./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec2_product33.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version cad46833 Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_a3f1bf4e-d7f4-4ba0-bc75-9e81fdd8638f/bin/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_a3f1bf4e-d7f4-4ba0-bc75-9e81fdd8638f/bin/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_a3f1bf4e-d7f4-4ba0-bc75-9e81fdd8638f/bin/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_a3f1bf4e-d7f4-4ba0-bc75-9e81fdd8638f/bin/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec2_product33.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_a3f1bf4e-d7f4-4ba0-bc75-9e81fdd8638f/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_a3f1bf4e-d7f4-4ba0-bc75-9e81fdd8638f/bin/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 7aed16b7a73618bd36d72dc3243e4d7bd764fb49 ...................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 0.1.24-cad4683 [2019-10-22 10:18:26,411 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-22 10:18:26,414 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-22 10:18:26,424 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-22 10:18:26,425 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-22 10:18:26,426 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-22 10:18:26,427 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-22 10:18:26,429 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-22 10:18:26,431 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-22 10:18:26,433 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-22 10:18:26,434 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-22 10:18:26,435 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-22 10:18:26,440 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-22 10:18:26,442 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-22 10:18:26,444 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-22 10:18:26,445 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-22 10:18:26,446 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-22 10:18:26,448 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-22 10:18:26,450 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-22 10:18:26,452 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-22 10:18:26,454 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-22 10:18:26,456 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-22 10:18:26,458 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-22 10:18:26,460 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-22 10:18:26,461 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-22 10:18:26,461 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-22 10:18:26,461 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-22 10:18:26,462 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-22 10:18:26,462 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-22 10:18:26,463 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-22 10:18:26,463 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-22 10:18:26,463 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-22 10:18:26,464 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-22 10:18:26,464 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-22 10:18:26,465 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-22 10:18:26,465 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-22 10:18:26,466 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-22 10:18:26,466 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-22 10:18:26,466 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-22 10:18:26,467 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-22 10:18:26,467 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-22 10:18:26,467 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_a3f1bf4e-d7f4-4ba0-bc75-9e81fdd8638f/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2019-10-22 10:18:26,479 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-22 10:18:26,479 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-22 10:18:26,480 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-10-22 10:18:26,480 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2019-10-22 10:18:26,480 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-22 10:18:26,480 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-22 10:18:26,480 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-22 10:18:26,482 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-22 10:18:26,482 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-22 10:18:26,482 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-22 10:18:26,482 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-22 10:18:26,482 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-22 10:18:26,483 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-22 10:18:26,483 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-22 10:18:26,483 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-22 10:18:26,483 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-22 10:18:26,483 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-22 10:18:26,483 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-22 10:18:26,484 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2019-10-22 10:18:26,484 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2019-10-22 10:18:26,484 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-22 10:18:26,484 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-22 10:18:26,484 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2019-10-22 10:18:26,484 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-22 10:18:26,485 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-22 10:18:26,494 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-22 10:18:26,494 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2019-10-22 10:18:26,494 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-22 10:18:26,494 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-22 10:18:26,495 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode 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_a3f1bf4e-d7f4-4ba0-bc75-9e81fdd8638f/bin/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 -> 7aed16b7a73618bd36d72dc3243e4d7bd764fb49 [2019-10-22 10:18:26,527 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-22 10:18:26,538 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-22 10:18:26,541 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-22 10:18:26,542 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-22 10:18:26,542 INFO L275 PluginConnector]: CDTParser initialized [2019-10-22 10:18:26,543 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_a3f1bf4e-d7f4-4ba0-bc75-9e81fdd8638f/bin/ukojak/../../sv-benchmarks/c/product-lines/minepump_spec2_product33.cil.c [2019-10-22 10:18:26,593 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_a3f1bf4e-d7f4-4ba0-bc75-9e81fdd8638f/bin/ukojak/data/47f08c526/43666001cc86428681889562b094ae4f/FLAG1fbf76460 [2019-10-22 10:18:27,036 INFO L306 CDTParser]: Found 1 translation units. [2019-10-22 10:18:27,036 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_a3f1bf4e-d7f4-4ba0-bc75-9e81fdd8638f/sv-benchmarks/c/product-lines/minepump_spec2_product33.cil.c [2019-10-22 10:18:27,051 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_a3f1bf4e-d7f4-4ba0-bc75-9e81fdd8638f/bin/ukojak/data/47f08c526/43666001cc86428681889562b094ae4f/FLAG1fbf76460 [2019-10-22 10:18:27,062 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_a3f1bf4e-d7f4-4ba0-bc75-9e81fdd8638f/bin/ukojak/data/47f08c526/43666001cc86428681889562b094ae4f [2019-10-22 10:18:27,064 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-22 10:18:27,065 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-10-22 10:18:27,066 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-22 10:18:27,066 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-22 10:18:27,069 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-22 10:18:27,069 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.10 10:18:27" (1/1) ... [2019-10-22 10:18:27,072 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@65f4b060 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 10:18:27, skipping insertion in model container [2019-10-22 10:18:27,072 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.10 10:18:27" (1/1) ... [2019-10-22 10:18:27,078 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-22 10:18:27,114 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-22 10:18:27,445 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-22 10:18:27,459 INFO L188 MainTranslator]: Completed pre-run [2019-10-22 10:18:27,545 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-22 10:18:27,568 INFO L192 MainTranslator]: Completed translation [2019-10-22 10:18:27,568 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 10:18:27 WrapperNode [2019-10-22 10:18:27,568 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-22 10:18:27,569 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-10-22 10:18:27,569 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-10-22 10:18:27,569 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-10-22 10:18:27,576 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 10:18:27" (1/1) ... [2019-10-22 10:18:27,590 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 10:18:27" (1/1) ... [2019-10-22 10:18:27,613 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-10-22 10:18:27,613 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-22 10:18:27,613 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-22 10:18:27,613 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-22 10:18:27,621 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 10:18:27" (1/1) ... [2019-10-22 10:18:27,621 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 10:18:27" (1/1) ... [2019-10-22 10:18:27,624 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 10:18:27" (1/1) ... [2019-10-22 10:18:27,624 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 10:18:27" (1/1) ... [2019-10-22 10:18:27,629 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 10:18:27" (1/1) ... [2019-10-22 10:18:27,634 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 10:18:27" (1/1) ... [2019-10-22 10:18:27,636 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 10:18:27" (1/1) ... [2019-10-22 10:18:27,638 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-22 10:18:27,639 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-22 10:18:27,639 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-22 10:18:27,639 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-22 10:18:27,640 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 10:18:27" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_a3f1bf4e-d7f4-4ba0-bc75-9e81fdd8638f/bin/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 [2019-10-22 10:18:27,715 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-22 10:18:27,716 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2019-10-22 10:18:27,716 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2019-10-22 10:18:27,717 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2019-10-22 10:18:27,717 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2019-10-22 10:18:27,717 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2019-10-22 10:18:27,717 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2019-10-22 10:18:27,717 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2019-10-22 10:18:27,717 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2019-10-22 10:18:27,717 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2019-10-22 10:18:27,718 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2019-10-22 10:18:27,718 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-10-22 10:18:27,718 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2019-10-22 10:18:27,718 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2019-10-22 10:18:27,718 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-22 10:18:27,718 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-22 10:18:28,663 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-22 10:18:28,663 INFO L284 CfgBuilder]: Removed 36 assume(true) statements. [2019-10-22 10:18:28,664 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 10:18:28 BoogieIcfgContainer [2019-10-22 10:18:28,664 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-22 10:18:28,665 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2019-10-22 10:18:28,665 INFO L271 PluginConnector]: Initializing CodeCheck... [2019-10-22 10:18:28,676 INFO L275 PluginConnector]: CodeCheck initialized [2019-10-22 10:18:28,676 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 10:18:28" (1/1) ... [2019-10-22 10:18:28,687 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 10:18:28,706 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:18:28,715 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62 states to 47 states and 62 transitions. [2019-10-22 10:18:28,716 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 62 transitions. [2019-10-22 10:18:28,722 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2019-10-22 10:18:28,722 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:18:28,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:18:28,919 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 10:18:28,930 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:18:28,931 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 47 states and 60 transitions. [2019-10-22 10:18:28,931 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 60 transitions. [2019-10-22 10:18:28,932 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2019-10-22 10:18:28,932 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:18:28,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:18:29,061 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 10:18:29,081 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:18:29,082 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 49 states and 63 transitions. [2019-10-22 10:18:29,082 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 63 transitions. [2019-10-22 10:18:29,083 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2019-10-22 10:18:29,083 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:18:29,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:18:29,191 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 10:18:29,349 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:18:29,350 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81 states to 58 states and 81 transitions. [2019-10-22 10:18:29,350 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 81 transitions. [2019-10-22 10:18:29,351 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2019-10-22 10:18:29,351 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:18:29,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:18:29,479 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 10:18:29,794 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:18:29,796 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 111 states to 73 states and 111 transitions. [2019-10-22 10:18:29,796 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 111 transitions. [2019-10-22 10:18:29,798 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2019-10-22 10:18:29,798 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:18:29,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:18:29,878 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 10:18:30,370 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:18:30,372 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 137 states to 84 states and 137 transitions. [2019-10-22 10:18:30,372 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 137 transitions. [2019-10-22 10:18:30,373 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2019-10-22 10:18:30,373 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:18:30,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:18:30,409 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 10:18:30,508 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:18:30,509 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 140 states to 85 states and 140 transitions. [2019-10-22 10:18:30,510 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 140 transitions. [2019-10-22 10:18:30,511 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2019-10-22 10:18:30,511 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:18:30,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:18:30,569 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 10:18:30,652 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:18:30,653 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 154 states to 92 states and 154 transitions. [2019-10-22 10:18:30,654 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 154 transitions. [2019-10-22 10:18:30,655 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2019-10-22 10:18:30,655 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:18:30,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:18:30,696 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 10:18:30,745 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:18:30,746 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 155 states to 93 states and 155 transitions. [2019-10-22 10:18:30,746 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 155 transitions. [2019-10-22 10:18:30,747 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2019-10-22 10:18:30,748 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:18:30,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:18:30,777 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 10:18:30,784 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:18:30,785 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 156 states to 94 states and 156 transitions. [2019-10-22 10:18:30,785 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 156 transitions. [2019-10-22 10:18:30,786 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2019-10-22 10:18:30,786 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:18:30,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:18:30,860 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 10:18:31,767 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:18:31,769 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 200 states to 112 states and 200 transitions. [2019-10-22 10:18:31,769 INFO L276 IsEmpty]: Start isEmpty. Operand 112 states and 200 transitions. [2019-10-22 10:18:31,770 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2019-10-22 10:18:31,770 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:18:31,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:18:31,795 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 10:18:31,923 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:18:31,924 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 201 states to 113 states and 201 transitions. [2019-10-22 10:18:31,924 INFO L276 IsEmpty]: Start isEmpty. Operand 113 states and 201 transitions. [2019-10-22 10:18:31,925 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2019-10-22 10:18:31,925 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:18:31,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:18:31,949 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 10:18:32,080 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:18:32,081 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 202 states to 114 states and 202 transitions. [2019-10-22 10:18:32,082 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 202 transitions. [2019-10-22 10:18:32,082 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2019-10-22 10:18:32,082 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:18:32,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:18:32,109 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 10:18:32,120 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:18:32,121 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 203 states to 115 states and 203 transitions. [2019-10-22 10:18:32,121 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states and 203 transitions. [2019-10-22 10:18:32,123 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2019-10-22 10:18:32,123 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:18:32,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:18:32,186 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 10:18:32,687 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:18:32,688 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 214 states to 121 states and 214 transitions. [2019-10-22 10:18:32,688 INFO L276 IsEmpty]: Start isEmpty. Operand 121 states and 214 transitions. [2019-10-22 10:18:32,689 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2019-10-22 10:18:32,689 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:18:32,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:18:32,775 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-10-22 10:18:33,197 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:18:33,198 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 230 states to 127 states and 230 transitions. [2019-10-22 10:18:33,198 INFO L276 IsEmpty]: Start isEmpty. Operand 127 states and 230 transitions. [2019-10-22 10:18:33,199 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2019-10-22 10:18:33,200 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:18:33,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:18:33,225 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-10-22 10:18:33,276 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:18:33,277 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 230 states to 125 states and 226 transitions. [2019-10-22 10:18:33,277 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 226 transitions. [2019-10-22 10:18:33,279 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2019-10-22 10:18:33,279 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:18:33,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:18:33,668 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 8 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2019-10-22 10:18:34,823 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:18:34,824 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 258 states to 132 states and 254 transitions. [2019-10-22 10:18:34,824 INFO L276 IsEmpty]: Start isEmpty. Operand 132 states and 254 transitions. [2019-10-22 10:18:34,825 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2019-10-22 10:18:34,825 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:18:34,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:18:34,852 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-10-22 10:18:35,487 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:18:35,489 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 292 states to 143 states and 288 transitions. [2019-10-22 10:18:35,489 INFO L276 IsEmpty]: Start isEmpty. Operand 143 states and 288 transitions. [2019-10-22 10:18:35,490 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2019-10-22 10:18:35,490 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:18:35,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:18:35,535 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-10-22 10:18:35,740 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:18:35,741 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 293 states to 144 states and 289 transitions. [2019-10-22 10:18:35,741 INFO L276 IsEmpty]: Start isEmpty. Operand 144 states and 289 transitions. [2019-10-22 10:18:35,743 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2019-10-22 10:18:35,743 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:18:35,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:18:35,853 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 7 proven. 8 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-10-22 10:18:37,417 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:18:37,419 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 362 states to 159 states and 358 transitions. [2019-10-22 10:18:37,419 INFO L276 IsEmpty]: Start isEmpty. Operand 159 states and 358 transitions. [2019-10-22 10:18:37,420 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2019-10-22 10:18:37,420 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:18:37,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:18:37,460 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 7 proven. 8 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-10-22 10:18:37,476 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:18:37,477 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 363 states to 160 states and 359 transitions. [2019-10-22 10:18:37,478 INFO L276 IsEmpty]: Start isEmpty. Operand 160 states and 359 transitions. [2019-10-22 10:18:37,479 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2019-10-22 10:18:37,481 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:18:37,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:18:37,646 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-10-22 10:18:38,641 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:18:38,643 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 372 states to 165 states and 368 transitions. [2019-10-22 10:18:38,643 INFO L276 IsEmpty]: Start isEmpty. Operand 165 states and 368 transitions. [2019-10-22 10:18:38,644 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2019-10-22 10:18:38,644 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:18:38,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:18:38,677 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2019-10-22 10:18:39,225 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:18:39,227 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 399 states to 175 states and 395 transitions. [2019-10-22 10:18:39,227 INFO L276 IsEmpty]: Start isEmpty. Operand 175 states and 395 transitions. [2019-10-22 10:18:39,228 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2019-10-22 10:18:39,228 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:18:39,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:18:39,265 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-10-22 10:18:39,530 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:18:39,531 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 405 states to 177 states and 399 transitions. [2019-10-22 10:18:39,532 INFO L276 IsEmpty]: Start isEmpty. Operand 177 states and 399 transitions. [2019-10-22 10:18:39,533 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2019-10-22 10:18:39,533 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:18:39,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:18:39,560 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2019-10-22 10:18:40,147 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:18:40,149 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 425 states to 186 states and 419 transitions. [2019-10-22 10:18:40,149 INFO L276 IsEmpty]: Start isEmpty. Operand 186 states and 419 transitions. [2019-10-22 10:18:40,150 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2019-10-22 10:18:40,150 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:18:40,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:18:40,185 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-10-22 10:18:40,455 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:18:40,456 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 426 states to 187 states and 420 transitions. [2019-10-22 10:18:40,456 INFO L276 IsEmpty]: Start isEmpty. Operand 187 states and 420 transitions. [2019-10-22 10:18:40,457 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2019-10-22 10:18:40,457 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:18:40,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:18:40,484 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-10-22 10:18:40,788 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:18:40,789 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 427 states to 188 states and 421 transitions. [2019-10-22 10:18:40,789 INFO L276 IsEmpty]: Start isEmpty. Operand 188 states and 421 transitions. [2019-10-22 10:18:40,791 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2019-10-22 10:18:40,791 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:18:40,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:18:40,824 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 7 proven. 8 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-10-22 10:18:41,164 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:18:41,165 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 428 states to 189 states and 422 transitions. [2019-10-22 10:18:41,165 INFO L276 IsEmpty]: Start isEmpty. Operand 189 states and 422 transitions. [2019-10-22 10:18:41,167 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2019-10-22 10:18:41,167 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:18:41,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:18:41,191 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-10-22 10:18:41,235 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:18:41,236 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 429 states to 190 states and 422 transitions. [2019-10-22 10:18:41,236 INFO L276 IsEmpty]: Start isEmpty. Operand 190 states and 422 transitions. [2019-10-22 10:18:41,238 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2019-10-22 10:18:41,238 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:18:41,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:18:41,276 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2019-10-22 10:18:41,547 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:18:41,548 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 430 states to 191 states and 423 transitions. [2019-10-22 10:18:41,549 INFO L276 IsEmpty]: Start isEmpty. Operand 191 states and 423 transitions. [2019-10-22 10:18:41,550 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2019-10-22 10:18:41,550 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:18:41,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:18:41,577 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-10-22 10:18:42,650 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:18:42,651 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 497 states to 204 states and 475 transitions. [2019-10-22 10:18:42,651 INFO L276 IsEmpty]: Start isEmpty. Operand 204 states and 475 transitions. [2019-10-22 10:18:42,654 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2019-10-22 10:18:42,654 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:18:42,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:18:42,685 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-10-22 10:18:43,007 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:18:43,008 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 500 states to 206 states and 478 transitions. [2019-10-22 10:18:43,009 INFO L276 IsEmpty]: Start isEmpty. Operand 206 states and 478 transitions. [2019-10-22 10:18:43,010 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2019-10-22 10:18:43,010 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:18:43,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:18:43,038 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 7 proven. 8 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-10-22 10:18:43,404 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:18:43,405 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 501 states to 207 states and 479 transitions. [2019-10-22 10:18:43,405 INFO L276 IsEmpty]: Start isEmpty. Operand 207 states and 479 transitions. [2019-10-22 10:18:43,407 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2019-10-22 10:18:43,407 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:18:43,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:18:43,435 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-10-22 10:18:44,154 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:18:44,156 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 562 states to 206 states and 509 transitions. [2019-10-22 10:18:44,156 INFO L276 IsEmpty]: Start isEmpty. Operand 206 states and 509 transitions. [2019-10-22 10:18:44,157 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2019-10-22 10:18:44,157 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:18:44,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:18:44,180 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-10-22 10:18:44,442 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:18:44,443 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 568 states to 209 states and 515 transitions. [2019-10-22 10:18:44,443 INFO L276 IsEmpty]: Start isEmpty. Operand 209 states and 515 transitions. [2019-10-22 10:18:44,444 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2019-10-22 10:18:44,444 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:18:44,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:18:44,468 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-10-22 10:18:44,742 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:18:44,743 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 569 states to 210 states and 516 transitions. [2019-10-22 10:18:44,743 INFO L276 IsEmpty]: Start isEmpty. Operand 210 states and 516 transitions. [2019-10-22 10:18:44,744 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2019-10-22 10:18:44,745 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:18:44,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:18:45,352 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-10-22 10:18:49,930 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:18:49,932 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 666 states to 228 states and 591 transitions. [2019-10-22 10:18:49,932 INFO L276 IsEmpty]: Start isEmpty. Operand 228 states and 591 transitions. [2019-10-22 10:18:49,933 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2019-10-22 10:18:49,934 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:18:49,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:18:49,956 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-10-22 10:18:50,534 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:18:50,535 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 674 states to 227 states and 588 transitions. [2019-10-22 10:18:50,535 INFO L276 IsEmpty]: Start isEmpty. Operand 227 states and 588 transitions. [2019-10-22 10:18:50,536 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2019-10-22 10:18:50,536 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:18:50,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:18:50,562 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 9 proven. 8 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-10-22 10:18:53,103 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:18:53,105 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 687 states to 234 states and 601 transitions. [2019-10-22 10:18:53,105 INFO L276 IsEmpty]: Start isEmpty. Operand 234 states and 601 transitions. [2019-10-22 10:18:53,106 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2019-10-22 10:18:53,106 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:18:53,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:18:53,131 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 9 proven. 8 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-10-22 10:18:53,893 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:18:53,894 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 733 states to 238 states and 647 transitions. [2019-10-22 10:18:53,894 INFO L276 IsEmpty]: Start isEmpty. Operand 238 states and 647 transitions. [2019-10-22 10:18:53,895 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2019-10-22 10:18:53,895 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:18:54,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-10-22 10:18:54,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-10-22 10:18:54,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-10-22 10:18:54,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-10-22 10:18:54,929 WARN L489 CodeCheckObserver]: This program is UNSAFE, Check terminated with 41 iterations. [2019-10-22 10:18:55,135 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 22.10 10:18:55 ImpRootNode [2019-10-22 10:18:55,135 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2019-10-22 10:18:55,135 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-10-22 10:18:55,136 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-10-22 10:18:55,136 INFO L275 PluginConnector]: Witness Printer initialized [2019-10-22 10:18:55,143 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 10:18:28" (3/4) ... [2019-10-22 10:18:55,145 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2019-10-22 10:18:55,268 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_a3f1bf4e-d7f4-4ba0-bc75-9e81fdd8638f/bin/ukojak/witness.graphml [2019-10-22 10:18:55,269 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-10-22 10:18:55,273 INFO L168 Benchmark]: Toolchain (without parser) took 28207.42 ms. Allocated memory was 1.0 GB in the beginning and 1.6 GB in the end (delta: 530.1 MB). Free memory was 945.8 MB in the beginning and 1.3 GB in the end (delta: -342.6 MB). Peak memory consumption was 187.5 MB. Max. memory is 11.5 GB. [2019-10-22 10:18:55,273 INFO L168 Benchmark]: CDTParser took 0.18 ms. Allocated memory is still 1.0 GB. Free memory is still 966.0 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-10-22 10:18:55,274 INFO L168 Benchmark]: CACSL2BoogieTranslator took 502.82 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 147.3 MB). Free memory was 945.8 MB in the beginning and 1.1 GB in the end (delta: -182.7 MB). Peak memory consumption was 23.2 MB. Max. memory is 11.5 GB. [2019-10-22 10:18:55,274 INFO L168 Benchmark]: Boogie Procedure Inliner took 44.12 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: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. [2019-10-22 10:18:55,274 INFO L168 Benchmark]: Boogie Preprocessor took 25.27 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: 1.3 MB). Peak memory consumption was 1.3 MB. Max. memory is 11.5 GB. [2019-10-22 10:18:55,275 INFO L168 Benchmark]: RCFGBuilder took 1026.00 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 76.2 MB). Peak memory consumption was 76.2 MB. Max. memory is 11.5 GB. [2019-10-22 10:18:55,275 INFO L168 Benchmark]: CodeCheck took 26470.25 ms. Allocated memory was 1.2 GB in the beginning and 1.6 GB in the end (delta: 382.7 MB). Free memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: -270.8 MB). Peak memory consumption was 111.9 MB. Max. memory is 11.5 GB. [2019-10-22 10:18:55,275 INFO L168 Benchmark]: Witness Printer took 135.47 ms. Allocated memory is still 1.6 GB. Free memory was 1.3 GB in the beginning and 1.3 GB in the end (delta: 30.7 MB). Peak memory consumption was 30.7 MB. Max. memory is 11.5 GB. [2019-10-22 10:18:55,276 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 7 procedures, 47 locations, 1 error locations. Result: UNSAFE, OverallTime: 26.2s, OverallIterations: 41, TraceHistogramMax: 0, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: -1722258736 SDtfs, 1514505376 SDslu, 612219344 SDs, 0 SdLazy, 1664586762 SolverSat, 838053478 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 32.3s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 18326 GetRequests, 17883 SyntacticMatches, 53 SemanticMatches, 390 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 68345 ImplicationChecksByTransitivity, 20.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.1s SsaConstructionTime, 0.6s SatisfiabilityAnalysisTime, 2.1s InterpolantComputationTime, 1523 NumberOfCodeBlocks, 1523 NumberOfCodeBlocksAsserted, 41 NumberOfCheckSat, 1432 ConstructedInterpolants, 0 QuantifiedInterpolants, 134287 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 40 InterpolantComputations, 33 PerfectInterpolantSequences, 350/399 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - CounterExampleResult [Line: 284]: a call of __VERIFIER_error() is reachable a call of __VERIFIER_error() is reachable We found a FailurePath: [L85] int waterLevel = 1; [L86] int methaneLevelCritical = 0; [L179] int cleanupTimeShifts = 4; [L292] int pumpRunning = 0; [L293] int systemActive = 1; [L679] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L876] int methAndRunningLastTime ; [L257] int retValue_acc ; [L258] int tmp ; [L69] int retValue_acc ; [L72] retValue_acc = 1 [L73] return (retValue_acc); [L264] tmp = valid_product() [L266] COND TRUE \read(tmp) [L881] methAndRunningLastTime = 0 [L446] int splverifierCounter ; [L447] int tmp ; [L448] int tmp___0 ; [L449] int tmp___1 ; [L450] int tmp___2 ; [L453] splverifierCounter = 0 VAL [cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L455] COND TRUE 1 VAL [cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L457] COND TRUE splverifierCounter < 4 [L463] tmp = __VERIFIER_nondet_int() [L465] COND TRUE \read(tmp) VAL [cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L467] CALL waterRise() VAL [\old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L103] COND TRUE waterLevel < 2 [L104] waterLevel = waterLevel + 1 [L467] RET waterRise() VAL [cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L473] tmp___0 = __VERIFIER_nondet_int() [L475] COND TRUE \read(tmp___0) VAL [cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L477] CALL changeMethaneLevel() VAL [\old(methaneLevelCritical)=0, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L115] COND FALSE !(\read(methaneLevelCritical)) [L118] methaneLevelCritical = 1 [L477] RET changeMethaneLevel() VAL [cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2] [L483] tmp___2 = __VERIFIER_nondet_int() [L485] COND FALSE !(\read(tmp___2)) [L489] tmp___1 = __VERIFIER_nondet_int() [L491] COND TRUE \read(tmp___1) VAL [cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2] [L498] CALL timeShift() VAL [\old(methAndRunningLastTime)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2] [L300] COND FALSE !(\read(pumpRunning)) VAL [\old(methAndRunningLastTime)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2] [L307] COND TRUE \read(systemActive) [L329] int tmp ; VAL [\old(methAndRunningLastTime)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2] [L332] COND TRUE ! pumpRunning [L426] int retValue_acc ; [L427] int tmp ; [L428] int tmp___0 ; [L165] int retValue_acc ; [L168] COND FALSE !(waterLevel < 2) [L172] retValue_acc = 0 [L173] return (retValue_acc); [L432] tmp = isHighWaterSensorDry() [L434] COND FALSE !(\read(tmp)) [L437] tmp___0 = 1 [L439] retValue_acc = tmp___0 [L440] return (retValue_acc); [L334] tmp = isHighWaterLevel() [L336] COND TRUE \read(tmp) [L357] pumpRunning = 1 VAL [\old(methAndRunningLastTime)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2] [L886] int tmp ; [L887] int tmp___0 ; VAL [\old(methAndRunningLastTime)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2] [L891] CALL, EXPR isMethaneLevelCritical() VAL [\old(methAndRunningLastTime)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2] [L124] int retValue_acc ; [L127] retValue_acc = methaneLevelCritical [L128] return (retValue_acc); [L891] RET, EXPR isMethaneLevelCritical() VAL [\old(methAndRunningLastTime)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2] [L891] tmp = isMethaneLevelCritical() [L893] COND TRUE \read(tmp) [L381] int retValue_acc ; [L384] retValue_acc = pumpRunning [L385] return (retValue_acc); [L895] tmp___0 = isPumpRunning() [L897] COND TRUE \read(tmp___0) VAL [\old(methAndRunningLastTime)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2] [L898] COND FALSE !(\read(methAndRunningLastTime)) [L903] methAndRunningLastTime = 1 VAL [\old(methAndRunningLastTime)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2] [L498] RET timeShift() VAL [cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2] [L455] COND TRUE 1 VAL [cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2] [L457] COND TRUE splverifierCounter < 4 [L463] tmp = __VERIFIER_nondet_int() [L465] COND FALSE !(\read(tmp)) VAL [cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2] [L473] tmp___0 = __VERIFIER_nondet_int() [L475] COND FALSE !(\read(tmp___0)) VAL [cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2] [L483] tmp___2 = __VERIFIER_nondet_int() [L485] COND FALSE !(\read(tmp___2)) [L489] tmp___1 = __VERIFIER_nondet_int() [L491] COND TRUE \read(tmp___1) VAL [cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2] [L498] CALL timeShift() VAL [\old(methAndRunningLastTime)=1, \old(pumpRunning)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2] [L300] COND TRUE \read(pumpRunning) [L91] COND TRUE waterLevel > 0 [L92] waterLevel = waterLevel - 1 VAL [\old(methAndRunningLastTime)=1, \old(pumpRunning)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=1] [L307] COND TRUE \read(systemActive) [L329] int tmp ; VAL [\old(methAndRunningLastTime)=1, \old(pumpRunning)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=1] [L332] COND FALSE !(! pumpRunning) VAL [\old(methAndRunningLastTime)=1, \old(pumpRunning)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=1] [L347] FCALL processEnvironment__wrappee__base() VAL [\old(methAndRunningLastTime)=1, \old(pumpRunning)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=1] [L886] int tmp ; [L887] int tmp___0 ; VAL [\old(methAndRunningLastTime)=1, \old(pumpRunning)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=1] [L891] CALL, EXPR isMethaneLevelCritical() VAL [\old(methAndRunningLastTime)=1, \old(pumpRunning)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=1] [L124] int retValue_acc ; [L127] retValue_acc = methaneLevelCritical [L128] return (retValue_acc); [L891] RET, EXPR isMethaneLevelCritical() VAL [\old(methAndRunningLastTime)=1, \old(pumpRunning)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=1] [L891] tmp = isMethaneLevelCritical() [L893] COND TRUE \read(tmp) [L381] int retValue_acc ; [L384] retValue_acc = pumpRunning [L385] return (retValue_acc); [L895] tmp___0 = isPumpRunning() [L897] COND TRUE \read(tmp___0) VAL [\old(methAndRunningLastTime)=1, \old(pumpRunning)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=1] [L898] COND TRUE \read(methAndRunningLastTime) VAL [\old(methAndRunningLastTime)=1, \old(pumpRunning)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=1] [L284] __VERIFIER_error() VAL [\old(methAndRunningLastTime)=1, \old(pumpRunning)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=1] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18 ms. Allocated memory is still 1.0 GB. Free memory is still 966.0 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 502.82 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 147.3 MB). Free memory was 945.8 MB in the beginning and 1.1 GB in the end (delta: -182.7 MB). Peak memory consumption was 23.2 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 44.12 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: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 25.27 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: 1.3 MB). Peak memory consumption was 1.3 MB. Max. memory is 11.5 GB. * RCFGBuilder took 1026.00 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 76.2 MB). Peak memory consumption was 76.2 MB. Max. memory is 11.5 GB. * CodeCheck took 26470.25 ms. Allocated memory was 1.2 GB in the beginning and 1.6 GB in the end (delta: 382.7 MB). Free memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: -270.8 MB). Peak memory consumption was 111.9 MB. Max. memory is 11.5 GB. * Witness Printer took 135.47 ms. Allocated memory is still 1.6 GB. Free memory was 1.3 GB in the beginning and 1.3 GB in the end (delta: 30.7 MB). Peak memory consumption was 30.7 MB. Max. memory is 11.5 GB. RESULT: Ultimate proved your program to be incorrect! Received shutdown request...