./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem10_label08.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_40543ae3-789b-4ecb-b11e-48727ac67627/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40543ae3-789b-4ecb-b11e-48727ac67627/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_40543ae3-789b-4ecb-b11e-48727ac67627/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40543ae3-789b-4ecb-b11e-48727ac67627/bin/ukojak-verify-CZk0znPC7b/config/KojakReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem10_label08.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40543ae3-789b-4ecb-b11e-48727ac67627/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_40543ae3-789b-4ecb-b11e-48727ac67627/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 83ba8dc0b26e7572bb3969c6f3d087c218a7cd98d221b81c07246f42fbf2250b --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-06 03:52:21,602 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-06 03:52:21,658 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40543ae3-789b-4ecb-b11e-48727ac67627/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-32bit-Kojak_Default.epf [2024-12-06 03:52:21,662 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-06 03:52:21,662 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-12-06 03:52:21,680 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-06 03:52:21,680 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-06 03:52:21,681 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-12-06 03:52:21,681 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-06 03:52:21,681 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-06 03:52:21,681 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-06 03:52:21,681 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-06 03:52:21,682 INFO L153 SettingsManager]: * sizeof long=4 [2024-12-06 03:52:21,682 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-12-06 03:52:21,682 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-12-06 03:52:21,682 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-06 03:52:21,682 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-06 03:52:21,682 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-06 03:52:21,682 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-06 03:52:21,682 INFO L153 SettingsManager]: * sizeof long double=12 [2024-12-06 03:52:21,682 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-06 03:52:21,683 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-06 03:52:21,683 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-06 03:52:21,683 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-06 03:52:21,683 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-06 03:52:21,683 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-06 03:52:21,683 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-06 03:52:21,683 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 03:52:21,683 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-06 03:52:21,683 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-06 03:52:21,684 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-06 03:52:21,684 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-12-06 03:52:21,684 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-12-06 03:52:21,684 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_40543ae3-789b-4ecb-b11e-48727ac67627/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 -> 83ba8dc0b26e7572bb3969c6f3d087c218a7cd98d221b81c07246f42fbf2250b [2024-12-06 03:52:21,898 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-06 03:52:21,905 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-06 03:52:21,907 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-06 03:52:21,908 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-06 03:52:21,908 INFO L274 PluginConnector]: CDTParser initialized [2024-12-06 03:52:21,909 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40543ae3-789b-4ecb-b11e-48727ac67627/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/eca-rers2012/Problem10_label08.c [2024-12-06 03:52:24,556 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40543ae3-789b-4ecb-b11e-48727ac67627/bin/ukojak-verify-CZk0znPC7b/data/1d4875fe8/c0aca251f0b246e99776c995f61fa2e2/FLAG27eea351a [2024-12-06 03:52:24,831 INFO L384 CDTParser]: Found 1 translation units. [2024-12-06 03:52:24,831 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40543ae3-789b-4ecb-b11e-48727ac67627/sv-benchmarks/c/eca-rers2012/Problem10_label08.c [2024-12-06 03:52:24,845 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40543ae3-789b-4ecb-b11e-48727ac67627/bin/ukojak-verify-CZk0znPC7b/data/1d4875fe8/c0aca251f0b246e99776c995f61fa2e2/FLAG27eea351a [2024-12-06 03:52:25,115 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40543ae3-789b-4ecb-b11e-48727ac67627/bin/ukojak-verify-CZk0znPC7b/data/1d4875fe8/c0aca251f0b246e99776c995f61fa2e2 [2024-12-06 03:52:25,117 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-06 03:52:25,118 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-06 03:52:25,119 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-06 03:52:25,119 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-06 03:52:25,122 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-06 03:52:25,122 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 03:52:25" (1/1) ... [2024-12-06 03:52:25,123 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5e03cf98 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:52:25, skipping insertion in model container [2024-12-06 03:52:25,123 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 03:52:25" (1/1) ... [2024-12-06 03:52:25,151 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-06 03:52:25,309 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_40543ae3-789b-4ecb-b11e-48727ac67627/sv-benchmarks/c/eca-rers2012/Problem10_label08.c[4672,4685] [2024-12-06 03:52:25,410 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 03:52:25,419 INFO L200 MainTranslator]: Completed pre-run [2024-12-06 03:52:25,440 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_40543ae3-789b-4ecb-b11e-48727ac67627/sv-benchmarks/c/eca-rers2012/Problem10_label08.c[4672,4685] [2024-12-06 03:52:25,500 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 03:52:25,513 INFO L204 MainTranslator]: Completed translation [2024-12-06 03:52:25,514 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:52:25 WrapperNode [2024-12-06 03:52:25,514 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-06 03:52:25,515 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-06 03:52:25,515 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-06 03:52:25,515 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-06 03:52:25,521 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:52:25" (1/1) ... [2024-12-06 03:52:25,534 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:52:25" (1/1) ... [2024-12-06 03:52:25,580 INFO L138 Inliner]: procedures = 14, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 597 [2024-12-06 03:52:25,581 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-06 03:52:25,581 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-06 03:52:25,581 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-06 03:52:25,582 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-06 03:52:25,589 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:52:25" (1/1) ... [2024-12-06 03:52:25,589 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:52:25" (1/1) ... [2024-12-06 03:52:25,594 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:52:25" (1/1) ... [2024-12-06 03:52:25,594 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:52:25" (1/1) ... [2024-12-06 03:52:25,613 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:52:25" (1/1) ... [2024-12-06 03:52:25,615 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:52:25" (1/1) ... [2024-12-06 03:52:25,622 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:52:25" (1/1) ... [2024-12-06 03:52:25,625 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:52:25" (1/1) ... [2024-12-06 03:52:25,629 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:52:25" (1/1) ... [2024-12-06 03:52:25,636 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-06 03:52:25,637 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-06 03:52:25,637 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-06 03:52:25,637 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-06 03:52:25,638 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:52:25" (1/1) ... [2024-12-06 03:52:25,644 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 03:52:25,655 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40543ae3-789b-4ecb-b11e-48727ac67627/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-06 03:52:25,667 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40543ae3-789b-4ecb-b11e-48727ac67627/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-06 03:52:25,670 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40543ae3-789b-4ecb-b11e-48727ac67627/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-06 03:52:25,695 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-06 03:52:25,695 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-12-06 03:52:25,695 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-06 03:52:25,695 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-06 03:52:25,752 INFO L234 CfgBuilder]: Building ICFG [2024-12-06 03:52:25,753 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-06 03:52:26,672 INFO L? ?]: Removed 84 outVars from TransFormulas that were not future-live. [2024-12-06 03:52:26,673 INFO L283 CfgBuilder]: Performing block encoding [2024-12-06 03:52:28,370 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-06 03:52:28,370 INFO L312 CfgBuilder]: Removed 2 assume(true) statements. [2024-12-06 03:52:28,370 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 03:52:28 BoogieIcfgContainer [2024-12-06 03:52:28,370 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-06 03:52:28,371 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-12-06 03:52:28,371 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-12-06 03:52:28,378 INFO L274 PluginConnector]: CodeCheck initialized [2024-12-06 03:52:28,378 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 03:52:28" (1/1) ... [2024-12-06 03:52:28,384 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-06 03:52:28,424 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:52:28,429 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 9 states and 11 transitions. [2024-12-06 03:52:28,430 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 11 transitions. [2024-12-06 03:52:28,432 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2024-12-06 03:52:28,432 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:52:28,433 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 03:52:28,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:52:28,620 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 03:52:28,724 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:52:28,724 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 12 states and 14 transitions. [2024-12-06 03:52:28,724 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 14 transitions. [2024-12-06 03:52:28,725 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-12-06 03:52:28,725 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:52:28,725 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 03:52:28,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:52:37,110 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 03:52:37,393 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:52:37,394 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 19 states and 27 transitions. [2024-12-06 03:52:37,394 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 27 transitions. [2024-12-06 03:52:37,396 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-12-06 03:52:37,396 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:52:37,396 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 03:52:37,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:52:46,016 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 03:52:46,751 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:52:46,751 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42 states to 26 states and 42 transitions. [2024-12-06 03:52:46,752 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 42 transitions. [2024-12-06 03:52:46,752 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-12-06 03:52:46,752 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:52:46,752 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 03:52:46,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:53:00,672 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 03:53:01,180 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:53:01,180 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 31 states and 51 transitions. [2024-12-06 03:53:01,180 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 51 transitions. [2024-12-06 03:53:01,181 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2024-12-06 03:53:01,181 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:53:01,181 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 03:53:01,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:53:10,330 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 03:53:10,915 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:53:10,915 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 35 states and 55 transitions. [2024-12-06 03:53:10,916 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 55 transitions. [2024-12-06 03:53:10,916 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2024-12-06 03:53:10,916 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:53:10,916 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 03:53:11,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:53:22,041 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 03:53:22,232 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:53:22,232 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 20 states and 30 transitions. [2024-12-06 03:53:22,233 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 30 transitions. [2024-12-06 03:53:22,233 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-12-06 03:53:22,233 WARN L417 CodeCheckObserver]: This Program is SAFE, Check terminated with 7 iterations. [2024-12-06 03:53:22,241 INFO L726 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2024-12-06 03:53:22,530 INFO L77 FloydHoareUtils]: At program point L597(line 597) the Hoare annotation is: (let ((.cse0 (= 14 ~a4~0)) (.cse1 (= ~a12~0 0))) (or (and (< 6 ~a19~0) .cse0 .cse1) (and (or (< ~a19~0 6) (not (= ~a10~0 2)) (< (+ ~a1~0 13) 0)) .cse0 .cse1))) [2024-12-06 03:53:22,530 INFO L77 FloydHoareUtils]: At program point L586(lines 586 602) the Hoare annotation is: true [2024-12-06 03:53:22,531 INFO L77 FloydHoareUtils]: At program point ULTIMATE.startEXIT(line -1) the Hoare annotation is: true [2024-12-06 03:53:22,531 INFO L77 FloydHoareUtils]: At program point $Ultimate##0(line -1) the Hoare annotation is: true [2024-12-06 03:53:22,531 INFO L77 FloydHoareUtils]: At program point L592-2(lines 592 601) the Hoare annotation is: (let ((.cse0 (= 14 ~a4~0)) (.cse1 (= ~a12~0 0))) (or (and (< 6 ~a19~0) .cse0 .cse1) (and (or (< ~a19~0 6) (not (= ~a10~0 2)) (< (+ ~a1~0 13) 0)) .cse0 .cse1))) [2024-12-06 03:53:22,531 INFO L77 FloydHoareUtils]: At program point L130-1(lines 30 584) the Hoare annotation is: (let ((.cse0 (not (= ~a19~0 6)))) (and (or .cse0 (not (= ~a10~0 2)) (< (+ ~a1~0 12) 0) (< 38 ~a1~0)) (= 14 ~a4~0) (or .cse0 (not (= ~a10~0 0)) (< 0 (+ ~a1~0 13))) (= ~a12~0 0))) [2024-12-06 03:53:22,531 INFO L75 FloydHoareUtils]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 134) no Hoare annotation was computed. [2024-12-06 03:53:22,531 INFO L77 FloydHoareUtils]: At program point L133-1(lines 30 584) the Hoare annotation is: (let ((.cse0 (not (= ~a19~0 6)))) (and (or .cse0 (not (= ~a10~0 2)) (< (+ ~a1~0 12) 0) (< 38 ~a1~0)) (= 14 ~a4~0) (or .cse0 (not (= ~a10~0 0)) (< 0 (+ ~a1~0 13))) (= ~a12~0 0))) [2024-12-06 03:53:22,531 INFO L75 FloydHoareUtils]: For program point L134(line 134) no Hoare annotation was computed. [2024-12-06 03:53:22,544 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 06.12 03:53:22 ImpRootNode [2024-12-06 03:53:22,544 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-12-06 03:53:22,544 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-12-06 03:53:22,545 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-12-06 03:53:22,545 INFO L274 PluginConnector]: Witness Printer initialized [2024-12-06 03:53:22,545 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 03:52:28" (3/4) ... [2024-12-06 03:53:22,547 INFO L146 WitnessPrinter]: Generating witness for correct program [2024-12-06 03:53:22,559 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 194 nodes and edges [2024-12-06 03:53:22,560 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 15 nodes and edges [2024-12-06 03:53:22,561 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2024-12-06 03:53:22,562 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-12-06 03:53:22,675 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40543ae3-789b-4ecb-b11e-48727ac67627/bin/ukojak-verify-CZk0znPC7b/witness.graphml [2024-12-06 03:53:22,675 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40543ae3-789b-4ecb-b11e-48727ac67627/bin/ukojak-verify-CZk0znPC7b/witness.yml [2024-12-06 03:53:22,675 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-12-06 03:53:22,676 INFO L158 Benchmark]: Toolchain (without parser) took 57558.06ms. Allocated memory was 142.6MB in the beginning and 1.6GB in the end (delta: 1.5GB). Free memory was 117.3MB in the beginning and 668.8MB in the end (delta: -551.5MB). Peak memory consumption was 904.0MB. Max. memory is 16.1GB. [2024-12-06 03:53:22,676 INFO L158 Benchmark]: CDTParser took 0.23ms. Allocated memory is still 142.6MB. Free memory is still 82.6MB. There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 03:53:22,677 INFO L158 Benchmark]: CACSL2BoogieTranslator took 395.80ms. Allocated memory is still 142.6MB. Free memory was 117.0MB in the beginning and 90.0MB in the end (delta: 27.0MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2024-12-06 03:53:22,677 INFO L158 Benchmark]: Boogie Procedure Inliner took 65.80ms. Allocated memory is still 142.6MB. Free memory was 90.0MB in the beginning and 82.4MB in the end (delta: 7.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-06 03:53:22,677 INFO L158 Benchmark]: Boogie Preprocessor took 55.25ms. Allocated memory is still 142.6MB. Free memory was 82.4MB in the beginning and 77.8MB in the end (delta: 4.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-06 03:53:22,678 INFO L158 Benchmark]: RCFGBuilder took 2733.26ms. Allocated memory was 142.6MB in the beginning and 427.8MB in the end (delta: 285.2MB). Free memory was 77.8MB in the beginning and 172.3MB in the end (delta: -94.5MB). Peak memory consumption was 230.2MB. Max. memory is 16.1GB. [2024-12-06 03:53:22,678 INFO L158 Benchmark]: CodeCheck took 54172.89ms. Allocated memory was 427.8MB in the beginning and 1.6GB in the end (delta: 1.2GB). Free memory was 172.3MB in the beginning and 680.9MB in the end (delta: -508.6MB). Peak memory consumption was 665.4MB. Max. memory is 16.1GB. [2024-12-06 03:53:22,678 INFO L158 Benchmark]: Witness Printer took 130.88ms. Allocated memory is still 1.6GB. Free memory was 680.9MB in the beginning and 668.8MB in the end (delta: 12.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-06 03:53:22,680 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: 53.8s, OverallIterations: 7, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 212 SdHoareTripleChecker+Valid, 2.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 168 mSDsluCounter, 210 SdHoareTripleChecker+Invalid, 2.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 124 mSDsCounter, 89 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 435 IncrementalHoareTripleChecker+Invalid, 524 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 89 mSolverCounterUnsat, 86 mSDtfsCounter, 435 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 691 GetRequests, 585 SyntacticMatches, 32 SemanticMatches, 74 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2583 ImplicationChecksByTransitivity, 2.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 50.8s InterpolantComputationTime, 74 NumberOfCodeBlocks, 74 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 68 ConstructedInterpolants, 0 QuantifiedInterpolants, 905 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 6 InterpolantComputations, 1 PerfectInterpolantSequences, 24/65 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: 134]: 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: 592]: Loop Invariant Derived loop invariant: ((((6 < a19) && (14 == a4)) && (a12 == 0)) || (((((a19 < 6) || (a10 != 2)) || (((long long) a1 + 13) < 0)) && (14 == a4)) && (a12 == 0))) - InvariantResult [Line: 30]: Location Invariant Derived location invariant: (((((((a19 != 6) || (a10 != 2)) || (((long long) a1 + 12) < 0)) || (38 < a1)) && (14 == a4)) && (((a19 != 6) || (a10 != 0)) || (0 < ((long long) a1 + 13)))) && (a12 == 0)) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23ms. Allocated memory is still 142.6MB. Free memory is still 82.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 395.80ms. Allocated memory is still 142.6MB. Free memory was 117.0MB in the beginning and 90.0MB in the end (delta: 27.0MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 65.80ms. Allocated memory is still 142.6MB. Free memory was 90.0MB in the beginning and 82.4MB in the end (delta: 7.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 55.25ms. Allocated memory is still 142.6MB. Free memory was 82.4MB in the beginning and 77.8MB in the end (delta: 4.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * RCFGBuilder took 2733.26ms. Allocated memory was 142.6MB in the beginning and 427.8MB in the end (delta: 285.2MB). Free memory was 77.8MB in the beginning and 172.3MB in the end (delta: -94.5MB). Peak memory consumption was 230.2MB. Max. memory is 16.1GB. * CodeCheck took 54172.89ms. Allocated memory was 427.8MB in the beginning and 1.6GB in the end (delta: 1.2GB). Free memory was 172.3MB in the beginning and 680.9MB in the end (delta: -508.6MB). Peak memory consumption was 665.4MB. Max. memory is 16.1GB. * Witness Printer took 130.88ms. Allocated memory is still 1.6GB. Free memory was 680.9MB in the beginning and 668.8MB in the end (delta: 12.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2024-12-06 03:53:22,698 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40543ae3-789b-4ecb-b11e-48727ac67627/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