./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem10_label00_true-unreach-call.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_51ca99de-040b-4443-a4bd-53c5df1c8912/bin-2019/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_51ca99de-040b-4443-a4bd-53c5df1c8912/bin-2019/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_51ca99de-040b-4443-a4bd-53c5df1c8912/bin-2019/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_51ca99de-040b-4443-a4bd-53c5df1c8912/bin-2019/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem10_label00_true-unreach-call.c -s /tmp/vcloud-vcloud-master/worker/working_dir_51ca99de-040b-4443-a4bd-53c5df1c8912/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_51ca99de-040b-4443-a4bd-53c5df1c8912/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 0db867b83f4df60c5aafa7e1ef5bcec7ce49962a .............................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-635dfa2 [2018-12-02 10:43:07,345 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-02 10:43:07,346 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-02 10:43:07,352 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-02 10:43:07,352 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-02 10:43:07,353 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-02 10:43:07,353 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-02 10:43:07,354 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-02 10:43:07,355 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-02 10:43:07,356 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-02 10:43:07,356 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-02 10:43:07,356 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-02 10:43:07,357 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-02 10:43:07,358 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-02 10:43:07,358 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-02 10:43:07,359 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-02 10:43:07,359 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-02 10:43:07,360 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-02 10:43:07,361 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-02 10:43:07,362 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-02 10:43:07,362 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-02 10:43:07,363 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-02 10:43:07,364 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-02 10:43:07,364 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-02 10:43:07,364 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-02 10:43:07,365 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-02 10:43:07,365 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-02 10:43:07,366 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-02 10:43:07,366 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-02 10:43:07,367 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-02 10:43:07,367 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-02 10:43:07,368 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-02 10:43:07,368 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-02 10:43:07,368 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-02 10:43:07,368 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-02 10:43:07,369 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-02 10:43:07,369 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_51ca99de-040b-4443-a4bd-53c5df1c8912/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2018-12-02 10:43:07,376 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-02 10:43:07,377 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-02 10:43:07,377 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-02 10:43:07,377 INFO L133 SettingsManager]: * ... to procedures called more than once=ALWAYS [2018-12-02 10:43:07,378 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-12-02 10:43:07,378 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-12-02 10:43:07,378 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-02 10:43:07,378 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-02 10:43:07,378 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-02 10:43:07,378 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-02 10:43:07,378 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-02 10:43:07,378 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-02 10:43:07,379 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-02 10:43:07,379 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-02 10:43:07,379 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-02 10:43:07,379 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-02 10:43:07,379 INFO L133 SettingsManager]: * Use constant arrays=true [2018-12-02 10:43:07,379 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-02 10:43:07,379 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-12-02 10:43:07,379 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-12-02 10:43:07,380 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-02 10:43:07,380 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-02 10:43:07,380 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-12-02 10:43:07,380 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-02 10:43:07,380 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-02 10:43:07,380 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-02 10:43:07,380 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-12-02 10:43:07,380 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-02 10:43:07,380 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-12-02 10:43:07,381 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_51ca99de-040b-4443-a4bd-53c5df1c8912/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 -> 0db867b83f4df60c5aafa7e1ef5bcec7ce49962a [2018-12-02 10:43:07,399 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-02 10:43:07,406 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-02 10:43:07,408 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-02 10:43:07,409 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-02 10:43:07,409 INFO L276 PluginConnector]: CDTParser initialized [2018-12-02 10:43:07,410 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_51ca99de-040b-4443-a4bd-53c5df1c8912/bin-2019/ukojak/../../sv-benchmarks/c/eca-rers2012/Problem10_label00_true-unreach-call.c [2018-12-02 10:43:07,445 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_51ca99de-040b-4443-a4bd-53c5df1c8912/bin-2019/ukojak/data/28c8c8fec/57fc3af63f8e4dd4a656334df1f0b21c/FLAGfce7edfd5 [2018-12-02 10:43:07,972 INFO L307 CDTParser]: Found 1 translation units. [2018-12-02 10:43:07,972 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_51ca99de-040b-4443-a4bd-53c5df1c8912/sv-benchmarks/c/eca-rers2012/Problem10_label00_true-unreach-call.c [2018-12-02 10:43:07,980 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_51ca99de-040b-4443-a4bd-53c5df1c8912/bin-2019/ukojak/data/28c8c8fec/57fc3af63f8e4dd4a656334df1f0b21c/FLAGfce7edfd5 [2018-12-02 10:43:08,432 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_51ca99de-040b-4443-a4bd-53c5df1c8912/bin-2019/ukojak/data/28c8c8fec/57fc3af63f8e4dd4a656334df1f0b21c [2018-12-02 10:43:08,434 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-02 10:43:08,435 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-02 10:43:08,436 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-02 10:43:08,436 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-02 10:43:08,438 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-02 10:43:08,439 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 10:43:08" (1/1) ... [2018-12-02 10:43:08,440 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@432dabb8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:43:08, skipping insertion in model container [2018-12-02 10:43:08,440 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 10:43:08" (1/1) ... [2018-12-02 10:43:08,445 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-02 10:43:08,472 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-02 10:43:08,641 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-02 10:43:08,644 INFO L191 MainTranslator]: Completed pre-run [2018-12-02 10:43:08,739 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-02 10:43:08,748 INFO L195 MainTranslator]: Completed translation [2018-12-02 10:43:08,748 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:43:08 WrapperNode [2018-12-02 10:43:08,748 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-02 10:43:08,749 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-02 10:43:08,749 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-02 10:43:08,749 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-02 10:43:08,754 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:43:08" (1/1) ... [2018-12-02 10:43:08,763 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:43:08" (1/1) ... [2018-12-02 10:43:08,792 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-02 10:43:08,792 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-02 10:43:08,792 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-02 10:43:08,792 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-02 10:43:08,798 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:43:08" (1/1) ... [2018-12-02 10:43:08,798 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:43:08" (1/1) ... [2018-12-02 10:43:08,801 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:43:08" (1/1) ... [2018-12-02 10:43:08,801 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:43:08" (1/1) ... [2018-12-02 10:43:08,812 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:43:08" (1/1) ... [2018-12-02 10:43:08,817 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:43:08" (1/1) ... [2018-12-02 10:43:08,820 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:43:08" (1/1) ... [2018-12-02 10:43:08,824 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-02 10:43:08,825 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-02 10:43:08,825 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-02 10:43:08,825 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-02 10:43:08,825 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:43:08" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_51ca99de-040b-4443-a4bd-53c5df1c8912/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 10:43:08,858 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-02 10:43:08,858 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-02 10:44:07,846 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-02 10:44:07,847 INFO L280 CfgBuilder]: Removed 7 assue(true) statements. [2018-12-02 10:44:07,847 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 10:44:07 BoogieIcfgContainer [2018-12-02 10:44:07,847 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-02 10:44:07,847 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-12-02 10:44:07,847 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-12-02 10:44:07,854 INFO L276 PluginConnector]: CodeCheck initialized [2018-12-02 10:44:07,854 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 10:44:07" (1/1) ... [2018-12-02 10:44:07,861 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 10:44:07,880 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 10:44:07,887 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 9 states and 11 transitions. [2018-12-02 10:44:07,887 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 11 transitions. [2018-12-02 10:44:07,889 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2018-12-02 10:44:07,890 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 10:44:07,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 10:44:08,006 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 10:44:08,126 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 10:44:08,126 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 12 states and 15 transitions. [2018-12-02 10:44:08,126 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 15 transitions. [2018-12-02 10:44:08,127 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2018-12-02 10:44:08,127 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 10:44:08,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 10:44:08,350 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 10:44:10,360 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 10:44:10,361 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 18 states and 27 transitions. [2018-12-02 10:44:10,361 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 27 transitions. [2018-12-02 10:44:10,363 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-12-02 10:44:10,363 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 10:44:10,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 10:44:10,633 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 10:44:11,033 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 10:44:11,033 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 25 states and 41 transitions. [2018-12-02 10:44:11,033 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 41 transitions. [2018-12-02 10:44:11,033 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-12-02 10:44:11,034 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 10:44:11,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 10:44:11,183 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 10:44:11,287 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 10:44:11,287 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 27 states and 43 transitions. [2018-12-02 10:44:11,287 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 43 transitions. [2018-12-02 10:44:11,287 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2018-12-02 10:44:11,288 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 10:44:11,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 10:44:11,636 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 4 proven. 9 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-12-02 10:44:12,069 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 10:44:12,069 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 31 states and 51 transitions. [2018-12-02 10:44:12,069 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 51 transitions. [2018-12-02 10:44:12,070 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2018-12-02 10:44:12,070 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 10:44:12,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 10:44:12,393 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 3 proven. 12 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2018-12-02 10:44:12,729 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 10:44:12,729 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 20 states and 31 transitions. [2018-12-02 10:44:12,729 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 31 transitions. [2018-12-02 10:44:12,730 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-12-02 10:44:12,730 WARN L428 CodeCheckObserver]: This Program is SAFE, Check terminated with 7 iterations. [2018-12-02 10:44:12,735 INFO L779 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2018-12-02 10:44:12,830 INFO L583 CodeCheckObserver]: Invariant with dag size 23 [2018-12-02 10:44:12,838 INFO L583 CodeCheckObserver]: Invariant with dag size 18 [2018-12-02 10:44:12,839 INFO L583 CodeCheckObserver]: Invariant with dag size 1 [2018-12-02 10:44:12,839 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 02.12 10:44:12 ImpRootNode [2018-12-02 10:44:12,839 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2018-12-02 10:44:12,840 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-02 10:44:12,840 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-02 10:44:12,840 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-02 10:44:12,840 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 10:44:07" (3/4) ... [2018-12-02 10:44:12,843 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-12-02 10:44:12,853 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 178 nodes and edges [2018-12-02 10:44:12,853 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 17 nodes and edges [2018-12-02 10:44:12,854 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2018-12-02 10:44:12,854 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-12-02 10:44:12,939 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_51ca99de-040b-4443-a4bd-53c5df1c8912/bin-2019/ukojak/witness.graphml [2018-12-02 10:44:12,939 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-02 10:44:12,940 INFO L168 Benchmark]: Toolchain (without parser) took 64505.71 ms. Allocated memory was 1.0 GB in the beginning and 1.4 GB in the end (delta: 402.7 MB). Free memory was 949.5 MB in the beginning and 1.0 GB in the end (delta: -89.2 MB). Peak memory consumption was 313.5 MB. Max. memory is 11.5 GB. [2018-12-02 10:44:12,941 INFO L168 Benchmark]: CDTParser took 0.11 ms. Allocated memory is still 1.0 GB. Free memory is still 982.3 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-02 10:44:12,942 INFO L168 Benchmark]: CACSL2BoogieTranslator took 312.87 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 120.1 MB). Free memory was 949.5 MB in the beginning and 1.1 GB in the end (delta: -152.8 MB). Peak memory consumption was 37.8 MB. Max. memory is 11.5 GB. [2018-12-02 10:44:12,942 INFO L168 Benchmark]: Boogie Procedure Inliner took 43.27 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: 6.7 MB). Peak memory consumption was 6.7 MB. Max. memory is 11.5 GB. [2018-12-02 10:44:12,942 INFO L168 Benchmark]: Boogie Preprocessor took 32.34 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: 6.7 MB). Peak memory consumption was 6.7 MB. Max. memory is 11.5 GB. [2018-12-02 10:44:12,943 INFO L168 Benchmark]: RCFGBuilder took 59022.37 ms. Allocated memory was 1.1 GB in the beginning and 1.3 GB in the end (delta: 189.8 MB). Free memory was 1.1 GB in the beginning and 804.1 MB in the end (delta: 284.9 MB). Peak memory consumption was 474.7 MB. Max. memory is 11.5 GB. [2018-12-02 10:44:12,943 INFO L168 Benchmark]: CodeCheck took 4992.04 ms. Allocated memory was 1.3 GB in the beginning and 1.4 GB in the end (delta: 92.8 MB). Free memory was 804.1 MB in the beginning and 1.1 GB in the end (delta: -246.4 MB). There was no memory consumed. Max. memory is 11.5 GB. [2018-12-02 10:44:12,943 INFO L168 Benchmark]: Witness Printer took 99.93 ms. Allocated memory is still 1.4 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 11.7 MB). Peak memory consumption was 11.7 MB. Max. memory is 11.5 GB. [2018-12-02 10:44:12,945 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 1 procedures, 206 locations, 1 error locations. SAFE Result, 4.8s OverallTime, 7 OverallIterations, 0 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 384 SDtfs, 712 SDslu, 512 SDs, 0 SdLazy, 1848 SolverSat, 280 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 10.4s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 720 GetRequests, 606 SyntacticMatches, 44 SemanticMatches, 70 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2561 ImplicationChecksByTransitivity, 1.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 0.9s InterpolantComputationTime, 78 NumberOfCodeBlocks, 78 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 72 ConstructedInterpolants, 0 QuantifiedInterpolants, 12832 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 6 InterpolantComputations, 1 PerfectInterpolantSequences, 36/80 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: 145]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 582]: Loop Invariant Derived loop invariant: ((!(a19 == 6) && a12 == 0) && a4 == 14) || ((((144655 <= a1 || !(a10 == 0)) || a1 + 495232 <= 0) && a12 == 0) && a4 == 14) - InvariantResult [Line: 20]: Loop Invariant Derived loop invariant: (a12 == 0 && ((38 < a1 || !(a19 == 6)) || !(a10 == 0))) && a4 == 14 - InvariantResult [Line: 576]: Loop Invariant Derived loop invariant: 1 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.11 ms. Allocated memory is still 1.0 GB. Free memory is still 982.3 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 312.87 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 120.1 MB). Free memory was 949.5 MB in the beginning and 1.1 GB in the end (delta: -152.8 MB). Peak memory consumption was 37.8 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 43.27 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: 6.7 MB). Peak memory consumption was 6.7 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 32.34 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: 6.7 MB). Peak memory consumption was 6.7 MB. Max. memory is 11.5 GB. * RCFGBuilder took 59022.37 ms. Allocated memory was 1.1 GB in the beginning and 1.3 GB in the end (delta: 189.8 MB). Free memory was 1.1 GB in the beginning and 804.1 MB in the end (delta: 284.9 MB). Peak memory consumption was 474.7 MB. Max. memory is 11.5 GB. * CodeCheck took 4992.04 ms. Allocated memory was 1.3 GB in the beginning and 1.4 GB in the end (delta: 92.8 MB). Free memory was 804.1 MB in the beginning and 1.1 GB in the end (delta: -246.4 MB). There was no memory consumed. Max. memory is 11.5 GB. * Witness Printer took 99.93 ms. Allocated memory is still 1.4 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 11.7 MB). Peak memory consumption was 11.7 MB. Max. memory is 11.5 GB. RESULT: Ultimate proved your program to be correct! Received shutdown request...