./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/nla-digbench-scaling/egcd-ll_unwindbound2.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 826ab2ba Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd654343-dad0-407b-b2cc-bd5a1a5c244f/bin/ukojak-verify-EEHR8qb7sm/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd654343-dad0-407b-b2cc-bd5a1a5c244f/bin/ukojak-verify-EEHR8qb7sm/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd654343-dad0-407b-b2cc-bd5a1a5c244f/bin/ukojak-verify-EEHR8qb7sm/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd654343-dad0-407b-b2cc-bd5a1a5c244f/bin/ukojak-verify-EEHR8qb7sm/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/egcd-ll_unwindbound2.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd654343-dad0-407b-b2cc-bd5a1a5c244f/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd654343-dad0-407b-b2cc-bd5a1a5c244f/bin/ukojak-verify-EEHR8qb7sm --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 dad54faad409a509f8fe160c736fa981b1b72909c611eb2d7f09e49e6ca0dfcb --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 16:52:00,671 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 16:52:00,749 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd654343-dad0-407b-b2cc-bd5a1a5c244f/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Reach-32bit-Kojak_Default.epf [2024-11-13 16:52:00,758 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-13 16:52:00,761 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-13 16:52:00,790 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 16:52:00,791 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 16:52:00,791 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-13 16:52:00,791 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 16:52:00,792 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 16:52:00,792 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 16:52:00,792 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 16:52:00,792 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-13 16:52:00,792 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-13 16:52:00,792 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-13 16:52:00,792 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 16:52:00,792 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 16:52:00,792 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 16:52:00,792 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 16:52:00,792 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 16:52:00,793 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-13 16:52:00,793 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 16:52:00,793 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 16:52:00,793 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-13 16:52:00,793 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-13 16:52:00,793 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-13 16:52:00,793 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 16:52:00,793 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 16:52:00,793 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 16:52:00,793 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 16:52:00,794 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 16:52:00,794 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-13 16:52:00,794 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-13 16:52:00,794 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_fd654343-dad0-407b-b2cc-bd5a1a5c244f/bin/ukojak-verify-EEHR8qb7sm 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 -> dad54faad409a509f8fe160c736fa981b1b72909c611eb2d7f09e49e6ca0dfcb [2024-11-13 16:52:01,075 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 16:52:01,087 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 16:52:01,091 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 16:52:01,093 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 16:52:01,093 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 16:52:01,095 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd654343-dad0-407b-b2cc-bd5a1a5c244f/bin/ukojak-verify-EEHR8qb7sm/../../sv-benchmarks/c/nla-digbench-scaling/egcd-ll_unwindbound2.c Unable to find full path for "g++" [2024-11-13 16:52:03,057 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 16:52:03,305 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 16:52:03,306 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd654343-dad0-407b-b2cc-bd5a1a5c244f/sv-benchmarks/c/nla-digbench-scaling/egcd-ll_unwindbound2.c [2024-11-13 16:52:03,318 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd654343-dad0-407b-b2cc-bd5a1a5c244f/bin/ukojak-verify-EEHR8qb7sm/data/842afef53/a10ef349be8e43b8a5b522bfda6131a9/FLAGa5144f509 [2024-11-13 16:52:03,347 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd654343-dad0-407b-b2cc-bd5a1a5c244f/bin/ukojak-verify-EEHR8qb7sm/data/842afef53/a10ef349be8e43b8a5b522bfda6131a9 [2024-11-13 16:52:03,350 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 16:52:03,351 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 16:52:03,353 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 16:52:03,355 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 16:52:03,360 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 16:52:03,361 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 04:52:03" (1/1) ... [2024-11-13 16:52:03,362 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@c3cbf95 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:52:03, skipping insertion in model container [2024-11-13 16:52:03,365 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 04:52:03" (1/1) ... [2024-11-13 16:52:03,382 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 16:52:03,565 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_fd654343-dad0-407b-b2cc-bd5a1a5c244f/sv-benchmarks/c/nla-digbench-scaling/egcd-ll_unwindbound2.c[489,502] [2024-11-13 16:52:03,592 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 16:52:03,604 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 16:52:03,618 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_fd654343-dad0-407b-b2cc-bd5a1a5c244f/sv-benchmarks/c/nla-digbench-scaling/egcd-ll_unwindbound2.c[489,502] [2024-11-13 16:52:03,633 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 16:52:03,654 INFO L204 MainTranslator]: Completed translation [2024-11-13 16:52:03,655 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:52:03 WrapperNode [2024-11-13 16:52:03,655 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 16:52:03,657 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 16:52:03,657 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 16:52:03,657 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 16:52:03,667 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:52:03" (1/1) ... [2024-11-13 16:52:03,673 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:52:03" (1/1) ... [2024-11-13 16:52:03,692 INFO L138 Inliner]: procedures = 14, calls = 16, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 59 [2024-11-13 16:52:03,692 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 16:52:03,693 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 16:52:03,694 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 16:52:03,694 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 16:52:03,702 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:52:03" (1/1) ... [2024-11-13 16:52:03,703 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:52:03" (1/1) ... [2024-11-13 16:52:03,708 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:52:03" (1/1) ... [2024-11-13 16:52:03,709 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:52:03" (1/1) ... [2024-11-13 16:52:03,711 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:52:03" (1/1) ... [2024-11-13 16:52:03,719 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:52:03" (1/1) ... [2024-11-13 16:52:03,720 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:52:03" (1/1) ... [2024-11-13 16:52:03,724 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:52:03" (1/1) ... [2024-11-13 16:52:03,726 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 16:52:03,727 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 16:52:03,727 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 16:52:03,727 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 16:52:03,728 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:52:03" (1/1) ... [2024-11-13 16:52:03,740 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 16:52:03,756 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd654343-dad0-407b-b2cc-bd5a1a5c244f/bin/ukojak-verify-EEHR8qb7sm/z3 [2024-11-13 16:52:03,768 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd654343-dad0-407b-b2cc-bd5a1a5c244f/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-13 16:52:03,775 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd654343-dad0-407b-b2cc-bd5a1a5c244f/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-13 16:52:03,803 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 16:52:03,804 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-13 16:52:03,804 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-13 16:52:03,804 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-13 16:52:03,805 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 16:52:03,806 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 16:52:03,806 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-13 16:52:03,806 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-13 16:52:03,873 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 16:52:03,876 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 16:52:04,043 INFO L? ?]: Removed 5 outVars from TransFormulas that were not future-live. [2024-11-13 16:52:04,043 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 16:52:04,086 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 16:52:04,086 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-13 16:52:04,087 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 04:52:04 BoogieIcfgContainer [2024-11-13 16:52:04,087 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 16:52:04,087 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-13 16:52:04,088 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-13 16:52:04,099 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-13 16:52:04,099 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 04:52:04" (1/1) ... [2024-11-13 16:52:04,108 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 16:52:04,152 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 16:52:04,162 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 24 states and 34 transitions. [2024-11-13 16:52:04,163 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 34 transitions. [2024-11-13 16:52:04,167 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-11-13 16:52:04,168 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 16:52:04,169 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 16:52:04,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:52:04,332 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-13 16:52:04,367 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 16:52:04,367 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 24 states and 32 transitions. [2024-11-13 16:52:04,367 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 32 transitions. [2024-11-13 16:52:04,368 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2024-11-13 16:52:04,368 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 16:52:04,368 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 16:52:04,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:52:04,558 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-13 16:52:04,626 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 16:52:04,627 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 26 states and 35 transitions. [2024-11-13 16:52:04,627 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 35 transitions. [2024-11-13 16:52:04,627 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2024-11-13 16:52:04,627 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 16:52:04,628 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 16:52:04,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 16:52:04,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:52:04,693 INFO L255 TraceCheckSpWp]: Trace formula consists of 65 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-13 16:52:04,701 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 16:52:04,868 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-13 16:52:05,286 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 16:52:05,287 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 31 states and 50 transitions. [2024-11-13 16:52:05,287 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 50 transitions. [2024-11-13 16:52:05,289 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-11-13 16:52:05,289 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 16:52:05,290 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 16:52:05,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 16:52:05,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:52:05,375 INFO L255 TraceCheckSpWp]: Trace formula consists of 74 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-13 16:52:05,377 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 16:52:05,493 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-13 16:52:06,052 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 16:52:06,054 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 35 states and 59 transitions. [2024-11-13 16:52:06,055 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 59 transitions. [2024-11-13 16:52:06,056 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2024-11-13 16:52:06,057 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 16:52:06,057 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 16:52:06,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 16:52:06,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:52:06,129 INFO L255 TraceCheckSpWp]: Trace formula consists of 83 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-13 16:52:06,131 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 16:52:06,449 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 1 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-13 16:52:07,670 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 16:52:07,673 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 40 states and 70 transitions. [2024-11-13 16:52:07,674 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 70 transitions. [2024-11-13 16:52:07,676 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2024-11-13 16:52:07,676 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 16:52:07,677 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 16:52:07,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:52:08,005 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2024-11-13 16:52:08,369 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 16:52:08,370 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 41 states and 70 transitions. [2024-11-13 16:52:08,370 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 70 transitions. [2024-11-13 16:52:08,371 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-13 16:52:08,371 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 16:52:08,371 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 16:52:08,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 16:52:08,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:52:08,423 INFO L255 TraceCheckSpWp]: Trace formula consists of 99 conjuncts, 18 conjuncts are in the unsatisfiable core [2024-11-13 16:52:08,428 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 16:52:08,827 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 6 proven. 4 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2024-11-13 16:52:10,134 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 16:52:10,137 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 46 states and 85 transitions. [2024-11-13 16:52:10,137 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 85 transitions. [2024-11-13 16:52:10,141 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-13 16:52:10,141 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 16:52:10,141 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 16:52:10,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:52:10,493 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 6 proven. 2 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2024-11-13 16:52:11,817 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 16:52:11,819 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 106 states to 52 states and 98 transitions. [2024-11-13 16:52:11,819 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 98 transitions. [2024-11-13 16:52:11,820 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-13 16:52:11,820 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 16:52:11,820 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 16:52:11,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 16:52:11,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:52:11,868 INFO L255 TraceCheckSpWp]: Trace formula consists of 99 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-13 16:52:11,870 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 16:52:12,066 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 6 proven. 3 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2024-11-13 16:52:12,729 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 16:52:12,731 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 110 states to 54 states and 102 transitions. [2024-11-13 16:52:12,732 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 102 transitions. [2024-11-13 16:52:12,733 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2024-11-13 16:52:12,735 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 16:52:12,735 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 16:52:12,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:52:13,340 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 10 proven. 7 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2024-11-13 16:52:14,548 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 16:52:14,549 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 123 states to 58 states and 113 transitions. [2024-11-13 16:52:14,550 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 113 transitions. [2024-11-13 16:52:14,552 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2024-11-13 16:52:14,554 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 16:52:14,554 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 16:52:14,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 16:52:14,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:52:14,618 INFO L255 TraceCheckSpWp]: Trace formula consists of 108 conjuncts, 23 conjuncts are in the unsatisfiable core [2024-11-13 16:52:14,620 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 16:52:15,382 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 8 proven. 4 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-11-13 16:52:18,966 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 16:52:18,967 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 148 states to 68 states and 138 transitions. [2024-11-13 16:52:18,967 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 138 transitions. [2024-11-13 16:52:18,969 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2024-11-13 16:52:18,969 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 16:52:18,969 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 16:52:19,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 16:52:19,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:52:19,062 INFO L255 TraceCheckSpWp]: Trace formula consists of 108 conjuncts, 23 conjuncts are in the unsatisfiable core [2024-11-13 16:52:19,064 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 16:52:19,448 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 8 proven. 4 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-11-13 16:52:20,779 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 16:52:20,781 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 153 states to 70 states and 143 transitions. [2024-11-13 16:52:20,781 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 143 transitions. [2024-11-13 16:52:20,782 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2024-11-13 16:52:20,782 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 16:52:20,782 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 16:52:20,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:52:21,020 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 9 proven. 13 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2024-11-13 16:52:23,001 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 16:52:23,002 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 152 states to 72 states and 144 transitions. [2024-11-13 16:52:23,003 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 144 transitions. [2024-11-13 16:52:23,004 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2024-11-13 16:52:23,007 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 16:52:23,007 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 16:52:23,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 16:52:23,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:52:23,082 INFO L255 TraceCheckSpWp]: Trace formula consists of 117 conjuncts, 23 conjuncts are in the unsatisfiable core [2024-11-13 16:52:23,084 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 16:52:23,686 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 10 proven. 5 refuted. 0 times theorem prover too weak. 42 trivial. 0 not checked. [2024-11-13 16:52:27,348 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 16:52:27,349 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 164 states to 77 states and 156 transitions. [2024-11-13 16:52:27,349 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 156 transitions. [2024-11-13 16:52:27,350 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2024-11-13 16:52:27,350 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 16:52:27,351 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 16:52:27,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 16:52:27,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:52:27,412 INFO L255 TraceCheckSpWp]: Trace formula consists of 117 conjuncts, 23 conjuncts are in the unsatisfiable core [2024-11-13 16:52:27,415 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 16:52:27,826 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 10 proven. 5 refuted. 0 times theorem prover too weak. 42 trivial. 0 not checked. [2024-11-13 16:52:29,800 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 16:52:29,801 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 170 states to 81 states and 162 transitions. [2024-11-13 16:52:29,803 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 162 transitions. [2024-11-13 16:52:29,804 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2024-11-13 16:52:29,805 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 16:52:29,805 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 16:52:29,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 16:52:29,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:52:29,863 INFO L255 TraceCheckSpWp]: Trace formula consists of 117 conjuncts, 23 conjuncts are in the unsatisfiable core [2024-11-13 16:52:29,865 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 16:52:30,260 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 10 proven. 5 refuted. 0 times theorem prover too weak. 42 trivial. 0 not checked. [2024-11-13 16:52:31,449 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 16:52:31,450 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 172 states to 83 states and 164 transitions. [2024-11-13 16:52:31,450 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 164 transitions. [2024-11-13 16:52:31,451 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2024-11-13 16:52:31,451 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 16:52:31,451 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 16:52:31,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:52:31,762 INFO L134 CoverageAnalysis]: Checked inductivity of 74 backedges. 17 proven. 10 refuted. 0 times theorem prover too weak. 47 trivial. 0 not checked. [2024-11-13 16:52:39,345 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 16:52:39,346 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 182 states to 87 states and 174 transitions. [2024-11-13 16:52:39,346 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 174 transitions. [2024-11-13 16:52:39,347 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2024-11-13 16:52:39,348 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 16:52:39,348 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 16:52:39,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 16:52:39,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 16:52:39,406 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 16:52:39,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 16:52:39,467 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 18 iterations. [2024-11-13 16:52:39,514 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 13.11 04:52:39 ImpRootNode [2024-11-13 16:52:39,514 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-13 16:52:39,515 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-13 16:52:39,515 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-13 16:52:39,515 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-13 16:52:39,516 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 04:52:04" (3/4) ... [2024-11-13 16:52:39,517 INFO L136 WitnessPrinter]: Generating witness for reachability counterexample [2024-11-13 16:52:39,597 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd654343-dad0-407b-b2cc-bd5a1a5c244f/bin/ukojak-verify-EEHR8qb7sm/witness.graphml [2024-11-13 16:52:39,597 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-13 16:52:39,601 INFO L158 Benchmark]: Toolchain (without parser) took 36246.96ms. Allocated memory was 117.4MB in the beginning and 218.1MB in the end (delta: 100.7MB). Free memory was 93.0MB in the beginning and 109.8MB in the end (delta: -16.8MB). Peak memory consumption was 80.5MB. Max. memory is 16.1GB. [2024-11-13 16:52:39,601 INFO L158 Benchmark]: CDTParser took 0.41ms. Allocated memory is still 117.4MB. Free memory is still 74.6MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 16:52:39,602 INFO L158 Benchmark]: CACSL2BoogieTranslator took 302.94ms. Allocated memory is still 117.4MB. Free memory was 92.8MB in the beginning and 81.3MB in the end (delta: 11.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 16:52:39,602 INFO L158 Benchmark]: Boogie Procedure Inliner took 35.62ms. Allocated memory is still 117.4MB. Free memory was 81.3MB in the beginning and 80.2MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 16:52:39,602 INFO L158 Benchmark]: Boogie Preprocessor took 33.40ms. Allocated memory is still 117.4MB. Free memory was 80.2MB in the beginning and 79.5MB in the end (delta: 736.1kB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 16:52:39,603 INFO L158 Benchmark]: RCFGBuilder took 360.03ms. Allocated memory is still 117.4MB. Free memory was 79.5MB in the beginning and 66.7MB in the end (delta: 12.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 16:52:39,603 INFO L158 Benchmark]: CodeCheck took 35426.41ms. Allocated memory was 117.4MB in the beginning and 218.1MB in the end (delta: 100.7MB). Free memory was 66.7MB in the beginning and 114.4MB in the end (delta: -47.7MB). Peak memory consumption was 55.3MB. Max. memory is 16.1GB. [2024-11-13 16:52:39,603 INFO L158 Benchmark]: Witness Printer took 82.73ms. Allocated memory is still 218.1MB. Free memory was 114.4MB in the beginning and 109.8MB in the end (delta: 4.6MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 16:52:39,607 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 3 procedures, 24 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 35.4s, OverallIterations: 18, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 1411 SdHoareTripleChecker+Valid, 11.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 368 mSDsluCounter, 928 SdHoareTripleChecker+Invalid, 9.8s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 62 mSDsCounter, 1513 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 4744 IncrementalHoareTripleChecker+Invalid, 6257 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 1513 mSolverCounterUnsat, 866 mSDtfsCounter, 4744 mSolverCounterSat, 0.2s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 4966 GetRequests, 4631 SyntacticMatches, 77 SemanticMatches, 258 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 29416 ImplicationChecksByTransitivity, 28.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.1s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 5.7s InterpolantComputationTime, 580 NumberOfCodeBlocks, 580 NumberOfCodeBlocksAsserted, 18 NumberOfCheckSat, 513 ConstructedInterpolants, 0 QuantifiedInterpolants, 3005 SizeOfPredicates, 30 NumberOfNonLiveVariables, 987 ConjunctsInSsa, 178 ConjunctsInUnsatCore, 17 InterpolantComputations, 5 PerfectInterpolantSequences, 452/515 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 - CounterExampleResult [Line: 13]: a call to reach_error is reachable a call to reach_error is reachable We found a FailurePath: [L18] int counter = 0; [L20] long long a, b, p, q, r, s; [L21] int x, y; [L22] x = __VERIFIER_nondet_int() [L23] y = __VERIFIER_nondet_int() [L24] CALL assume_abort_if_not(x >= 1) VAL [\old(cond)=1, counter=0] [L8] COND FALSE !(!cond) [L24] RET assume_abort_if_not(x >= 1) VAL [counter=0, x=4, y=3] [L25] CALL assume_abort_if_not(y >= 1) VAL [\old(cond)=1, counter=0] [L8] COND FALSE !(!cond) [L25] RET assume_abort_if_not(y >= 1) VAL [counter=0, x=4, y=3] [L27] a = x [L28] b = y [L29] p = 1 [L30] q = 0 [L31] r = 0 [L32] s = 1 VAL [a=4, b=3, counter=0, p=1, q=0, r=0, s=1, x=4, y=3] [L34] EXPR counter++ VAL [a=4, b=3, counter=1, p=1, q=0, r=0, s=1, x=4, y=3] [L34] COND TRUE counter++<2 [L35] CALL __VERIFIER_assert(1 == p * s - r * q) VAL [\old(cond)=1, counter=1] [L11] COND FALSE !(!(cond)) VAL [\old(cond)=1, counter=1] [L35] RET __VERIFIER_assert(1 == p * s - r * q) VAL [a=4, b=3, counter=1, p=1, q=0, r=0, s=1, x=4, y=3] [L36] CALL __VERIFIER_assert(a == y * r + x * p) VAL [\old(cond)=1, counter=1] [L11] COND FALSE !(!(cond)) VAL [\old(cond)=1, counter=1] [L36] RET __VERIFIER_assert(a == y * r + x * p) VAL [a=4, b=3, counter=1, p=1, q=0, r=0, s=1, x=4, y=3] [L37] CALL __VERIFIER_assert(b == x * q + y * s) VAL [\old(cond)=1, counter=1] [L11] COND FALSE !(!(cond)) VAL [\old(cond)=1, counter=1] [L37] RET __VERIFIER_assert(b == x * q + y * s) VAL [a=4, b=3, counter=1, p=1, q=0, r=0, s=1, x=4, y=3] [L39] COND FALSE !(!(a != b)) [L42] COND TRUE a > b [L43] a = a - b [L44] p = p - q [L45] r = r - s VAL [a=1, b=3, counter=1, p=1, q=0, r=-1, s=1, x=4, y=3] [L34] EXPR counter++ VAL [a=1, b=3, counter=2, p=1, q=0, r=-1, s=1, x=4, y=3] [L34] COND TRUE counter++<2 [L35] CALL __VERIFIER_assert(1 == p * s - r * q) VAL [\old(cond)=1, counter=2] [L11] COND FALSE !(!(cond)) VAL [\old(cond)=1, counter=2] [L35] RET __VERIFIER_assert(1 == p * s - r * q) VAL [a=1, b=3, counter=2, p=1, q=0, r=-1, s=1, x=4, y=3] [L36] CALL __VERIFIER_assert(a == y * r + x * p) VAL [\old(cond)=1, counter=2] [L11] COND FALSE !(!(cond)) VAL [\old(cond)=1, counter=2] [L36] RET __VERIFIER_assert(a == y * r + x * p) VAL [a=1, b=3, counter=2, p=1, q=0, r=-1, s=1, x=4, y=3] [L37] CALL __VERIFIER_assert(b == x * q + y * s) VAL [\old(cond)=1, counter=2] [L11] COND FALSE !(!(cond)) VAL [\old(cond)=1, counter=2] [L37] RET __VERIFIER_assert(b == x * q + y * s) VAL [a=1, b=3, counter=2, p=1, q=0, r=-1, s=1, x=4, y=3] [L39] COND FALSE !(!(a != b)) [L42] COND FALSE !(a > b) [L47] b = b - a [L48] q = q - p [L49] s = s - r VAL [a=1, b=2, counter=2, p=1, q=-1, r=-1, s=2, x=4, y=3] [L34] EXPR counter++ VAL [a=1, b=2, counter=3, p=1, q=-1, r=-1, s=2, x=4, y=3] [L34] COND FALSE !(counter++<2) [L53] CALL __VERIFIER_assert(a - b == 0) VAL [\old(cond)=0, counter=3] [L11] COND TRUE !(cond) VAL [\old(cond)=0, counter=3] [L13] reach_error() VAL [\old(cond)=0, counter=3] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.41ms. Allocated memory is still 117.4MB. Free memory is still 74.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 302.94ms. Allocated memory is still 117.4MB. Free memory was 92.8MB in the beginning and 81.3MB in the end (delta: 11.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 35.62ms. Allocated memory is still 117.4MB. Free memory was 81.3MB in the beginning and 80.2MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 33.40ms. Allocated memory is still 117.4MB. Free memory was 80.2MB in the beginning and 79.5MB in the end (delta: 736.1kB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * RCFGBuilder took 360.03ms. Allocated memory is still 117.4MB. Free memory was 79.5MB in the beginning and 66.7MB in the end (delta: 12.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * CodeCheck took 35426.41ms. Allocated memory was 117.4MB in the beginning and 218.1MB in the end (delta: 100.7MB). Free memory was 66.7MB in the beginning and 114.4MB in the end (delta: -47.7MB). Peak memory consumption was 55.3MB. Max. memory is 16.1GB. * Witness Printer took 82.73ms. Allocated memory is still 218.1MB. Free memory was 114.4MB in the beginning and 109.8MB in the end (delta: 4.6MB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be incorrect! [2024-11-13 16:52:39,649 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd654343-dad0-407b-b2cc-bd5a1a5c244f/bin/ukojak-verify-EEHR8qb7sm/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 Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE