./Ultimate.py --spec ../../sv-benchmarks/c/ReachSafety.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem10_label39_true-unreach-call.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 1dbac8bc Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_aa241670-1d8a-4e37-a43b-269c338dd288/bin-2019/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_aa241670-1d8a-4e37-a43b-269c338dd288/bin-2019/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_aa241670-1d8a-4e37-a43b-269c338dd288/bin-2019/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_aa241670-1d8a-4e37-a43b-269c338dd288/bin-2019/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem10_label39_true-unreach-call.c -s /tmp/vcloud-vcloud-master/worker/working_dir_aa241670-1d8a-4e37-a43b-269c338dd288/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_aa241670-1d8a-4e37-a43b-269c338dd288/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 0fc1a5d7bced8b0772de8cf3eb4e884f73b18851 .................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-1dbac8b [2018-11-10 03:45:29,474 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-10 03:45:29,475 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-10 03:45:29,483 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-10 03:45:29,483 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-10 03:45:29,484 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-10 03:45:29,485 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-10 03:45:29,486 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-10 03:45:29,487 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-10 03:45:29,488 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-10 03:45:29,488 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-10 03:45:29,488 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-10 03:45:29,489 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-10 03:45:29,490 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-10 03:45:29,490 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-10 03:45:29,491 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-10 03:45:29,491 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-10 03:45:29,493 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-10 03:45:29,494 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-10 03:45:29,495 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-10 03:45:29,495 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-10 03:45:29,496 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-10 03:45:29,498 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-10 03:45:29,498 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-10 03:45:29,498 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-10 03:45:29,499 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-10 03:45:29,500 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-10 03:45:29,500 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-10 03:45:29,501 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-10 03:45:29,501 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-10 03:45:29,501 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-10 03:45:29,502 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-10 03:45:29,502 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-10 03:45:29,502 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-10 03:45:29,503 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-10 03:45:29,504 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-10 03:45:29,504 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_aa241670-1d8a-4e37-a43b-269c338dd288/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2018-11-10 03:45:29,513 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-10 03:45:29,514 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-10 03:45:29,514 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-10 03:45:29,514 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-11-10 03:45:29,515 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-10 03:45:29,515 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-10 03:45:29,515 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-10 03:45:29,515 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-10 03:45:29,515 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-10 03:45:29,515 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-10 03:45:29,516 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-10 03:45:29,516 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-10 03:45:29,516 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-10 03:45:29,516 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-10 03:45:29,516 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-10 03:45:29,516 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-10 03:45:29,516 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-10 03:45:29,516 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-11-10 03:45:29,517 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-11-10 03:45:29,517 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-10 03:45:29,517 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-10 03:45:29,517 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-11-10 03:45:29,517 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-10 03:45:29,517 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-10 03:45:29,517 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-10 03:45:29,517 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-11-10 03:45:29,518 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-10 03:45:29,518 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-10 03:45:29,518 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_aa241670-1d8a-4e37-a43b-269c338dd288/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 -> 0fc1a5d7bced8b0772de8cf3eb4e884f73b18851 [2018-11-10 03:45:29,541 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-10 03:45:29,550 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-10 03:45:29,552 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-10 03:45:29,554 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-10 03:45:29,554 INFO L276 PluginConnector]: CDTParser initialized [2018-11-10 03:45:29,554 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_aa241670-1d8a-4e37-a43b-269c338dd288/bin-2019/ukojak/../../sv-benchmarks/c/eca-rers2012/Problem10_label39_true-unreach-call.c [2018-11-10 03:45:29,603 INFO L218 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_aa241670-1d8a-4e37-a43b-269c338dd288/bin-2019/ukojak/data/27f201c9a/b7c3d701e3bf4a52b2e0a539bf90ac4a/FLAG1ca3a57a1 [2018-11-10 03:45:29,994 INFO L298 CDTParser]: Found 1 translation units. [2018-11-10 03:45:29,995 INFO L158 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_aa241670-1d8a-4e37-a43b-269c338dd288/sv-benchmarks/c/eca-rers2012/Problem10_label39_true-unreach-call.c [2018-11-10 03:45:30,004 INFO L346 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_aa241670-1d8a-4e37-a43b-269c338dd288/bin-2019/ukojak/data/27f201c9a/b7c3d701e3bf4a52b2e0a539bf90ac4a/FLAG1ca3a57a1 [2018-11-10 03:45:30,016 INFO L354 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_aa241670-1d8a-4e37-a43b-269c338dd288/bin-2019/ukojak/data/27f201c9a/b7c3d701e3bf4a52b2e0a539bf90ac4a [2018-11-10 03:45:30,019 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-10 03:45:30,020 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-10 03:45:30,021 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-10 03:45:30,021 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-10 03:45:30,024 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-10 03:45:30,025 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 03:45:30" (1/1) ... [2018-11-10 03:45:30,027 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@61258a75 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 03:45:30, skipping insertion in model container [2018-11-10 03:45:30,027 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 03:45:30" (1/1) ... [2018-11-10 03:45:30,035 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-10 03:45:30,069 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-11-10 03:45:30,284 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-10 03:45:30,286 INFO L189 MainTranslator]: Completed pre-run [2018-11-10 03:45:30,356 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-10 03:45:30,365 INFO L193 MainTranslator]: Completed translation [2018-11-10 03:45:30,366 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 03:45:30 WrapperNode [2018-11-10 03:45:30,366 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-10 03:45:30,366 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-10 03:45:30,366 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-10 03:45:30,366 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-10 03:45:30,371 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 03:45:30" (1/1) ... [2018-11-10 03:45:30,384 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 03:45:30" (1/1) ... [2018-11-10 03:45:30,476 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-10 03:45:30,477 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-10 03:45:30,477 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-10 03:45:30,477 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-10 03:45:30,486 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 03:45:30" (1/1) ... [2018-11-10 03:45:30,486 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 03:45:30" (1/1) ... [2018-11-10 03:45:30,490 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 03:45:30" (1/1) ... [2018-11-10 03:45:30,490 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 03:45:30" (1/1) ... [2018-11-10 03:45:30,506 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 03:45:30" (1/1) ... [2018-11-10 03:45:30,514 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 03:45:30" (1/1) ... [2018-11-10 03:45:30,520 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 03:45:30" (1/1) ... [2018-11-10 03:45:30,526 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-10 03:45:30,526 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-10 03:45:30,527 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-10 03:45:30,527 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-10 03:45:30,527 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 03:45:30" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_aa241670-1d8a-4e37-a43b-269c338dd288/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 [2018-11-10 03:45:30,577 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2018-11-10 03:45:30,577 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-10 03:45:30,578 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-10 03:46:48,185 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-10 03:46:48,185 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 03:46:48 BoogieIcfgContainer [2018-11-10 03:46:48,185 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-10 03:46:48,186 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-11-10 03:46:48,186 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-11-10 03:46:48,193 INFO L276 PluginConnector]: CodeCheck initialized [2018-11-10 03:46:48,193 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 03:46:48" (1/1) ... [2018-11-10 03:46:48,201 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 03:46:48,223 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 03:46:48,228 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 10 states and 13 transitions. [2018-11-10 03:46:48,229 INFO L276 IsEmpty]: Start isEmpty. Operand 10 states and 13 transitions. [2018-11-10 03:46:48,230 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2018-11-10 03:46:48,230 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 03:46:48,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 03:46:48,470 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 03:46:48,567 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 03:46:48,567 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 14 states and 17 transitions. [2018-11-10 03:46:48,568 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 17 transitions. [2018-11-10 03:46:48,568 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2018-11-10 03:46:48,568 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 03:46:48,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 03:46:48,944 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 03:46:49,364 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 03:46:49,365 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 23 states and 33 transitions. [2018-11-10 03:46:49,365 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 33 transitions. [2018-11-10 03:46:49,367 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-11-10 03:46:49,367 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 03:46:49,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 03:46:50,087 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 03:46:50,855 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 03:46:50,856 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 34 states and 56 transitions. [2018-11-10 03:46:50,856 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 56 transitions. [2018-11-10 03:46:50,857 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-11-10 03:46:50,857 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 03:46:50,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 03:46:51,175 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 03:46:51,627 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 03:46:51,627 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 38 states and 61 transitions. [2018-11-10 03:46:51,627 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 61 transitions. [2018-11-10 03:46:51,628 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2018-11-10 03:46:51,628 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 03:46:51,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 03:46:52,271 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 2 proven. 12 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2018-11-10 03:46:52,877 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 03:46:52,878 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 43 states and 72 transitions. [2018-11-10 03:46:52,878 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 72 transitions. [2018-11-10 03:46:52,879 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2018-11-10 03:46:52,879 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 03:46:53,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 03:46:53,585 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 2 proven. 12 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2018-11-10 03:46:54,127 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 03:46:54,128 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 47 states and 76 transitions. [2018-11-10 03:46:54,128 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 76 transitions. [2018-11-10 03:46:54,129 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2018-11-10 03:46:54,129 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 03:46:54,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 03:46:54,842 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 2 proven. 12 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2018-11-10 03:46:55,363 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 03:46:55,364 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 32 states and 53 transitions. [2018-11-10 03:46:55,364 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 53 transitions. [2018-11-10 03:46:55,364 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-10 03:46:55,364 WARN L425 CodeCheckObserver]: This Program is SAFE, Check terminated with 8 iterations. [2018-11-10 03:46:55,378 INFO L778 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2018-11-10 03:46:55,644 INFO L582 CodeCheckObserver]: Invariant with dag size 21 [2018-11-10 03:46:55,650 INFO L582 CodeCheckObserver]: Invariant with dag size 19 [2018-11-10 03:46:55,651 INFO L582 CodeCheckObserver]: Invariant with dag size 1 [2018-11-10 03:46:55,651 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 10.11 03:46:55 ImpRootNode [2018-11-10 03:46:55,652 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2018-11-10 03:46:55,652 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-10 03:46:55,653 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-10 03:46:55,653 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-10 03:46:55,653 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 03:46:48" (3/4) ... [2018-11-10 03:46:55,657 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-10 03:46:55,671 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 180 nodes and edges [2018-11-10 03:46:55,672 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 19 nodes and edges [2018-11-10 03:46:55,673 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2018-11-10 03:46:55,674 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-11-10 03:46:55,755 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_aa241670-1d8a-4e37-a43b-269c338dd288/bin-2019/ukojak/witness.graphml [2018-11-10 03:46:55,755 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-10 03:46:55,756 INFO L168 Benchmark]: Toolchain (without parser) took 85735.88 ms. Allocated memory was 1.0 GB in the beginning and 1.6 GB in the end (delta: 599.8 MB). Free memory was 955.4 MB in the beginning and 1.3 GB in the end (delta: -368.9 MB). Peak memory consumption was 230.9 MB. Max. memory is 11.5 GB. [2018-11-10 03:46:55,756 INFO L168 Benchmark]: CDTParser took 0.15 ms. Allocated memory is still 1.0 GB. Free memory is still 985.5 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-10 03:46:55,757 INFO L168 Benchmark]: CACSL2BoogieTranslator took 345.00 ms. Allocated memory is still 1.0 GB. Free memory was 955.4 MB in the beginning and 920.5 MB in the end (delta: 34.9 MB). Peak memory consumption was 34.9 MB. Max. memory is 11.5 GB. [2018-11-10 03:46:55,757 INFO L168 Benchmark]: Boogie Procedure Inliner took 110.37 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 157.3 MB). Free memory was 920.5 MB in the beginning and 1.1 GB in the end (delta: -225.8 MB). Peak memory consumption was 21.3 MB. Max. memory is 11.5 GB. [2018-11-10 03:46:55,757 INFO L168 Benchmark]: Boogie Preprocessor took 49.28 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: 6.9 MB). Peak memory consumption was 6.9 MB. Max. memory is 11.5 GB. [2018-11-10 03:46:55,757 INFO L168 Benchmark]: RCFGBuilder took 77659.03 ms. Allocated memory was 1.2 GB in the beginning and 1.4 GB in the end (delta: 179.8 MB). Free memory was 1.1 GB in the beginning and 828.6 MB in the end (delta: 310.8 MB). Peak memory consumption was 490.6 MB. Max. memory is 11.5 GB. [2018-11-10 03:46:55,758 INFO L168 Benchmark]: CodeCheck took 7465.81 ms. Allocated memory was 1.4 GB in the beginning and 1.6 GB in the end (delta: 262.7 MB). Free memory was 828.6 MB in the beginning and 1.4 GB in the end (delta: -524.1 MB). There was no memory consumed. Max. memory is 11.5 GB. [2018-11-10 03:46:55,758 INFO L168 Benchmark]: Witness Printer took 103.01 ms. Allocated memory is still 1.6 GB. Free memory was 1.4 GB in the beginning and 1.3 GB in the end (delta: 28.4 MB). Peak memory consumption was 28.4 MB. Max. memory is 11.5 GB. [2018-11-10 03:46:55,760 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, 207 locations, 1 error locations. SAFE Result, 7.1s OverallTime, 8 OverallIterations, 0 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 892 SDtfs, 2250 SDslu, 2032 SDs, 0 SdLazy, 4808 SolverSat, 618 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 3.5s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 1030 GetRequests, 827 SyntacticMatches, 127 SemanticMatches, 76 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7251 ImplicationChecksByTransitivity, 3.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.0s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 3.0s InterpolantComputationTime, 112 NumberOfCodeBlocks, 112 NumberOfCodeBlocksAsserted, 7 NumberOfCheckSat, 105 ConstructedInterpolants, 0 QuantifiedInterpolants, 25610 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 7 InterpolantComputations, 1 PerfectInterpolantSequences, 45/111 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: 82]: 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: ((a12 == 0 && a4 == 14) && !(a10 == 0)) || ((a12 == 0 && (!(a19 == 8) || 0 <= a1 + 12)) && a4 == 14) - InvariantResult [Line: 20]: Loop Invariant Derived loop invariant: (a12 == 0 && a4 == 14) && ((!(a19 == 8) || 0 < a1 + 13) || !(a10 == 0)) - 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 0.15 ms. Allocated memory is still 1.0 GB. Free memory is still 985.5 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 345.00 ms. Allocated memory is still 1.0 GB. Free memory was 955.4 MB in the beginning and 920.5 MB in the end (delta: 34.9 MB). Peak memory consumption was 34.9 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 110.37 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 157.3 MB). Free memory was 920.5 MB in the beginning and 1.1 GB in the end (delta: -225.8 MB). Peak memory consumption was 21.3 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 49.28 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: 6.9 MB). Peak memory consumption was 6.9 MB. Max. memory is 11.5 GB. * RCFGBuilder took 77659.03 ms. Allocated memory was 1.2 GB in the beginning and 1.4 GB in the end (delta: 179.8 MB). Free memory was 1.1 GB in the beginning and 828.6 MB in the end (delta: 310.8 MB). Peak memory consumption was 490.6 MB. Max. memory is 11.5 GB. * CodeCheck took 7465.81 ms. Allocated memory was 1.4 GB in the beginning and 1.6 GB in the end (delta: 262.7 MB). Free memory was 828.6 MB in the beginning and 1.4 GB in the end (delta: -524.1 MB). There was no memory consumed. Max. memory is 11.5 GB. * Witness Printer took 103.01 ms. Allocated memory is still 1.6 GB. Free memory was 1.4 GB in the beginning and 1.3 GB in the end (delta: 28.4 MB). Peak memory consumption was 28.4 MB. Max. memory is 11.5 GB. RESULT: Ultimate proved your program to be correct! Received shutdown request...