./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec1_product51_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_cd52e155-e5a1-4474-a809-c1bbb33bd446/bin-2019/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_cd52e155-e5a1-4474-a809-c1bbb33bd446/bin-2019/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_cd52e155-e5a1-4474-a809-c1bbb33bd446/bin-2019/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_cd52e155-e5a1-4474-a809-c1bbb33bd446/bin-2019/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec1_product51_false-unreach-call_false-termination.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_cd52e155-e5a1-4474-a809-c1bbb33bd446/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_cd52e155-e5a1-4474-a809-c1bbb33bd446/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 0d6f6f11832d8f580d186172cf5d58d3f276ea91 .......................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE --- Real Ultimate output --- This is Ultimate 0.1.23-635dfa2 [2018-12-08 12:11:43,847 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-08 12:11:43,847 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-08 12:11:43,853 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-08 12:11:43,853 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-08 12:11:43,854 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-08 12:11:43,854 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-08 12:11:43,855 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-08 12:11:43,856 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-08 12:11:43,856 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-08 12:11:43,857 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-08 12:11:43,857 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-08 12:11:43,857 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-08 12:11:43,858 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-08 12:11:43,858 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-08 12:11:43,858 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-08 12:11:43,859 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-08 12:11:43,860 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-08 12:11:43,860 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-08 12:11:43,861 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-08 12:11:43,862 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-08 12:11:43,862 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-08 12:11:43,863 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-08 12:11:43,863 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-08 12:11:43,863 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-08 12:11:43,864 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-08 12:11:43,864 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-08 12:11:43,865 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-08 12:11:43,865 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-08 12:11:43,866 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-08 12:11:43,866 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-08 12:11:43,866 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-08 12:11:43,866 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-08 12:11:43,866 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-08 12:11:43,867 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-08 12:11:43,867 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-08 12:11:43,867 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_cd52e155-e5a1-4474-a809-c1bbb33bd446/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2018-12-08 12:11:43,874 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-08 12:11:43,874 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-08 12:11:43,875 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-08 12:11:43,875 INFO L133 SettingsManager]: * ... to procedures called more than once=ALWAYS [2018-12-08 12:11:43,875 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-12-08 12:11:43,875 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-12-08 12:11:43,875 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-08 12:11:43,875 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-08 12:11:43,875 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-08 12:11:43,876 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-08 12:11:43,876 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-08 12:11:43,876 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-08 12:11:43,876 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-08 12:11:43,876 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-08 12:11:43,876 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-08 12:11:43,876 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-08 12:11:43,876 INFO L133 SettingsManager]: * Use constant arrays=true [2018-12-08 12:11:43,876 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-08 12:11:43,876 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-12-08 12:11:43,876 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-12-08 12:11:43,876 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-08 12:11:43,876 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-08 12:11:43,877 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-12-08 12:11:43,877 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-08 12:11:43,877 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-08 12:11:43,877 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-08 12:11:43,877 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-12-08 12:11:43,877 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-08 12:11:43,877 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-12-08 12:11:43,877 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_cd52e155-e5a1-4474-a809-c1bbb33bd446/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 -> 0d6f6f11832d8f580d186172cf5d58d3f276ea91 [2018-12-08 12:11:43,894 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-08 12:11:43,901 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-08 12:11:43,903 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-08 12:11:43,904 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-08 12:11:43,904 INFO L276 PluginConnector]: CDTParser initialized [2018-12-08 12:11:43,905 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_cd52e155-e5a1-4474-a809-c1bbb33bd446/bin-2019/ukojak/../../sv-benchmarks/c/product-lines/minepump_spec1_product51_false-unreach-call_false-termination.cil.c [2018-12-08 12:11:43,939 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_cd52e155-e5a1-4474-a809-c1bbb33bd446/bin-2019/ukojak/data/3e1a22546/d8a3e8789c16432bb4186fd94840bb25/FLAGdf3e8bcb9 [2018-12-08 12:11:44,404 INFO L307 CDTParser]: Found 1 translation units. [2018-12-08 12:11:44,405 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_cd52e155-e5a1-4474-a809-c1bbb33bd446/sv-benchmarks/c/product-lines/minepump_spec1_product51_false-unreach-call_false-termination.cil.c [2018-12-08 12:11:44,411 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_cd52e155-e5a1-4474-a809-c1bbb33bd446/bin-2019/ukojak/data/3e1a22546/d8a3e8789c16432bb4186fd94840bb25/FLAGdf3e8bcb9 [2018-12-08 12:11:44,422 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_cd52e155-e5a1-4474-a809-c1bbb33bd446/bin-2019/ukojak/data/3e1a22546/d8a3e8789c16432bb4186fd94840bb25 [2018-12-08 12:11:44,424 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-08 12:11:44,424 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-08 12:11:44,425 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-08 12:11:44,425 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-08 12:11:44,427 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-08 12:11:44,428 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.12 12:11:44" (1/1) ... [2018-12-08 12:11:44,429 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5cc82c98 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 12:11:44, skipping insertion in model container [2018-12-08 12:11:44,429 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.12 12:11:44" (1/1) ... [2018-12-08 12:11:44,433 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-08 12:11:44,460 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-08 12:11:44,609 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-08 12:11:44,617 INFO L191 MainTranslator]: Completed pre-run [2018-12-08 12:11:44,691 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-08 12:11:44,706 INFO L195 MainTranslator]: Completed translation [2018-12-08 12:11:44,706 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 12:11:44 WrapperNode [2018-12-08 12:11:44,706 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-08 12:11:44,707 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-08 12:11:44,707 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-08 12:11:44,707 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-08 12:11:44,712 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 12:11:44" (1/1) ... [2018-12-08 12:11:44,721 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 12:11:44" (1/1) ... [2018-12-08 12:11:44,737 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-08 12:11:44,737 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-08 12:11:44,737 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-08 12:11:44,737 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-08 12:11:44,743 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 12:11:44" (1/1) ... [2018-12-08 12:11:44,743 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 12:11:44" (1/1) ... [2018-12-08 12:11:44,745 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 12:11:44" (1/1) ... [2018-12-08 12:11:44,745 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 12:11:44" (1/1) ... [2018-12-08 12:11:44,748 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 12:11:44" (1/1) ... [2018-12-08 12:11:44,751 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 12:11:44" (1/1) ... [2018-12-08 12:11:44,753 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 12:11:44" (1/1) ... [2018-12-08 12:11:44,754 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-08 12:11:44,754 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-08 12:11:44,754 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-08 12:11:44,754 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-08 12:11:44,755 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 12:11:44" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_cd52e155-e5a1-4474-a809-c1bbb33bd446/bin-2019/ukojak/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-12-08 12:11:44,785 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-12-08 12:11:44,786 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2018-12-08 12:11:44,786 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2018-12-08 12:11:44,786 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2018-12-08 12:11:44,786 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2018-12-08 12:11:44,786 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2018-12-08 12:11:44,786 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2018-12-08 12:11:44,786 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2018-12-08 12:11:44,786 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2018-12-08 12:11:44,786 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2018-12-08 12:11:44,786 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2018-12-08 12:11:44,786 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2018-12-08 12:11:44,786 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2018-12-08 12:11:44,786 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2018-12-08 12:11:44,787 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2018-12-08 12:11:44,787 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2018-12-08 12:11:44,787 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2018-12-08 12:11:44,787 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2018-12-08 12:11:44,787 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-08 12:11:44,787 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-08 12:11:45,235 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-08 12:11:45,235 INFO L280 CfgBuilder]: Removed 40 assue(true) statements. [2018-12-08 12:11:45,235 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.12 12:11:45 BoogieIcfgContainer [2018-12-08 12:11:45,235 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-08 12:11:45,235 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-12-08 12:11:45,235 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-12-08 12:11:45,241 INFO L276 PluginConnector]: CodeCheck initialized [2018-12-08 12:11:45,242 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.12 12:11:45" (1/1) ... [2018-12-08 12:11:45,249 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 12:11:45,266 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 12:11:45,272 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 61 states and 82 transitions. [2018-12-08 12:11:45,272 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 82 transitions. [2018-12-08 12:11:45,275 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-12-08 12:11:45,276 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 12:11:45,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 12:11:45,392 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 12:11:45,399 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 12:11:45,400 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 61 states and 80 transitions. [2018-12-08 12:11:45,400 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 80 transitions. [2018-12-08 12:11:45,401 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2018-12-08 12:11:45,401 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 12:11:45,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 12:11:45,440 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 12:11:45,461 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 12:11:45,462 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 83 states to 63 states and 83 transitions. [2018-12-08 12:11:45,462 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 83 transitions. [2018-12-08 12:11:45,463 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2018-12-08 12:11:45,463 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 12:11:45,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 12:11:45,510 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 12:11:45,583 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 12:11:45,584 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 104 states to 73 states and 104 transitions. [2018-12-08 12:11:45,584 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 104 transitions. [2018-12-08 12:11:45,585 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2018-12-08 12:11:45,585 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 12:11:45,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 12:11:45,611 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 12:11:45,615 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 12:11:45,616 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 105 states to 74 states and 105 transitions. [2018-12-08 12:11:45,616 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 105 transitions. [2018-12-08 12:11:45,617 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2018-12-08 12:11:45,618 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 12:11:45,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 12:11:45,648 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 12:11:45,657 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 12:11:45,658 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 106 states to 75 states and 106 transitions. [2018-12-08 12:11:45,659 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 106 transitions. [2018-12-08 12:11:45,659 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2018-12-08 12:11:45,660 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 12:11:45,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 12:11:45,687 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 12:11:45,695 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 12:11:45,696 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 107 states to 76 states and 107 transitions. [2018-12-08 12:11:45,696 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 107 transitions. [2018-12-08 12:11:45,697 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2018-12-08 12:11:45,697 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 12:11:45,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 12:11:45,758 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 12:11:45,969 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 12:11:45,970 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 145 states to 93 states and 145 transitions. [2018-12-08 12:11:45,970 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 145 transitions. [2018-12-08 12:11:45,971 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2018-12-08 12:11:45,971 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 12:11:45,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 12:11:46,025 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 12:11:46,105 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 12:11:46,106 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 153 states to 96 states and 153 transitions. [2018-12-08 12:11:46,106 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states and 153 transitions. [2018-12-08 12:11:46,107 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2018-12-08 12:11:46,107 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 12:11:46,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 12:11:46,138 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 12:11:46,145 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 12:11:46,146 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 154 states to 97 states and 154 transitions. [2018-12-08 12:11:46,146 INFO L276 IsEmpty]: Start isEmpty. Operand 97 states and 154 transitions. [2018-12-08 12:11:46,147 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2018-12-08 12:11:46,147 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 12:11:46,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 12:11:46,244 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 12:11:46,878 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 12:11:46,879 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 195 states to 116 states and 195 transitions. [2018-12-08 12:11:46,879 INFO L276 IsEmpty]: Start isEmpty. Operand 116 states and 195 transitions. [2018-12-08 12:11:46,880 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2018-12-08 12:11:46,880 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 12:11:46,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 12:11:46,910 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 12:11:46,983 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 12:11:46,984 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 201 states to 120 states and 201 transitions. [2018-12-08 12:11:46,984 INFO L276 IsEmpty]: Start isEmpty. Operand 120 states and 201 transitions. [2018-12-08 12:11:46,985 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2018-12-08 12:11:46,985 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 12:11:46,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 12:11:47,007 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 12:11:47,028 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 12:11:47,029 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 124 states and 211 transitions. [2018-12-08 12:11:47,030 INFO L276 IsEmpty]: Start isEmpty. Operand 124 states and 211 transitions. [2018-12-08 12:11:47,031 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2018-12-08 12:11:47,031 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 12:11:47,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 12:11:47,062 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 12:11:47,068 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 12:11:47,069 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 212 states to 125 states and 212 transitions. [2018-12-08 12:11:47,069 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 212 transitions. [2018-12-08 12:11:47,070 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2018-12-08 12:11:47,070 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 12:11:47,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 12:11:47,231 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 12:11:47,668 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 12:11:47,669 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 253 states to 139 states and 253 transitions. [2018-12-08 12:11:47,669 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 253 transitions. [2018-12-08 12:11:47,670 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2018-12-08 12:11:47,670 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 12:11:47,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 12:11:47,757 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 12:11:47,982 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 12:11:47,983 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 264 states to 141 states and 259 transitions. [2018-12-08 12:11:47,983 INFO L276 IsEmpty]: Start isEmpty. Operand 141 states and 259 transitions. [2018-12-08 12:11:47,984 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2018-12-08 12:11:47,984 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 12:11:47,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 12:11:48,000 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 12:11:48,008 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 12:11:48,009 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 265 states to 142 states and 260 transitions. [2018-12-08 12:11:48,009 INFO L276 IsEmpty]: Start isEmpty. Operand 142 states and 260 transitions. [2018-12-08 12:11:48,009 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2018-12-08 12:11:48,009 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 12:11:48,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 12:11:48,026 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 12:11:48,225 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 12:11:48,226 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 273 states to 147 states and 268 transitions. [2018-12-08 12:11:48,226 INFO L276 IsEmpty]: Start isEmpty. Operand 147 states and 268 transitions. [2018-12-08 12:11:48,226 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2018-12-08 12:11:48,226 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 12:11:48,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 12:11:48,309 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 12:11:48,396 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 12:11:48,398 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 279 states to 150 states and 274 transitions. [2018-12-08 12:11:48,398 INFO L276 IsEmpty]: Start isEmpty. Operand 150 states and 274 transitions. [2018-12-08 12:11:48,398 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2018-12-08 12:11:48,399 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 12:11:48,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 12:11:48,414 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 12:11:48,583 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 12:11:48,584 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 287 states to 152 states and 279 transitions. [2018-12-08 12:11:48,585 INFO L276 IsEmpty]: Start isEmpty. Operand 152 states and 279 transitions. [2018-12-08 12:11:48,585 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2018-12-08 12:11:48,585 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 12:11:48,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 12:11:48,602 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 12:11:48,735 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 12:11:48,736 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 295 states to 157 states and 287 transitions. [2018-12-08 12:11:48,736 INFO L276 IsEmpty]: Start isEmpty. Operand 157 states and 287 transitions. [2018-12-08 12:11:48,737 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2018-12-08 12:11:48,737 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 12:11:48,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 12:11:48,819 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 12:11:48,837 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 12:11:48,838 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 296 states to 158 states and 288 transitions. [2018-12-08 12:11:48,838 INFO L276 IsEmpty]: Start isEmpty. Operand 158 states and 288 transitions. [2018-12-08 12:11:48,839 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2018-12-08 12:11:48,839 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 12:11:48,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 12:11:48,897 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 12:11:49,139 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 12:11:49,140 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 304 states to 158 states and 286 transitions. [2018-12-08 12:11:49,140 INFO L276 IsEmpty]: Start isEmpty. Operand 158 states and 286 transitions. [2018-12-08 12:11:49,140 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2018-12-08 12:11:49,140 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 12:11:49,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 12:11:49,151 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 12:11:49,275 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 12:11:49,276 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 312 states to 161 states and 294 transitions. [2018-12-08 12:11:49,276 INFO L276 IsEmpty]: Start isEmpty. Operand 161 states and 294 transitions. [2018-12-08 12:11:49,277 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2018-12-08 12:11:49,277 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 12:11:49,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-08 12:11:49,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-08 12:11:49,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-08 12:11:49,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-08 12:11:49,449 WARN L497 CodeCheckObserver]: This program is UNSAFE, Check terminated with 24 iterations. [2018-12-08 12:11:49,514 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 08.12 12:11:49 ImpRootNode [2018-12-08 12:11:49,515 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2018-12-08 12:11:49,515 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-08 12:11:49,515 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-08 12:11:49,515 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-08 12:11:49,516 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.12 12:11:45" (3/4) ... [2018-12-08 12:11:49,517 INFO L138 WitnessPrinter]: Generating witness for reachability counterexample [2018-12-08 12:11:49,590 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_cd52e155-e5a1-4474-a809-c1bbb33bd446/bin-2019/ukojak/witness.graphml [2018-12-08 12:11:49,590 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-08 12:11:49,591 INFO L168 Benchmark]: Toolchain (without parser) took 5166.86 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 210.8 MB). Free memory was 950.6 MB in the beginning and 1.1 GB in the end (delta: -154.5 MB). Peak memory consumption was 56.2 MB. Max. memory is 11.5 GB. [2018-12-08 12:11:49,592 INFO L168 Benchmark]: CDTParser took 0.11 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. [2018-12-08 12:11:49,592 INFO L168 Benchmark]: CACSL2BoogieTranslator took 281.65 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 113.2 MB). Free memory was 950.6 MB in the beginning and 1.1 GB in the end (delta: -154.4 MB). Peak memory consumption was 28.0 MB. Max. memory is 11.5 GB. [2018-12-08 12:11:49,592 INFO L168 Benchmark]: Boogie Procedure Inliner took 30.20 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. [2018-12-08 12:11:49,593 INFO L168 Benchmark]: Boogie Preprocessor took 16.96 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. [2018-12-08 12:11:49,593 INFO L168 Benchmark]: RCFGBuilder took 480.80 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: 81.6 MB). Peak memory consumption was 81.6 MB. Max. memory is 11.5 GB. [2018-12-08 12:11:49,593 INFO L168 Benchmark]: CodeCheck took 4279.30 ms. Allocated memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: 97.5 MB). Free memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: -100.9 MB). There was no memory consumed. Max. memory is 11.5 GB. [2018-12-08 12:11:49,593 INFO L168 Benchmark]: Witness Printer took 75.35 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 13.9 MB). Peak memory consumption was 13.9 MB. Max. memory is 11.5 GB. [2018-12-08 12:11:49,595 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, 84 locations, 1 error locations. UNSAFE Result, 4.1s OverallTime, 24 OverallIterations, 0 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 183449736 SDtfs, 60563900 SDslu, 95923452 SDs, 0 SdLazy, 66564000 SolverSat, 21064280 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 3.8s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 5750 GetRequests, 5575 SyntacticMatches, 39 SemanticMatches, 136 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8064 ImplicationChecksByTransitivity, 2.8s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.8s InterpolantComputationTime, 639 NumberOfCodeBlocks, 639 NumberOfCodeBlocksAsserted, 24 NumberOfCheckSat, 583 ConstructedInterpolants, 0 QuantifiedInterpolants, 42138 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 23 InterpolantComputations, 23 PerfectInterpolantSequences, 0/0 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: 704]: a call of __VERIFIER_error() is reachable a call of __VERIFIER_error() is reachable We found a FailurePath: [L121] int pumpRunning = 0; [L122] int systemActive = 1; [L503] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L773] int cleanupTimeShifts = 4; [L870] int waterLevel = 1; [L871] int methaneLevelCritical = 0; [L846] int retValue_acc ; [L847] int tmp ; [L738] int retValue_acc ; [L741] retValue_acc = 1 [L742] return (retValue_acc); [L853] tmp = valid_product() [L855] COND TRUE \read(tmp) [L46] int splverifierCounter ; [L47] int tmp ; [L48] int tmp___0 ; [L49] int tmp___1 ; [L50] int tmp___2 ; [L53] splverifierCounter = 0 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L55] COND TRUE 1 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L57] COND TRUE splverifierCounter < 4 [L63] tmp = __VERIFIER_nondet_int() [L65] COND TRUE \read(tmp) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L67] CALL waterRise() VAL [\old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L888] COND TRUE waterLevel < 2 [L889] waterLevel = waterLevel + 1 [L67] RET waterRise() VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L73] tmp___0 = __VERIFIER_nondet_int() [L75] COND TRUE \read(tmp___0) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L77] CALL changeMethaneLevel() VAL [\old(methaneLevelCritical)=0, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L900] COND FALSE !(\read(methaneLevelCritical)) [L903] methaneLevelCritical = 1 [L77] RET changeMethaneLevel() VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2] [L83] tmp___2 = __VERIFIER_nondet_int() [L85] COND TRUE \read(tmp___2) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2] [L100] CALL timeShift() VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2] [L129] COND FALSE !(\read(pumpRunning)) VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2] [L136] COND TRUE \read(systemActive) [L184] int tmp ; VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2] [L187] COND FALSE !(\read(pumpRunning)) VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2] [L202] CALL processEnvironment__wrappee__highWaterSensor() VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2] [L158] int tmp ; VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2] [L161] COND TRUE ! pumpRunning [L281] int retValue_acc ; [L282] int tmp ; [L283] int tmp___0 ; [L950] int retValue_acc ; [L953] COND FALSE !(waterLevel < 2) [L957] retValue_acc = 0 [L958] return (retValue_acc); [L287] tmp = isHighWaterSensorDry() [L289] COND FALSE !(\read(tmp)) [L292] tmp___0 = 1 [L294] retValue_acc = tmp___0 [L295] return (retValue_acc); [L163] tmp = isHighWaterLevel() [L165] COND TRUE \read(tmp) [L212] pumpRunning = 1 VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2] [L202] RET processEnvironment__wrappee__highWaterSensor() VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2] [L748] int tmp ; [L749] int tmp___0 ; VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2] [L753] CALL, EXPR isMethaneLevelCritical() VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2] [L909] int retValue_acc ; [L912] retValue_acc = methaneLevelCritical [L913] return (retValue_acc); [L753] RET, EXPR isMethaneLevelCritical() VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2] [L753] tmp = isMethaneLevelCritical() [L755] COND TRUE \read(tmp) [L236] int retValue_acc ; [L239] retValue_acc = pumpRunning [L240] return (retValue_acc); [L757] tmp___0 = isPumpRunning() [L759] COND TRUE \read(tmp___0) VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2] [L704] __VERIFIER_error() VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.11 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 281.65 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 113.2 MB). Free memory was 950.6 MB in the beginning and 1.1 GB in the end (delta: -154.4 MB). Peak memory consumption was 28.0 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 30.20 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 16.96 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. * RCFGBuilder took 480.80 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: 81.6 MB). Peak memory consumption was 81.6 MB. Max. memory is 11.5 GB. * CodeCheck took 4279.30 ms. Allocated memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: 97.5 MB). Free memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: -100.9 MB). There was no memory consumed. Max. memory is 11.5 GB. * Witness Printer took 75.35 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 13.9 MB). Peak memory consumption was 13.9 MB. Max. memory is 11.5 GB. RESULT: Ultimate proved your program to be incorrect! Received shutdown request...