./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec3_product17_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_8adad2d4-337f-4b83-a80b-16ffec2a5f62/bin-2019/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_8adad2d4-337f-4b83-a80b-16ffec2a5f62/bin-2019/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_8adad2d4-337f-4b83-a80b-16ffec2a5f62/bin-2019/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_8adad2d4-337f-4b83-a80b-16ffec2a5f62/bin-2019/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec3_product17_false-unreach-call_false-termination.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_8adad2d4-337f-4b83-a80b-16ffec2a5f62/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_8adad2d4-337f-4b83-a80b-16ffec2a5f62/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 5ac89a83bf5f8cec9ed1c7380129a7935c1d366c .............................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE --- Real Ultimate output --- This is Ultimate 0.1.23-635dfa2 [2018-12-02 13:22:01,691 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-02 13:22:01,691 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-02 13:22:01,697 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-02 13:22:01,698 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-02 13:22:01,698 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-02 13:22:01,699 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-02 13:22:01,699 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-02 13:22:01,700 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-02 13:22:01,701 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-02 13:22:01,701 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-02 13:22:01,701 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-02 13:22:01,702 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-02 13:22:01,702 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-02 13:22:01,703 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-02 13:22:01,703 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-02 13:22:01,703 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-02 13:22:01,704 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-02 13:22:01,705 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-02 13:22:01,706 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-02 13:22:01,706 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-02 13:22:01,707 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-02 13:22:01,708 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-02 13:22:01,708 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-02 13:22:01,708 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-02 13:22:01,709 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-02 13:22:01,709 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-02 13:22:01,709 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-02 13:22:01,710 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-02 13:22:01,710 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-02 13:22:01,710 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-02 13:22:01,711 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-02 13:22:01,711 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-02 13:22:01,711 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-02 13:22:01,711 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-02 13:22:01,712 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-02 13:22:01,712 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_8adad2d4-337f-4b83-a80b-16ffec2a5f62/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2018-12-02 13:22:01,719 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-02 13:22:01,719 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-02 13:22:01,719 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-02 13:22:01,720 INFO L133 SettingsManager]: * ... to procedures called more than once=ALWAYS [2018-12-02 13:22:01,720 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-12-02 13:22:01,720 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-12-02 13:22:01,720 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-02 13:22:01,720 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-02 13:22:01,720 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-02 13:22:01,720 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-02 13:22:01,720 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-02 13:22:01,721 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-02 13:22:01,721 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-02 13:22:01,721 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-02 13:22:01,721 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-02 13:22:01,721 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-02 13:22:01,721 INFO L133 SettingsManager]: * Use constant arrays=true [2018-12-02 13:22:01,721 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-02 13:22:01,721 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-12-02 13:22:01,721 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-12-02 13:22:01,721 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-02 13:22:01,721 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-02 13:22:01,721 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-12-02 13:22:01,721 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-02 13:22:01,722 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-02 13:22:01,722 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-02 13:22:01,722 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-12-02 13:22:01,722 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-02 13:22:01,722 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-12-02 13:22:01,722 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_8adad2d4-337f-4b83-a80b-16ffec2a5f62/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 -> 5ac89a83bf5f8cec9ed1c7380129a7935c1d366c [2018-12-02 13:22:01,739 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-02 13:22:01,747 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-02 13:22:01,750 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-02 13:22:01,750 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-02 13:22:01,751 INFO L276 PluginConnector]: CDTParser initialized [2018-12-02 13:22:01,751 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_8adad2d4-337f-4b83-a80b-16ffec2a5f62/bin-2019/ukojak/../../sv-benchmarks/c/product-lines/minepump_spec3_product17_false-unreach-call_false-termination.cil.c [2018-12-02 13:22:01,782 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_8adad2d4-337f-4b83-a80b-16ffec2a5f62/bin-2019/ukojak/data/23b52db70/54a62695259148d78f8f3ae757b71853/FLAG4889ab741 [2018-12-02 13:22:02,236 INFO L307 CDTParser]: Found 1 translation units. [2018-12-02 13:22:02,237 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_8adad2d4-337f-4b83-a80b-16ffec2a5f62/sv-benchmarks/c/product-lines/minepump_spec3_product17_false-unreach-call_false-termination.cil.c [2018-12-02 13:22:02,243 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_8adad2d4-337f-4b83-a80b-16ffec2a5f62/bin-2019/ukojak/data/23b52db70/54a62695259148d78f8f3ae757b71853/FLAG4889ab741 [2018-12-02 13:22:02,252 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_8adad2d4-337f-4b83-a80b-16ffec2a5f62/bin-2019/ukojak/data/23b52db70/54a62695259148d78f8f3ae757b71853 [2018-12-02 13:22:02,254 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-02 13:22:02,254 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-02 13:22:02,255 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-02 13:22:02,255 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-02 13:22:02,258 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-02 13:22:02,259 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 01:22:02" (1/1) ... [2018-12-02 13:22:02,261 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2648fef5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:22:02, skipping insertion in model container [2018-12-02 13:22:02,261 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 01:22:02" (1/1) ... [2018-12-02 13:22:02,266 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-02 13:22:02,293 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-02 13:22:02,447 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-02 13:22:02,488 INFO L191 MainTranslator]: Completed pre-run [2018-12-02 13:22:02,527 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-02 13:22:02,542 INFO L195 MainTranslator]: Completed translation [2018-12-02 13:22:02,542 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:22:02 WrapperNode [2018-12-02 13:22:02,542 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-02 13:22:02,543 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-02 13:22:02,543 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-02 13:22:02,543 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-02 13:22:02,548 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:22:02" (1/1) ... [2018-12-02 13:22:02,557 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:22:02" (1/1) ... [2018-12-02 13:22:02,573 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-02 13:22:02,573 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-02 13:22:02,573 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-02 13:22:02,573 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-02 13:22:02,579 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:22:02" (1/1) ... [2018-12-02 13:22:02,579 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:22:02" (1/1) ... [2018-12-02 13:22:02,581 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:22:02" (1/1) ... [2018-12-02 13:22:02,581 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:22:02" (1/1) ... [2018-12-02 13:22:02,584 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:22:02" (1/1) ... [2018-12-02 13:22:02,588 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:22:02" (1/1) ... [2018-12-02 13:22:02,589 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:22:02" (1/1) ... [2018-12-02 13:22:02,590 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-02 13:22:02,591 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-02 13:22:02,591 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-02 13:22:02,591 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-02 13:22:02,591 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:22:02" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_8adad2d4-337f-4b83-a80b-16ffec2a5f62/bin-2019/ukojak/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-12-02 13:22:02,623 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-12-02 13:22:02,624 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2018-12-02 13:22:02,624 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2018-12-02 13:22:02,624 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2018-12-02 13:22:02,624 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2018-12-02 13:22:02,624 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2018-12-02 13:22:02,624 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2018-12-02 13:22:02,624 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2018-12-02 13:22:02,624 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2018-12-02 13:22:02,624 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2018-12-02 13:22:02,624 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2018-12-02 13:22:02,624 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2018-12-02 13:22:02,624 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2018-12-02 13:22:02,625 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2018-12-02 13:22:02,625 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-02 13:22:02,625 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-02 13:22:03,010 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-02 13:22:03,010 INFO L280 CfgBuilder]: Removed 36 assue(true) statements. [2018-12-02 13:22:03,011 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 01:22:03 BoogieIcfgContainer [2018-12-02 13:22:03,011 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-02 13:22:03,011 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-12-02 13:22:03,011 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-12-02 13:22:03,021 INFO L276 PluginConnector]: CodeCheck initialized [2018-12-02 13:22:03,021 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 01:22:03" (1/1) ... [2018-12-02 13:22:03,031 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 13:22:03,056 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 13:22:03,065 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62 states to 47 states and 62 transitions. [2018-12-02 13:22:03,066 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 62 transitions. [2018-12-02 13:22:03,069 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2018-12-02 13:22:03,070 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 13:22:03,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 13:22:03,212 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 13:22:03,222 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 13:22:03,223 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 47 states and 60 transitions. [2018-12-02 13:22:03,223 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 60 transitions. [2018-12-02 13:22:03,224 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-12-02 13:22:03,224 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 13:22:03,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 13:22:03,277 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 13:22:03,300 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 13:22:03,301 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 49 states and 63 transitions. [2018-12-02 13:22:03,301 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 63 transitions. [2018-12-02 13:22:03,302 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2018-12-02 13:22:03,302 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 13:22:03,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 13:22:03,348 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 13:22:03,417 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 13:22:03,418 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81 states to 58 states and 81 transitions. [2018-12-02 13:22:03,418 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 81 transitions. [2018-12-02 13:22:03,419 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2018-12-02 13:22:03,419 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 13:22:03,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 13:22:03,451 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 13:22:03,458 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 13:22:03,459 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 59 states and 82 transitions. [2018-12-02 13:22:03,459 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 82 transitions. [2018-12-02 13:22:03,460 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2018-12-02 13:22:03,460 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 13:22:03,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 13:22:03,487 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 13:22:03,494 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 13:22:03,495 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 83 states to 60 states and 83 transitions. [2018-12-02 13:22:03,495 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 83 transitions. [2018-12-02 13:22:03,495 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2018-12-02 13:22:03,495 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 13:22:03,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 13:22:03,536 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 13:22:03,662 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 13:22:03,663 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 104 states to 70 states and 104 transitions. [2018-12-02 13:22:03,663 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 104 transitions. [2018-12-02 13:22:03,664 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2018-12-02 13:22:03,664 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 13:22:03,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 13:22:03,686 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 13:22:03,695 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 13:22:03,696 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 105 states to 71 states and 105 transitions. [2018-12-02 13:22:03,696 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 105 transitions. [2018-12-02 13:22:03,697 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2018-12-02 13:22:03,697 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 13:22:03,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 13:22:03,716 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 13:22:03,721 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 13:22:03,722 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 106 states to 72 states and 106 transitions. [2018-12-02 13:22:03,722 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 106 transitions. [2018-12-02 13:22:03,723 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2018-12-02 13:22:03,723 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 13:22:03,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 13:22:03,785 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 13:22:04,126 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 13:22:04,127 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 143 states to 88 states and 143 transitions. [2018-12-02 13:22:04,128 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 143 transitions. [2018-12-02 13:22:04,128 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2018-12-02 13:22:04,129 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 13:22:04,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-02 13:22:04,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-02 13:22:04,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-02 13:22:04,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-02 13:22:04,289 WARN L497 CodeCheckObserver]: This program is UNSAFE, Check terminated with 10 iterations. [2018-12-02 13:22:04,343 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 02.12 01:22:04 ImpRootNode [2018-12-02 13:22:04,343 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2018-12-02 13:22:04,343 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-02 13:22:04,343 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-02 13:22:04,344 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-02 13:22:04,344 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 01:22:03" (3/4) ... [2018-12-02 13:22:04,345 INFO L138 WitnessPrinter]: Generating witness for reachability counterexample [2018-12-02 13:22:04,418 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_8adad2d4-337f-4b83-a80b-16ffec2a5f62/bin-2019/ukojak/witness.graphml [2018-12-02 13:22:04,418 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-02 13:22:04,419 INFO L168 Benchmark]: Toolchain (without parser) took 2164.78 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 94.4 MB). Free memory was 948.5 MB in the beginning and 1.0 GB in the end (delta: -58.6 MB). Peak memory consumption was 35.7 MB. Max. memory is 11.5 GB. [2018-12-02 13:22:04,420 INFO L168 Benchmark]: CDTParser took 0.11 ms. Allocated memory is still 1.0 GB. Free memory is still 976.9 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-02 13:22:04,420 INFO L168 Benchmark]: CACSL2BoogieTranslator took 287.43 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 94.4 MB). Free memory was 948.5 MB in the beginning and 1.1 GB in the end (delta: -135.3 MB). Peak memory consumption was 24.7 MB. Max. memory is 11.5 GB. [2018-12-02 13:22:04,420 INFO L168 Benchmark]: Boogie Procedure Inliner took 30.32 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2018-12-02 13:22:04,421 INFO L168 Benchmark]: Boogie Preprocessor took 17.21 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-02 13:22:04,421 INFO L168 Benchmark]: RCFGBuilder took 420.39 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 53.0 MB). Peak memory consumption was 53.0 MB. Max. memory is 11.5 GB. [2018-12-02 13:22:04,421 INFO L168 Benchmark]: CodeCheck took 1331.94 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: 8.0 MB). Peak memory consumption was 8.0 MB. Max. memory is 11.5 GB. [2018-12-02 13:22:04,421 INFO L168 Benchmark]: Witness Printer took 74.87 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: 10.4 MB). Peak memory consumption was 10.4 MB. Max. memory is 11.5 GB. [2018-12-02 13:22:04,423 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, 1.2s OverallTime, 10 OverallIterations, 0 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 11148 SDtfs, 3364 SDslu, 5124 SDs, 0 SdLazy, 4250 SolverSat, 1142 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.4s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 1552 GetRequests, 1511 SyntacticMatches, 1 SemanticMatches, 40 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 487 ImplicationChecksByTransitivity, 0.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 224 NumberOfCodeBlocks, 224 NumberOfCodeBlocksAsserted, 10 NumberOfCheckSat, 188 ConstructedInterpolants, 0 QuantifiedInterpolants, 8636 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 9 InterpolantComputations, 9 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: 506]: a call of __VERIFIER_error() is reachable a call of __VERIFIER_error() is reachable We found a FailurePath: [L209] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L413] int waterLevel = 1; [L414] int methaneLevelCritical = 0; [L582] int pumpRunning = 0; [L583] int systemActive = 1; [L735] int cleanupTimeShifts = 4; [L811] int retValue_acc ; [L812] int tmp ; [L860] int retValue_acc ; [L863] retValue_acc = 1 [L864] return (retValue_acc); [L818] tmp = valid_product() [L820] COND TRUE \read(tmp) [L514] int splverifierCounter ; [L515] int tmp ; [L516] int tmp___0 ; [L517] int tmp___1 ; [L518] int tmp___2 ; [L521] splverifierCounter = 0 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L523] COND TRUE 1 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L525] COND TRUE splverifierCounter < 4 [L531] tmp = __VERIFIER_nondet_int() [L533] COND TRUE \read(tmp) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L535] CALL waterRise() VAL [\old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L431] COND TRUE waterLevel < 2 [L432] waterLevel = waterLevel + 1 [L535] RET waterRise() VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L541] tmp___0 = __VERIFIER_nondet_int() [L543] COND FALSE !(\read(tmp___0)) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L551] tmp___2 = __VERIFIER_nondet_int() [L553] COND FALSE !(\read(tmp___2)) [L557] tmp___1 = __VERIFIER_nondet_int() [L559] COND TRUE \read(tmp___1) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L566] CALL timeShift() VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L590] COND FALSE !(\read(pumpRunning)) VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L597] COND TRUE \read(systemActive) [L619] int tmp ; VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L622] COND FALSE !(\read(pumpRunning)) VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L637] FCALL processEnvironment__wrappee__base() VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L870] int tmp ; [L871] int tmp___0 ; [L872] int tmp___1 ; VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L876] CALL, EXPR isMethaneLevelCritical() VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L452] int retValue_acc ; [L455] retValue_acc = methaneLevelCritical [L456] return (retValue_acc); [L876] RET, EXPR isMethaneLevelCritical() VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L876] tmp = isMethaneLevelCritical() [L878] COND FALSE !(\read(tmp)) [L484] int retValue_acc ; [L487] retValue_acc = waterLevel [L488] return (retValue_acc); [L882] tmp___0 = getWaterLevel() [L884] COND TRUE tmp___0 == 2 [L671] int retValue_acc ; [L674] retValue_acc = pumpRunning [L675] return (retValue_acc); [L886] tmp___1 = isPumpRunning() [L888] 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] [L506] __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 976.9 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 287.43 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 94.4 MB). Free memory was 948.5 MB in the beginning and 1.1 GB in the end (delta: -135.3 MB). Peak memory consumption was 24.7 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 30.32 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 17.21 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 420.39 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 53.0 MB). Peak memory consumption was 53.0 MB. Max. memory is 11.5 GB. * CodeCheck took 1331.94 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: 8.0 MB). Peak memory consumption was 8.0 MB. Max. memory is 11.5 GB. * Witness Printer took 74.87 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: 10.4 MB). Peak memory consumption was 10.4 MB. Max. memory is 11.5 GB. RESULT: Ultimate proved your program to be incorrect! Received shutdown request...