./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec4_product30_true-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_6812e5ed-c734-4e4f-bedd-69fee97b607f/bin-2019/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_6812e5ed-c734-4e4f-bedd-69fee97b607f/bin-2019/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_6812e5ed-c734-4e4f-bedd-69fee97b607f/bin-2019/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_6812e5ed-c734-4e4f-bedd-69fee97b607f/bin-2019/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec4_product30_true-unreach-call_false-termination.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_6812e5ed-c734-4e4f-bedd-69fee97b607f/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_6812e5ed-c734-4e4f-bedd-69fee97b607f/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 bd2e3a23ca3a9dd9f2f02315ad4615e39e48f52f ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-635dfa2 [2018-12-02 03:27:09,403 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-02 03:27:09,404 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-02 03:27:09,410 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-02 03:27:09,410 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-02 03:27:09,411 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-02 03:27:09,411 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-02 03:27:09,412 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-02 03:27:09,413 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-02 03:27:09,413 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-02 03:27:09,413 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-02 03:27:09,413 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-02 03:27:09,414 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-02 03:27:09,414 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-02 03:27:09,415 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-02 03:27:09,415 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-02 03:27:09,416 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-02 03:27:09,416 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-02 03:27:09,417 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-02 03:27:09,418 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-02 03:27:09,418 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-02 03:27:09,419 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-02 03:27:09,420 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-02 03:27:09,420 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-02 03:27:09,420 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-02 03:27:09,421 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-02 03:27:09,421 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-02 03:27:09,421 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-02 03:27:09,422 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-02 03:27:09,422 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-02 03:27:09,422 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-02 03:27:09,423 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-02 03:27:09,423 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-02 03:27:09,423 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-02 03:27:09,423 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-02 03:27:09,424 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-02 03:27:09,424 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_6812e5ed-c734-4e4f-bedd-69fee97b607f/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2018-12-02 03:27:09,431 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-02 03:27:09,431 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-02 03:27:09,432 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-02 03:27:09,432 INFO L133 SettingsManager]: * ... to procedures called more than once=ALWAYS [2018-12-02 03:27:09,432 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-12-02 03:27:09,432 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-12-02 03:27:09,432 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-02 03:27:09,432 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-02 03:27:09,433 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-02 03:27:09,433 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-02 03:27:09,433 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-02 03:27:09,433 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-02 03:27:09,433 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-02 03:27:09,433 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-02 03:27:09,433 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-02 03:27:09,433 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-02 03:27:09,433 INFO L133 SettingsManager]: * Use constant arrays=true [2018-12-02 03:27:09,433 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-02 03:27:09,433 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-12-02 03:27:09,433 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-12-02 03:27:09,434 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-02 03:27:09,434 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-02 03:27:09,434 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-12-02 03:27:09,434 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-02 03:27:09,434 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-02 03:27:09,434 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-02 03:27:09,434 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-12-02 03:27:09,434 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-02 03:27:09,434 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-12-02 03:27:09,434 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_6812e5ed-c734-4e4f-bedd-69fee97b607f/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 -> bd2e3a23ca3a9dd9f2f02315ad4615e39e48f52f [2018-12-02 03:27:09,452 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-02 03:27:09,459 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-02 03:27:09,462 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-02 03:27:09,462 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-02 03:27:09,463 INFO L276 PluginConnector]: CDTParser initialized [2018-12-02 03:27:09,463 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_6812e5ed-c734-4e4f-bedd-69fee97b607f/bin-2019/ukojak/../../sv-benchmarks/c/product-lines/minepump_spec4_product30_true-unreach-call_false-termination.cil.c [2018-12-02 03:27:09,498 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_6812e5ed-c734-4e4f-bedd-69fee97b607f/bin-2019/ukojak/data/46f815cad/300825a9ef924fb389715c86e99ee1ca/FLAG30f0287a8 [2018-12-02 03:27:09,905 INFO L307 CDTParser]: Found 1 translation units. [2018-12-02 03:27:09,905 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_6812e5ed-c734-4e4f-bedd-69fee97b607f/sv-benchmarks/c/product-lines/minepump_spec4_product30_true-unreach-call_false-termination.cil.c [2018-12-02 03:27:09,911 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_6812e5ed-c734-4e4f-bedd-69fee97b607f/bin-2019/ukojak/data/46f815cad/300825a9ef924fb389715c86e99ee1ca/FLAG30f0287a8 [2018-12-02 03:27:09,919 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_6812e5ed-c734-4e4f-bedd-69fee97b607f/bin-2019/ukojak/data/46f815cad/300825a9ef924fb389715c86e99ee1ca [2018-12-02 03:27:09,921 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-02 03:27:09,922 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-02 03:27:09,922 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-02 03:27:09,922 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-02 03:27:09,924 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-02 03:27:09,925 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 03:27:09" (1/1) ... [2018-12-02 03:27:09,926 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2648fef5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:27:09, skipping insertion in model container [2018-12-02 03:27:09,926 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 03:27:09" (1/1) ... [2018-12-02 03:27:09,931 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-02 03:27:09,952 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-02 03:27:10,137 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-02 03:27:10,184 INFO L191 MainTranslator]: Completed pre-run [2018-12-02 03:27:10,239 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-02 03:27:10,257 INFO L195 MainTranslator]: Completed translation [2018-12-02 03:27:10,258 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:27:10 WrapperNode [2018-12-02 03:27:10,258 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-02 03:27:10,258 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-02 03:27:10,258 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-02 03:27:10,258 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-02 03:27:10,263 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:27:10" (1/1) ... [2018-12-02 03:27:10,275 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:27:10" (1/1) ... [2018-12-02 03:27:10,297 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-02 03:27:10,298 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-02 03:27:10,298 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-02 03:27:10,298 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-02 03:27:10,304 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:27:10" (1/1) ... [2018-12-02 03:27:10,304 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:27:10" (1/1) ... [2018-12-02 03:27:10,306 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:27:10" (1/1) ... [2018-12-02 03:27:10,307 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:27:10" (1/1) ... [2018-12-02 03:27:10,312 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:27:10" (1/1) ... [2018-12-02 03:27:10,316 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:27:10" (1/1) ... [2018-12-02 03:27:10,318 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:27:10" (1/1) ... [2018-12-02 03:27:10,320 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-02 03:27:10,321 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-02 03:27:10,321 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-02 03:27:10,321 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-02 03:27:10,322 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:27:10" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_6812e5ed-c734-4e4f-bedd-69fee97b607f/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 03:27:10,356 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-12-02 03:27:10,356 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2018-12-02 03:27:10,356 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2018-12-02 03:27:10,356 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2018-12-02 03:27:10,356 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2018-12-02 03:27:10,356 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2018-12-02 03:27:10,356 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2018-12-02 03:27:10,356 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2018-12-02 03:27:10,356 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2018-12-02 03:27:10,356 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__methaneQuery [2018-12-02 03:27:10,356 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__methaneQuery [2018-12-02 03:27:10,356 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2018-12-02 03:27:10,356 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2018-12-02 03:27:10,357 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2018-12-02 03:27:10,357 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2018-12-02 03:27:10,357 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2018-12-02 03:27:10,357 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2018-12-02 03:27:10,357 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2018-12-02 03:27:10,357 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-02 03:27:10,357 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-02 03:27:10,766 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-02 03:27:10,766 INFO L280 CfgBuilder]: Removed 38 assue(true) statements. [2018-12-02 03:27:10,766 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 03:27:10 BoogieIcfgContainer [2018-12-02 03:27:10,767 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-02 03:27:10,767 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-12-02 03:27:10,767 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-12-02 03:27:10,774 INFO L276 PluginConnector]: CodeCheck initialized [2018-12-02 03:27:10,775 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 03:27:10" (1/1) ... [2018-12-02 03:27:10,781 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 03:27:10,797 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 03:27:10,803 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 57 states and 75 transitions. [2018-12-02 03:27:10,803 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 75 transitions. [2018-12-02 03:27:10,807 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2018-12-02 03:27:10,807 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 03:27:10,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 03:27:10,914 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 03:27:10,920 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 03:27:10,920 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 57 states and 73 transitions. [2018-12-02 03:27:10,920 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 73 transitions. [2018-12-02 03:27:10,921 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-12-02 03:27:10,921 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 03:27:10,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 03:27:10,967 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 03:27:10,984 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 03:27:10,985 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 59 states and 76 transitions. [2018-12-02 03:27:10,985 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 76 transitions. [2018-12-02 03:27:10,985 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2018-12-02 03:27:10,985 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 03:27:11,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 03:27:11,041 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 03:27:11,123 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 03:27:11,124 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 93 states to 68 states and 93 transitions. [2018-12-02 03:27:11,125 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 93 transitions. [2018-12-02 03:27:11,125 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-12-02 03:27:11,125 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 03:27:11,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 03:27:11,166 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 03:27:11,421 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 03:27:11,422 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 123 states to 81 states and 123 transitions. [2018-12-02 03:27:11,422 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 123 transitions. [2018-12-02 03:27:11,423 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-12-02 03:27:11,423 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 03:27:11,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 03:27:11,445 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 03:27:11,455 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 03:27:11,456 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 128 states to 84 states and 128 transitions. [2018-12-02 03:27:11,457 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 128 transitions. [2018-12-02 03:27:11,458 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2018-12-02 03:27:11,459 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 03:27:11,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 03:27:11,569 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 03:27:12,083 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 03:27:12,084 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 160 states to 97 states and 160 transitions. [2018-12-02 03:27:12,085 INFO L276 IsEmpty]: Start isEmpty. Operand 97 states and 160 transitions. [2018-12-02 03:27:12,085 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2018-12-02 03:27:12,086 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 03:27:12,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 03:27:12,140 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 03:27:12,288 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 03:27:12,289 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 182 states to 103 states and 178 transitions. [2018-12-02 03:27:12,289 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states and 178 transitions. [2018-12-02 03:27:12,291 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2018-12-02 03:27:12,291 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 03:27:12,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 03:27:12,311 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 03:27:12,365 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 03:27:12,366 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 183 states to 105 states and 179 transitions. [2018-12-02 03:27:12,366 INFO L276 IsEmpty]: Start isEmpty. Operand 105 states and 179 transitions. [2018-12-02 03:27:12,367 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2018-12-02 03:27:12,367 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 03:27:12,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 03:27:12,430 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 03:27:12,543 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 03:27:12,544 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 191 states to 107 states and 184 transitions. [2018-12-02 03:27:12,544 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 184 transitions. [2018-12-02 03:27:12,545 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2018-12-02 03:27:12,545 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 03:27:12,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 03:27:12,581 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 03:27:12,588 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 03:27:12,589 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 192 states to 105 states and 178 transitions. [2018-12-02 03:27:12,589 INFO L276 IsEmpty]: Start isEmpty. Operand 105 states and 178 transitions. [2018-12-02 03:27:12,590 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2018-12-02 03:27:12,590 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 03:27:12,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 03:27:12,605 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 03:27:12,624 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 03:27:12,625 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 192 states to 106 states and 178 transitions. [2018-12-02 03:27:12,625 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 178 transitions. [2018-12-02 03:27:12,626 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2018-12-02 03:27:12,626 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 03:27:12,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 03:27:12,700 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 03:27:13,062 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 03:27:13,063 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 213 states to 113 states and 199 transitions. [2018-12-02 03:27:13,064 INFO L276 IsEmpty]: Start isEmpty. Operand 113 states and 199 transitions. [2018-12-02 03:27:13,065 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2018-12-02 03:27:13,065 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 03:27:13,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 03:27:13,084 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 03:27:13,105 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 03:27:13,106 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 220 states to 116 states and 206 transitions. [2018-12-02 03:27:13,106 INFO L276 IsEmpty]: Start isEmpty. Operand 116 states and 206 transitions. [2018-12-02 03:27:13,107 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2018-12-02 03:27:13,107 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 03:27:13,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 03:27:13,126 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 03:27:13,231 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 03:27:13,232 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 223 states to 118 states and 209 transitions. [2018-12-02 03:27:13,232 INFO L276 IsEmpty]: Start isEmpty. Operand 118 states and 209 transitions. [2018-12-02 03:27:13,233 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2018-12-02 03:27:13,233 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 03:27:13,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 03:27:13,255 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 03:27:13,357 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 03:27:13,358 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 239 states to 123 states and 224 transitions. [2018-12-02 03:27:13,358 INFO L276 IsEmpty]: Start isEmpty. Operand 123 states and 224 transitions. [2018-12-02 03:27:13,358 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2018-12-02 03:27:13,358 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 03:27:13,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 03:27:13,371 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 03:27:13,382 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 03:27:13,382 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 240 states to 124 states and 225 transitions. [2018-12-02 03:27:13,382 INFO L276 IsEmpty]: Start isEmpty. Operand 124 states and 225 transitions. [2018-12-02 03:27:13,383 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2018-12-02 03:27:13,383 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 03:27:13,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 03:27:13,394 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 03:27:13,422 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 03:27:13,423 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 242 states to 126 states and 227 transitions. [2018-12-02 03:27:13,423 INFO L276 IsEmpty]: Start isEmpty. Operand 126 states and 227 transitions. [2018-12-02 03:27:13,423 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2018-12-02 03:27:13,423 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 03:27:13,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 03:27:13,434 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 03:27:13,460 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 03:27:13,461 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 244 states to 128 states and 229 transitions. [2018-12-02 03:27:13,461 INFO L276 IsEmpty]: Start isEmpty. Operand 128 states and 229 transitions. [2018-12-02 03:27:13,462 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2018-12-02 03:27:13,462 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 03:27:13,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 03:27:13,483 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2018-12-02 03:27:14,175 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 03:27:14,176 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 279 states to 135 states and 254 transitions. [2018-12-02 03:27:14,176 INFO L276 IsEmpty]: Start isEmpty. Operand 135 states and 254 transitions. [2018-12-02 03:27:14,176 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2018-12-02 03:27:14,177 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 03:27:14,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 03:27:14,192 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2018-12-02 03:27:14,523 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 03:27:14,523 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 289 states to 137 states and 259 transitions. [2018-12-02 03:27:14,523 INFO L276 IsEmpty]: Start isEmpty. Operand 137 states and 259 transitions. [2018-12-02 03:27:14,524 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2018-12-02 03:27:14,524 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 03:27:14,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 03:27:14,563 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 03:27:14,701 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 03:27:14,702 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 294 states to 139 states and 264 transitions. [2018-12-02 03:27:14,702 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 264 transitions. [2018-12-02 03:27:14,702 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2018-12-02 03:27:14,702 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 03:27:14,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 03:27:14,733 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 03:27:14,967 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 03:27:14,968 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 303 states to 141 states and 270 transitions. [2018-12-02 03:27:14,968 INFO L276 IsEmpty]: Start isEmpty. Operand 141 states and 270 transitions. [2018-12-02 03:27:14,968 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2018-12-02 03:27:14,968 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 03:27:14,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 03:27:15,150 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 03:27:16,453 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 03:27:16,454 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 323 states to 146 states and 285 transitions. [2018-12-02 03:27:16,454 INFO L276 IsEmpty]: Start isEmpty. Operand 146 states and 285 transitions. [2018-12-02 03:27:16,455 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2018-12-02 03:27:16,455 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 03:27:16,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 03:27:16,469 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2018-12-02 03:27:16,634 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 03:27:16,635 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 325 states to 147 states and 287 transitions. [2018-12-02 03:27:16,635 INFO L276 IsEmpty]: Start isEmpty. Operand 147 states and 287 transitions. [2018-12-02 03:27:16,636 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2018-12-02 03:27:16,636 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 03:27:16,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 03:27:16,647 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 03:27:16,904 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 03:27:16,905 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 334 states to 149 states and 291 transitions. [2018-12-02 03:27:16,905 INFO L276 IsEmpty]: Start isEmpty. Operand 149 states and 291 transitions. [2018-12-02 03:27:16,905 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2018-12-02 03:27:16,906 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 03:27:16,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 03:27:16,919 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2018-12-02 03:27:17,134 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 03:27:17,135 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 342 states to 151 states and 294 transitions. [2018-12-02 03:27:17,135 INFO L276 IsEmpty]: Start isEmpty. Operand 151 states and 294 transitions. [2018-12-02 03:27:17,136 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2018-12-02 03:27:17,136 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 03:27:17,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 03:27:17,153 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2018-12-02 03:27:17,167 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 03:27:17,167 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 340 states to 151 states and 292 transitions. [2018-12-02 03:27:17,167 INFO L276 IsEmpty]: Start isEmpty. Operand 151 states and 292 transitions. [2018-12-02 03:27:17,168 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2018-12-02 03:27:17,168 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 03:27:17,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 03:27:17,186 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2018-12-02 03:27:17,209 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 03:27:17,210 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 337 states to 137 states and 262 transitions. [2018-12-02 03:27:17,210 INFO L276 IsEmpty]: Start isEmpty. Operand 137 states and 262 transitions. [2018-12-02 03:27:17,211 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2018-12-02 03:27:17,211 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 03:27:17,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 03:27:17,232 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2018-12-02 03:27:17,474 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 03:27:17,474 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 345 states to 139 states and 269 transitions. [2018-12-02 03:27:17,474 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 269 transitions. [2018-12-02 03:27:17,475 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2018-12-02 03:27:17,475 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 03:27:17,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 03:27:17,538 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 29 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-12-02 03:27:17,798 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 03:27:17,799 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 347 states to 75 states and 106 transitions. [2018-12-02 03:27:17,799 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 106 transitions. [2018-12-02 03:27:17,799 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-12-02 03:27:17,799 WARN L428 CodeCheckObserver]: This Program is SAFE, Check terminated with 31 iterations. [2018-12-02 03:27:17,805 INFO L779 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2018-12-02 03:27:17,945 INFO L583 CodeCheckObserver]: Invariant with dag size 1 [2018-12-02 03:27:17,946 INFO L583 CodeCheckObserver]: Invariant with dag size 1 [2018-12-02 03:27:17,947 INFO L583 CodeCheckObserver]: Invariant with dag size 1 [2018-12-02 03:27:17,947 INFO L583 CodeCheckObserver]: Invariant with dag size 1 [2018-12-02 03:27:17,947 INFO L583 CodeCheckObserver]: Invariant with dag size 1 [2018-12-02 03:27:17,947 INFO L583 CodeCheckObserver]: Invariant with dag size 16 [2018-12-02 03:27:17,950 INFO L583 CodeCheckObserver]: Invariant with dag size 1 [2018-12-02 03:27:17,950 INFO L583 CodeCheckObserver]: Invariant with dag size 3 [2018-12-02 03:27:17,950 INFO L583 CodeCheckObserver]: Invariant with dag size 1 [2018-12-02 03:27:17,951 INFO L583 CodeCheckObserver]: Invariant with dag size 1 [2018-12-02 03:27:17,951 INFO L583 CodeCheckObserver]: Invariant with dag size 1 [2018-12-02 03:27:17,951 INFO L583 CodeCheckObserver]: Invariant with dag size 1 [2018-12-02 03:27:17,951 INFO L583 CodeCheckObserver]: Invariant with dag size 11 [2018-12-02 03:27:17,951 INFO L583 CodeCheckObserver]: Invariant with dag size 1 [2018-12-02 03:27:17,952 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 02.12 03:27:17 ImpRootNode [2018-12-02 03:27:17,952 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2018-12-02 03:27:17,952 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-02 03:27:17,952 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-02 03:27:17,952 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-02 03:27:17,953 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 03:27:10" (3/4) ... [2018-12-02 03:27:17,955 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-12-02 03:27:17,959 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure deactivatePump [2018-12-02 03:27:17,959 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base [2018-12-02 03:27:17,959 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2018-12-02 03:27:17,959 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2018-12-02 03:27:17,959 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2018-12-02 03:27:17,959 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2018-12-02 03:27:17,959 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__methaneQuery [2018-12-02 03:27:17,959 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneAlarm [2018-12-02 03:27:17,964 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 59 nodes and edges [2018-12-02 03:27:17,965 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 23 nodes and edges [2018-12-02 03:27:17,965 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2018-12-02 03:27:17,965 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2018-12-02 03:27:17,966 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2018-12-02 03:27:17,966 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-12-02 03:27:17,984 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((!(0 == pumpRunning) || (0 == waterLevel && \old(pumpRunning) == pumpRunning)) || (\old(waterLevel) == waterLevel && \old(pumpRunning) == pumpRunning)) || (0 == systemActive && \old(pumpRunning) == pumpRunning) [2018-12-02 03:27:17,985 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: \old(pumpRunning) == pumpRunning [2018-12-02 03:27:18,012 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_6812e5ed-c734-4e4f-bedd-69fee97b607f/bin-2019/ukojak/witness.graphml [2018-12-02 03:27:18,012 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-02 03:27:18,013 INFO L168 Benchmark]: Toolchain (without parser) took 8091.63 ms. Allocated memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: 265.3 MB). Free memory was 950.6 MB in the beginning and 1.1 GB in the end (delta: -105.3 MB). Peak memory consumption was 160.0 MB. Max. memory is 11.5 GB. [2018-12-02 03:27:18,013 INFO L168 Benchmark]: CDTParser took 0.10 ms. Allocated memory is still 1.0 GB. Free memory is still 976.9 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-02 03:27:18,014 INFO L168 Benchmark]: CACSL2BoogieTranslator took 335.75 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 110.6 MB). Free memory was 950.6 MB in the beginning and 1.1 GB in the end (delta: -149.5 MB). Peak memory consumption was 25.7 MB. Max. memory is 11.5 GB. [2018-12-02 03:27:18,014 INFO L168 Benchmark]: Boogie Procedure Inliner took 39.35 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: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2018-12-02 03:27:18,014 INFO L168 Benchmark]: Boogie Preprocessor took 22.92 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 03:27:18,014 INFO L168 Benchmark]: RCFGBuilder took 445.81 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: 69.1 MB). Peak memory consumption was 69.1 MB. Max. memory is 11.5 GB. [2018-12-02 03:27:18,014 INFO L168 Benchmark]: CodeCheck took 7184.89 ms. Allocated memory was 1.1 GB in the beginning and 1.3 GB in the end (delta: 154.7 MB). Free memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: -39.2 MB). Peak memory consumption was 115.5 MB. Max. memory is 11.5 GB. [2018-12-02 03:27:18,014 INFO L168 Benchmark]: Witness Printer took 60.23 ms. Allocated memory is still 1.3 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 8.9 MB). Peak memory consumption was 8.9 MB. Max. memory is 11.5 GB. [2018-12-02 03:27:18,015 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 9 procedures, 79 locations, 1 error locations. SAFE Result, 7.0s OverallTime, 31 OverallIterations, 0 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: -562867184 SDtfs, 224793116 SDslu, -707477636 SDs, 0 SdLazy, 480148094 SolverSat, 1200862990 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 9.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 11126 GetRequests, 10820 SyntacticMatches, 86 SemanticMatches, 220 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 23201 ImplicationChecksByTransitivity, 5.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.8s InterpolantComputationTime, 972 NumberOfCodeBlocks, 972 NumberOfCodeBlocksAsserted, 30 NumberOfCheckSat, 942 ConstructedInterpolants, 0 QuantifiedInterpolants, 79191 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 30 InterpolantComputations, 24 PerfectInterpolantSequences, 234/264 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 - PositiveResult [Line: 944]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 817]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 382]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 421]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 383]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: -1]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 175]: Loop Invariant Derived loop invariant: ((!(0 == pumpRunning) || (0 == waterLevel && \old(pumpRunning) == pumpRunning)) || (\old(waterLevel) == waterLevel && \old(pumpRunning) == pumpRunning)) || (0 == systemActive && \old(pumpRunning) == pumpRunning) - InvariantResult [Line: 183]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 208]: Loop Invariant Derived loop invariant: \old(pumpRunning) == pumpRunning - InvariantResult [Line: 288]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 146]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 146]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 807]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 891]: Loop Invariant Derived loop invariant: ((0 == pumpRunning && tmp == 1) && tmp == waterLevel) && tmp == systemActive - InvariantResult [Line: 891]: Loop Invariant Derived loop invariant: 1 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.10 ms. Allocated memory is still 1.0 GB. Free memory is still 976.9 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 335.75 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 110.6 MB). Free memory was 950.6 MB in the beginning and 1.1 GB in the end (delta: -149.5 MB). Peak memory consumption was 25.7 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 39.35 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: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 22.92 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 445.81 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: 69.1 MB). Peak memory consumption was 69.1 MB. Max. memory is 11.5 GB. * CodeCheck took 7184.89 ms. Allocated memory was 1.1 GB in the beginning and 1.3 GB in the end (delta: 154.7 MB). Free memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: -39.2 MB). Peak memory consumption was 115.5 MB. Max. memory is 11.5 GB. * Witness Printer took 60.23 ms. Allocated memory is still 1.3 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 8.9 MB). Peak memory consumption was 8.9 MB. Max. memory is 11.5 GB. RESULT: Ultimate proved your program to be correct! Received shutdown request...