./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec1_product44_false-unreach-call_false-termination.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 635dfa2a Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_60f4c1be-698b-4fe4-a50e-e20d7849a013/bin-2019/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_60f4c1be-698b-4fe4-a50e-e20d7849a013/bin-2019/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_60f4c1be-698b-4fe4-a50e-e20d7849a013/bin-2019/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_60f4c1be-698b-4fe4-a50e-e20d7849a013/bin-2019/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec1_product44_false-unreach-call_false-termination.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_60f4c1be-698b-4fe4-a50e-e20d7849a013/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_60f4c1be-698b-4fe4-a50e-e20d7849a013/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 b18fc9f0044b48e81511337a91deb94a0dfeec26 ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE --- Real Ultimate output --- This is Ultimate 0.1.23-635dfa2 [2018-12-02 02:24:20,144 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-02 02:24:20,145 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-02 02:24:20,151 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-02 02:24:20,151 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-02 02:24:20,152 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-02 02:24:20,153 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-02 02:24:20,153 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-02 02:24:20,154 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-02 02:24:20,155 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-02 02:24:20,155 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-02 02:24:20,155 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-02 02:24:20,156 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-02 02:24:20,156 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-02 02:24:20,156 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-02 02:24:20,157 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-02 02:24:20,157 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-02 02:24:20,158 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-02 02:24:20,159 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-02 02:24:20,160 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-02 02:24:20,160 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-02 02:24:20,161 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-02 02:24:20,162 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-02 02:24:20,162 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-02 02:24:20,162 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-02 02:24:20,162 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-02 02:24:20,163 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-02 02:24:20,163 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-02 02:24:20,164 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-02 02:24:20,164 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-02 02:24:20,164 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-02 02:24:20,165 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-02 02:24:20,165 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-02 02:24:20,165 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-02 02:24:20,165 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-02 02:24:20,166 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-02 02:24:20,166 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_60f4c1be-698b-4fe4-a50e-e20d7849a013/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2018-12-02 02:24:20,173 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-02 02:24:20,173 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-02 02:24:20,174 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-02 02:24:20,174 INFO L133 SettingsManager]: * ... to procedures called more than once=ALWAYS [2018-12-02 02:24:20,174 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-12-02 02:24:20,174 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-12-02 02:24:20,174 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-02 02:24:20,174 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-02 02:24:20,174 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-02 02:24:20,174 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-02 02:24:20,175 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-02 02:24:20,175 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-02 02:24:20,175 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-02 02:24:20,175 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-02 02:24:20,175 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-02 02:24:20,175 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-02 02:24:20,175 INFO L133 SettingsManager]: * Use constant arrays=true [2018-12-02 02:24:20,175 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-02 02:24:20,175 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-12-02 02:24:20,175 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-12-02 02:24:20,175 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-02 02:24:20,175 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-02 02:24:20,175 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-12-02 02:24:20,176 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-02 02:24:20,176 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-02 02:24:20,176 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-02 02:24:20,176 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-12-02 02:24:20,176 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-02 02:24:20,176 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-12-02 02:24:20,176 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_60f4c1be-698b-4fe4-a50e-e20d7849a013/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 -> b18fc9f0044b48e81511337a91deb94a0dfeec26 [2018-12-02 02:24:20,194 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-02 02:24:20,203 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-02 02:24:20,205 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-02 02:24:20,206 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-02 02:24:20,207 INFO L276 PluginConnector]: CDTParser initialized [2018-12-02 02:24:20,207 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_60f4c1be-698b-4fe4-a50e-e20d7849a013/bin-2019/ukojak/../../sv-benchmarks/c/product-lines/minepump_spec1_product44_false-unreach-call_false-termination.cil.c [2018-12-02 02:24:20,253 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_60f4c1be-698b-4fe4-a50e-e20d7849a013/bin-2019/ukojak/data/61953108b/86194bc0a7bd4e408b4458df5ed73a99/FLAGd74bb154a [2018-12-02 02:24:20,659 INFO L307 CDTParser]: Found 1 translation units. [2018-12-02 02:24:20,660 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_60f4c1be-698b-4fe4-a50e-e20d7849a013/sv-benchmarks/c/product-lines/minepump_spec1_product44_false-unreach-call_false-termination.cil.c [2018-12-02 02:24:20,669 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_60f4c1be-698b-4fe4-a50e-e20d7849a013/bin-2019/ukojak/data/61953108b/86194bc0a7bd4e408b4458df5ed73a99/FLAGd74bb154a [2018-12-02 02:24:21,036 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_60f4c1be-698b-4fe4-a50e-e20d7849a013/bin-2019/ukojak/data/61953108b/86194bc0a7bd4e408b4458df5ed73a99 [2018-12-02 02:24:21,041 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-02 02:24:21,042 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-02 02:24:21,042 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-02 02:24:21,043 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-02 02:24:21,045 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-02 02:24:21,045 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 02:24:21" (1/1) ... [2018-12-02 02:24:21,047 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@67523692 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:24:21, skipping insertion in model container [2018-12-02 02:24:21,047 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 02:24:21" (1/1) ... [2018-12-02 02:24:21,051 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-02 02:24:21,077 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-02 02:24:21,236 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-02 02:24:21,277 INFO L191 MainTranslator]: Completed pre-run [2018-12-02 02:24:21,315 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-02 02:24:21,329 INFO L195 MainTranslator]: Completed translation [2018-12-02 02:24:21,330 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:24:21 WrapperNode [2018-12-02 02:24:21,330 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-02 02:24:21,330 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-02 02:24:21,330 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-02 02:24:21,330 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-02 02:24:21,335 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:24:21" (1/1) ... [2018-12-02 02:24:21,344 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:24:21" (1/1) ... [2018-12-02 02:24:21,360 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-02 02:24:21,360 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-02 02:24:21,360 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-02 02:24:21,360 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-02 02:24:21,366 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:24:21" (1/1) ... [2018-12-02 02:24:21,366 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:24:21" (1/1) ... [2018-12-02 02:24:21,367 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:24:21" (1/1) ... [2018-12-02 02:24:21,368 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:24:21" (1/1) ... [2018-12-02 02:24:21,371 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:24:21" (1/1) ... [2018-12-02 02:24:21,374 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:24:21" (1/1) ... [2018-12-02 02:24:21,375 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:24:21" (1/1) ... [2018-12-02 02:24:21,377 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-02 02:24:21,377 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-02 02:24:21,377 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-02 02:24:21,377 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-02 02:24:21,378 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:24:21" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_60f4c1be-698b-4fe4-a50e-e20d7849a013/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 [2018-12-02 02:24:21,409 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-12-02 02:24:21,409 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2018-12-02 02:24:21,409 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2018-12-02 02:24:21,409 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2018-12-02 02:24:21,409 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2018-12-02 02:24:21,409 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2018-12-02 02:24:21,409 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2018-12-02 02:24:21,409 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2018-12-02 02:24:21,409 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2018-12-02 02:24:21,409 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2018-12-02 02:24:21,410 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2018-12-02 02:24:21,410 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2018-12-02 02:24:21,410 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2018-12-02 02:24:21,410 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2018-12-02 02:24:21,410 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-02 02:24:21,410 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-02 02:24:21,842 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-02 02:24:21,843 INFO L280 CfgBuilder]: Removed 44 assue(true) statements. [2018-12-02 02:24:21,843 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 02:24:21 BoogieIcfgContainer [2018-12-02 02:24:21,843 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-02 02:24:21,843 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-12-02 02:24:21,843 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-12-02 02:24:21,849 INFO L276 PluginConnector]: CodeCheck initialized [2018-12-02 02:24:21,850 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 02:24:21" (1/1) ... [2018-12-02 02:24:21,856 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 02:24:21,872 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 02:24:21,878 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 48 states and 63 transitions. [2018-12-02 02:24:21,878 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 63 transitions. [2018-12-02 02:24:21,882 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-12-02 02:24:21,882 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 02:24:21,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 02:24:22,017 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 02:24:22,024 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 02:24:22,025 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 48 states and 61 transitions. [2018-12-02 02:24:22,025 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 61 transitions. [2018-12-02 02:24:22,025 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2018-12-02 02:24:22,025 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 02:24:22,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 02:24:22,066 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 02:24:22,078 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 02:24:22,079 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 50 states and 64 transitions. [2018-12-02 02:24:22,079 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 64 transitions. [2018-12-02 02:24:22,080 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2018-12-02 02:24:22,080 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 02:24:22,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 02:24:22,139 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 02:24:22,244 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 02:24:22,244 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90 states to 63 states and 90 transitions. [2018-12-02 02:24:22,244 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 90 transitions. [2018-12-02 02:24:22,245 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2018-12-02 02:24:22,245 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 02:24:22,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 02:24:22,319 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 02:24:22,549 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 02:24:22,550 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 112 states to 73 states and 112 transitions. [2018-12-02 02:24:22,550 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 112 transitions. [2018-12-02 02:24:22,551 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2018-12-02 02:24:22,551 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 02:24:22,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 02:24:22,586 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 02:24:22,594 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 02:24:22,596 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 113 states to 74 states and 113 transitions. [2018-12-02 02:24:22,596 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 113 transitions. [2018-12-02 02:24:22,597 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2018-12-02 02:24:22,597 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 02:24:22,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 02:24:22,822 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 02:24:23,349 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 02:24:23,350 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 145 states to 89 states and 143 transitions. [2018-12-02 02:24:23,351 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 143 transitions. [2018-12-02 02:24:23,353 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2018-12-02 02:24:23,353 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 02:24:23,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 02:24:23,392 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 02:24:23,401 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 02:24:23,402 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 146 states to 89 states and 142 transitions. [2018-12-02 02:24:23,402 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 142 transitions. [2018-12-02 02:24:23,403 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2018-12-02 02:24:23,403 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 02:24:23,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 02:24:23,456 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 02:24:23,470 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 02:24:23,471 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 147 states to 90 states and 143 transitions. [2018-12-02 02:24:23,471 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 143 transitions. [2018-12-02 02:24:23,473 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2018-12-02 02:24:23,473 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 02:24:23,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 02:24:23,506 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 02:24:23,585 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 02:24:23,586 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 150 states to 91 states and 146 transitions. [2018-12-02 02:24:23,586 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 146 transitions. [2018-12-02 02:24:23,587 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2018-12-02 02:24:23,587 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 02:24:23,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 02:24:23,611 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-12-02 02:24:23,653 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 02:24:23,654 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 155 states to 95 states and 151 transitions. [2018-12-02 02:24:23,654 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 151 transitions. [2018-12-02 02:24:23,654 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2018-12-02 02:24:23,654 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 02:24:23,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 02:24:23,683 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 02:24:23,775 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 02:24:23,776 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 162 states to 98 states and 158 transitions. [2018-12-02 02:24:23,776 INFO L276 IsEmpty]: Start isEmpty. Operand 98 states and 158 transitions. [2018-12-02 02:24:23,776 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2018-12-02 02:24:23,777 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 02:24:23,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 02:24:23,795 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 02:24:23,804 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 02:24:23,805 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 163 states to 99 states and 159 transitions. [2018-12-02 02:24:23,805 INFO L276 IsEmpty]: Start isEmpty. Operand 99 states and 159 transitions. [2018-12-02 02:24:23,805 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2018-12-02 02:24:23,805 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 02:24:23,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 02:24:23,900 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-12-02 02:24:24,459 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 02:24:24,459 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 190 states to 111 states and 186 transitions. [2018-12-02 02:24:24,460 INFO L276 IsEmpty]: Start isEmpty. Operand 111 states and 186 transitions. [2018-12-02 02:24:24,460 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2018-12-02 02:24:24,460 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 02:24:24,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 02:24:24,573 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-12-02 02:24:25,018 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 02:24:25,019 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 205 states to 118 states and 201 transitions. [2018-12-02 02:24:25,019 INFO L276 IsEmpty]: Start isEmpty. Operand 118 states and 201 transitions. [2018-12-02 02:24:25,020 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2018-12-02 02:24:25,020 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 02:24:25,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 02:24:25,077 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-12-02 02:24:25,466 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 02:24:25,466 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 223 states to 124 states and 218 transitions. [2018-12-02 02:24:25,467 INFO L276 IsEmpty]: Start isEmpty. Operand 124 states and 218 transitions. [2018-12-02 02:24:25,467 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2018-12-02 02:24:25,467 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 02:24:25,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 02:24:25,483 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-12-02 02:24:25,716 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 02:24:25,717 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 229 states to 127 states and 224 transitions. [2018-12-02 02:24:25,717 INFO L276 IsEmpty]: Start isEmpty. Operand 127 states and 224 transitions. [2018-12-02 02:24:25,718 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2018-12-02 02:24:25,718 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 02:24:25,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 02:24:25,730 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-12-02 02:24:25,960 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 02:24:25,961 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 236 states to 130 states and 231 transitions. [2018-12-02 02:24:25,961 INFO L276 IsEmpty]: Start isEmpty. Operand 130 states and 231 transitions. [2018-12-02 02:24:25,961 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2018-12-02 02:24:25,962 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 02:24:25,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 02:24:25,974 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-12-02 02:24:26,090 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 02:24:26,091 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 237 states to 132 states and 232 transitions. [2018-12-02 02:24:26,091 INFO L276 IsEmpty]: Start isEmpty. Operand 132 states and 232 transitions. [2018-12-02 02:24:26,092 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2018-12-02 02:24:26,092 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 02:24:26,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 02:24:26,102 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-12-02 02:24:26,322 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 02:24:26,323 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 244 states to 135 states and 239 transitions. [2018-12-02 02:24:26,323 INFO L276 IsEmpty]: Start isEmpty. Operand 135 states and 239 transitions. [2018-12-02 02:24:26,323 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2018-12-02 02:24:26,323 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 02:24:26,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 02:24:26,336 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-12-02 02:24:26,362 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 02:24:26,362 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 246 states to 137 states and 241 transitions. [2018-12-02 02:24:26,362 INFO L276 IsEmpty]: Start isEmpty. Operand 137 states and 241 transitions. [2018-12-02 02:24:26,363 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2018-12-02 02:24:26,363 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 02:24:26,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 02:24:26,530 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 1 proven. 13 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-12-02 02:24:27,993 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 02:24:27,995 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 291 states to 147 states and 282 transitions. [2018-12-02 02:24:27,996 INFO L276 IsEmpty]: Start isEmpty. Operand 147 states and 282 transitions. [2018-12-02 02:24:27,998 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2018-12-02 02:24:27,999 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 02:24:28,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 02:24:28,082 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 1 proven. 13 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-12-02 02:24:28,228 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 02:24:28,228 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 295 states to 149 states and 286 transitions. [2018-12-02 02:24:28,229 INFO L276 IsEmpty]: Start isEmpty. Operand 149 states and 286 transitions. [2018-12-02 02:24:28,229 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2018-12-02 02:24:28,230 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 02:24:28,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 02:24:28,449 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 4 proven. 11 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-12-02 02:24:29,867 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 02:24:29,868 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 325 states to 157 states and 310 transitions. [2018-12-02 02:24:29,868 INFO L276 IsEmpty]: Start isEmpty. Operand 157 states and 310 transitions. [2018-12-02 02:24:29,869 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2018-12-02 02:24:29,869 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 02:24:29,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 02:24:29,920 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 4 proven. 11 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-12-02 02:24:30,452 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 02:24:30,452 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 338 states to 162 states and 323 transitions. [2018-12-02 02:24:30,453 INFO L276 IsEmpty]: Start isEmpty. Operand 162 states and 323 transitions. [2018-12-02 02:24:30,454 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2018-12-02 02:24:30,454 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 02:24:30,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 02:24:30,570 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 13 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-12-02 02:24:31,054 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 02:24:31,055 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 320 states to 157 states and 305 transitions. [2018-12-02 02:24:31,055 INFO L276 IsEmpty]: Start isEmpty. Operand 157 states and 305 transitions. [2018-12-02 02:24:31,056 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2018-12-02 02:24:31,056 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 02:24:31,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 02:24:31,111 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 4 proven. 11 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-12-02 02:24:31,137 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 02:24:31,138 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 321 states to 155 states and 301 transitions. [2018-12-02 02:24:31,138 INFO L276 IsEmpty]: Start isEmpty. Operand 155 states and 301 transitions. [2018-12-02 02:24:31,138 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2018-12-02 02:24:31,139 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 02:24:31,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 02:24:31,278 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 9 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-12-02 02:24:32,132 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 02:24:32,133 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 337 states to 162 states and 317 transitions. [2018-12-02 02:24:32,133 INFO L276 IsEmpty]: Start isEmpty. Operand 162 states and 317 transitions. [2018-12-02 02:24:32,134 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2018-12-02 02:24:32,134 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 02:24:32,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 02:24:32,400 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2018-12-02 02:24:35,042 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 02:24:35,042 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 373 states to 170 states and 341 transitions. [2018-12-02 02:24:35,042 INFO L276 IsEmpty]: Start isEmpty. Operand 170 states and 341 transitions. [2018-12-02 02:24:35,043 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2018-12-02 02:24:35,044 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 02:24:35,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 02:24:35,396 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 2 proven. 13 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-12-02 02:24:37,411 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 02:24:37,412 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 411 states to 183 states and 363 transitions. [2018-12-02 02:24:37,412 INFO L276 IsEmpty]: Start isEmpty. Operand 183 states and 363 transitions. [2018-12-02 02:24:37,413 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2018-12-02 02:24:37,413 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 02:24:37,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 02:24:37,450 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 2 proven. 13 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-12-02 02:24:37,672 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 02:24:37,672 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 413 states to 185 states and 364 transitions. [2018-12-02 02:24:37,672 INFO L276 IsEmpty]: Start isEmpty. Operand 185 states and 364 transitions. [2018-12-02 02:24:37,673 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2018-12-02 02:24:37,673 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 02:24:37,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 02:24:37,708 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 2 proven. 14 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2018-12-02 02:24:37,726 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 02:24:37,727 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 414 states to 186 states and 365 transitions. [2018-12-02 02:24:37,727 INFO L276 IsEmpty]: Start isEmpty. Operand 186 states and 365 transitions. [2018-12-02 02:24:37,728 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2018-12-02 02:24:37,728 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 02:24:37,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 02:24:37,748 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 8 proven. 6 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2018-12-02 02:24:38,026 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 02:24:38,026 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 424 states to 191 states and 374 transitions. [2018-12-02 02:24:38,026 INFO L276 IsEmpty]: Start isEmpty. Operand 191 states and 374 transitions. [2018-12-02 02:24:38,027 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2018-12-02 02:24:38,027 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 02:24:38,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 02:24:38,052 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 8 proven. 6 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2018-12-02 02:24:38,284 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 02:24:38,285 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 427 states to 193 states and 376 transitions. [2018-12-02 02:24:38,285 INFO L276 IsEmpty]: Start isEmpty. Operand 193 states and 376 transitions. [2018-12-02 02:24:38,285 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2018-12-02 02:24:38,285 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 02:24:38,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 02:24:38,312 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 8 proven. 6 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2018-12-02 02:24:38,382 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 02:24:38,383 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 428 states to 194 states and 377 transitions. [2018-12-02 02:24:38,383 INFO L276 IsEmpty]: Start isEmpty. Operand 194 states and 377 transitions. [2018-12-02 02:24:38,383 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2018-12-02 02:24:38,383 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 02:24:38,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 02:24:38,478 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 16 proven. 3 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-12-02 02:24:38,598 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 02:24:38,599 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 428 states to 194 states and 377 transitions. [2018-12-02 02:24:38,599 INFO L276 IsEmpty]: Start isEmpty. Operand 194 states and 377 transitions. [2018-12-02 02:24:38,600 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2018-12-02 02:24:38,600 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 02:24:38,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 02:24:38,628 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 16 proven. 3 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-12-02 02:24:38,637 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 02:24:38,638 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 428 states to 194 states and 377 transitions. [2018-12-02 02:24:38,638 INFO L276 IsEmpty]: Start isEmpty. Operand 194 states and 377 transitions. [2018-12-02 02:24:38,638 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2018-12-02 02:24:38,638 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 02:24:38,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 02:24:38,658 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 16 proven. 3 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-12-02 02:24:38,666 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 02:24:38,667 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 428 states to 194 states and 377 transitions. [2018-12-02 02:24:38,667 INFO L276 IsEmpty]: Start isEmpty. Operand 194 states and 377 transitions. [2018-12-02 02:24:38,668 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2018-12-02 02:24:38,668 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 02:24:38,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-02 02:24:38,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-02 02:24:38,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-02 02:24:38,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-02 02:24:38,829 WARN L497 CodeCheckObserver]: This program is UNSAFE, Check terminated with 38 iterations. [2018-12-02 02:24:38,915 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 02.12 02:24:38 ImpRootNode [2018-12-02 02:24:38,915 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2018-12-02 02:24:38,916 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-02 02:24:38,916 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-02 02:24:38,916 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-02 02:24:38,916 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 02:24:21" (3/4) ... [2018-12-02 02:24:38,918 INFO L138 WitnessPrinter]: Generating witness for reachability counterexample [2018-12-02 02:24:38,996 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_60f4c1be-698b-4fe4-a50e-e20d7849a013/bin-2019/ukojak/witness.graphml [2018-12-02 02:24:38,996 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-02 02:24:38,997 INFO L168 Benchmark]: Toolchain (without parser) took 17955.53 ms. Allocated memory was 1.0 GB in the beginning and 1.5 GB in the end (delta: 421.0 MB). Free memory was 950.6 MB in the beginning and 1.2 GB in the end (delta: -230.3 MB). Peak memory consumption was 190.7 MB. Max. memory is 11.5 GB. [2018-12-02 02:24:38,998 INFO L168 Benchmark]: CDTParser took 0.14 ms. Allocated memory is still 1.0 GB. Free memory is still 979.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-02 02:24:38,998 INFO L168 Benchmark]: CACSL2BoogieTranslator took 287.38 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 87.0 MB). Free memory was 950.6 MB in the beginning and 1.1 GB in the end (delta: -120.5 MB). Peak memory consumption was 27.3 MB. Max. memory is 11.5 GB. [2018-12-02 02:24:38,998 INFO L168 Benchmark]: Boogie Procedure Inliner took 29.87 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. [2018-12-02 02:24:38,998 INFO L168 Benchmark]: Boogie Preprocessor took 16.88 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-02 02:24:38,998 INFO L168 Benchmark]: RCFGBuilder took 465.89 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 68.2 MB). Peak memory consumption was 68.2 MB. Max. memory is 11.5 GB. [2018-12-02 02:24:38,998 INFO L168 Benchmark]: CodeCheck took 17072.13 ms. Allocated memory was 1.1 GB in the beginning and 1.5 GB in the end (delta: 334.0 MB). Free memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: -205.2 MB). Peak memory consumption was 128.8 MB. Max. memory is 11.5 GB. [2018-12-02 02:24:38,999 INFO L168 Benchmark]: Witness Printer took 80.78 ms. Allocated memory is still 1.5 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 24.5 MB). Peak memory consumption was 24.5 MB. Max. memory is 11.5 GB. [2018-12-02 02:24:39,000 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, 72 locations, 1 error locations. UNSAFE Result, 16.9s OverallTime, 38 OverallIterations, 0 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: -811855584 SDtfs, 1786803488 SDslu, 1603279648 SDs, 0 SdLazy, -1149135008 SolverSat, -1418626784 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 17.6s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 15652 GetRequests, 15000 SyntacticMatches, 295 SemanticMatches, 357 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 73555 ImplicationChecksByTransitivity, 14.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 2.4s InterpolantComputationTime, 1386 NumberOfCodeBlocks, 1386 NumberOfCodeBlocksAsserted, 38 NumberOfCheckSat, 1297 ConstructedInterpolants, 0 QuantifiedInterpolants, 160510 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 37 InterpolantComputations, 20 PerfectInterpolantSequences, 262/394 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: 44]: a call of __VERIFIER_error() is reachable a call of __VERIFIER_error() is reachable We found a FailurePath: [L218] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L498] int pumpRunning = 0; [L499] int systemActive = 1; [L693] int waterLevel = 1; [L694] int methaneLevelCritical = 0; [L851] int cleanupTimeShifts = 4; [L924] int retValue_acc ; [L925] int tmp ; [L842] int retValue_acc ; [L845] retValue_acc = 1 [L846] return (retValue_acc); [L931] tmp = valid_product() [L933] COND TRUE \read(tmp) [L422] int splverifierCounter ; [L423] int tmp ; [L424] int tmp___0 ; [L425] int tmp___1 ; [L426] int tmp___2 ; [L429] splverifierCounter = 0 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L431] COND TRUE 1 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L433] COND TRUE splverifierCounter < 4 [L439] tmp = __VERIFIER_nondet_int() [L441] COND TRUE \read(tmp) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L443] CALL waterRise() VAL [\old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L711] COND TRUE waterLevel < 2 [L712] waterLevel = waterLevel + 1 [L443] RET waterRise() VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L449] tmp___0 = __VERIFIER_nondet_int() [L451] COND FALSE !(\read(tmp___0)) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L459] tmp___2 = __VERIFIER_nondet_int() [L461] COND FALSE !(\read(tmp___2)) [L467] tmp___1 = __VERIFIER_nondet_int() [L469] COND FALSE !(\read(tmp___1)) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L478] CALL timeShift() VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L506] COND FALSE !(\read(pumpRunning)) VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L513] COND TRUE \read(systemActive) [L535] int tmp ; VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L538] COND TRUE ! pumpRunning [L650] int retValue_acc ; [L651] int tmp ; [L652] int tmp___0 ; [L773] int retValue_acc ; [L776] COND FALSE !(waterLevel < 2) [L780] retValue_acc = 0 [L781] return (retValue_acc); [L656] tmp = isHighWaterSensorDry() [L658] COND FALSE !(\read(tmp)) [L661] tmp___0 = 1 [L663] retValue_acc = tmp___0 [L664] return (retValue_acc); [L540] tmp = isHighWaterLevel() [L542] COND TRUE \read(tmp) [L569] int tmp ; [L594] int retValue_acc ; VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L598] CALL, EXPR isMethaneLevelCritical() VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L732] int retValue_acc ; [L735] retValue_acc = methaneLevelCritical [L736] return (retValue_acc); [L598] RET, EXPR isMethaneLevelCritical() VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L598] retValue_acc = isMethaneLevelCritical() [L600] return (retValue_acc); [L573] tmp = isMethaneAlarm() [L575] COND FALSE !(\read(tmp)) [L563] pumpRunning = 1 VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=2] [L788] int tmp ; [L789] int tmp___0 ; VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=2] [L793] CALL, EXPR isMethaneLevelCritical() VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=2] [L732] int retValue_acc ; [L735] retValue_acc = methaneLevelCritical [L736] return (retValue_acc); [L793] RET, EXPR isMethaneLevelCritical() VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=2] [L793] tmp = isMethaneLevelCritical() [L795] COND FALSE !(\read(tmp)) VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=2] [L478] RET timeShift() VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=2] [L431] COND TRUE 1 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=2] [L433] COND TRUE splverifierCounter < 4 [L439] tmp = __VERIFIER_nondet_int() [L441] COND FALSE !(\read(tmp)) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=2] [L449] tmp___0 = __VERIFIER_nondet_int() [L451] COND TRUE \read(tmp___0) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=2] [L453] CALL changeMethaneLevel() VAL [\old(methaneLevelCritical)=0, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=2] [L723] COND FALSE !(\read(methaneLevelCritical)) [L726] methaneLevelCritical = 1 [L453] RET changeMethaneLevel() VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2] [L459] tmp___2 = __VERIFIER_nondet_int() [L461] COND TRUE \read(tmp___2) [L687] systemActive = 1 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2] [L478] CALL timeShift() VAL [\old(pumpRunning)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2] [L506] COND TRUE \read(pumpRunning) [L699] COND TRUE waterLevel > 0 [L700] waterLevel = waterLevel - 1 VAL [\old(pumpRunning)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=1] [L513] COND TRUE \read(systemActive) [L535] int tmp ; VAL [\old(pumpRunning)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=1] [L538] COND FALSE !(! pumpRunning) VAL [\old(pumpRunning)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=1] [L553] FCALL processEnvironment__wrappee__base() VAL [\old(pumpRunning)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=1] [L788] int tmp ; [L789] int tmp___0 ; VAL [\old(pumpRunning)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=1] [L793] CALL, EXPR isMethaneLevelCritical() VAL [\old(pumpRunning)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=1] [L732] int retValue_acc ; [L735] retValue_acc = methaneLevelCritical [L736] return (retValue_acc); [L793] RET, EXPR isMethaneLevelCritical() VAL [\old(pumpRunning)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=1] [L793] tmp = isMethaneLevelCritical() [L795] COND TRUE \read(tmp) [L605] int retValue_acc ; [L608] retValue_acc = pumpRunning [L609] return (retValue_acc); [L797] tmp___0 = isPumpRunning() [L799] COND TRUE \read(tmp___0) VAL [\old(pumpRunning)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=1] [L44] __VERIFIER_error() VAL [\old(pumpRunning)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=1] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14 ms. Allocated memory is still 1.0 GB. Free memory is still 979.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 287.38 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 87.0 MB). Free memory was 950.6 MB in the beginning and 1.1 GB in the end (delta: -120.5 MB). Peak memory consumption was 27.3 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 29.87 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 16.88 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 465.89 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 68.2 MB). Peak memory consumption was 68.2 MB. Max. memory is 11.5 GB. * CodeCheck took 17072.13 ms. Allocated memory was 1.1 GB in the beginning and 1.5 GB in the end (delta: 334.0 MB). Free memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: -205.2 MB). Peak memory consumption was 128.8 MB. Max. memory is 11.5 GB. * Witness Printer took 80.78 ms. Allocated memory is still 1.5 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 24.5 MB). Peak memory consumption was 24.5 MB. Max. memory is 11.5 GB. RESULT: Ultimate proved your program to be incorrect! Received shutdown request...