./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec3_product27.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_f9f402b7-bec8-4edd-b027-40c5e256fafa/bin/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_f9f402b7-bec8-4edd-b027-40c5e256fafa/bin/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_f9f402b7-bec8-4edd-b027-40c5e256fafa/bin/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_f9f402b7-bec8-4edd-b027-40c5e256fafa/bin/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec3_product27.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_f9f402b7-bec8-4edd-b027-40c5e256fafa/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_f9f402b7-bec8-4edd-b027-40c5e256fafa/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 1610387a50b580a3de8e20f991e711af2b541458 ............................................................................................................................................................................................................................................................................................................................................. 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 10:15:18,526 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-22 10:15:18,528 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-22 10:15:18,537 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-22 10:15:18,537 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-22 10:15:18,538 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-22 10:15:18,539 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-22 10:15:18,540 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-22 10:15:18,541 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-22 10:15:18,542 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-22 10:15:18,543 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-22 10:15:18,544 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-22 10:15:18,544 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-22 10:15:18,545 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-22 10:15:18,545 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-22 10:15:18,546 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-22 10:15:18,547 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-22 10:15:18,547 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-22 10:15:18,549 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-22 10:15:18,550 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-22 10:15:18,551 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-22 10:15:18,552 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-22 10:15:18,553 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-22 10:15:18,554 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-22 10:15:18,556 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-22 10:15:18,556 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-22 10:15:18,556 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-22 10:15:18,557 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-22 10:15:18,557 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-22 10:15:18,558 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-22 10:15:18,558 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-22 10:15:18,559 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-22 10:15:18,559 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-22 10:15:18,560 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-22 10:15:18,561 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-22 10:15:18,561 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-22 10:15:18,561 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-22 10:15:18,562 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-22 10:15:18,562 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-22 10:15:18,563 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-22 10:15:18,563 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-22 10:15:18,564 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_f9f402b7-bec8-4edd-b027-40c5e256fafa/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2019-10-22 10:15:18,575 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-22 10:15:18,575 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-22 10:15:18,576 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-10-22 10:15:18,576 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2019-10-22 10:15:18,577 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-22 10:15:18,577 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-22 10:15:18,577 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-22 10:15:18,577 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-22 10:15:18,578 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-22 10:15:18,578 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-22 10:15:18,578 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-22 10:15:18,578 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-22 10:15:18,578 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-22 10:15:18,578 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-22 10:15:18,579 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-22 10:15:18,579 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-22 10:15:18,579 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-22 10:15:18,579 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-22 10:15:18,579 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2019-10-22 10:15:18,579 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2019-10-22 10:15:18,580 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-22 10:15:18,580 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-22 10:15:18,580 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2019-10-22 10:15:18,580 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-22 10:15:18,580 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-22 10:15:18,581 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-22 10:15:18,581 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2019-10-22 10:15:18,581 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-22 10:15:18,581 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-22 10:15:18,581 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_f9f402b7-bec8-4edd-b027-40c5e256fafa/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 -> 1610387a50b580a3de8e20f991e711af2b541458 [2019-10-22 10:15:18,619 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-22 10:15:18,628 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-22 10:15:18,631 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-22 10:15:18,633 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-22 10:15:18,635 INFO L275 PluginConnector]: CDTParser initialized [2019-10-22 10:15:18,636 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_f9f402b7-bec8-4edd-b027-40c5e256fafa/bin/ukojak/../../sv-benchmarks/c/product-lines/minepump_spec3_product27.cil.c [2019-10-22 10:15:18,683 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_f9f402b7-bec8-4edd-b027-40c5e256fafa/bin/ukojak/data/530d044c7/b1075cfb94b14a938fbac341b1cdb4eb/FLAG6c91dbaad [2019-10-22 10:15:19,090 INFO L306 CDTParser]: Found 1 translation units. [2019-10-22 10:15:19,090 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_f9f402b7-bec8-4edd-b027-40c5e256fafa/sv-benchmarks/c/product-lines/minepump_spec3_product27.cil.c [2019-10-22 10:15:19,100 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_f9f402b7-bec8-4edd-b027-40c5e256fafa/bin/ukojak/data/530d044c7/b1075cfb94b14a938fbac341b1cdb4eb/FLAG6c91dbaad [2019-10-22 10:15:19,112 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_f9f402b7-bec8-4edd-b027-40c5e256fafa/bin/ukojak/data/530d044c7/b1075cfb94b14a938fbac341b1cdb4eb [2019-10-22 10:15:19,114 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-22 10:15:19,115 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-10-22 10:15:19,116 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-22 10:15:19,117 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-22 10:15:19,120 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-22 10:15:19,121 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.10 10:15:19" (1/1) ... [2019-10-22 10:15:19,123 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@250d3f17 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 10:15:19, skipping insertion in model container [2019-10-22 10:15:19,123 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.10 10:15:19" (1/1) ... [2019-10-22 10:15:19,130 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-22 10:15:19,166 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-22 10:15:19,472 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-22 10:15:19,484 INFO L188 MainTranslator]: Completed pre-run [2019-10-22 10:15:19,563 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-22 10:15:19,585 INFO L192 MainTranslator]: Completed translation [2019-10-22 10:15:19,586 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 10:15:19 WrapperNode [2019-10-22 10:15:19,586 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-22 10:15:19,587 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-10-22 10:15:19,587 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-10-22 10:15:19,587 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-10-22 10:15:19,595 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 10:15:19" (1/1) ... [2019-10-22 10:15:19,630 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 10:15:19" (1/1) ... [2019-10-22 10:15:19,663 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-10-22 10:15:19,664 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-22 10:15:19,664 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-22 10:15:19,664 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-22 10:15:19,672 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 10:15:19" (1/1) ... [2019-10-22 10:15:19,673 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 10:15:19" (1/1) ... [2019-10-22 10:15:19,676 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 10:15:19" (1/1) ... [2019-10-22 10:15:19,676 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 10:15:19" (1/1) ... [2019-10-22 10:15:19,698 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 10:15:19" (1/1) ... [2019-10-22 10:15:19,702 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 10:15:19" (1/1) ... [2019-10-22 10:15:19,704 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 10:15:19" (1/1) ... [2019-10-22 10:15:19,706 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-22 10:15:19,707 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-22 10:15:19,707 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-22 10:15:19,707 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-22 10:15:19,708 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 10:15:19" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_f9f402b7-bec8-4edd-b027-40c5e256fafa/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 10:15:19,769 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-22 10:15:19,771 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2019-10-22 10:15:19,771 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2019-10-22 10:15:19,771 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2019-10-22 10:15:19,771 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2019-10-22 10:15:19,771 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2019-10-22 10:15:19,771 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2019-10-22 10:15:19,771 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2019-10-22 10:15:19,771 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2019-10-22 10:15:19,771 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2019-10-22 10:15:19,772 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2019-10-22 10:15:19,772 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2019-10-22 10:15:19,772 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2019-10-22 10:15:19,772 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-10-22 10:15:19,772 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2019-10-22 10:15:19,772 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2019-10-22 10:15:19,772 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-22 10:15:19,772 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-22 10:15:20,535 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-22 10:15:20,536 INFO L284 CfgBuilder]: Removed 36 assume(true) statements. [2019-10-22 10:15:20,537 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 10:15:20 BoogieIcfgContainer [2019-10-22 10:15:20,537 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-22 10:15:20,537 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2019-10-22 10:15:20,538 INFO L271 PluginConnector]: Initializing CodeCheck... [2019-10-22 10:15:20,548 INFO L275 PluginConnector]: CodeCheck initialized [2019-10-22 10:15:20,548 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 10:15:20" (1/1) ... [2019-10-22 10:15:20,558 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 10:15:20,584 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:15:20,593 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 55 states and 74 transitions. [2019-10-22 10:15:20,594 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 74 transitions. [2019-10-22 10:15:20,598 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2019-10-22 10:15:20,599 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:15:20,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:15:20,792 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 10:15:20,809 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:15:20,814 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 55 states and 72 transitions. [2019-10-22 10:15:20,814 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 72 transitions. [2019-10-22 10:15:20,815 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2019-10-22 10:15:20,816 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:15:20,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:15:20,950 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 10:15:20,969 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:15:20,970 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 57 states and 75 transitions. [2019-10-22 10:15:20,970 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 75 transitions. [2019-10-22 10:15:20,971 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2019-10-22 10:15:20,971 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:15:20,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:15:21,034 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 10:15:21,186 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:15:21,187 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 95 states to 67 states and 95 transitions. [2019-10-22 10:15:21,187 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 95 transitions. [2019-10-22 10:15:21,188 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2019-10-22 10:15:21,188 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:15:21,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:15:21,258 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 10:15:21,263 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:15:21,264 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 68 states and 96 transitions. [2019-10-22 10:15:21,264 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 96 transitions. [2019-10-22 10:15:21,265 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2019-10-22 10:15:21,265 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:15:21,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:15:21,318 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 10:15:21,335 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:15:21,336 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 69 states and 97 transitions. [2019-10-22 10:15:21,336 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 97 transitions. [2019-10-22 10:15:21,336 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2019-10-22 10:15:21,337 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:15:21,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:15:21,380 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 10:15:21,390 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:15:21,391 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 98 states to 70 states and 98 transitions. [2019-10-22 10:15:21,391 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 98 transitions. [2019-10-22 10:15:21,392 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2019-10-22 10:15:21,392 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:15:21,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:15:21,474 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 10:15:22,092 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:15:22,094 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 138 states to 88 states and 138 transitions. [2019-10-22 10:15:22,094 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 138 transitions. [2019-10-22 10:15:22,095 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2019-10-22 10:15:22,095 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:15:22,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-10-22 10:15:22,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-10-22 10:15:22,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-10-22 10:15:22,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-10-22 10:15:22,883 WARN L489 CodeCheckObserver]: This program is UNSAFE, Check terminated with 8 iterations. [2019-10-22 10:15:22,992 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 22.10 10:15:22 ImpRootNode [2019-10-22 10:15:22,992 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2019-10-22 10:15:22,994 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-10-22 10:15:22,994 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-10-22 10:15:22,994 INFO L275 PluginConnector]: Witness Printer initialized [2019-10-22 10:15:22,995 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 10:15:20" (3/4) ... [2019-10-22 10:15:22,997 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2019-10-22 10:15:23,081 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_f9f402b7-bec8-4edd-b027-40c5e256fafa/bin/ukojak/witness.graphml [2019-10-22 10:15:23,085 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-10-22 10:15:23,087 INFO L168 Benchmark]: Toolchain (without parser) took 3971.35 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 146.3 MB). Free memory was 946.1 MB in the beginning and 919.1 MB in the end (delta: 27.0 MB). Peak memory consumption was 173.3 MB. Max. memory is 11.5 GB. [2019-10-22 10:15:23,089 INFO L168 Benchmark]: CDTParser took 0.18 ms. Allocated memory is still 1.0 GB. Free memory is still 967.5 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-10-22 10:15:23,090 INFO L168 Benchmark]: CACSL2BoogieTranslator took 469.68 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 146.3 MB). Free memory was 940.7 MB in the beginning and 1.1 GB in the end (delta: -189.4 MB). Peak memory consumption was 18.2 MB. Max. memory is 11.5 GB. [2019-10-22 10:15:23,090 INFO L168 Benchmark]: Boogie Procedure Inliner took 76.75 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 10:15:23,091 INFO L168 Benchmark]: Boogie Preprocessor took 42.90 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: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2019-10-22 10:15:23,091 INFO L168 Benchmark]: RCFGBuilder took 830.36 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: 65.4 MB). Peak memory consumption was 65.4 MB. Max. memory is 11.5 GB. [2019-10-22 10:15:23,091 INFO L168 Benchmark]: CodeCheck took 2456.00 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 931.2 MB in the end (delta: 126.8 MB). Peak memory consumption was 126.8 MB. Max. memory is 11.5 GB. [2019-10-22 10:15:23,091 INFO L168 Benchmark]: Witness Printer took 91.57 ms. Allocated memory is still 1.2 GB. Free memory was 931.2 MB in the beginning and 919.1 MB in the end (delta: 12.1 MB). Peak memory consumption was 12.1 MB. Max. memory is 11.5 GB. [2019-10-22 10:15:23,095 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 8 procedures, 55 locations, 1 error locations. Result: UNSAFE, OverallTime: 2.3s, OverallIterations: 8, TraceHistogramMax: 0, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: 2844 SDtfs, 848 SDslu, 1420 SDs, 0 SdLazy, 1060 SolverSat, 368 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.4s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 1183 GetRequests, 1147 SyntacticMatches, 0 SemanticMatches, 36 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 358 ImplicationChecksByTransitivity, 0.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 177 NumberOfCodeBlocks, 177 NumberOfCodeBlocksAsserted, 8 NumberOfCheckSat, 143 ConstructedInterpolants, 0 QuantifiedInterpolants, 8096 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 DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - CounterExampleResult [Line: 346]: a call of __VERIFIER_error() is reachable a call of __VERIFIER_error() is reachable We found a FailurePath: [L120] int pumpRunning = 0; [L121] int systemActive = 1; [L558] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L755] int waterLevel = 1; [L756] int methaneLevelCritical = 0; [L844] int cleanupTimeShifts = 4; [L917] int retValue_acc ; [L918] int tmp ; [L380] int retValue_acc ; [L383] retValue_acc = 1 [L384] return (retValue_acc); [L924] tmp = valid_product() [L926] COND TRUE \read(tmp) [L46] int splverifierCounter ; [L47] int tmp ; [L48] int tmp___0 ; [L49] int tmp___1 ; [L50] int tmp___2 ; [L53] splverifierCounter = 0 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L55] COND TRUE 1 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L57] COND TRUE splverifierCounter < 4 [L63] tmp = __VERIFIER_nondet_int() [L65] COND TRUE \read(tmp) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L67] CALL waterRise() VAL [\old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L773] COND TRUE waterLevel < 2 [L774] waterLevel = waterLevel + 1 [L67] RET waterRise() VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L73] tmp___0 = __VERIFIER_nondet_int() [L75] COND FALSE !(\read(tmp___0)) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L83] tmp___2 = __VERIFIER_nondet_int() [L85] COND FALSE !(\read(tmp___2)) [L89] tmp___1 = __VERIFIER_nondet_int() [L91] COND TRUE \read(tmp___1) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L294] COND FALSE !(\read(pumpRunning)) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L301] systemActive = 0 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, waterLevel=2] [L100] CALL timeShift() VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, waterLevel=2] [L128] COND FALSE !(\read(pumpRunning)) VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, waterLevel=2] [L135] COND FALSE !(\read(systemActive)) VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, waterLevel=2] [L309] int tmp ; [L310] int tmp___0 ; [L311] int tmp___1 ; VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, waterLevel=2] [L315] CALL, EXPR isMethaneLevelCritical() VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, waterLevel=2] [L794] int retValue_acc ; [L797] retValue_acc = methaneLevelCritical [L798] return (retValue_acc); [L315] RET, EXPR isMethaneLevelCritical() VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, waterLevel=2] [L315] tmp = isMethaneLevelCritical() [L317] COND FALSE !(\read(tmp)) [L826] int retValue_acc ; [L829] retValue_acc = waterLevel [L830] return (retValue_acc); [L321] tmp___0 = getWaterLevel() [L323] COND TRUE tmp___0 == 2 [L227] int retValue_acc ; [L230] retValue_acc = pumpRunning [L231] return (retValue_acc); [L325] tmp___1 = isPumpRunning() [L327] COND FALSE !(\read(tmp___1)) VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, waterLevel=2] [L346] __VERIFIER_error() VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, waterLevel=2] * 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 967.5 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 469.68 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 146.3 MB). Free memory was 940.7 MB in the beginning and 1.1 GB in the end (delta: -189.4 MB). Peak memory consumption was 18.2 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 76.75 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. * Boogie Preprocessor took 42.90 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: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * RCFGBuilder took 830.36 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: 65.4 MB). Peak memory consumption was 65.4 MB. Max. memory is 11.5 GB. * CodeCheck took 2456.00 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 931.2 MB in the end (delta: 126.8 MB). Peak memory consumption was 126.8 MB. Max. memory is 11.5 GB. * Witness Printer took 91.57 ms. Allocated memory is still 1.2 GB. Free memory was 931.2 MB in the beginning and 919.1 MB in the end (delta: 12.1 MB). Peak memory consumption was 12.1 MB. Max. memory is 11.5 GB. RESULT: Ultimate proved your program to be incorrect! Received shutdown request...