tmp=1, tmp___0=0, tmp___1=0, tmp___2=0, waterLevel=2] [L478] CALL timeShift() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L506] COND FALSE !(\read(pumpRunning)) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L513] COND TRUE \read(systemActive) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L515] CALL processEnvironment() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L535] int tmp ; VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L538] COND TRUE ! pumpRunning VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L540] CALL, EXPR isHighWaterLevel() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L650] int retValue_acc ; [L651] int tmp ; [L652] int tmp___0 ; VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L656] CALL, EXPR isHighWaterSensorDry() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L773] int retValue_acc ; VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L776] COND FALSE !(waterLevel < 2) [L780] retValue_acc = 0 [L781] return (retValue_acc); VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, \result=0, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, retValue_acc=0, systemActive=1, waterLevel=2] [L656] RET, EXPR isHighWaterSensorDry() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, isHighWaterSensorDry()=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L656] tmp = isHighWaterSensorDry() [L658] COND FALSE !(\read(tmp)) [L661] tmp___0 = 1 VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, tmp=0, tmp___0=1, waterLevel=2] [L663] retValue_acc = tmp___0 [L664] return (retValue_acc); VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, \result=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, retValue_acc=1, systemActive=1, tmp=0, tmp___0=1, waterLevel=2] [L540] RET, EXPR isHighWaterLevel() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, isHighWaterLevel()=1, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L540] tmp = isHighWaterLevel() [L542] COND TRUE \read(tmp) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, tmp=1, waterLevel=2] [L544] CALL activatePump() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L569] int tmp ; VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L573] CALL, EXPR isMethaneAlarm() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L594] int retValue_acc ; VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L598] CALL, EXPR isMethaneLevelCritical() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L732] int retValue_acc ; [L735] retValue_acc = methaneLevelCritical [L736] return (retValue_acc); VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, \result=0, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, retValue_acc=0, systemActive=1, waterLevel=2] [L598] RET, EXPR isMethaneLevelCritical() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, isMethaneLevelCritical()=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L598] retValue_acc = isMethaneLevelCritical() [L600] return (retValue_acc); VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, \result=0, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, retValue_acc=0, systemActive=1, waterLevel=2] [L573] RET, EXPR isMethaneAlarm() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, isMethaneAlarm()=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L573] tmp = isMethaneAlarm() [L575] COND FALSE !(\read(tmp)) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, tmp=0, waterLevel=2] [L579] CALL activatePump__wrappee__highWaterSensor() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L563] pumpRunning = 1 VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=2] [L579] RET activatePump__wrappee__highWaterSensor() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, tmp=0, waterLevel=2] [L544] RET activatePump() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, tmp=1, waterLevel=2] [L515] RET processEnvironment() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=2] [L521] CALL __utac_acc__Specification1_spec__1() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=2] [L788] int tmp ; [L789] int tmp___0 ; VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=2] [L793] CALL, EXPR isMethaneLevelCritical() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=2] [L732] int retValue_acc ; [L735] retValue_acc = methaneLevelCritical [L736] return (retValue_acc); VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, \result=0, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, retValue_acc=0, systemActive=1, waterLevel=2] [L793] RET, EXPR isMethaneLevelCritical() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, isMethaneLevelCritical()=0, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=2] [L793] tmp = isMethaneLevelCritical() [L795] COND FALSE !(\read(tmp)) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, tmp=0, waterLevel=2] [L521] RET __utac_acc__Specification1_spec__1() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=2] [L478] RET timeShift() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, splverifierCounter=0, systemActive=1, tmp=1, tmp___0=0, tmp___1=0, tmp___2=0, waterLevel=2] [L431] COND TRUE 1 VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, splverifierCounter=0, systemActive=1, tmp=1, tmp___0=0, tmp___1=0, tmp___2=0, waterLevel=2] [L433] COND TRUE splverifierCounter < 4 VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, splverifierCounter=0, systemActive=1, tmp=1, tmp___0=0, tmp___1=0, tmp___2=0, waterLevel=2] [L439] tmp = __VERIFIER_nondet_int() [L441] COND FALSE !(\read(tmp)) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, splverifierCounter=0, systemActive=1, tmp=0, tmp___0=0, tmp___1=0, tmp___2=0, waterLevel=2] [L449] tmp___0 = __VERIFIER_nondet_int() [L451] COND TRUE \read(tmp___0) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, splverifierCounter=0, systemActive=1, tmp=0, tmp___0=1, tmp___1=0, tmp___2=0, waterLevel=2] [L453] CALL changeMethaneLevel() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=2] [L723] COND FALSE !(\read(methaneLevelCritical)) [L726] methaneLevelCritical = 1 VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2] [L453] RET changeMethaneLevel() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, splverifierCounter=0, systemActive=1, tmp=0, tmp___0=1, tmp___1=0, tmp___2=0, waterLevel=2] [L459] tmp___2 = __VERIFIER_nondet_int() [L461] COND FALSE !(\read(tmp___2)) [L467] tmp___1 = __VERIFIER_nondet_int() [L469] COND FALSE !(\read(tmp___1)) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, splverifierCounter=0, systemActive=1, tmp=0, tmp___0=1, tmp___1=0, tmp___2=0, waterLevel=2] [L478] CALL timeShift() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2] [L506] COND TRUE \read(pumpRunning) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2] [L508] CALL lowerWaterLevel() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2] [L699] COND TRUE waterLevel > 0 [L700] waterLevel = waterLevel - 1 VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=1] [L508] RET lowerWaterLevel() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=1] [L513] COND TRUE \read(systemActive) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=1] [L515] CALL processEnvironment() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=1] [L535] int tmp ; VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=1] [L538] COND FALSE !(! pumpRunning) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=1] [L553] FCALL processEnvironment__wrappee__base() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=1] [L515] RET processEnvironment() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=1] [L521] CALL __utac_acc__Specification1_spec__1() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=1] [L788] int tmp ; [L789] int tmp___0 ; VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=1] [L793] CALL, EXPR isMethaneLevelCritical() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=1] [L732] int retValue_acc ; [L735] retValue_acc = methaneLevelCritical [L736] return (retValue_acc); VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, \result=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, retValue_acc=1, systemActive=1, waterLevel=1] [L793] RET, EXPR isMethaneLevelCritical() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, isMethaneLevelCritical()=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=1] [L793] tmp = isMethaneLevelCritical() [L795] COND TRUE \read(tmp) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, systemActive=1, tmp=1, waterLevel=1] [L797] CALL, EXPR isPumpRunning() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=1] [L605] int retValue_acc ; [L608] retValue_acc = pumpRunning [L609] return (retValue_acc); VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, \result=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, retValue_acc=1, systemActive=1, waterLevel=1] [L797] RET, EXPR isPumpRunning() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, isPumpRunning()=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, tmp=1, waterLevel=1] [L797] tmp___0 = isPumpRunning() [L799] COND TRUE \read(tmp___0) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, systemActive=1, tmp=1, tmp___0=1, waterLevel=1] [L801] CALL __automaton_fail() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=1] [L44] __VERIFIER_error() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=1] - StatisticsResult: Ultimate Automizer benchmark data CFG has 28 procedures, 143 locations, 1 error locations. UNSAFE Result, 3.7s OverallTime, 11 OverallIterations, 3 TraceHistogramMax, 2.1s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 1737 SDtfs, 1287 SDslu, 5122 SDs, 0 SdLazy, 2255 SolverSat, 430 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 1.2s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 348 GetRequests, 268 SyntacticMatches, 2 SemanticMatches, 78 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 164 ImplicationChecksByTransitivity, 0.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1971occurred in iteration=10, 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: 0.3s AutomataMinimizationTime, 10 MinimizatonAttempts, 456 StatesRemovedByMinimization, 7 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.5s InterpolantComputationTime, 1151 NumberOfCodeBlocks, 1151 NumberOfCodeBlocksAsserted, 13 NumberOfCheckSat, 1005 ConstructedInterpolants, 0 QuantifiedInterpolants, 154558 SizeOfPredicates, 3 NumberOfNonLiveVariables, 1588 ConjunctsInSsa, 13 ConjunctsInUnsatCore, 12 InterpolantComputations, 10 PerfectInterpolantSequences, 81/85 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! Received shutdown request...