./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/pthread/queue_ok_longest_true-unreach-call.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version aa418289 Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_b5d1a29b-fb0e-4060-abae-b854ebb295c0/bin-2019/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_b5d1a29b-fb0e-4060-abae-b854ebb295c0/bin-2019/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_b5d1a29b-fb0e-4060-abae-b854ebb295c0/bin-2019/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_b5d1a29b-fb0e-4060-abae-b854ebb295c0/bin-2019/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/pthread/queue_ok_longest_true-unreach-call.i -s /tmp/vcloud-vcloud-master/worker/working_dir_b5d1a29b-fb0e-4060-abae-b854ebb295c0/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_b5d1a29b-fb0e-4060-abae-b854ebb295c0/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 aa2c25034ea1a0d2d07bdff448f657a3a1ee96fd ..................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-aa41828 [2018-11-22 21:41:34,507 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-22 21:41:34,508 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-22 21:41:34,514 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-22 21:41:34,514 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-22 21:41:34,515 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-22 21:41:34,515 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-22 21:41:34,516 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-22 21:41:34,518 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-22 21:41:34,518 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-22 21:41:34,519 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-22 21:41:34,519 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-22 21:41:34,520 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-22 21:41:34,520 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-22 21:41:34,521 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-22 21:41:34,521 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-22 21:41:34,522 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-22 21:41:34,523 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-22 21:41:34,524 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-22 21:41:34,526 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-22 21:41:34,526 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-22 21:41:34,527 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-22 21:41:34,529 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-22 21:41:34,529 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-22 21:41:34,529 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-22 21:41:34,530 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-22 21:41:34,530 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-22 21:41:34,531 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-22 21:41:34,531 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-22 21:41:34,532 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-22 21:41:34,532 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-22 21:41:34,533 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-22 21:41:34,533 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-22 21:41:34,533 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-22 21:41:34,534 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-22 21:41:34,534 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-22 21:41:34,534 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_b5d1a29b-fb0e-4060-abae-b854ebb295c0/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2018-11-22 21:41:34,544 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-22 21:41:34,544 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-22 21:41:34,544 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-22 21:41:34,545 INFO L133 SettingsManager]: * ... to procedures called more than once=ALWAYS [2018-11-22 21:41:34,545 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-22 21:41:34,545 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-22 21:41:34,545 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-22 21:41:34,546 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-22 21:41:34,546 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-22 21:41:34,546 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-22 21:41:34,546 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-22 21:41:34,546 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-22 21:41:34,546 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-22 21:41:34,547 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-22 21:41:34,547 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-22 21:41:34,547 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-22 21:41:34,547 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-22 21:41:34,547 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-22 21:41:34,547 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-11-22 21:41:34,547 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-11-22 21:41:34,548 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-22 21:41:34,548 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-22 21:41:34,548 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-11-22 21:41:34,548 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-22 21:41:34,548 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-22 21:41:34,549 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-22 21:41:34,549 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-11-22 21:41:34,549 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-22 21:41:34,549 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-22 21:41:34,549 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_b5d1a29b-fb0e-4060-abae-b854ebb295c0/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 -> aa2c25034ea1a0d2d07bdff448f657a3a1ee96fd [2018-11-22 21:41:34,570 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-22 21:41:34,578 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-22 21:41:34,580 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-22 21:41:34,581 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-22 21:41:34,581 INFO L276 PluginConnector]: CDTParser initialized [2018-11-22 21:41:34,581 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_b5d1a29b-fb0e-4060-abae-b854ebb295c0/bin-2019/ukojak/../../sv-benchmarks/c/pthread/queue_ok_longest_true-unreach-call.i [2018-11-22 21:41:34,616 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_b5d1a29b-fb0e-4060-abae-b854ebb295c0/bin-2019/ukojak/data/e94b1c9b3/c2f1fbe9ee6047fdb4a4193b3e902ec6/FLAG2ad3d713f [2018-11-22 21:41:35,067 INFO L307 CDTParser]: Found 1 translation units. [2018-11-22 21:41:35,067 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_b5d1a29b-fb0e-4060-abae-b854ebb295c0/sv-benchmarks/c/pthread/queue_ok_longest_true-unreach-call.i [2018-11-22 21:41:35,077 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_b5d1a29b-fb0e-4060-abae-b854ebb295c0/bin-2019/ukojak/data/e94b1c9b3/c2f1fbe9ee6047fdb4a4193b3e902ec6/FLAG2ad3d713f [2018-11-22 21:41:35,087 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_b5d1a29b-fb0e-4060-abae-b854ebb295c0/bin-2019/ukojak/data/e94b1c9b3/c2f1fbe9ee6047fdb4a4193b3e902ec6 [2018-11-22 21:41:35,088 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-22 21:41:35,089 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-22 21:41:35,090 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-22 21:41:35,090 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-22 21:41:35,092 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-22 21:41:35,092 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 09:41:35" (1/1) ... [2018-11-22 21:41:35,094 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6dda6b0e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 09:41:35, skipping insertion in model container [2018-11-22 21:41:35,094 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 09:41:35" (1/1) ... [2018-11-22 21:41:35,100 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-22 21:41:35,131 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-22 21:41:35,415 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-22 21:41:35,462 INFO L191 MainTranslator]: Completed pre-run [2018-11-22 21:41:35,554 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-22 21:41:35,692 INFO L195 MainTranslator]: Completed translation [2018-11-22 21:41:35,692 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 09:41:35 WrapperNode [2018-11-22 21:41:35,693 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-22 21:41:35,693 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-22 21:41:35,693 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-22 21:41:35,693 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-22 21:41:35,701 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 09:41:35" (1/1) ... [2018-11-22 21:41:35,736 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 09:41:35" (1/1) ... [2018-11-22 21:41:35,793 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-22 21:41:35,794 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-22 21:41:35,794 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-22 21:41:35,794 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-22 21:41:35,800 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 09:41:35" (1/1) ... [2018-11-22 21:41:35,800 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 09:41:35" (1/1) ... [2018-11-22 21:41:35,809 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 09:41:35" (1/1) ... [2018-11-22 21:41:35,809 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 09:41:35" (1/1) ... [2018-11-22 21:41:35,837 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 09:41:35" (1/1) ... [2018-11-22 21:41:35,841 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 09:41:35" (1/1) ... [2018-11-22 21:41:35,849 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 09:41:35" (1/1) ... [2018-11-22 21:41:35,858 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-22 21:41:35,858 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-22 21:41:35,858 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-22 21:41:35,858 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-22 21:41:35,859 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 09:41:35" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_b5d1a29b-fb0e-4060-abae-b854ebb295c0/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 [2018-11-22 21:41:35,916 INFO L130 BoogieDeclarations]: Found specification of procedure t1 [2018-11-22 21:41:35,916 INFO L138 BoogieDeclarations]: Found implementation of procedure t1 [2018-11-22 21:41:35,917 INFO L130 BoogieDeclarations]: Found specification of procedure t2 [2018-11-22 21:41:35,917 INFO L138 BoogieDeclarations]: Found implementation of procedure t2 [2018-11-22 21:41:35,917 INFO L130 BoogieDeclarations]: Found specification of procedure empty [2018-11-22 21:41:35,917 INFO L138 BoogieDeclarations]: Found implementation of procedure empty [2018-11-22 21:41:35,917 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-11-22 21:41:35,917 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2018-11-22 21:41:35,917 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-22 21:41:35,917 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2018-11-22 21:41:35,917 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2018-11-22 21:41:35,917 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2018-11-22 21:41:35,918 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2018-11-22 21:41:35,918 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-22 21:41:35,918 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-22 21:41:35,919 WARN L198 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2018-11-22 21:41:37,463 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-22 21:41:37,463 INFO L280 CfgBuilder]: Removed 12 assue(true) statements. [2018-11-22 21:41:37,464 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 09:41:37 BoogieIcfgContainer [2018-11-22 21:41:37,464 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-22 21:41:37,464 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-11-22 21:41:37,464 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-11-22 21:41:37,471 INFO L276 PluginConnector]: CodeCheck initialized [2018-11-22 21:41:37,471 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 09:41:37" (1/1) ... [2018-11-22 21:41:37,478 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-22 21:41:37,507 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-22 21:41:37,517 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1729 states to 1672 states and 1673 transitions. [2018-11-22 21:41:37,518 INFO L276 IsEmpty]: Start isEmpty. Operand 1672 states and 1673 transitions. [2018-11-22 21:41:37,564 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1646 [2018-11-22 21:41:37,564 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-22 21:41:37,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 21:41:38,950 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-22 21:41:39,064 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-22 21:41:39,067 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1725 states to 1669 states and 1669 transitions. [2018-11-22 21:41:39,067 INFO L276 IsEmpty]: Start isEmpty. Operand 1669 states and 1669 transitions. [2018-11-22 21:41:39,070 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-22 21:41:39,071 WARN L424 CodeCheckObserver]: This Program is SAFE, Check terminated with 2 iterations. [2018-11-22 21:41:39,082 INFO L775 CodeCheckObserver]: All specifications hold 2 specifications checked. All of them hold [2018-11-22 21:41:39,580 INFO L579 CodeCheckObserver]: Invariant with dag size 1 [2018-11-22 21:41:39,583 INFO L579 CodeCheckObserver]: Invariant with dag size 1 [2018-11-22 21:41:39,583 INFO L579 CodeCheckObserver]: Invariant with dag size 1 [2018-11-22 21:41:39,584 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 22.11 09:41:39 ImpRootNode [2018-11-22 21:41:39,584 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2018-11-22 21:41:39,584 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-22 21:41:39,584 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-22 21:41:39,584 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-22 21:41:39,585 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 09:41:37" (3/4) ... [2018-11-22 21:41:39,587 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-22 21:41:39,592 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure t1 [2018-11-22 21:41:39,592 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure t2 [2018-11-22 21:41:39,592 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure empty [2018-11-22 21:41:39,611 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 16 nodes and edges [2018-11-22 21:41:39,613 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2018-11-22 21:41:39,614 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-11-22 21:41:39,762 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_b5d1a29b-fb0e-4060-abae-b854ebb295c0/bin-2019/ukojak/witness.graphml [2018-11-22 21:41:39,763 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-22 21:41:39,765 INFO L168 Benchmark]: Toolchain (without parser) took 4676.36 ms. Allocated memory was 1.0 GB in the beginning and 1.9 GB in the end (delta: 839.9 MB). Free memory was 956.6 MB in the beginning and 1.3 GB in the end (delta: -297.0 MB). Peak memory consumption was 543.0 MB. Max. memory is 11.5 GB. [2018-11-22 21:41:39,766 INFO L168 Benchmark]: CDTParser took 0.10 ms. Allocated memory is still 1.0 GB. Free memory is still 982.9 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-22 21:41:39,766 INFO L168 Benchmark]: CACSL2BoogieTranslator took 603.19 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 136.8 MB). Free memory was 956.6 MB in the beginning and 1.1 GB in the end (delta: -122.6 MB). Peak memory consumption was 44.8 MB. Max. memory is 11.5 GB. [2018-11-22 21:41:39,767 INFO L168 Benchmark]: Boogie Procedure Inliner took 100.36 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: 16.1 MB). Peak memory consumption was 16.1 MB. Max. memory is 11.5 GB. [2018-11-22 21:41:39,767 INFO L168 Benchmark]: Boogie Preprocessor took 64.29 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 18.8 MB). Peak memory consumption was 18.8 MB. Max. memory is 11.5 GB. [2018-11-22 21:41:39,767 INFO L168 Benchmark]: RCFGBuilder took 1605.47 ms. Allocated memory is still 1.2 GB. Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 18.5 MB). Peak memory consumption was 190.6 MB. Max. memory is 11.5 GB. [2018-11-22 21:41:39,768 INFO L168 Benchmark]: CodeCheck took 2119.80 ms. Allocated memory was 1.2 GB in the beginning and 1.9 GB in the end (delta: 703.1 MB). Free memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: -266.9 MB). Peak memory consumption was 436.1 MB. Max. memory is 11.5 GB. [2018-11-22 21:41:39,768 INFO L168 Benchmark]: Witness Printer took 180.50 ms. Allocated memory is still 1.9 GB. Free memory was 1.3 GB in the beginning and 1.3 GB in the end (delta: 39.2 MB). Peak memory consumption was 39.2 MB. Max. memory is 11.5 GB. [2018-11-22 21:41:39,769 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 4 procedures, 1777 locations, 2 error locations. SAFE Result, 1.5s OverallTime, 2 OverallIterations, 0 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 1649 SDtfs, 0 SDslu, 0 SDs, 0 SdLazy, 0 SolverSat, 0 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 8234 GetRequests, 8234 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 1645 NumberOfCodeBlocks, 1645 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 1644 ConstructedInterpolants, 0 QuantifiedInterpolants, 2702736 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 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 - PositiveResult [Line: 1032]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 1016]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 2 specifications checked. All of them hold - InvariantResult [Line: 1025]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 1012]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 975]: Loop Invariant Derived loop invariant: 1 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.10 ms. Allocated memory is still 1.0 GB. Free memory is still 982.9 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 603.19 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 136.8 MB). Free memory was 956.6 MB in the beginning and 1.1 GB in the end (delta: -122.6 MB). Peak memory consumption was 44.8 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 100.36 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: 16.1 MB). Peak memory consumption was 16.1 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 64.29 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 18.8 MB). Peak memory consumption was 18.8 MB. Max. memory is 11.5 GB. * RCFGBuilder took 1605.47 ms. Allocated memory is still 1.2 GB. Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 18.5 MB). Peak memory consumption was 190.6 MB. Max. memory is 11.5 GB. * CodeCheck took 2119.80 ms. Allocated memory was 1.2 GB in the beginning and 1.9 GB in the end (delta: 703.1 MB). Free memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: -266.9 MB). Peak memory consumption was 436.1 MB. Max. memory is 11.5 GB. * Witness Printer took 180.50 ms. Allocated memory is still 1.9 GB. Free memory was 1.3 GB in the beginning and 1.3 GB in the end (delta: 39.2 MB). Peak memory consumption was 39.2 MB. Max. memory is 11.5 GB. RESULT: Ultimate proved your program to be correct! Received shutdown request...