./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem11_label27.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version d790fecc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25b3da7f-a055-4f2d-86a9-fa227cdd76c8/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25b3da7f-a055-4f2d-86a9-fa227cdd76c8/bin/ukojak-verify-CZk0znPC7b/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25b3da7f-a055-4f2d-86a9-fa227cdd76c8/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25b3da7f-a055-4f2d-86a9-fa227cdd76c8/bin/ukojak-verify-CZk0znPC7b/config/KojakReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem11_label27.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25b3da7f-a055-4f2d-86a9-fa227cdd76c8/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25b3da7f-a055-4f2d-86a9-fa227cdd76c8/bin/ukojak-verify-CZk0znPC7b --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 7c6f0a8bc653ee68bba5d1e7193079f2216382bf70b295e228b301f341587f5f --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-06 00:55:47,446 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-06 00:55:47,501 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25b3da7f-a055-4f2d-86a9-fa227cdd76c8/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-32bit-Kojak_Default.epf [2024-12-06 00:55:47,505 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-06 00:55:47,505 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-12-06 00:55:47,525 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-06 00:55:47,525 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-06 00:55:47,525 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-12-06 00:55:47,526 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-06 00:55:47,526 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-06 00:55:47,526 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-06 00:55:47,526 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-06 00:55:47,526 INFO L153 SettingsManager]: * sizeof long=4 [2024-12-06 00:55:47,526 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-12-06 00:55:47,526 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-12-06 00:55:47,526 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-06 00:55:47,527 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-06 00:55:47,527 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-06 00:55:47,527 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-06 00:55:47,527 INFO L153 SettingsManager]: * sizeof long double=12 [2024-12-06 00:55:47,527 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-06 00:55:47,527 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-06 00:55:47,527 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-06 00:55:47,527 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-06 00:55:47,527 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-06 00:55:47,527 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-06 00:55:47,528 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-06 00:55:47,528 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 00:55:47,528 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-06 00:55:47,528 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-06 00:55:47,528 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-06 00:55:47,528 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-12-06 00:55:47,528 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-12-06 00:55:47,528 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25b3da7f-a055-4f2d-86a9-fa227cdd76c8/bin/ukojak-verify-CZk0znPC7b Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness 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(reach_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 -> 7c6f0a8bc653ee68bba5d1e7193079f2216382bf70b295e228b301f341587f5f [2024-12-06 00:55:47,742 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-06 00:55:47,749 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-06 00:55:47,751 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-06 00:55:47,752 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-06 00:55:47,753 INFO L274 PluginConnector]: CDTParser initialized [2024-12-06 00:55:47,754 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25b3da7f-a055-4f2d-86a9-fa227cdd76c8/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/eca-rers2012/Problem11_label27.c [2024-12-06 00:55:50,377 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25b3da7f-a055-4f2d-86a9-fa227cdd76c8/bin/ukojak-verify-CZk0znPC7b/data/087513946/abe436e0069840129eaaf0199bc2115b/FLAG5d5b7c781 [2024-12-06 00:55:50,633 INFO L384 CDTParser]: Found 1 translation units. [2024-12-06 00:55:50,634 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25b3da7f-a055-4f2d-86a9-fa227cdd76c8/sv-benchmarks/c/eca-rers2012/Problem11_label27.c [2024-12-06 00:55:50,644 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25b3da7f-a055-4f2d-86a9-fa227cdd76c8/bin/ukojak-verify-CZk0znPC7b/data/087513946/abe436e0069840129eaaf0199bc2115b/FLAG5d5b7c781 [2024-12-06 00:55:50,924 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25b3da7f-a055-4f2d-86a9-fa227cdd76c8/bin/ukojak-verify-CZk0znPC7b/data/087513946/abe436e0069840129eaaf0199bc2115b [2024-12-06 00:55:50,925 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-06 00:55:50,927 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-06 00:55:50,928 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-06 00:55:50,928 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-06 00:55:50,931 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-06 00:55:50,931 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 12:55:50" (1/1) ... [2024-12-06 00:55:50,932 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3f22dbc2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:55:50, skipping insertion in model container [2024-12-06 00:55:50,932 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 12:55:50" (1/1) ... [2024-12-06 00:55:50,963 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-06 00:55:51,110 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25b3da7f-a055-4f2d-86a9-fa227cdd76c8/sv-benchmarks/c/eca-rers2012/Problem11_label27.c[6152,6165] [2024-12-06 00:55:51,276 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 00:55:51,287 INFO L200 MainTranslator]: Completed pre-run [2024-12-06 00:55:51,311 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25b3da7f-a055-4f2d-86a9-fa227cdd76c8/sv-benchmarks/c/eca-rers2012/Problem11_label27.c[6152,6165] [2024-12-06 00:55:51,419 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 00:55:51,433 INFO L204 MainTranslator]: Completed translation [2024-12-06 00:55:51,434 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:55:51 WrapperNode [2024-12-06 00:55:51,434 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-06 00:55:51,435 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-06 00:55:51,435 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-06 00:55:51,435 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-06 00:55:51,441 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:55:51" (1/1) ... [2024-12-06 00:55:51,457 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:55:51" (1/1) ... [2024-12-06 00:55:51,539 INFO L138 Inliner]: procedures = 14, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 999 [2024-12-06 00:55:51,540 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-06 00:55:51,540 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-06 00:55:51,540 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-06 00:55:51,541 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-06 00:55:51,548 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:55:51" (1/1) ... [2024-12-06 00:55:51,548 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:55:51" (1/1) ... [2024-12-06 00:55:51,561 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:55:51" (1/1) ... [2024-12-06 00:55:51,561 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:55:51" (1/1) ... [2024-12-06 00:55:51,593 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:55:51" (1/1) ... [2024-12-06 00:55:51,601 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:55:51" (1/1) ... [2024-12-06 00:55:51,608 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:55:51" (1/1) ... [2024-12-06 00:55:51,620 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:55:51" (1/1) ... [2024-12-06 00:55:51,625 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:55:51" (1/1) ... [2024-12-06 00:55:51,639 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-06 00:55:51,639 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-06 00:55:51,640 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-06 00:55:51,640 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-06 00:55:51,640 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:55:51" (1/1) ... [2024-12-06 00:55:51,646 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 00:55:51,657 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25b3da7f-a055-4f2d-86a9-fa227cdd76c8/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-06 00:55:51,669 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25b3da7f-a055-4f2d-86a9-fa227cdd76c8/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-06 00:55:51,672 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25b3da7f-a055-4f2d-86a9-fa227cdd76c8/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-06 00:55:51,696 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-06 00:55:51,696 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-12-06 00:55:51,696 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-06 00:55:51,697 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-06 00:55:51,756 INFO L234 CfgBuilder]: Building ICFG [2024-12-06 00:55:51,758 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-06 00:55:53,137 INFO L? ?]: Removed 129 outVars from TransFormulas that were not future-live. [2024-12-06 00:55:53,137 INFO L283 CfgBuilder]: Performing block encoding [2024-12-06 00:55:58,111 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-06 00:55:58,111 INFO L312 CfgBuilder]: Removed 2 assume(true) statements. [2024-12-06 00:55:58,111 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 12:55:58 BoogieIcfgContainer [2024-12-06 00:55:58,111 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-06 00:55:58,112 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-12-06 00:55:58,112 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-12-06 00:55:58,118 INFO L274 PluginConnector]: CodeCheck initialized [2024-12-06 00:55:58,119 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 12:55:58" (1/1) ... [2024-12-06 00:55:58,124 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-06 00:55:58,154 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:55:58,159 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 9 states and 11 transitions. [2024-12-06 00:55:58,159 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 11 transitions. [2024-12-06 00:55:58,161 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2024-12-06 00:55:58,161 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:55:58,161 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 00:55:58,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:55:58,344 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 00:55:58,487 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:55:58,487 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 12 states and 14 transitions. [2024-12-06 00:55:58,487 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 14 transitions. [2024-12-06 00:55:58,487 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-12-06 00:55:58,488 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:55:58,488 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 00:55:58,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:56:27,820 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 00:56:34,772 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 6.90s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-06 00:56:35,126 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:56:35,127 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 19 states and 27 transitions. [2024-12-06 00:56:35,127 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 27 transitions. [2024-12-06 00:56:35,128 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-12-06 00:56:35,128 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:56:35,128 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 00:56:35,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:57:46,733 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 00:57:47,663 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:57:47,663 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 30 states and 52 transitions. [2024-12-06 00:57:47,663 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 52 transitions. [2024-12-06 00:57:47,663 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-12-06 00:57:47,663 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:57:47,663 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 00:57:47,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:59:00,168 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 00:59:00,414 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:59:00,414 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58 states to 33 states and 58 transitions. [2024-12-06 00:59:00,414 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 58 transitions. [2024-12-06 00:59:00,415 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2024-12-06 00:59:00,415 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:59:00,415 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 00:59:00,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:59:47,817 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 2 proven. 9 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2024-12-06 00:59:49,481 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:59:49,482 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 40 states and 74 transitions. [2024-12-06 00:59:49,482 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 74 transitions. [2024-12-06 00:59:49,482 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2024-12-06 00:59:49,482 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:59:49,483 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 00:59:50,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:00:39,799 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 2 proven. 9 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2024-12-06 01:00:40,018 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:00:40,018 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 43 states and 77 transitions. [2024-12-06 01:00:40,018 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 77 transitions. [2024-12-06 01:00:40,019 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2024-12-06 01:00:40,019 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:00:40,019 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 01:00:40,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:01:30,918 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 2 proven. 9 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2024-12-06 01:01:31,162 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:01:31,162 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 46 states and 80 transitions. [2024-12-06 01:01:31,162 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 80 transitions. [2024-12-06 01:01:31,163 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2024-12-06 01:01:31,163 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:01:31,163 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 01:01:31,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:02:26,203 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 6 proven. 12 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2024-12-06 01:02:26,766 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:02:26,766 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 31 states and 56 transitions. [2024-12-06 01:02:26,766 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 56 transitions. [2024-12-06 01:02:26,767 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-12-06 01:02:26,767 WARN L417 CodeCheckObserver]: This Program is SAFE, Check terminated with 9 iterations. [2024-12-06 01:02:26,772 INFO L726 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2024-12-06 01:02:27,168 INFO L77 FloydHoareUtils]: At program point L1038(lines 1038 1054) the Hoare annotation is: true [2024-12-06 01:02:27,168 INFO L77 FloydHoareUtils]: At program point L1044-2(lines 1044 1053) the Hoare annotation is: (and (or (< ~a29~0 141) (< 138 ~a23~0) (< (+ ~a23~0 42) 0) (< 245 ~a29~0) (not (= ~a25~0 12)) (not (= ~a4~0 1))) (= ~a3~0 1) (= ~a8~0 15)) [2024-12-06 01:02:27,168 INFO L77 FloydHoareUtils]: At program point ULTIMATE.startEXIT(line -1) the Hoare annotation is: true [2024-12-06 01:02:27,168 INFO L77 FloydHoareUtils]: At program point L1049(line 1049) the Hoare annotation is: (and (or (< ~a29~0 141) (< 138 ~a23~0) (< (+ ~a23~0 42) 0) (< 245 ~a29~0) (not (= ~a25~0 12)) (not (= ~a4~0 1))) (= ~a3~0 1) (= ~a8~0 15)) [2024-12-06 01:02:27,169 INFO L75 FloydHoareUtils]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 142) no Hoare annotation was computed. [2024-12-06 01:02:27,169 INFO L77 FloydHoareUtils]: At program point L138-1(lines 32 1036) the Hoare annotation is: (let ((.cse0 (= ~a3~0 1)) (.cse1 (= ~a8~0 15))) (or (and (or (< ~a29~0 141) (< (+ ~a23~0 42) 0) (< 245 ~a29~0) (not (= ~a4~0 1))) .cse0 .cse1) (and (or (< 159 ~a23~0) (not (= ~a25~0 12))) .cse0 .cse1))) [2024-12-06 01:02:27,169 INFO L77 FloydHoareUtils]: At program point L141-1(lines 32 1036) the Hoare annotation is: (and (or (< ~a29~0 141) (< 138 ~a23~0) (< (+ ~a23~0 42) 0) (< 245 ~a29~0) (not (= ~a25~0 12)) (not (= ~a4~0 1))) (= ~a3~0 1) (= ~a8~0 15)) [2024-12-06 01:02:27,169 INFO L75 FloydHoareUtils]: For program point L142(line 142) no Hoare annotation was computed. [2024-12-06 01:02:27,169 INFO L77 FloydHoareUtils]: At program point $Ultimate##0(line -1) the Hoare annotation is: true [2024-12-06 01:02:27,182 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 06.12 01:02:27 ImpRootNode [2024-12-06 01:02:27,182 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-12-06 01:02:27,182 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-12-06 01:02:27,183 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-12-06 01:02:27,183 INFO L274 PluginConnector]: Witness Printer initialized [2024-12-06 01:02:27,183 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 12:55:58" (3/4) ... [2024-12-06 01:02:27,185 INFO L146 WitnessPrinter]: Generating witness for correct program [2024-12-06 01:02:27,201 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 272 nodes and edges [2024-12-06 01:02:27,203 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 14 nodes and edges [2024-12-06 01:02:27,204 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2024-12-06 01:02:27,206 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-12-06 01:02:27,337 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25b3da7f-a055-4f2d-86a9-fa227cdd76c8/bin/ukojak-verify-CZk0znPC7b/witness.graphml [2024-12-06 01:02:27,338 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25b3da7f-a055-4f2d-86a9-fa227cdd76c8/bin/ukojak-verify-CZk0znPC7b/witness.yml [2024-12-06 01:02:27,338 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-12-06 01:02:27,339 INFO L158 Benchmark]: Toolchain (without parser) took 396411.98ms. Allocated memory was 142.6MB in the beginning and 1.8GB in the end (delta: 1.7GB). Free memory was 115.5MB in the beginning and 1.2GB in the end (delta: -1.1GB). Peak memory consumption was 573.6MB. Max. memory is 16.1GB. [2024-12-06 01:02:27,339 INFO L158 Benchmark]: CDTParser took 0.24ms. Allocated memory is still 142.6MB. Free memory is still 82.0MB. There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 01:02:27,339 INFO L158 Benchmark]: CACSL2BoogieTranslator took 506.60ms. Allocated memory is still 142.6MB. Free memory was 115.3MB in the beginning and 73.3MB in the end (delta: 41.9MB). Peak memory consumption was 41.9MB. Max. memory is 16.1GB. [2024-12-06 01:02:27,340 INFO L158 Benchmark]: Boogie Procedure Inliner took 105.08ms. Allocated memory is still 142.6MB. Free memory was 73.3MB in the beginning and 104.3MB in the end (delta: -31.0MB). Peak memory consumption was 27.0MB. Max. memory is 16.1GB. [2024-12-06 01:02:27,340 INFO L158 Benchmark]: Boogie Preprocessor took 98.45ms. Allocated memory is still 142.6MB. Free memory was 104.3MB in the beginning and 95.1MB in the end (delta: 9.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-06 01:02:27,340 INFO L158 Benchmark]: RCFGBuilder took 6471.66ms. Allocated memory was 142.6MB in the beginning and 1.2GB in the end (delta: 1.1GB). Free memory was 95.1MB in the beginning and 587.1MB in the end (delta: -491.9MB). Peak memory consumption was 592.0MB. Max. memory is 16.1GB. [2024-12-06 01:02:27,341 INFO L158 Benchmark]: CodeCheck took 389070.18ms. Allocated memory was 1.2GB in the beginning and 1.8GB in the end (delta: 570.4MB). Free memory was 587.1MB in the beginning and 1.2GB in the end (delta: -621.8MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 01:02:27,341 INFO L158 Benchmark]: Witness Printer took 155.51ms. Allocated memory is still 1.8GB. Free memory was 1.2GB in the beginning and 1.2GB in the end (delta: 16.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-12-06 01:02:27,343 INFO L338 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, 9 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 388.6s, OverallIterations: 9, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 395 SdHoareTripleChecker+Valid, 59.8s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 343 mSDsluCounter, 386 SdHoareTripleChecker+Invalid, 59.3s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 236 mSDsCounter, 190 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 967 IncrementalHoareTripleChecker+Invalid, 1157 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 190 mSolverCounterUnsat, 150 mSDtfsCounter, 967 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 1110 GetRequests, 993 SyntacticMatches, 43 SemanticMatches, 74 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2559 ImplicationChecksByTransitivity, 2.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.1s SsaConstructionTime, 3.0s SatisfiabilityAnalysisTime, 374.0s InterpolantComputationTime, 112 NumberOfCodeBlocks, 112 NumberOfCodeBlocksAsserted, 8 NumberOfCheckSat, 104 ConstructedInterpolants, 0 QuantifiedInterpolants, 1374 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 8 InterpolantComputations, 1 PerfectInterpolantSequences, 60/122 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available, ConComCheckerStatistics: No data available - PositiveResult [Line: 142]: a call to reach_error is unreachable For all program executions holds that a call to reach_error is unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 1044]: Loop Invariant Derived loop invariant: ((((((((a29 < 141) || (138 < a23)) || (((long long) a23 + 42) < 0)) || (245 < a29)) || (a25 != 12)) || (a4 != 1)) && (a3 == 1)) && (a8 == 15)) - InvariantResult [Line: 32]: Location Invariant Derived location invariant: ((((((((a29 < 141) || (138 < a23)) || (((long long) a23 + 42) < 0)) || (245 < a29)) || (a25 != 12)) || (a4 != 1)) && (a3 == 1)) && (a8 == 15)) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.24ms. Allocated memory is still 142.6MB. Free memory is still 82.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 506.60ms. Allocated memory is still 142.6MB. Free memory was 115.3MB in the beginning and 73.3MB in the end (delta: 41.9MB). Peak memory consumption was 41.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 105.08ms. Allocated memory is still 142.6MB. Free memory was 73.3MB in the beginning and 104.3MB in the end (delta: -31.0MB). Peak memory consumption was 27.0MB. Max. memory is 16.1GB. * Boogie Preprocessor took 98.45ms. Allocated memory is still 142.6MB. Free memory was 104.3MB in the beginning and 95.1MB in the end (delta: 9.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * RCFGBuilder took 6471.66ms. Allocated memory was 142.6MB in the beginning and 1.2GB in the end (delta: 1.1GB). Free memory was 95.1MB in the beginning and 587.1MB in the end (delta: -491.9MB). Peak memory consumption was 592.0MB. Max. memory is 16.1GB. * CodeCheck took 389070.18ms. Allocated memory was 1.2GB in the beginning and 1.8GB in the end (delta: 570.4MB). Free memory was 587.1MB in the beginning and 1.2GB in the end (delta: -621.8MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 155.51ms. Allocated memory is still 1.8GB. Free memory was 1.2GB in the beginning and 1.2GB in the end (delta: 16.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2024-12-06 01:02:27,365 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25b3da7f-a055-4f2d-86a9-fa227cdd76c8/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE