./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec4_product35_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_53c5aaab-020b-48aa-a91f-be1f5cc3b6df/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_53c5aaab-020b-48aa-a91f-be1f5cc3b6df/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_53c5aaab-020b-48aa-a91f-be1f5cc3b6df/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_53c5aaab-020b-48aa-a91f-be1f5cc3b6df/bin-2019/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec4_product35_false-unreach-call_false-termination.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_53c5aaab-020b-48aa-a91f-be1f5cc3b6df/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_53c5aaab-020b-48aa-a91f-be1f5cc3b6df/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 cad5f4eca7a20f7ca6dddfa07fda554bac28f7be ...................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 [2018-12-08 12:06:24,894 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-08 12:06:24,895 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-08 12:06:24,903 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-08 12:06:24,903 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-08 12:06:24,903 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-08 12:06:24,904 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-08 12:06:24,905 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-08 12:06:24,906 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-08 12:06:24,907 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-08 12:06:24,907 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-08 12:06:24,907 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-08 12:06:24,908 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-08 12:06:24,909 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-08 12:06:24,910 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-08 12:06:24,910 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-08 12:06:24,911 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-08 12:06:24,912 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-08 12:06:24,914 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-08 12:06:24,915 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-08 12:06:24,916 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-08 12:06:24,916 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-08 12:06:24,918 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-08 12:06:24,918 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-08 12:06:24,919 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-08 12:06:24,919 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-08 12:06:24,920 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-08 12:06:24,921 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-08 12:06:24,921 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-08 12:06:24,922 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-08 12:06:24,922 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-08 12:06:24,922 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-08 12:06:24,923 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-08 12:06:24,923 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-08 12:06:24,923 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-08 12:06:24,923 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-08 12:06:24,924 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_53c5aaab-020b-48aa-a91f-be1f5cc3b6df/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2018-12-08 12:06:24,932 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-08 12:06:24,932 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-08 12:06:24,932 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-08 12:06:24,932 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-12-08 12:06:24,933 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-12-08 12:06:24,933 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-12-08 12:06:24,933 INFO L133 SettingsManager]: * Use SBE=true [2018-12-08 12:06:24,933 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-08 12:06:24,933 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-08 12:06:24,933 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-08 12:06:24,933 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-08 12:06:24,934 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-08 12:06:24,934 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-08 12:06:24,934 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-08 12:06:24,934 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-08 12:06:24,934 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-08 12:06:24,934 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-08 12:06:24,934 INFO L133 SettingsManager]: * Use constant arrays=true [2018-12-08 12:06:24,934 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-08 12:06:24,935 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-08 12:06:24,935 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-12-08 12:06:24,935 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-08 12:06:24,935 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-12-08 12:06:24,935 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-08 12:06:24,935 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-08 12:06:24,935 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-08 12:06:24,935 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-08 12:06:24,936 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-12-08 12:06:24,936 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-08 12:06:24,936 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-12-08 12:06:24,936 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_53c5aaab-020b-48aa-a91f-be1f5cc3b6df/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 -> cad5f4eca7a20f7ca6dddfa07fda554bac28f7be [2018-12-08 12:06:24,954 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-08 12:06:24,962 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-08 12:06:24,964 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-08 12:06:24,965 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-08 12:06:24,965 INFO L276 PluginConnector]: CDTParser initialized [2018-12-08 12:06:24,966 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_53c5aaab-020b-48aa-a91f-be1f5cc3b6df/bin-2019/uautomizer/../../sv-benchmarks/c/product-lines/minepump_spec4_product35_false-unreach-call_false-termination.cil.c [2018-12-08 12:06:25,006 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_53c5aaab-020b-48aa-a91f-be1f5cc3b6df/bin-2019/uautomizer/data/0ce96fddd/72fb26653585445eb7549907ad4288c7/FLAG83f244a21 [2018-12-08 12:06:25,460 INFO L307 CDTParser]: Found 1 translation units. [2018-12-08 12:06:25,461 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_53c5aaab-020b-48aa-a91f-be1f5cc3b6df/sv-benchmarks/c/product-lines/minepump_spec4_product35_false-unreach-call_false-termination.cil.c [2018-12-08 12:06:25,468 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_53c5aaab-020b-48aa-a91f-be1f5cc3b6df/bin-2019/uautomizer/data/0ce96fddd/72fb26653585445eb7549907ad4288c7/FLAG83f244a21 [2018-12-08 12:06:25,476 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_53c5aaab-020b-48aa-a91f-be1f5cc3b6df/bin-2019/uautomizer/data/0ce96fddd/72fb26653585445eb7549907ad4288c7 [2018-12-08 12:06:25,477 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-08 12:06:25,478 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-08 12:06:25,478 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-08 12:06:25,479 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-08 12:06:25,480 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-08 12:06:25,481 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.12 12:06:25" (1/1) ... [2018-12-08 12:06:25,482 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@42d622ed and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 12:06:25, skipping insertion in model container [2018-12-08 12:06:25,482 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.12 12:06:25" (1/1) ... [2018-12-08 12:06:25,486 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-08 12:06:25,507 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-08 12:06:25,652 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-08 12:06:25,660 INFO L191 MainTranslator]: Completed pre-run [2018-12-08 12:06:25,745 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-08 12:06:25,765 INFO L195 MainTranslator]: Completed translation [2018-12-08 12:06:25,765 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 12:06:25 WrapperNode [2018-12-08 12:06:25,765 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-08 12:06:25,766 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-08 12:06:25,766 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-08 12:06:25,766 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-08 12:06:25,771 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 12:06:25" (1/1) ... [2018-12-08 12:06:25,781 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 12:06:25" (1/1) ... [2018-12-08 12:06:25,786 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-08 12:06:25,786 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-08 12:06:25,787 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-08 12:06:25,787 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-08 12:06:25,793 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 12:06:25" (1/1) ... [2018-12-08 12:06:25,793 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 12:06:25" (1/1) ... [2018-12-08 12:06:25,795 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 12:06:25" (1/1) ... [2018-12-08 12:06:25,795 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 12:06:25" (1/1) ... [2018-12-08 12:06:25,801 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 12:06:25" (1/1) ... [2018-12-08 12:06:25,805 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 12:06:25" (1/1) ... [2018-12-08 12:06:25,806 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 12:06:25" (1/1) ... [2018-12-08 12:06:25,808 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-08 12:06:25,808 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-08 12:06:25,808 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-08 12:06:25,808 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-08 12:06:25,809 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 12:06:25" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_53c5aaab-020b-48aa-a91f-be1f5cc3b6df/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 [2018-12-08 12:06:25,842 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2018-12-08 12:06:25,842 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2018-12-08 12:06:25,842 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification4_spec__1 [2018-12-08 12:06:25,843 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification4_spec__1 [2018-12-08 12:06:25,843 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-12-08 12:06:25,843 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-12-08 12:06:25,843 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2018-12-08 12:06:25,843 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2018-12-08 12:06:25,843 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-12-08 12:06:25,843 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2018-12-08 12:06:25,843 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2018-12-08 12:06:25,843 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2018-12-08 12:06:25,844 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2018-12-08 12:06:25,844 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2018-12-08 12:06:25,844 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2018-12-08 12:06:25,844 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2018-12-08 12:06:25,844 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2018-12-08 12:06:25,844 INFO L130 BoogieDeclarations]: Found specification of procedure test [2018-12-08 12:06:25,844 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2018-12-08 12:06:25,844 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2018-12-08 12:06:25,845 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2018-12-08 12:06:25,845 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2018-12-08 12:06:25,845 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2018-12-08 12:06:25,845 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2018-12-08 12:06:25,845 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2018-12-08 12:06:25,845 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2018-12-08 12:06:25,845 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2018-12-08 12:06:25,845 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2018-12-08 12:06:25,846 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2018-12-08 12:06:25,846 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2018-12-08 12:06:25,846 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2018-12-08 12:06:25,846 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2018-12-08 12:06:25,846 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2018-12-08 12:06:25,846 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2018-12-08 12:06:25,846 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2018-12-08 12:06:25,846 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2018-12-08 12:06:25,846 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2018-12-08 12:06:25,846 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2018-12-08 12:06:25,846 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2018-12-08 12:06:25,846 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2018-12-08 12:06:25,846 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2018-12-08 12:06:25,846 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2018-12-08 12:06:25,847 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2018-12-08 12:06:25,847 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2018-12-08 12:06:25,847 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-12-08 12:06:25,847 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-12-08 12:06:25,847 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2018-12-08 12:06:25,847 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2018-12-08 12:06:25,847 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2018-12-08 12:06:25,847 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2018-12-08 12:06:25,847 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-08 12:06:25,848 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-08 12:06:26,092 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-08 12:06:26,092 INFO L280 CfgBuilder]: Removed 2 assue(true) statements. [2018-12-08 12:06:26,092 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.12 12:06:26 BoogieIcfgContainer [2018-12-08 12:06:26,092 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-08 12:06:26,093 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-12-08 12:06:26,093 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-12-08 12:06:26,094 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-12-08 12:06:26,095 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.12 12:06:25" (1/3) ... [2018-12-08 12:06:26,095 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3c41e01c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.12 12:06:26, skipping insertion in model container [2018-12-08 12:06:26,095 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 12:06:25" (2/3) ... [2018-12-08 12:06:26,095 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3c41e01c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.12 12:06:26, skipping insertion in model container [2018-12-08 12:06:26,095 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.12 12:06:26" (3/3) ... [2018-12-08 12:06:26,096 INFO L112 eAbstractionObserver]: Analyzing ICFG minepump_spec4_product35_false-unreach-call_false-termination.cil.c [2018-12-08 12:06:26,102 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-12-08 12:06:26,107 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-12-08 12:06:26,116 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-12-08 12:06:26,132 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-12-08 12:06:26,133 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-12-08 12:06:26,133 INFO L383 AbstractCegarLoop]: Hoare is true [2018-12-08 12:06:26,133 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-12-08 12:06:26,133 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-12-08 12:06:26,133 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-12-08 12:06:26,133 INFO L387 AbstractCegarLoop]: Difference is false [2018-12-08 12:06:26,133 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-12-08 12:06:26,133 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-12-08 12:06:26,144 INFO L276 IsEmpty]: Start isEmpty. Operand 127 states. [2018-12-08 12:06:26,149 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2018-12-08 12:06:26,149 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 12:06:26,149 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] [2018-12-08 12:06:26,151 INFO L423 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-08 12:06:26,154 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 12:06:26,154 INFO L82 PathProgramCache]: Analyzing trace with hash 1192580472, now seen corresponding path program 1 times [2018-12-08 12:06:26,155 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-08 12:06:26,155 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-08 12:06:26,183 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 12:06:26,183 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 12:06:26,183 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 12:06:26,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 12:06:26,290 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 12:06:26,291 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-08 12:06:26,291 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-12-08 12:06:26,294 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-12-08 12:06:26,301 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-12-08 12:06:26,301 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-12-08 12:06:26,303 INFO L87 Difference]: Start difference. First operand 127 states. Second operand 2 states. [2018-12-08 12:06:26,323 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 12:06:26,323 INFO L93 Difference]: Finished difference Result 228 states and 283 transitions. [2018-12-08 12:06:26,323 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-12-08 12:06:26,324 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 46 [2018-12-08 12:06:26,324 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 12:06:26,331 INFO L225 Difference]: With dead ends: 228 [2018-12-08 12:06:26,331 INFO L226 Difference]: Without dead ends: 114 [2018-12-08 12:06:26,333 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 [2018-12-08 12:06:26,343 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 114 states. [2018-12-08 12:06:26,359 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 114 to 114. [2018-12-08 12:06:26,360 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 114 states. [2018-12-08 12:06:26,361 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 114 states to 114 states and 133 transitions. [2018-12-08 12:06:26,362 INFO L78 Accepts]: Start accepts. Automaton has 114 states and 133 transitions. Word has length 46 [2018-12-08 12:06:26,363 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 12:06:26,363 INFO L480 AbstractCegarLoop]: Abstraction has 114 states and 133 transitions. [2018-12-08 12:06:26,363 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-12-08 12:06:26,363 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 133 transitions. [2018-12-08 12:06:26,364 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2018-12-08 12:06:26,365 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 12:06:26,365 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] [2018-12-08 12:06:26,365 INFO L423 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-08 12:06:26,365 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 12:06:26,365 INFO L82 PathProgramCache]: Analyzing trace with hash 249602612, now seen corresponding path program 1 times [2018-12-08 12:06:26,365 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-08 12:06:26,366 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-08 12:06:26,366 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 12:06:26,366 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 12:06:26,367 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 12:06:26,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 12:06:26,413 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 12:06:26,413 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-08 12:06:26,413 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-12-08 12:06:26,414 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-12-08 12:06:26,415 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-12-08 12:06:26,415 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-08 12:06:26,415 INFO L87 Difference]: Start difference. First operand 114 states and 133 transitions. Second operand 3 states. [2018-12-08 12:06:26,426 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 12:06:26,426 INFO L93 Difference]: Finished difference Result 168 states and 195 transitions. [2018-12-08 12:06:26,426 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-12-08 12:06:26,426 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 47 [2018-12-08 12:06:26,426 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 12:06:26,427 INFO L225 Difference]: With dead ends: 168 [2018-12-08 12:06:26,427 INFO L226 Difference]: Without dead ends: 105 [2018-12-08 12:06:26,428 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 [2018-12-08 12:06:26,428 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 105 states. [2018-12-08 12:06:26,434 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 105 to 105. [2018-12-08 12:06:26,434 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 105 states. [2018-12-08 12:06:26,434 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 105 states to 105 states and 121 transitions. [2018-12-08 12:06:26,435 INFO L78 Accepts]: Start accepts. Automaton has 105 states and 121 transitions. Word has length 47 [2018-12-08 12:06:26,435 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 12:06:26,435 INFO L480 AbstractCegarLoop]: Abstraction has 105 states and 121 transitions. [2018-12-08 12:06:26,435 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-12-08 12:06:26,435 INFO L276 IsEmpty]: Start isEmpty. Operand 105 states and 121 transitions. [2018-12-08 12:06:26,436 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2018-12-08 12:06:26,436 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 12:06:26,436 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] [2018-12-08 12:06:26,436 INFO L423 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-08 12:06:26,436 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 12:06:26,436 INFO L82 PathProgramCache]: Analyzing trace with hash 1139522814, now seen corresponding path program 1 times [2018-12-08 12:06:26,437 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-08 12:06:26,437 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-08 12:06:26,437 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 12:06:26,437 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 12:06:26,437 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 12:06:26,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 12:06:26,500 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 12:06:26,501 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-08 12:06:26,501 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-12-08 12:06:26,501 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-12-08 12:06:26,501 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-12-08 12:06:26,501 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2018-12-08 12:06:26,501 INFO L87 Difference]: Start difference. First operand 105 states and 121 transitions. Second operand 7 states. [2018-12-08 12:06:26,675 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 12:06:26,676 INFO L93 Difference]: Finished difference Result 317 states and 381 transitions. [2018-12-08 12:06:26,676 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-12-08 12:06:26,676 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 51 [2018-12-08 12:06:26,676 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 12:06:26,678 INFO L225 Difference]: With dead ends: 317 [2018-12-08 12:06:26,678 INFO L226 Difference]: Without dead ends: 236 [2018-12-08 12:06:26,679 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 [2018-12-08 12:06:26,679 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 236 states. [2018-12-08 12:06:26,694 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 236 to 216. [2018-12-08 12:06:26,695 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 216 states. [2018-12-08 12:06:26,696 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 216 states and 258 transitions. [2018-12-08 12:06:26,696 INFO L78 Accepts]: Start accepts. Automaton has 216 states and 258 transitions. Word has length 51 [2018-12-08 12:06:26,696 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 12:06:26,696 INFO L480 AbstractCegarLoop]: Abstraction has 216 states and 258 transitions. [2018-12-08 12:06:26,696 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-12-08 12:06:26,696 INFO L276 IsEmpty]: Start isEmpty. Operand 216 states and 258 transitions. [2018-12-08 12:06:26,697 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2018-12-08 12:06:26,697 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 12:06:26,697 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] [2018-12-08 12:06:26,697 INFO L423 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-08 12:06:26,698 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 12:06:26,698 INFO L82 PathProgramCache]: Analyzing trace with hash -1419273718, now seen corresponding path program 1 times [2018-12-08 12:06:26,698 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-08 12:06:26,698 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-08 12:06:26,698 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 12:06:26,699 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 12:06:26,699 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 12:06:26,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 12:06:26,781 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 12:06:26,782 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-08 12:06:26,782 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2018-12-08 12:06:26,782 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-12-08 12:06:26,782 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-12-08 12:06:26,782 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90 [2018-12-08 12:06:26,783 INFO L87 Difference]: Start difference. First operand 216 states and 258 transitions. Second operand 10 states. [2018-12-08 12:06:27,086 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 12:06:27,086 INFO L93 Difference]: Finished difference Result 744 states and 972 transitions. [2018-12-08 12:06:27,086 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2018-12-08 12:06:27,086 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 57 [2018-12-08 12:06:27,087 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 12:06:27,089 INFO L225 Difference]: With dead ends: 744 [2018-12-08 12:06:27,089 INFO L226 Difference]: Without dead ends: 552 [2018-12-08 12:06:27,091 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 39 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=63, Invalid=279, Unknown=0, NotChecked=0, Total=342 [2018-12-08 12:06:27,091 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 552 states. [2018-12-08 12:06:27,117 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 552 to 540. [2018-12-08 12:06:27,117 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 540 states. [2018-12-08 12:06:27,119 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 540 states to 540 states and 674 transitions. [2018-12-08 12:06:27,119 INFO L78 Accepts]: Start accepts. Automaton has 540 states and 674 transitions. Word has length 57 [2018-12-08 12:06:27,120 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 12:06:27,120 INFO L480 AbstractCegarLoop]: Abstraction has 540 states and 674 transitions. [2018-12-08 12:06:27,120 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-12-08 12:06:27,120 INFO L276 IsEmpty]: Start isEmpty. Operand 540 states and 674 transitions. [2018-12-08 12:06:27,122 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2018-12-08 12:06:27,122 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 12:06:27,122 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] [2018-12-08 12:06:27,122 INFO L423 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-08 12:06:27,123 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 12:06:27,123 INFO L82 PathProgramCache]: Analyzing trace with hash -1162706576, now seen corresponding path program 1 times [2018-12-08 12:06:27,123 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-08 12:06:27,123 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-08 12:06:27,123 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 12:06:27,123 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 12:06:27,124 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 12:06:27,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 12:06:27,174 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 12:06:27,174 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-08 12:06:27,174 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-12-08 12:06:27,174 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-12-08 12:06:27,175 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-12-08 12:06:27,175 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-12-08 12:06:27,175 INFO L87 Difference]: Start difference. First operand 540 states and 674 transitions. Second operand 4 states. [2018-12-08 12:06:27,369 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 12:06:27,369 INFO L93 Difference]: Finished difference Result 1416 states and 1924 transitions. [2018-12-08 12:06:27,370 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-12-08 12:06:27,370 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 61 [2018-12-08 12:06:27,370 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 12:06:27,375 INFO L225 Difference]: With dead ends: 1416 [2018-12-08 12:06:27,375 INFO L226 Difference]: Without dead ends: 900 [2018-12-08 12:06:27,378 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 7 SyntacticMatches, 1 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-12-08 12:06:27,379 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 900 states. [2018-12-08 12:06:27,449 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 900 to 789. [2018-12-08 12:06:27,450 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 789 states. [2018-12-08 12:06:27,452 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 789 states to 789 states and 994 transitions. [2018-12-08 12:06:27,453 INFO L78 Accepts]: Start accepts. Automaton has 789 states and 994 transitions. Word has length 61 [2018-12-08 12:06:27,453 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 12:06:27,453 INFO L480 AbstractCegarLoop]: Abstraction has 789 states and 994 transitions. [2018-12-08 12:06:27,453 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-12-08 12:06:27,453 INFO L276 IsEmpty]: Start isEmpty. Operand 789 states and 994 transitions. [2018-12-08 12:06:27,456 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2018-12-08 12:06:27,457 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 12:06:27,457 INFO L402 BasicCegarLoop]: trace histogram [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] [2018-12-08 12:06:27,457 INFO L423 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-08 12:06:27,457 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 12:06:27,457 INFO L82 PathProgramCache]: Analyzing trace with hash -1264106976, now seen corresponding path program 1 times [2018-12-08 12:06:27,457 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-08 12:06:27,458 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-08 12:06:27,458 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 12:06:27,458 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 12:06:27,458 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 12:06:27,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 12:06:27,536 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 4 proven. 3 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2018-12-08 12:06:27,537 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-08 12:06:27,537 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_53c5aaab-020b-48aa-a91f-be1f5cc3b6df/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 [2018-12-08 12:06:27,545 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 12:06:27,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 12:06:27,632 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-08 12:06:27,721 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 20 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-12-08 12:06:27,736 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-12-08 12:06:27,736 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 12 [2018-12-08 12:06:27,737 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2018-12-08 12:06:27,737 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2018-12-08 12:06:27,737 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=109, Unknown=0, NotChecked=0, Total=132 [2018-12-08 12:06:27,737 INFO L87 Difference]: Start difference. First operand 789 states and 994 transitions. Second operand 12 states. [2018-12-08 12:06:29,251 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 12:06:29,251 INFO L93 Difference]: Finished difference Result 1914 states and 2613 transitions. [2018-12-08 12:06:29,251 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2018-12-08 12:06:29,251 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 88 [2018-12-08 12:06:29,252 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 12:06:29,257 INFO L225 Difference]: With dead ends: 1914 [2018-12-08 12:06:29,258 INFO L226 Difference]: Without dead ends: 1371 [2018-12-08 12:06:29,260 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 154 GetRequests, 103 SyntacticMatches, 0 SemanticMatches, 51 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 772 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=521, Invalid=2235, Unknown=0, NotChecked=0, Total=2756 [2018-12-08 12:06:29,262 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1371 states. [2018-12-08 12:06:29,324 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1371 to 1201. [2018-12-08 12:06:29,324 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1201 states. [2018-12-08 12:06:29,329 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1201 states to 1201 states and 1533 transitions. [2018-12-08 12:06:29,329 INFO L78 Accepts]: Start accepts. Automaton has 1201 states and 1533 transitions. Word has length 88 [2018-12-08 12:06:29,330 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 12:06:29,330 INFO L480 AbstractCegarLoop]: Abstraction has 1201 states and 1533 transitions. [2018-12-08 12:06:29,330 INFO L481 AbstractCegarLoop]: Interpolant automaton has 12 states. [2018-12-08 12:06:29,330 INFO L276 IsEmpty]: Start isEmpty. Operand 1201 states and 1533 transitions. [2018-12-08 12:06:29,332 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2018-12-08 12:06:29,332 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 12:06:29,332 INFO L402 BasicCegarLoop]: trace histogram [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] [2018-12-08 12:06:29,332 INFO L423 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-08 12:06:29,332 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 12:06:29,333 INFO L82 PathProgramCache]: Analyzing trace with hash 1042332916, now seen corresponding path program 1 times [2018-12-08 12:06:29,333 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-08 12:06:29,333 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-08 12:06:29,333 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 12:06:29,333 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 12:06:29,334 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 12:06:29,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 12:06:29,414 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 16 proven. 2 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2018-12-08 12:06:29,415 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-08 12:06:29,415 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_53c5aaab-020b-48aa-a91f-be1f5cc3b6df/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 [2018-12-08 12:06:29,423 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 12:06:29,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 12:06:29,484 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-08 12:06:29,506 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-12-08 12:06:29,521 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-12-08 12:06:29,521 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [6] total 6 [2018-12-08 12:06:29,522 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-12-08 12:06:29,522 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-12-08 12:06:29,522 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-12-08 12:06:29,522 INFO L87 Difference]: Start difference. First operand 1201 states and 1533 transitions. Second operand 6 states. [2018-12-08 12:06:29,570 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 12:06:29,570 INFO L93 Difference]: Finished difference Result 2418 states and 3167 transitions. [2018-12-08 12:06:29,571 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-12-08 12:06:29,571 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 109 [2018-12-08 12:06:29,571 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 12:06:29,574 INFO L225 Difference]: With dead ends: 2418 [2018-12-08 12:06:29,574 INFO L226 Difference]: Without dead ends: 1241 [2018-12-08 12:06:29,576 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 115 GetRequests, 107 SyntacticMatches, 3 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2018-12-08 12:06:29,577 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1241 states. [2018-12-08 12:06:29,608 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1241 to 1241. [2018-12-08 12:06:29,608 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1241 states. [2018-12-08 12:06:29,611 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1241 states to 1241 states and 1577 transitions. [2018-12-08 12:06:29,611 INFO L78 Accepts]: Start accepts. Automaton has 1241 states and 1577 transitions. Word has length 109 [2018-12-08 12:06:29,612 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 12:06:29,612 INFO L480 AbstractCegarLoop]: Abstraction has 1241 states and 1577 transitions. [2018-12-08 12:06:29,612 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-12-08 12:06:29,612 INFO L276 IsEmpty]: Start isEmpty. Operand 1241 states and 1577 transitions. [2018-12-08 12:06:29,613 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2018-12-08 12:06:29,613 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 12:06:29,614 INFO L402 BasicCegarLoop]: trace histogram [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] [2018-12-08 12:06:29,614 INFO L423 AbstractCegarLoop]: === Iteration 8 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-08 12:06:29,614 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 12:06:29,614 INFO L82 PathProgramCache]: Analyzing trace with hash 624936310, now seen corresponding path program 1 times [2018-12-08 12:06:29,614 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-08 12:06:29,614 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-08 12:06:29,615 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 12:06:29,615 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 12:06:29,615 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 12:06:29,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 12:06:29,677 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 16 proven. 2 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2018-12-08 12:06:29,678 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-08 12:06:29,678 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_53c5aaab-020b-48aa-a91f-be1f5cc3b6df/bin-2019/uautomizer/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-12-08 12:06:29,684 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 12:06:29,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 12:06:29,744 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-08 12:06:29,773 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-12-08 12:06:29,789 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-12-08 12:06:29,789 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [8] total 11 [2018-12-08 12:06:29,789 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2018-12-08 12:06:29,789 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2018-12-08 12:06:29,790 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=88, Unknown=0, NotChecked=0, Total=110 [2018-12-08 12:06:29,790 INFO L87 Difference]: Start difference. First operand 1241 states and 1577 transitions. Second operand 11 states. [2018-12-08 12:06:29,839 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 12:06:29,839 INFO L93 Difference]: Finished difference Result 2309 states and 3000 transitions. [2018-12-08 12:06:29,839 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-12-08 12:06:29,839 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 109 [2018-12-08 12:06:29,839 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 12:06:29,842 INFO L225 Difference]: With dead ends: 2309 [2018-12-08 12:06:29,842 INFO L226 Difference]: Without dead ends: 1092 [2018-12-08 12:06:29,844 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 118 GetRequests, 109 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=88, Unknown=0, NotChecked=0, Total=110 [2018-12-08 12:06:29,845 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1092 states. [2018-12-08 12:06:29,874 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1092 to 1092. [2018-12-08 12:06:29,874 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1092 states. [2018-12-08 12:06:29,876 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1092 states to 1092 states and 1373 transitions. [2018-12-08 12:06:29,876 INFO L78 Accepts]: Start accepts. Automaton has 1092 states and 1373 transitions. Word has length 109 [2018-12-08 12:06:29,876 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 12:06:29,876 INFO L480 AbstractCegarLoop]: Abstraction has 1092 states and 1373 transitions. [2018-12-08 12:06:29,876 INFO L481 AbstractCegarLoop]: Interpolant automaton has 11 states. [2018-12-08 12:06:29,876 INFO L276 IsEmpty]: Start isEmpty. Operand 1092 states and 1373 transitions. [2018-12-08 12:06:29,877 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2018-12-08 12:06:29,878 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 12:06:29,878 INFO L402 BasicCegarLoop]: trace histogram [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] [2018-12-08 12:06:29,878 INFO L423 AbstractCegarLoop]: === Iteration 9 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-08 12:06:29,878 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 12:06:29,878 INFO L82 PathProgramCache]: Analyzing trace with hash -430923139, now seen corresponding path program 1 times [2018-12-08 12:06:29,878 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-08 12:06:29,878 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-08 12:06:29,879 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 12:06:29,879 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 12:06:29,879 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 12:06:29,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 12:06:29,966 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 18 proven. 3 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-12-08 12:06:29,966 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-08 12:06:29,966 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_53c5aaab-020b-48aa-a91f-be1f5cc3b6df/bin-2019/uautomizer/z3 Starting monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-12-08 12:06:29,975 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 12:06:30,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 12:06:30,041 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-08 12:06:30,099 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 14 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 12:06:30,125 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-12-08 12:06:30,125 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9] total 15 [2018-12-08 12:06:30,126 INFO L459 AbstractCegarLoop]: Interpolant automaton has 15 states [2018-12-08 12:06:30,126 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2018-12-08 12:06:30,126 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=44, Invalid=166, Unknown=0, NotChecked=0, Total=210 [2018-12-08 12:06:30,126 INFO L87 Difference]: Start difference. First operand 1092 states and 1373 transitions. Second operand 15 states. [2018-12-08 12:06:30,825 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 12:06:30,825 INFO L93 Difference]: Finished difference Result 2212 states and 2986 transitions. [2018-12-08 12:06:30,825 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2018-12-08 12:06:30,825 INFO L78 Accepts]: Start accepts. Automaton has 15 states. Word has length 113 [2018-12-08 12:06:30,826 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 12:06:30,831 INFO L225 Difference]: With dead ends: 2212 [2018-12-08 12:06:30,831 INFO L226 Difference]: Without dead ends: 1289 [2018-12-08 12:06:30,833 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 140 GetRequests, 114 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 141 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=195, Invalid=561, Unknown=0, NotChecked=0, Total=756 [2018-12-08 12:06:30,835 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1289 states. [2018-12-08 12:06:30,881 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1289 to 978. [2018-12-08 12:06:30,881 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 978 states. [2018-12-08 12:06:30,883 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 978 states to 978 states and 1225 transitions. [2018-12-08 12:06:30,883 INFO L78 Accepts]: Start accepts. Automaton has 978 states and 1225 transitions. Word has length 113 [2018-12-08 12:06:30,883 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 12:06:30,883 INFO L480 AbstractCegarLoop]: Abstraction has 978 states and 1225 transitions. [2018-12-08 12:06:30,883 INFO L481 AbstractCegarLoop]: Interpolant automaton has 15 states. [2018-12-08 12:06:30,883 INFO L276 IsEmpty]: Start isEmpty. Operand 978 states and 1225 transitions. [2018-12-08 12:06:30,885 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 149 [2018-12-08 12:06:30,885 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 12:06:30,885 INFO L402 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-08 12:06:30,885 INFO L423 AbstractCegarLoop]: === Iteration 10 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-08 12:06:30,886 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 12:06:30,886 INFO L82 PathProgramCache]: Analyzing trace with hash -1595195824, now seen corresponding path program 2 times [2018-12-08 12:06:30,886 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-08 12:06:30,886 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-08 12:06:30,886 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 12:06:30,886 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 12:06:30,886 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 12:06:30,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-08 12:06:30,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-08 12:06:30,979 INFO L469 BasicCegarLoop]: Counterexample might be feasible [2018-12-08 12:06:31,071 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 08.12 12:06:31 BoogieIcfgContainer [2018-12-08 12:06:31,071 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-12-08 12:06:31,071 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-08 12:06:31,071 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-08 12:06:31,071 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-08 12:06:31,072 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.12 12:06:26" (3/4) ... [2018-12-08 12:06:31,073 INFO L138 WitnessPrinter]: Generating witness for reachability counterexample [2018-12-08 12:06:31,161 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_53c5aaab-020b-48aa-a91f-be1f5cc3b6df/bin-2019/uautomizer/witness.graphml [2018-12-08 12:06:31,161 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-08 12:06:31,162 INFO L168 Benchmark]: Toolchain (without parser) took 5684.09 ms. Allocated memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: 305.1 MB). Free memory was 957.1 MB in the beginning and 970.1 MB in the end (delta: -13.0 MB). Peak memory consumption was 292.1 MB. Max. memory is 11.5 GB. [2018-12-08 12:06:31,162 INFO L168 Benchmark]: CDTParser took 0.10 ms. Allocated memory is still 1.0 GB. Free memory is still 982.3 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-08 12:06:31,162 INFO L168 Benchmark]: CACSL2BoogieTranslator took 286.80 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 134.7 MB). Free memory was 957.1 MB in the beginning and 1.1 GB in the end (delta: -161.0 MB). Peak memory consumption was 24.9 MB. Max. memory is 11.5 GB. [2018-12-08 12:06:31,163 INFO L168 Benchmark]: Boogie Procedure Inliner took 20.84 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-08 12:06:31,163 INFO L168 Benchmark]: Boogie Preprocessor took 21.56 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-08 12:06:31,163 INFO L168 Benchmark]: RCFGBuilder took 283.97 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 50.8 MB). Peak memory consumption was 50.8 MB. Max. memory is 11.5 GB. [2018-12-08 12:06:31,163 INFO L168 Benchmark]: TraceAbstraction took 4978.46 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 170.4 MB). Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 40.5 MB). Peak memory consumption was 210.9 MB. Max. memory is 11.5 GB. [2018-12-08 12:06:31,163 INFO L168 Benchmark]: Witness Printer took 89.84 ms. Allocated memory is still 1.3 GB. Free memory was 1.0 GB in the beginning and 970.1 MB in the end (delta: 56.6 MB). Peak memory consumption was 56.6 MB. Max. memory is 11.5 GB. [2018-12-08 12:06:31,164 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.10 ms. Allocated memory is still 1.0 GB. Free memory is still 982.3 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 286.80 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 134.7 MB). Free memory was 957.1 MB in the beginning and 1.1 GB in the end (delta: -161.0 MB). Peak memory consumption was 24.9 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 20.84 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 21.56 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 283.97 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 50.8 MB). Peak memory consumption was 50.8 MB. Max. memory is 11.5 GB. * TraceAbstraction took 4978.46 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 170.4 MB). Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 40.5 MB). Peak memory consumption was 210.9 MB. Max. memory is 11.5 GB. * Witness Printer took 89.84 ms. Allocated memory is still 1.3 GB. Free memory was 1.0 GB in the beginning and 970.1 MB in the end (delta: 56.6 MB). Peak memory consumption was 56.6 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 784]: a call of __VERIFIER_error() is reachable a call of __VERIFIER_error() is reachable We found a FailurePath: [L148] int pumpRunning = 0; [L149] int systemActive = 1; [L315] int cleanupTimeShifts = 4; [L583] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L824] int waterLevel = 1; [L825] int methaneLevelCritical = 0; [L391] int retValue_acc ; [L392] 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] [L396] 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] [L397] 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] [L398] 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] [L815] int retValue_acc ; [L818] retValue_acc = 1 [L819] 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] [L398] 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] [L398] tmp = valid_product() [L400] 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] [L402] 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] [L403] 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] [L382] 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] [L46] int splverifierCounter ; [L47] int tmp ; [L48] int tmp___0 ; [L49] int tmp___1 ; [L50] int tmp___2 ; [L53] 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] [L55] 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] [L57] 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] [L63] tmp = __VERIFIER_nondet_int() [L65] 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] [L67] 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] [L842] COND TRUE waterLevel < 2 [L843] 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] [L67] 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] [L73] tmp___0 = __VERIFIER_nondet_int() [L75] 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] [L83] tmp___2 = __VERIFIER_nondet_int() [L85] COND TRUE \read(tmp___2) 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___2=1, waterLevel=2] [L100] 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] [L155] 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] [L162] 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] [L164] 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] [L184] 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] [L187] 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] [L189] 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] [L281] int retValue_acc ; [L282] int tmp ; [L283] 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] [L287] 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] [L904] 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] [L907] COND FALSE !(waterLevel < 2) [L911] retValue_acc = 0 [L912] 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] [L287] 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] [L287] tmp = isHighWaterSensorDry() [L289] COND FALSE !(\read(tmp)) [L292] 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] [L294] retValue_acc = tmp___0 [L295] 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] [L189] 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] [L189] tmp = isHighWaterLevel() [L191] 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] [L193] 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] [L212] 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] [L193] 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] [L164] 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] [L170] CALL __utac_acc__Specification4_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] [L116] int tmp ; [L117] 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] [L121] CALL, EXPR getWaterLevel() 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] [L895] int retValue_acc ; [L898] retValue_acc = waterLevel [L899] return (retValue_acc); VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, \result=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, retValue_acc=2, systemActive=1, waterLevel=2] [L121] RET, EXPR getWaterLevel() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, getWaterLevel()=2, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=2] [L121] tmp = getWaterLevel() [L123] COND FALSE !(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, tmp=2, waterLevel=2] [L170] RET __utac_acc__Specification4_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] [L100] 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___2=1, waterLevel=2] [L55] 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___2=1, waterLevel=2] [L57] 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___2=1, waterLevel=2] [L63] tmp = __VERIFIER_nondet_int() [L65] 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___2=1, waterLevel=2] [L73] tmp___0 = __VERIFIER_nondet_int() [L75] 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=1, splverifierCounter=0, systemActive=1, tmp=0, tmp___0=0, tmp___2=1, waterLevel=2] [L83] tmp___2 = __VERIFIER_nondet_int() [L85] COND TRUE \read(tmp___2) 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___2=1, waterLevel=2] [L100] CALL timeShift() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=2] [L155] COND TRUE \read(pumpRunning) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=2] [L157] CALL lowerWaterLevel() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=2] [L830] COND TRUE waterLevel > 0 [L831] waterLevel = waterLevel - 1 VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=1] [L157] RET lowerWaterLevel() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=1] [L162] COND TRUE \read(systemActive) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=1] [L164] CALL processEnvironment() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=1] [L184] int tmp ; VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=1] [L187] COND FALSE !(! pumpRunning) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=1] [L202] FCALL processEnvironment__wrappee__base() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=1] [L164] RET processEnvironment() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=1] [L170] CALL __utac_acc__Specification4_spec__1() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=1] [L116] int tmp ; [L117] int tmp___0 ; VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=1] [L121] CALL, EXPR getWaterLevel() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=1] [L895] int retValue_acc ; [L898] retValue_acc = waterLevel [L899] return (retValue_acc); VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, \result=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, retValue_acc=1, systemActive=1, waterLevel=1] [L121] RET, EXPR getWaterLevel() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, getWaterLevel()=1, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=1] [L121] tmp = getWaterLevel() [L123] COND FALSE !(tmp == 0) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, tmp=1, waterLevel=1] [L170] RET __utac_acc__Specification4_spec__1() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=1] [L100] 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=0, tmp___0=0, tmp___2=1, waterLevel=1] [L55] 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=0, tmp___0=0, tmp___2=1, waterLevel=1] [L57] 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=0, tmp___0=0, tmp___2=1, waterLevel=1] [L63] tmp = __VERIFIER_nondet_int() [L65] 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___2=1, waterLevel=1] [L73] tmp___0 = __VERIFIER_nondet_int() [L75] 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=1, splverifierCounter=0, systemActive=1, tmp=0, tmp___0=0, tmp___2=1, waterLevel=1] [L83] tmp___2 = __VERIFIER_nondet_int() [L85] COND TRUE \read(tmp___2) 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___2=1, waterLevel=1] [L100] CALL timeShift() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=1] [L155] COND TRUE \read(pumpRunning) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=1] [L157] CALL lowerWaterLevel() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=1] [L830] COND TRUE waterLevel > 0 [L831] waterLevel = waterLevel - 1 VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=0] [L157] RET lowerWaterLevel() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=0] [L162] COND TRUE \read(systemActive) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=0] [L164] CALL processEnvironment() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=0] [L184] int tmp ; VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=0] [L187] COND FALSE !(! pumpRunning) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=0] [L202] FCALL processEnvironment__wrappee__base() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=0] [L164] RET processEnvironment() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=0] [L170] CALL __utac_acc__Specification4_spec__1() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=0] [L116] int tmp ; [L117] int tmp___0 ; VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=0] [L121] CALL, EXPR getWaterLevel() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=0] [L895] int retValue_acc ; [L898] retValue_acc = waterLevel [L899] return (retValue_acc); VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=1, \result=0, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, retValue_acc=0, systemActive=1, waterLevel=0] [L121] RET, EXPR getWaterLevel() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, getWaterLevel()=0, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=0] [L121] tmp = getWaterLevel() [L123] COND TRUE tmp == 0 VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, tmp=0, waterLevel=0] [L125] CALL, EXPR isPumpRunning() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=0] [L236] int retValue_acc ; [L239] retValue_acc = pumpRunning [L240] return (retValue_acc); VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=1, \result=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, retValue_acc=1, systemActive=1, waterLevel=0] [L125] RET, EXPR isPumpRunning() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, isPumpRunning()=1, methaneLevelCritical=0, pumpRunning=1, systemActive=1, tmp=0, waterLevel=0] [L125] tmp___0 = isPumpRunning() [L127] COND TRUE \read(tmp___0) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, tmp=0, tmp___0=1, waterLevel=0] [L129] CALL __automaton_fail() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=0] [L784] __VERIFIER_error() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 25 procedures, 127 locations, 1 error locations. UNSAFE Result, 4.9s OverallTime, 10 OverallIterations, 3 TraceHistogramMax, 3.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 1253 SDtfs, 1497 SDslu, 3998 SDs, 0 SdLazy, 4017 SolverSat, 919 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 1.7s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 579 GetRequests, 455 SyntacticMatches, 4 SemanticMatches, 120 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 958 ImplicationChecksByTransitivity, 0.8s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1241occurred in iteration=7, 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, 9 MinimizatonAttempts, 624 StatesRemovedByMinimization, 5 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 0.6s InterpolantComputationTime, 1248 NumberOfCodeBlocks, 1248 NumberOfCodeBlocksAsserted, 14 NumberOfCheckSat, 1087 ConstructedInterpolants, 0 QuantifiedInterpolants, 162761 SizeOfPredicates, 12 NumberOfNonLiveVariables, 3019 ConjunctsInSsa, 42 ConjunctsInUnsatCore, 13 InterpolantComputations, 7 PerfectInterpolantSequences, 168/190 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! Received shutdown request...