./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec3_product25_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_f8fd614b-3259-41cb-b2f9-75cc6c230e24/bin-2019/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_f8fd614b-3259-41cb-b2f9-75cc6c230e24/bin-2019/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_f8fd614b-3259-41cb-b2f9-75cc6c230e24/bin-2019/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_f8fd614b-3259-41cb-b2f9-75cc6c230e24/bin-2019/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec3_product25_false-unreach-call_false-termination.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_f8fd614b-3259-41cb-b2f9-75cc6c230e24/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_f8fd614b-3259-41cb-b2f9-75cc6c230e24/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 87372a1a98819a475f7685500d732b7a3f8e7449 .............................................................................................................................................................................................................................................................................................................................................. 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 [2018-12-01 19:30:31,383 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-01 19:30:31,384 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-01 19:30:31,390 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-01 19:30:31,390 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-01 19:30:31,390 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-01 19:30:31,391 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-01 19:30:31,392 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-01 19:30:31,393 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-01 19:30:31,393 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-01 19:30:31,394 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-01 19:30:31,394 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-01 19:30:31,394 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-01 19:30:31,395 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-01 19:30:31,396 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-01 19:30:31,396 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-01 19:30:31,396 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-01 19:30:31,397 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-01 19:30:31,398 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-01 19:30:31,399 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-01 19:30:31,400 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-01 19:30:31,400 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-01 19:30:31,401 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-01 19:30:31,402 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-01 19:30:31,402 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-01 19:30:31,402 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-01 19:30:31,403 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-01 19:30:31,403 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-01 19:30:31,404 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-01 19:30:31,404 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-01 19:30:31,404 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-01 19:30:31,405 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-01 19:30:31,405 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-01 19:30:31,405 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-01 19:30:31,406 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-01 19:30:31,406 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-01 19:30:31,406 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_f8fd614b-3259-41cb-b2f9-75cc6c230e24/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2018-12-01 19:30:31,413 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-01 19:30:31,413 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-01 19:30:31,414 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-01 19:30:31,414 INFO L133 SettingsManager]: * ... to procedures called more than once=ALWAYS [2018-12-01 19:30:31,414 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-12-01 19:30:31,415 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-12-01 19:30:31,415 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-01 19:30:31,415 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-01 19:30:31,415 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-01 19:30:31,415 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-01 19:30:31,415 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-01 19:30:31,415 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-01 19:30:31,415 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-01 19:30:31,416 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-01 19:30:31,416 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-01 19:30:31,416 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-01 19:30:31,416 INFO L133 SettingsManager]: * Use constant arrays=true [2018-12-01 19:30:31,416 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-01 19:30:31,416 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-12-01 19:30:31,416 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-12-01 19:30:31,416 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-01 19:30:31,417 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-01 19:30:31,417 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-12-01 19:30:31,417 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-01 19:30:31,417 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-01 19:30:31,417 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-01 19:30:31,417 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-12-01 19:30:31,417 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-01 19:30:31,417 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-12-01 19:30:31,418 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_f8fd614b-3259-41cb-b2f9-75cc6c230e24/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 -> 87372a1a98819a475f7685500d732b7a3f8e7449 [2018-12-01 19:30:31,435 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-01 19:30:31,442 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-01 19:30:31,444 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-01 19:30:31,444 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-01 19:30:31,445 INFO L276 PluginConnector]: CDTParser initialized [2018-12-01 19:30:31,445 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_f8fd614b-3259-41cb-b2f9-75cc6c230e24/bin-2019/ukojak/../../sv-benchmarks/c/product-lines/minepump_spec3_product25_false-unreach-call_false-termination.cil.c [2018-12-01 19:30:31,479 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_f8fd614b-3259-41cb-b2f9-75cc6c230e24/bin-2019/ukojak/data/4c65147e1/6c030d34b9f24c95a509bae502d1eab5/FLAGf57d853b2 [2018-12-01 19:30:31,949 INFO L307 CDTParser]: Found 1 translation units. [2018-12-01 19:30:31,949 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_f8fd614b-3259-41cb-b2f9-75cc6c230e24/sv-benchmarks/c/product-lines/minepump_spec3_product25_false-unreach-call_false-termination.cil.c [2018-12-01 19:30:31,955 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_f8fd614b-3259-41cb-b2f9-75cc6c230e24/bin-2019/ukojak/data/4c65147e1/6c030d34b9f24c95a509bae502d1eab5/FLAGf57d853b2 [2018-12-01 19:30:32,464 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_f8fd614b-3259-41cb-b2f9-75cc6c230e24/bin-2019/ukojak/data/4c65147e1/6c030d34b9f24c95a509bae502d1eab5 [2018-12-01 19:30:32,465 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-01 19:30:32,466 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-01 19:30:32,467 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-01 19:30:32,467 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-01 19:30:32,469 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-01 19:30:32,469 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 07:30:32" (1/1) ... [2018-12-01 19:30:32,471 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6a96ab85 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 07:30:32, skipping insertion in model container [2018-12-01 19:30:32,471 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 07:30:32" (1/1) ... [2018-12-01 19:30:32,475 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-01 19:30:32,494 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-01 19:30:32,636 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-01 19:30:32,675 INFO L191 MainTranslator]: Completed pre-run [2018-12-01 19:30:32,713 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-01 19:30:32,727 INFO L195 MainTranslator]: Completed translation [2018-12-01 19:30:32,727 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 07:30:32 WrapperNode [2018-12-01 19:30:32,727 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-01 19:30:32,728 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-01 19:30:32,728 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-01 19:30:32,728 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-01 19:30:32,733 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 07:30:32" (1/1) ... [2018-12-01 19:30:32,741 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 07:30:32" (1/1) ... [2018-12-01 19:30:32,757 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-01 19:30:32,757 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-01 19:30:32,757 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-01 19:30:32,757 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-01 19:30:32,763 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 07:30:32" (1/1) ... [2018-12-01 19:30:32,763 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 07:30:32" (1/1) ... [2018-12-01 19:30:32,764 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 07:30:32" (1/1) ... [2018-12-01 19:30:32,765 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 07:30:32" (1/1) ... [2018-12-01 19:30:32,768 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 07:30:32" (1/1) ... [2018-12-01 19:30:32,771 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 07:30:32" (1/1) ... [2018-12-01 19:30:32,772 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 07:30:32" (1/1) ... [2018-12-01 19:30:32,773 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-01 19:30:32,774 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-01 19:30:32,774 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-01 19:30:32,774 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-01 19:30:32,774 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 07:30:32" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_f8fd614b-3259-41cb-b2f9-75cc6c230e24/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 [2018-12-01 19:30:32,805 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-12-01 19:30:32,805 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2018-12-01 19:30:32,805 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2018-12-01 19:30:32,806 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2018-12-01 19:30:32,806 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2018-12-01 19:30:32,806 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2018-12-01 19:30:32,806 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2018-12-01 19:30:32,806 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2018-12-01 19:30:32,806 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2018-12-01 19:30:32,806 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2018-12-01 19:30:32,806 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2018-12-01 19:30:32,806 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2018-12-01 19:30:32,806 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2018-12-01 19:30:32,806 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2018-12-01 19:30:32,807 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-01 19:30:32,807 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-01 19:30:33,208 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-01 19:30:33,208 INFO L280 CfgBuilder]: Removed 36 assue(true) statements. [2018-12-01 19:30:33,208 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 07:30:33 BoogieIcfgContainer [2018-12-01 19:30:33,208 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-01 19:30:33,208 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-12-01 19:30:33,209 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-12-01 19:30:33,216 INFO L276 PluginConnector]: CodeCheck initialized [2018-12-01 19:30:33,216 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 07:30:33" (1/1) ... [2018-12-01 19:30:33,225 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-01 19:30:33,245 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 19:30:33,252 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62 states to 47 states and 62 transitions. [2018-12-01 19:30:33,252 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 62 transitions. [2018-12-01 19:30:33,256 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2018-12-01 19:30:33,256 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 19:30:33,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 19:30:33,386 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 19:30:33,393 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 19:30:33,394 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 47 states and 60 transitions. [2018-12-01 19:30:33,394 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 60 transitions. [2018-12-01 19:30:33,394 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-12-01 19:30:33,394 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 19:30:33,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 19:30:33,440 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 19:30:33,458 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 19:30:33,459 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 49 states and 63 transitions. [2018-12-01 19:30:33,459 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 63 transitions. [2018-12-01 19:30:33,460 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2018-12-01 19:30:33,460 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 19:30:33,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 19:30:33,513 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 19:30:33,589 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 19:30:33,590 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81 states to 58 states and 81 transitions. [2018-12-01 19:30:33,591 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 81 transitions. [2018-12-01 19:30:33,591 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2018-12-01 19:30:33,591 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 19:30:33,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 19:30:33,623 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 19:30:33,629 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 19:30:33,630 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 59 states and 82 transitions. [2018-12-01 19:30:33,631 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 82 transitions. [2018-12-01 19:30:33,631 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2018-12-01 19:30:33,631 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 19:30:33,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 19:30:33,658 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 19:30:33,665 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 19:30:33,666 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 83 states to 60 states and 83 transitions. [2018-12-01 19:30:33,666 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 83 transitions. [2018-12-01 19:30:33,667 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2018-12-01 19:30:33,667 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 19:30:33,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 19:30:33,710 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 19:30:33,851 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 19:30:33,852 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 104 states to 70 states and 104 transitions. [2018-12-01 19:30:33,852 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 104 transitions. [2018-12-01 19:30:33,853 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2018-12-01 19:30:33,853 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 19:30:33,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 19:30:33,904 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 19:30:34,151 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 19:30:34,153 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 140 states to 86 states and 140 transitions. [2018-12-01 19:30:34,153 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 140 transitions. [2018-12-01 19:30:34,154 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2018-12-01 19:30:34,154 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 19:30:34,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-01 19:30:34,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-01 19:30:34,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-01 19:30:34,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-01 19:30:34,316 WARN L497 CodeCheckObserver]: This program is UNSAFE, Check terminated with 8 iterations. [2018-12-01 19:30:34,398 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 01.12 07:30:34 ImpRootNode [2018-12-01 19:30:34,398 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2018-12-01 19:30:34,399 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-01 19:30:34,399 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-01 19:30:34,399 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-01 19:30:34,400 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 07:30:33" (3/4) ... [2018-12-01 19:30:34,401 INFO L138 WitnessPrinter]: Generating witness for reachability counterexample [2018-12-01 19:30:34,468 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_f8fd614b-3259-41cb-b2f9-75cc6c230e24/bin-2019/ukojak/witness.graphml [2018-12-01 19:30:34,468 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-01 19:30:34,468 INFO L168 Benchmark]: Toolchain (without parser) took 2002.79 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 62.4 MB). Free memory was 961.4 MB in the beginning and 752.9 MB in the end (delta: 208.4 MB). Peak memory consumption was 270.8 MB. Max. memory is 11.5 GB. [2018-12-01 19:30:34,470 INFO L168 Benchmark]: CDTParser took 0.11 ms. Allocated memory is still 1.0 GB. Free memory is still 982.3 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-01 19:30:34,470 INFO L168 Benchmark]: CACSL2BoogieTranslator took 260.81 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 62.4 MB). Free memory was 956.0 MB in the beginning and 1.0 GB in the end (delta: -89.2 MB). Peak memory consumption was 24.6 MB. Max. memory is 11.5 GB. [2018-12-01 19:30:34,470 INFO L168 Benchmark]: Boogie Procedure Inliner took 29.17 ms. Allocated memory is still 1.1 GB. Free memory is still 1.0 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-01 19:30:34,470 INFO L168 Benchmark]: Boogie Preprocessor took 16.53 ms. Allocated memory is still 1.1 GB. Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 1.5 MB). Peak memory consumption was 1.5 MB. Max. memory is 11.5 GB. [2018-12-01 19:30:34,471 INFO L168 Benchmark]: RCFGBuilder took 434.50 ms. Allocated memory is still 1.1 GB. Free memory was 1.0 GB in the beginning and 973.5 MB in the end (delta: 70.3 MB). Peak memory consumption was 70.3 MB. Max. memory is 11.5 GB. [2018-12-01 19:30:34,471 INFO L168 Benchmark]: CodeCheck took 1190.00 ms. Allocated memory is still 1.1 GB. Free memory was 973.5 MB in the beginning and 760.2 MB in the end (delta: 213.3 MB). Peak memory consumption was 213.3 MB. Max. memory is 11.5 GB. [2018-12-01 19:30:34,471 INFO L168 Benchmark]: Witness Printer took 69.21 ms. Allocated memory is still 1.1 GB. Free memory was 760.2 MB in the beginning and 752.9 MB in the end (delta: 7.3 MB). Peak memory consumption was 7.3 MB. Max. memory is 11.5 GB. [2018-12-01 19:30:34,472 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 7 procedures, 67 locations, 1 error locations. UNSAFE Result, 1.0s OverallTime, 8 OverallIterations, 0 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 2808 SDtfs, 868 SDslu, 1332 SDs, 0 SdLazy, 1140 SolverSat, 292 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.3s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 1162 GetRequests, 1128 SyntacticMatches, 0 SemanticMatches, 34 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 322 ImplicationChecksByTransitivity, 0.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 174 NumberOfCodeBlocks, 174 NumberOfCodeBlocksAsserted, 8 NumberOfCheckSat, 140 ConstructedInterpolants, 0 QuantifiedInterpolants, 6332 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 7 InterpolantComputations, 7 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: 82]: a call of __VERIFIER_error() is reachable a call of __VERIFIER_error() is reachable We found a FailurePath: [L256] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L458] int waterLevel = 1; [L459] int methaneLevelCritical = 0; [L585] int cleanupTimeShifts = 4; [L686] int pumpRunning = 0; [L687] int systemActive = 1; [L661] int retValue_acc ; [L662] int tmp ; [L576] int retValue_acc ; [L579] retValue_acc = 1 [L580] return (retValue_acc); [L668] tmp = valid_product() [L670] COND TRUE \read(tmp) [L857] int splverifierCounter ; [L858] int tmp ; [L859] int tmp___0 ; [L860] int tmp___1 ; [L861] int tmp___2 ; [L864] splverifierCounter = 0 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L866] COND TRUE 1 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L868] COND TRUE splverifierCounter < 4 [L874] tmp = __VERIFIER_nondet_int() [L876] COND TRUE \read(tmp) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L878] CALL waterRise() VAL [\old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L476] COND TRUE waterLevel < 2 [L477] waterLevel = waterLevel + 1 [L878] RET waterRise() VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L884] tmp___0 = __VERIFIER_nondet_int() [L886] COND FALSE !(\read(tmp___0)) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L894] tmp___2 = __VERIFIER_nondet_int() [L896] COND TRUE \read(tmp___2) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L909] CALL timeShift() VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L693] COND FALSE !(\read(pumpRunning)) VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L700] COND TRUE \read(systemActive) [L722] int tmp ; VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L725] COND FALSE !(\read(pumpRunning)) VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L740] FCALL processEnvironment__wrappee__base() VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L45] int tmp ; [L46] int tmp___0 ; [L47] int tmp___1 ; VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L51] CALL, EXPR isMethaneLevelCritical() VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L497] int retValue_acc ; [L500] retValue_acc = methaneLevelCritical [L501] return (retValue_acc); [L51] RET, EXPR isMethaneLevelCritical() VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L51] tmp = isMethaneLevelCritical() [L53] COND FALSE !(\read(tmp)) [L529] int retValue_acc ; [L532] retValue_acc = waterLevel [L533] return (retValue_acc); [L57] tmp___0 = getWaterLevel() [L59] COND TRUE tmp___0 == 2 [L792] int retValue_acc ; [L795] retValue_acc = pumpRunning [L796] return (retValue_acc); [L61] tmp___1 = isPumpRunning() [L63] COND FALSE !(\read(tmp___1)) VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L82] __VERIFIER_error() VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, 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 982.3 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 260.81 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 62.4 MB). Free memory was 956.0 MB in the beginning and 1.0 GB in the end (delta: -89.2 MB). Peak memory consumption was 24.6 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 29.17 ms. Allocated memory is still 1.1 GB. Free memory is still 1.0 GB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 16.53 ms. Allocated memory is still 1.1 GB. Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 1.5 MB). Peak memory consumption was 1.5 MB. Max. memory is 11.5 GB. * RCFGBuilder took 434.50 ms. Allocated memory is still 1.1 GB. Free memory was 1.0 GB in the beginning and 973.5 MB in the end (delta: 70.3 MB). Peak memory consumption was 70.3 MB. Max. memory is 11.5 GB. * CodeCheck took 1190.00 ms. Allocated memory is still 1.1 GB. Free memory was 973.5 MB in the beginning and 760.2 MB in the end (delta: 213.3 MB). Peak memory consumption was 213.3 MB. Max. memory is 11.5 GB. * Witness Printer took 69.21 ms. Allocated memory is still 1.1 GB. Free memory was 760.2 MB in the beginning and 752.9 MB in the end (delta: 7.3 MB). Peak memory consumption was 7.3 MB. Max. memory is 11.5 GB. RESULT: Ultimate proved your program to be incorrect! Received shutdown request...