./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec2_product34_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_1c6d9047-3c28-425c-980f-9c7abd7107e5/bin-2019/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_1c6d9047-3c28-425c-980f-9c7abd7107e5/bin-2019/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_1c6d9047-3c28-425c-980f-9c7abd7107e5/bin-2019/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_1c6d9047-3c28-425c-980f-9c7abd7107e5/bin-2019/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec2_product34_false-unreach-call_false-termination.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_1c6d9047-3c28-425c-980f-9c7abd7107e5/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_1c6d9047-3c28-425c-980f-9c7abd7107e5/bin-2019/ukojak --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 Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash f18aab99c70cc7d44332259818cc5069ce850e66 ....................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 16:29:23,679 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-08 16:29:23,680 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-08 16:29:23,686 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-08 16:29:23,687 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-08 16:29:23,687 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-08 16:29:23,688 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-08 16:29:23,689 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-08 16:29:23,690 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-08 16:29:23,690 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-08 16:29:23,691 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-08 16:29:23,691 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-08 16:29:23,692 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-08 16:29:23,692 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-08 16:29:23,693 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-08 16:29:23,693 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-08 16:29:23,694 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-08 16:29:23,694 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-08 16:29:23,696 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-08 16:29:23,696 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-08 16:29:23,697 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-08 16:29:23,698 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-08 16:29:23,699 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-08 16:29:23,699 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-08 16:29:23,699 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-08 16:29:23,700 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-08 16:29:23,700 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-08 16:29:23,701 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-08 16:29:23,701 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-08 16:29:23,702 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-08 16:29:23,702 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-08 16:29:23,702 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-08 16:29:23,703 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-08 16:29:23,703 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-08 16:29:23,703 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-08 16:29:23,704 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-08 16:29:23,704 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_1c6d9047-3c28-425c-980f-9c7abd7107e5/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2018-12-08 16:29:23,711 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-08 16:29:23,711 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-08 16:29:23,712 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-08 16:29:23,712 INFO L133 SettingsManager]: * ... to procedures called more than once=ALWAYS [2018-12-08 16:29:23,712 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-12-08 16:29:23,713 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-12-08 16:29:23,713 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-08 16:29:23,713 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-08 16:29:23,713 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-08 16:29:23,713 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-08 16:29:23,713 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-08 16:29:23,713 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-08 16:29:23,713 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-08 16:29:23,713 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-08 16:29:23,713 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-08 16:29:23,714 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-08 16:29:23,714 INFO L133 SettingsManager]: * Use constant arrays=true [2018-12-08 16:29:23,714 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-08 16:29:23,714 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-12-08 16:29:23,714 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-12-08 16:29:23,714 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-08 16:29:23,714 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-08 16:29:23,714 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-12-08 16:29:23,714 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-08 16:29:23,715 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-08 16:29:23,715 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-08 16:29:23,715 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-12-08 16:29:23,715 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-08 16:29:23,715 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-12-08 16:29:23,715 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_1c6d9047-3c28-425c-980f-9c7abd7107e5/bin-2019/ukojak 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 -> Kojak 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 -> f18aab99c70cc7d44332259818cc5069ce850e66 [2018-12-08 16:29:23,734 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-08 16:29:23,742 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-08 16:29:23,745 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-08 16:29:23,746 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-08 16:29:23,747 INFO L276 PluginConnector]: CDTParser initialized [2018-12-08 16:29:23,747 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_1c6d9047-3c28-425c-980f-9c7abd7107e5/bin-2019/ukojak/../../sv-benchmarks/c/product-lines/minepump_spec2_product34_false-unreach-call_false-termination.cil.c [2018-12-08 16:29:23,792 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_1c6d9047-3c28-425c-980f-9c7abd7107e5/bin-2019/ukojak/data/e337f4f21/4118b53a171f47d59b06c5a38e7ba14e/FLAG1e103a8e8 [2018-12-08 16:29:24,260 INFO L307 CDTParser]: Found 1 translation units. [2018-12-08 16:29:24,260 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_1c6d9047-3c28-425c-980f-9c7abd7107e5/sv-benchmarks/c/product-lines/minepump_spec2_product34_false-unreach-call_false-termination.cil.c [2018-12-08 16:29:24,267 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_1c6d9047-3c28-425c-980f-9c7abd7107e5/bin-2019/ukojak/data/e337f4f21/4118b53a171f47d59b06c5a38e7ba14e/FLAG1e103a8e8 [2018-12-08 16:29:24,769 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_1c6d9047-3c28-425c-980f-9c7abd7107e5/bin-2019/ukojak/data/e337f4f21/4118b53a171f47d59b06c5a38e7ba14e [2018-12-08 16:29:24,771 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-08 16:29:24,772 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-08 16:29:24,772 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-08 16:29:24,772 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-08 16:29:24,775 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-08 16:29:24,775 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.12 04:29:24" (1/1) ... [2018-12-08 16:29:24,777 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6a96ab85 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 04:29:24, skipping insertion in model container [2018-12-08 16:29:24,777 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.12 04:29:24" (1/1) ... [2018-12-08 16:29:24,782 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-08 16:29:24,803 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-08 16:29:24,951 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-08 16:29:24,959 INFO L191 MainTranslator]: Completed pre-run [2018-12-08 16:29:25,037 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-08 16:29:25,051 INFO L195 MainTranslator]: Completed translation [2018-12-08 16:29:25,052 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 04:29:25 WrapperNode [2018-12-08 16:29:25,052 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-08 16:29:25,052 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-08 16:29:25,052 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-08 16:29:25,053 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-08 16:29:25,057 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 04:29:25" (1/1) ... [2018-12-08 16:29:25,066 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 04:29:25" (1/1) ... [2018-12-08 16:29:25,083 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-08 16:29:25,083 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-08 16:29:25,083 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-08 16:29:25,083 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-08 16:29:25,089 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 04:29:25" (1/1) ... [2018-12-08 16:29:25,089 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 04:29:25" (1/1) ... [2018-12-08 16:29:25,091 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 04:29:25" (1/1) ... [2018-12-08 16:29:25,091 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 04:29:25" (1/1) ... [2018-12-08 16:29:25,095 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 04:29:25" (1/1) ... [2018-12-08 16:29:25,098 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 04:29:25" (1/1) ... [2018-12-08 16:29:25,099 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 04:29:25" (1/1) ... [2018-12-08 16:29:25,101 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-08 16:29:25,101 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-08 16:29:25,101 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-08 16:29:25,101 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-08 16:29:25,102 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 04:29:25" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_1c6d9047-3c28-425c-980f-9c7abd7107e5/bin-2019/ukojak/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (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:10000 [2018-12-08 16:29:25,134 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-12-08 16:29:25,134 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2018-12-08 16:29:25,134 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2018-12-08 16:29:25,134 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2018-12-08 16:29:25,135 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2018-12-08 16:29:25,135 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2018-12-08 16:29:25,135 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2018-12-08 16:29:25,135 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2018-12-08 16:29:25,135 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2018-12-08 16:29:25,135 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2018-12-08 16:29:25,135 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2018-12-08 16:29:25,135 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2018-12-08 16:29:25,135 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2018-12-08 16:29:25,136 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2018-12-08 16:29:25,136 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-08 16:29:25,136 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-08 16:29:25,519 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-08 16:29:25,519 INFO L280 CfgBuilder]: Removed 38 assue(true) statements. [2018-12-08 16:29:25,520 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.12 04:29:25 BoogieIcfgContainer [2018-12-08 16:29:25,520 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-08 16:29:25,520 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-12-08 16:29:25,520 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-12-08 16:29:25,526 INFO L276 PluginConnector]: CodeCheck initialized [2018-12-08 16:29:25,527 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.12 04:29:25" (1/1) ... [2018-12-08 16:29:25,533 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 16:29:25,550 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 16:29:25,556 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62 states to 47 states and 62 transitions. [2018-12-08 16:29:25,557 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 62 transitions. [2018-12-08 16:29:25,560 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2018-12-08 16:29:25,560 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 16:29:25,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 16:29:25,662 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 16:29:25,669 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 16:29:25,669 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 47 states and 60 transitions. [2018-12-08 16:29:25,669 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 60 transitions. [2018-12-08 16:29:25,670 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-12-08 16:29:25,670 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 16:29:25,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 16:29:25,720 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 16:29:25,744 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 16:29:25,745 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 49 states and 63 transitions. [2018-12-08 16:29:25,745 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 63 transitions. [2018-12-08 16:29:25,745 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2018-12-08 16:29:25,745 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 16:29:25,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 16:29:25,798 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 16:29:25,901 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 16:29:25,902 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 62 states and 89 transitions. [2018-12-08 16:29:25,902 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 89 transitions. [2018-12-08 16:29:25,903 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2018-12-08 16:29:25,903 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 16:29:25,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 16:29:25,942 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 16:29:25,950 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 16:29:25,951 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90 states to 63 states and 90 transitions. [2018-12-08 16:29:25,951 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 90 transitions. [2018-12-08 16:29:25,952 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2018-12-08 16:29:25,952 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 16:29:25,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 16:29:25,985 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 16:29:25,989 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 16:29:25,990 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 93 states to 65 states and 93 transitions. [2018-12-08 16:29:25,990 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 93 transitions. [2018-12-08 16:29:25,992 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2018-12-08 16:29:25,992 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 16:29:26,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 16:29:26,040 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 16:29:26,186 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 16:29:26,187 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 114 states to 75 states and 114 transitions. [2018-12-08 16:29:26,188 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 114 transitions. [2018-12-08 16:29:26,189 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2018-12-08 16:29:26,189 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 16:29:26,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 16:29:26,215 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 16:29:26,221 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 16:29:26,221 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 115 states to 76 states and 115 transitions. [2018-12-08 16:29:26,222 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 115 transitions. [2018-12-08 16:29:26,222 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2018-12-08 16:29:26,222 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 16:29:26,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 16:29:26,266 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 16:29:26,500 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 16:29:26,501 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 135 states to 86 states and 135 transitions. [2018-12-08 16:29:26,501 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 135 transitions. [2018-12-08 16:29:26,501 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2018-12-08 16:29:26,502 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 16:29:26,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 16:29:26,516 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 16:29:26,523 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 16:29:26,525 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 136 states to 87 states and 136 transitions. [2018-12-08 16:29:26,525 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 136 transitions. [2018-12-08 16:29:26,526 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2018-12-08 16:29:26,526 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 16:29:26,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 16:29:26,599 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 16:29:27,216 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 16:29:27,217 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 175 states to 105 states and 175 transitions. [2018-12-08 16:29:27,217 INFO L276 IsEmpty]: Start isEmpty. Operand 105 states and 175 transitions. [2018-12-08 16:29:27,218 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2018-12-08 16:29:27,218 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 16:29:27,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 16:29:27,230 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 16:29:27,237 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 16:29:27,237 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 175 states to 106 states and 175 transitions. [2018-12-08 16:29:27,237 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 175 transitions. [2018-12-08 16:29:27,238 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2018-12-08 16:29:27,238 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 16:29:27,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 16:29:27,253 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 16:29:27,262 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 16:29:27,263 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 177 states to 107 states and 177 transitions. [2018-12-08 16:29:27,263 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 177 transitions. [2018-12-08 16:29:27,264 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2018-12-08 16:29:27,264 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 16:29:27,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 16:29:27,282 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 16:29:27,293 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 16:29:27,294 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 178 states to 108 states and 178 transitions. [2018-12-08 16:29:27,294 INFO L276 IsEmpty]: Start isEmpty. Operand 108 states and 178 transitions. [2018-12-08 16:29:27,295 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2018-12-08 16:29:27,295 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 16:29:27,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 16:29:27,328 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-12-08 16:29:27,569 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 16:29:27,569 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 193 states to 114 states and 193 transitions. [2018-12-08 16:29:27,570 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 193 transitions. [2018-12-08 16:29:27,570 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2018-12-08 16:29:27,570 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 16:29:27,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 16:29:27,588 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-12-08 16:29:27,598 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 16:29:27,599 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 193 states to 112 states and 189 transitions. [2018-12-08 16:29:27,599 INFO L276 IsEmpty]: Start isEmpty. Operand 112 states and 189 transitions. [2018-12-08 16:29:27,600 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2018-12-08 16:29:27,600 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 16:29:27,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 16:29:27,755 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 8 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-12-08 16:29:28,155 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 16:29:28,155 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 200 states to 115 states and 196 transitions. [2018-12-08 16:29:28,156 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states and 196 transitions. [2018-12-08 16:29:28,156 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2018-12-08 16:29:28,156 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 16:29:28,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 16:29:28,424 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 9 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-12-08 16:29:30,018 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 16:29:30,020 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 242 states to 130 states and 237 transitions. [2018-12-08 16:29:30,020 INFO L276 IsEmpty]: Start isEmpty. Operand 130 states and 237 transitions. [2018-12-08 16:29:30,021 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2018-12-08 16:29:30,021 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 16:29:30,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 16:29:30,040 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-12-08 16:29:30,414 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 16:29:30,415 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 249 states to 132 states and 242 transitions. [2018-12-08 16:29:30,415 INFO L276 IsEmpty]: Start isEmpty. Operand 132 states and 242 transitions. [2018-12-08 16:29:30,416 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2018-12-08 16:29:30,416 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 16:29:30,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 16:29:30,435 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-12-08 16:29:30,597 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 16:29:30,597 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 250 states to 134 states and 243 transitions. [2018-12-08 16:29:30,598 INFO L276 IsEmpty]: Start isEmpty. Operand 134 states and 243 transitions. [2018-12-08 16:29:30,598 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2018-12-08 16:29:30,598 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 16:29:30,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 16:29:30,961 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 10 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-12-08 16:29:33,837 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 16:29:33,838 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 292 states to 150 states and 284 transitions. [2018-12-08 16:29:33,838 INFO L276 IsEmpty]: Start isEmpty. Operand 150 states and 284 transitions. [2018-12-08 16:29:33,839 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2018-12-08 16:29:33,839 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 16:29:33,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 16:29:33,922 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 4 proven. 2 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-12-08 16:29:34,651 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 16:29:34,652 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 312 states to 156 states and 304 transitions. [2018-12-08 16:29:34,652 INFO L276 IsEmpty]: Start isEmpty. Operand 156 states and 304 transitions. [2018-12-08 16:29:34,652 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2018-12-08 16:29:34,652 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 16:29:34,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 16:29:34,664 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-12-08 16:29:34,879 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 16:29:34,880 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 314 states to 157 states and 306 transitions. [2018-12-08 16:29:34,880 INFO L276 IsEmpty]: Start isEmpty. Operand 157 states and 306 transitions. [2018-12-08 16:29:34,881 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2018-12-08 16:29:34,881 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 16:29:34,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 16:29:34,965 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-12-08 16:29:35,141 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 16:29:35,142 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 316 states to 159 states and 308 transitions. [2018-12-08 16:29:35,142 INFO L276 IsEmpty]: Start isEmpty. Operand 159 states and 308 transitions. [2018-12-08 16:29:35,143 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2018-12-08 16:29:35,143 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 16:29:35,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 16:29:35,219 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-12-08 16:29:36,679 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 16:29:36,680 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 353 states to 171 states and 345 transitions. [2018-12-08 16:29:36,680 INFO L276 IsEmpty]: Start isEmpty. Operand 171 states and 345 transitions. [2018-12-08 16:29:36,681 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2018-12-08 16:29:36,681 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 16:29:36,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 16:29:36,693 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-12-08 16:29:36,708 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 16:29:36,708 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 354 states to 172 states and 346 transitions. [2018-12-08 16:29:36,709 INFO L276 IsEmpty]: Start isEmpty. Operand 172 states and 346 transitions. [2018-12-08 16:29:36,709 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2018-12-08 16:29:36,709 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 16:29:36,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 16:29:36,723 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-12-08 16:29:37,038 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 16:29:37,038 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 358 states to 173 states and 348 transitions. [2018-12-08 16:29:37,038 INFO L276 IsEmpty]: Start isEmpty. Operand 173 states and 348 transitions. [2018-12-08 16:29:37,040 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2018-12-08 16:29:37,040 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 16:29:37,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 16:29:37,055 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-12-08 16:29:37,361 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 16:29:37,362 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 364 states to 175 states and 352 transitions. [2018-12-08 16:29:37,362 INFO L276 IsEmpty]: Start isEmpty. Operand 175 states and 352 transitions. [2018-12-08 16:29:37,363 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2018-12-08 16:29:37,363 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 16:29:37,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 16:29:37,381 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-12-08 16:29:37,794 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 16:29:37,795 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 374 states to 179 states and 356 transitions. [2018-12-08 16:29:37,795 INFO L276 IsEmpty]: Start isEmpty. Operand 179 states and 356 transitions. [2018-12-08 16:29:37,796 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2018-12-08 16:29:37,796 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 16:29:37,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 16:29:37,808 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-12-08 16:29:38,251 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 16:29:38,252 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 399 states to 186 states and 381 transitions. [2018-12-08 16:29:38,252 INFO L276 IsEmpty]: Start isEmpty. Operand 186 states and 381 transitions. [2018-12-08 16:29:38,253 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2018-12-08 16:29:38,253 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 16:29:38,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 16:29:38,325 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-12-08 16:29:38,589 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 16:29:38,589 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 406 states to 188 states and 388 transitions. [2018-12-08 16:29:38,590 INFO L276 IsEmpty]: Start isEmpty. Operand 188 states and 388 transitions. [2018-12-08 16:29:38,590 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2018-12-08 16:29:38,590 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 16:29:38,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 16:29:38,601 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-12-08 16:29:38,833 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 16:29:38,834 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 413 states to 190 states and 395 transitions. [2018-12-08 16:29:38,834 INFO L276 IsEmpty]: Start isEmpty. Operand 190 states and 395 transitions. [2018-12-08 16:29:38,834 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2018-12-08 16:29:38,834 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 16:29:38,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 16:29:38,845 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-12-08 16:29:39,695 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 16:29:39,695 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 461 states to 192 states and 421 transitions. [2018-12-08 16:29:39,695 INFO L276 IsEmpty]: Start isEmpty. Operand 192 states and 421 transitions. [2018-12-08 16:29:39,696 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2018-12-08 16:29:39,696 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 16:29:39,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 16:29:39,710 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-12-08 16:29:39,936 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 16:29:39,936 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 462 states to 191 states and 418 transitions. [2018-12-08 16:29:39,936 INFO L276 IsEmpty]: Start isEmpty. Operand 191 states and 418 transitions. [2018-12-08 16:29:39,937 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2018-12-08 16:29:39,937 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 16:29:39,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 16:29:40,014 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2018-12-08 16:29:40,023 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 16:29:40,024 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 463 states to 192 states and 419 transitions. [2018-12-08 16:29:40,024 INFO L276 IsEmpty]: Start isEmpty. Operand 192 states and 419 transitions. [2018-12-08 16:29:40,025 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2018-12-08 16:29:40,025 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 16:29:40,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 16:29:40,035 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-12-08 16:29:40,045 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 16:29:40,045 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 464 states to 190 states and 415 transitions. [2018-12-08 16:29:40,046 INFO L276 IsEmpty]: Start isEmpty. Operand 190 states and 415 transitions. [2018-12-08 16:29:40,046 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2018-12-08 16:29:40,046 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 16:29:40,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 16:29:40,317 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 8 proven. 8 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-12-08 16:29:45,012 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 16:29:45,013 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 540 states to 209 states and 478 transitions. [2018-12-08 16:29:45,013 INFO L276 IsEmpty]: Start isEmpty. Operand 209 states and 478 transitions. [2018-12-08 16:29:45,014 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2018-12-08 16:29:45,014 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 16:29:45,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 16:29:45,366 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 10 proven. 8 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-12-08 16:29:47,667 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 16:29:47,668 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 578 states to 219 states and 516 transitions. [2018-12-08 16:29:47,668 INFO L276 IsEmpty]: Start isEmpty. Operand 219 states and 516 transitions. [2018-12-08 16:29:47,668 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2018-12-08 16:29:47,668 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 16:29:47,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 16:29:47,683 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 8 proven. 8 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-12-08 16:29:47,958 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 16:29:47,959 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 581 states to 221 states and 519 transitions. [2018-12-08 16:29:47,959 INFO L276 IsEmpty]: Start isEmpty. Operand 221 states and 519 transitions. [2018-12-08 16:29:47,960 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2018-12-08 16:29:47,960 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 16:29:47,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-08 16:29:47,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-08 16:29:48,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-08 16:29:48,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-08 16:29:48,119 WARN L497 CodeCheckObserver]: This program is UNSAFE, Check terminated with 39 iterations. [2018-12-08 16:29:48,210 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 08.12 04:29:48 ImpRootNode [2018-12-08 16:29:48,210 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2018-12-08 16:29:48,210 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-08 16:29:48,210 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-08 16:29:48,210 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-08 16:29:48,211 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.12 04:29:25" (3/4) ... [2018-12-08 16:29:48,212 INFO L138 WitnessPrinter]: Generating witness for reachability counterexample [2018-12-08 16:29:48,270 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_1c6d9047-3c28-425c-980f-9c7abd7107e5/bin-2019/ukojak/witness.graphml [2018-12-08 16:29:48,271 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-08 16:29:48,271 INFO L168 Benchmark]: Toolchain (without parser) took 23499.91 ms. Allocated memory was 1.0 GB in the beginning and 1.6 GB in the end (delta: 563.6 MB). Free memory was 960.3 MB in the beginning and 941.3 MB in the end (delta: 18.9 MB). Peak memory consumption was 582.5 MB. Max. memory is 11.5 GB. [2018-12-08 16:29:48,272 INFO L168 Benchmark]: CDTParser took 0.17 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 16:29:48,272 INFO L168 Benchmark]: CACSL2BoogieTranslator took 279.77 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 64.5 MB). Free memory was 954.9 MB in the beginning and 1.0 GB in the end (delta: -92.8 MB). Peak memory consumption was 25.0 MB. Max. memory is 11.5 GB. [2018-12-08 16:29:48,272 INFO L168 Benchmark]: Boogie Procedure Inliner took 30.49 ms. Allocated memory is still 1.1 GB. Free memory is still 1.0 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-08 16:29:48,272 INFO L168 Benchmark]: Boogie Preprocessor took 18.09 ms. Allocated memory is still 1.1 GB. Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 1.4 MB). Peak memory consumption was 1.4 MB. Max. memory is 11.5 GB. [2018-12-08 16:29:48,272 INFO L168 Benchmark]: RCFGBuilder took 418.47 ms. Allocated memory is still 1.1 GB. Free memory was 1.0 GB in the beginning and 977.7 MB in the end (delta: 68.6 MB). Peak memory consumption was 68.6 MB. Max. memory is 11.5 GB. [2018-12-08 16:29:48,273 INFO L168 Benchmark]: CodeCheck took 22689.88 ms. Allocated memory was 1.1 GB in the beginning and 1.6 GB in the end (delta: 499.1 MB). Free memory was 977.7 MB in the beginning and 957.9 MB in the end (delta: 19.8 MB). Peak memory consumption was 519.0 MB. Max. memory is 11.5 GB. [2018-12-08 16:29:48,273 INFO L168 Benchmark]: Witness Printer took 60.51 ms. Allocated memory is still 1.6 GB. Free memory was 957.9 MB in the beginning and 941.3 MB in the end (delta: 16.5 MB). Peak memory consumption was 16.5 MB. Max. memory is 11.5 GB. [2018-12-08 16:29:48,274 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 7 procedures, 68 locations, 1 error locations. UNSAFE Result, 22.5s OverallTime, 39 OverallIterations, 0 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: -463752536 SDtfs, 601310956 SDslu, 727666524 SDs, 0 SdLazy, 1767360716 SolverSat, 269383772 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 15.3s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 15962 GetRequests, 15458 SyntacticMatches, 52 SemanticMatches, 452 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 94259 ImplicationChecksByTransitivity, 20.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 2.1s InterpolantComputationTime, 1428 NumberOfCodeBlocks, 1428 NumberOfCodeBlocksAsserted, 39 NumberOfCheckSat, 1339 ConstructedInterpolants, 0 QuantifiedInterpolants, 118991 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 38 InterpolantComputations, 27 PerfectInterpolantSequences, 300/356 InterpolantCoveringCapability, 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: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - CounterExampleResult [Line: 249]: a call of __VERIFIER_error() is reachable a call of __VERIFIER_error() is reachable We found a FailurePath: [L40] int cleanupTimeShifts = 4; [L151] int waterLevel = 1; [L152] int methaneLevelCritical = 0; [L255] int methAndRunningLastTime ; [L498] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L765] int pumpRunning = 0; [L766] int systemActive = 1; [L123] int retValue_acc ; [L124] int tmp ; [L320] int retValue_acc ; [L323] retValue_acc = 1 [L324] return (retValue_acc); [L130] tmp = valid_product() [L132] COND TRUE \read(tmp) [L260] methAndRunningLastTime = 0 [L697] int splverifierCounter ; [L698] int tmp ; [L699] int tmp___0 ; [L700] int tmp___1 ; [L701] int tmp___2 ; [L704] splverifierCounter = 0 VAL [cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L706] COND TRUE 1 VAL [cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L708] COND TRUE splverifierCounter < 4 [L714] tmp = __VERIFIER_nondet_int() [L716] COND TRUE \read(tmp) VAL [cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L718] CALL waterRise() VAL [\old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L169] COND TRUE waterLevel < 2 [L170] waterLevel = waterLevel + 1 [L718] RET waterRise() VAL [cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L724] tmp___0 = __VERIFIER_nondet_int() [L726] COND TRUE \read(tmp___0) VAL [cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L728] CALL changeMethaneLevel() VAL [\old(methaneLevelCritical)=0, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L181] COND FALSE !(\read(methaneLevelCritical)) [L184] methaneLevelCritical = 1 [L728] RET changeMethaneLevel() VAL [cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2] [L734] tmp___2 = __VERIFIER_nondet_int() [L736] COND FALSE !(\read(tmp___2)) [L742] tmp___1 = __VERIFIER_nondet_int() [L744] COND TRUE \read(tmp___1) VAL [cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2] [L751] CALL timeShift() VAL [\old(methAndRunningLastTime)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2] [L772] COND FALSE !(\read(pumpRunning)) VAL [\old(methAndRunningLastTime)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2] [L779] COND TRUE \read(systemActive) [L801] int tmp ; VAL [\old(methAndRunningLastTime)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2] [L804] COND TRUE ! pumpRunning [L898] int retValue_acc ; [L899] int tmp ; [L900] int tmp___0 ; [L231] int retValue_acc ; [L234] COND FALSE !(waterLevel < 2) [L238] retValue_acc = 0 [L239] return (retValue_acc); [L904] tmp = isHighWaterSensorDry() [L906] COND FALSE !(\read(tmp)) [L909] tmp___0 = 1 [L911] retValue_acc = tmp___0 [L912] return (retValue_acc); [L806] tmp = isHighWaterLevel() [L808] COND TRUE \read(tmp) [L829] pumpRunning = 1 VAL [\old(methAndRunningLastTime)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2] [L265] int tmp ; [L266] int tmp___0 ; VAL [\old(methAndRunningLastTime)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2] [L270] CALL, EXPR isMethaneLevelCritical() VAL [\old(methAndRunningLastTime)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2] [L190] int retValue_acc ; [L193] retValue_acc = methaneLevelCritical [L194] return (retValue_acc); [L270] RET, EXPR isMethaneLevelCritical() VAL [\old(methAndRunningLastTime)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2] [L270] tmp = isMethaneLevelCritical() [L272] COND TRUE \read(tmp) [L853] int retValue_acc ; [L856] retValue_acc = pumpRunning [L857] return (retValue_acc); [L274] tmp___0 = isPumpRunning() [L276] COND TRUE \read(tmp___0) VAL [\old(methAndRunningLastTime)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2] [L277] COND FALSE !(\read(methAndRunningLastTime)) [L282] methAndRunningLastTime = 1 VAL [\old(methAndRunningLastTime)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2] [L751] RET timeShift() VAL [cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2] [L706] COND TRUE 1 VAL [cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2] [L708] COND TRUE splverifierCounter < 4 [L714] tmp = __VERIFIER_nondet_int() [L716] COND FALSE !(\read(tmp)) VAL [cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2] [L724] tmp___0 = __VERIFIER_nondet_int() [L726] COND FALSE !(\read(tmp___0)) VAL [cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2] [L734] tmp___2 = __VERIFIER_nondet_int() [L736] COND TRUE \read(tmp___2) [L920] systemActive = 1 VAL [cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2] [L751] CALL timeShift() VAL [\old(methAndRunningLastTime)=1, \old(pumpRunning)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2] [L772] COND TRUE \read(pumpRunning) [L157] COND TRUE waterLevel > 0 [L158] waterLevel = waterLevel - 1 VAL [\old(methAndRunningLastTime)=1, \old(pumpRunning)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=1] [L779] COND TRUE \read(systemActive) [L801] int tmp ; VAL [\old(methAndRunningLastTime)=1, \old(pumpRunning)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=1] [L804] COND FALSE !(! pumpRunning) VAL [\old(methAndRunningLastTime)=1, \old(pumpRunning)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=1] [L819] FCALL processEnvironment__wrappee__base() VAL [\old(methAndRunningLastTime)=1, \old(pumpRunning)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=1] [L265] int tmp ; [L266] int tmp___0 ; VAL [\old(methAndRunningLastTime)=1, \old(pumpRunning)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=1] [L270] CALL, EXPR isMethaneLevelCritical() VAL [\old(methAndRunningLastTime)=1, \old(pumpRunning)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=1] [L190] int retValue_acc ; [L193] retValue_acc = methaneLevelCritical [L194] return (retValue_acc); [L270] RET, EXPR isMethaneLevelCritical() VAL [\old(methAndRunningLastTime)=1, \old(pumpRunning)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=1] [L270] tmp = isMethaneLevelCritical() [L272] COND TRUE \read(tmp) [L853] int retValue_acc ; [L856] retValue_acc = pumpRunning [L857] return (retValue_acc); [L274] tmp___0 = isPumpRunning() [L276] COND TRUE \read(tmp___0) VAL [\old(methAndRunningLastTime)=1, \old(pumpRunning)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=1] [L277] COND TRUE \read(methAndRunningLastTime) VAL [\old(methAndRunningLastTime)=1, \old(pumpRunning)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=1] [L249] __VERIFIER_error() VAL [\old(methAndRunningLastTime)=1, \old(pumpRunning)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=1] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17 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 279.77 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 64.5 MB). Free memory was 954.9 MB in the beginning and 1.0 GB in the end (delta: -92.8 MB). Peak memory consumption was 25.0 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 30.49 ms. Allocated memory is still 1.1 GB. Free memory is still 1.0 GB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 18.09 ms. Allocated memory is still 1.1 GB. Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 1.4 MB). Peak memory consumption was 1.4 MB. Max. memory is 11.5 GB. * RCFGBuilder took 418.47 ms. Allocated memory is still 1.1 GB. Free memory was 1.0 GB in the beginning and 977.7 MB in the end (delta: 68.6 MB). Peak memory consumption was 68.6 MB. Max. memory is 11.5 GB. * CodeCheck took 22689.88 ms. Allocated memory was 1.1 GB in the beginning and 1.6 GB in the end (delta: 499.1 MB). Free memory was 977.7 MB in the beginning and 957.9 MB in the end (delta: 19.8 MB). Peak memory consumption was 519.0 MB. Max. memory is 11.5 GB. * Witness Printer took 60.51 ms. Allocated memory is still 1.6 GB. Free memory was 957.9 MB in the beginning and 941.3 MB in the end (delta: 16.5 MB). Peak memory consumption was 16.5 MB. Max. memory is 11.5 GB. RESULT: Ultimate proved your program to be incorrect! Received shutdown request...