./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem10_label04.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_77d0537d-29fc-4f06-8e20-ff218ce457cb/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77d0537d-29fc-4f06-8e20-ff218ce457cb/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_77d0537d-29fc-4f06-8e20-ff218ce457cb/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77d0537d-29fc-4f06-8e20-ff218ce457cb/bin/ukojak-verify-CZk0znPC7b/config/KojakReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem10_label04.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77d0537d-29fc-4f06-8e20-ff218ce457cb/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_77d0537d-29fc-4f06-8e20-ff218ce457cb/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 b7b6f186ede66b25b51c633a55bb25e291eb69596590009e014f685be0bc2be5 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-06 05:35:34,434 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-06 05:35:34,487 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77d0537d-29fc-4f06-8e20-ff218ce457cb/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-32bit-Kojak_Default.epf [2024-12-06 05:35:34,491 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-06 05:35:34,492 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-12-06 05:35:34,510 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-06 05:35:34,510 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-06 05:35:34,511 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-12-06 05:35:34,511 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-06 05:35:34,511 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-06 05:35:34,511 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-06 05:35:34,511 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-06 05:35:34,511 INFO L153 SettingsManager]: * sizeof long=4 [2024-12-06 05:35:34,511 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-12-06 05:35:34,512 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-12-06 05:35:34,512 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-06 05:35:34,512 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-06 05:35:34,512 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-06 05:35:34,512 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-06 05:35:34,512 INFO L153 SettingsManager]: * sizeof long double=12 [2024-12-06 05:35:34,512 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-06 05:35:34,512 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-06 05:35:34,512 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-06 05:35:34,512 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-06 05:35:34,512 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-06 05:35:34,512 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-06 05:35:34,512 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-06 05:35:34,513 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 05:35:34,513 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-06 05:35:34,513 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-06 05:35:34,513 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-06 05:35:34,513 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-12-06 05:35:34,513 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-12-06 05:35:34,513 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_77d0537d-29fc-4f06-8e20-ff218ce457cb/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 -> b7b6f186ede66b25b51c633a55bb25e291eb69596590009e014f685be0bc2be5 [2024-12-06 05:35:34,743 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-06 05:35:34,751 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-06 05:35:34,753 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-06 05:35:34,754 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-06 05:35:34,755 INFO L274 PluginConnector]: CDTParser initialized [2024-12-06 05:35:34,756 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77d0537d-29fc-4f06-8e20-ff218ce457cb/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/eca-rers2012/Problem10_label04.c [2024-12-06 05:35:37,409 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77d0537d-29fc-4f06-8e20-ff218ce457cb/bin/ukojak-verify-CZk0znPC7b/data/5c4424957/53cb5afa932a4dbcaded9c71fcbe4592/FLAG248213ee9 [2024-12-06 05:35:37,644 INFO L384 CDTParser]: Found 1 translation units. [2024-12-06 05:35:37,645 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77d0537d-29fc-4f06-8e20-ff218ce457cb/sv-benchmarks/c/eca-rers2012/Problem10_label04.c [2024-12-06 05:35:37,657 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77d0537d-29fc-4f06-8e20-ff218ce457cb/bin/ukojak-verify-CZk0znPC7b/data/5c4424957/53cb5afa932a4dbcaded9c71fcbe4592/FLAG248213ee9 [2024-12-06 05:35:37,671 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77d0537d-29fc-4f06-8e20-ff218ce457cb/bin/ukojak-verify-CZk0znPC7b/data/5c4424957/53cb5afa932a4dbcaded9c71fcbe4592 [2024-12-06 05:35:37,673 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-06 05:35:37,674 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-06 05:35:37,675 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-06 05:35:37,675 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-06 05:35:37,679 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-06 05:35:37,680 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 05:35:37" (1/1) ... [2024-12-06 05:35:37,681 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@51042656 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:35:37, skipping insertion in model container [2024-12-06 05:35:37,681 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 05:35:37" (1/1) ... [2024-12-06 05:35:37,711 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-06 05:35:37,866 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_77d0537d-29fc-4f06-8e20-ff218ce457cb/sv-benchmarks/c/eca-rers2012/Problem10_label04.c[7502,7515] [2024-12-06 05:35:37,954 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 05:35:37,961 INFO L200 MainTranslator]: Completed pre-run [2024-12-06 05:35:37,990 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_77d0537d-29fc-4f06-8e20-ff218ce457cb/sv-benchmarks/c/eca-rers2012/Problem10_label04.c[7502,7515] [2024-12-06 05:35:38,042 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 05:35:38,053 INFO L204 MainTranslator]: Completed translation [2024-12-06 05:35:38,054 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:35:38 WrapperNode [2024-12-06 05:35:38,054 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-06 05:35:38,055 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-06 05:35:38,055 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-06 05:35:38,055 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-06 05:35:38,061 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:35:38" (1/1) ... [2024-12-06 05:35:38,073 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:35:38" (1/1) ... [2024-12-06 05:35:38,121 INFO L138 Inliner]: procedures = 14, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 597 [2024-12-06 05:35:38,121 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-06 05:35:38,122 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-06 05:35:38,122 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-06 05:35:38,122 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-06 05:35:38,129 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:35:38" (1/1) ... [2024-12-06 05:35:38,129 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:35:38" (1/1) ... [2024-12-06 05:35:38,134 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:35:38" (1/1) ... [2024-12-06 05:35:38,135 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:35:38" (1/1) ... [2024-12-06 05:35:38,153 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:35:38" (1/1) ... [2024-12-06 05:35:38,155 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:35:38" (1/1) ... [2024-12-06 05:35:38,163 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:35:38" (1/1) ... [2024-12-06 05:35:38,167 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:35:38" (1/1) ... [2024-12-06 05:35:38,171 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:35:38" (1/1) ... [2024-12-06 05:35:38,179 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-06 05:35:38,180 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-06 05:35:38,180 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-06 05:35:38,180 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-06 05:35:38,181 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:35:38" (1/1) ... [2024-12-06 05:35:38,186 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 05:35:38,194 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77d0537d-29fc-4f06-8e20-ff218ce457cb/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-06 05:35:38,205 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77d0537d-29fc-4f06-8e20-ff218ce457cb/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-06 05:35:38,207 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77d0537d-29fc-4f06-8e20-ff218ce457cb/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-06 05:35:38,228 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-06 05:35:38,228 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-12-06 05:35:38,228 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-06 05:35:38,228 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-06 05:35:38,276 INFO L234 CfgBuilder]: Building ICFG [2024-12-06 05:35:38,278 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-06 05:35:39,240 INFO L? ?]: Removed 84 outVars from TransFormulas that were not future-live. [2024-12-06 05:35:39,240 INFO L283 CfgBuilder]: Performing block encoding [2024-12-06 05:35:40,939 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-06 05:35:40,939 INFO L312 CfgBuilder]: Removed 2 assume(true) statements. [2024-12-06 05:35:40,939 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 05:35:40 BoogieIcfgContainer [2024-12-06 05:35:40,940 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-06 05:35:40,940 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-12-06 05:35:40,940 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-12-06 05:35:40,947 INFO L274 PluginConnector]: CodeCheck initialized [2024-12-06 05:35:40,947 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 05:35:40" (1/1) ... [2024-12-06 05:35:40,953 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-06 05:35:40,983 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 05:35:40,988 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 9 states and 11 transitions. [2024-12-06 05:35:40,989 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 11 transitions. [2024-12-06 05:35:40,990 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2024-12-06 05:35:40,990 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 05:35:40,991 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 05:35:41,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:35:41,244 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 05:35:41,348 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 05:35:41,348 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 12 states and 15 transitions. [2024-12-06 05:35:41,348 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 15 transitions. [2024-12-06 05:35:41,348 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-12-06 05:35:41,349 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 05:35:41,349 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 05:35:41,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:35:49,944 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 05:35:50,365 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 05:35:50,366 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 19 states and 30 transitions. [2024-12-06 05:35:50,366 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 30 transitions. [2024-12-06 05:35:50,367 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-12-06 05:35:50,367 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 05:35:50,367 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 05:35:50,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:36:08,648 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 05:36:10,090 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 05:36:10,090 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 30 states and 57 transitions. [2024-12-06 05:36:10,090 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 57 transitions. [2024-12-06 05:36:10,090 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-12-06 05:36:10,090 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 05:36:10,091 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 05:36:10,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:36:24,396 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 05:36:25,586 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 05:36:25,587 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 34 states and 72 transitions. [2024-12-06 05:36:25,587 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 72 transitions. [2024-12-06 05:36:25,587 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2024-12-06 05:36:25,587 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 05:36:25,588 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 05:36:25,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:36:34,127 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 10 proven. 3 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-12-06 05:36:34,717 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 05:36:34,717 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 36 states and 78 transitions. [2024-12-06 05:36:34,717 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 78 transitions. [2024-12-06 05:36:34,718 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2024-12-06 05:36:34,718 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 05:36:34,718 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 05:36:34,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:36:43,815 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 10 proven. 3 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-12-06 05:36:44,088 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 05:36:44,089 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 37 states and 79 transitions. [2024-12-06 05:36:44,089 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 79 transitions. [2024-12-06 05:36:44,089 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2024-12-06 05:36:44,089 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 05:36:44,089 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 05:36:44,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:36:56,495 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 1 proven. 17 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-12-06 05:36:56,905 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 05:36:56,906 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 39 states and 82 transitions. [2024-12-06 05:36:56,906 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 82 transitions. [2024-12-06 05:36:56,906 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2024-12-06 05:36:56,906 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 05:36:56,906 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 05:36:57,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:37:26,568 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 4 proven. 9 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-12-06 05:37:26,986 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 05:37:26,986 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 30 states and 65 transitions. [2024-12-06 05:37:26,987 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 65 transitions. [2024-12-06 05:37:26,987 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-12-06 05:37:26,987 WARN L417 CodeCheckObserver]: This Program is SAFE, Check terminated with 9 iterations. [2024-12-06 05:37:26,994 INFO L726 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2024-12-06 05:37:27,417 INFO L77 FloydHoareUtils]: At program point L597(line 597) the Hoare annotation is: (and (or (not (= ~a19~0 6)) (not (= ~a10~0 1)) (< (+ ~a1~0 12) 0) (< 38 ~a1~0)) (= 14 ~a4~0) (= ~a12~0 0)) [2024-12-06 05:37:27,417 INFO L77 FloydHoareUtils]: At program point L208-1(lines 30 584) the Hoare annotation is: (let ((.cse0 (= 14 ~a4~0)) (.cse1 (= ~a12~0 0))) (or (and (not (= ~a19~0 6)) .cse0 .cse1) (and (not (= ~a10~0 2)) (not (= ~a10~0 1)) .cse0 .cse1) (and .cse0 (or (< (+ ~a1~0 12) 0) (< 38 ~a1~0)) .cse1))) [2024-12-06 05:37:27,417 INFO L77 FloydHoareUtils]: At program point L211-1(lines 30 584) the Hoare annotation is: (and (or (not (= ~a19~0 6)) (not (= ~a10~0 1)) (< (+ ~a1~0 12) 0) (< 38 ~a1~0)) (= 14 ~a4~0) (= ~a12~0 0)) [2024-12-06 05:37:27,417 INFO L75 FloydHoareUtils]: For program point L212(line 212) no Hoare annotation was computed. [2024-12-06 05:37:27,417 INFO L77 FloydHoareUtils]: At program point L586(lines 586 602) the Hoare annotation is: true [2024-12-06 05:37:27,418 INFO L77 FloydHoareUtils]: At program point ULTIMATE.startEXIT(line -1) the Hoare annotation is: true [2024-12-06 05:37:27,418 INFO L77 FloydHoareUtils]: At program point $Ultimate##0(line -1) the Hoare annotation is: true [2024-12-06 05:37:27,418 INFO L77 FloydHoareUtils]: At program point L592-2(lines 592 601) the Hoare annotation is: (and (or (not (= ~a19~0 6)) (not (= ~a10~0 1)) (< (+ ~a1~0 12) 0) (< 38 ~a1~0)) (= 14 ~a4~0) (= ~a12~0 0)) [2024-12-06 05:37:27,418 INFO L75 FloydHoareUtils]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 212) no Hoare annotation was computed. [2024-12-06 05:37:27,429 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 06.12 05:37:27 ImpRootNode [2024-12-06 05:37:27,429 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-12-06 05:37:27,430 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-12-06 05:37:27,430 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-12-06 05:37:27,430 INFO L274 PluginConnector]: Witness Printer initialized [2024-12-06 05:37:27,431 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 05:35:40" (3/4) ... [2024-12-06 05:37:27,433 INFO L146 WitnessPrinter]: Generating witness for correct program [2024-12-06 05:37:27,446 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 194 nodes and edges [2024-12-06 05:37:27,447 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 16 nodes and edges [2024-12-06 05:37:27,448 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2024-12-06 05:37:27,449 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-12-06 05:37:27,548 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77d0537d-29fc-4f06-8e20-ff218ce457cb/bin/ukojak-verify-CZk0znPC7b/witness.graphml [2024-12-06 05:37:27,548 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77d0537d-29fc-4f06-8e20-ff218ce457cb/bin/ukojak-verify-CZk0znPC7b/witness.yml [2024-12-06 05:37:27,548 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-12-06 05:37:27,549 INFO L158 Benchmark]: Toolchain (without parser) took 109874.70ms. Allocated memory was 117.4MB in the beginning and 1.3GB in the end (delta: 1.2GB). Free memory was 91.2MB in the beginning and 625.1MB in the end (delta: -533.9MB). Peak memory consumption was 637.9MB. Max. memory is 16.1GB. [2024-12-06 05:37:27,549 INFO L158 Benchmark]: CDTParser took 0.28ms. Allocated memory is still 117.4MB. Free memory is still 73.0MB. There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 05:37:27,549 INFO L158 Benchmark]: CACSL2BoogieTranslator took 379.11ms. Allocated memory is still 117.4MB. Free memory was 90.9MB in the beginning and 64.0MB in the end (delta: 27.0MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2024-12-06 05:37:27,550 INFO L158 Benchmark]: Boogie Procedure Inliner took 66.63ms. Allocated memory is still 117.4MB. Free memory was 64.0MB in the beginning and 56.3MB in the end (delta: 7.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-06 05:37:27,550 INFO L158 Benchmark]: Boogie Preprocessor took 56.98ms. Allocated memory is still 117.4MB. Free memory was 56.3MB in the beginning and 51.6MB in the end (delta: 4.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-06 05:37:27,550 INFO L158 Benchmark]: RCFGBuilder took 2760.01ms. Allocated memory was 117.4MB in the beginning and 302.0MB in the end (delta: 184.5MB). Free memory was 51.6MB in the beginning and 209.0MB in the end (delta: -157.3MB). Peak memory consumption was 153.4MB. Max. memory is 16.1GB. [2024-12-06 05:37:27,551 INFO L158 Benchmark]: CodeCheck took 106489.03ms. Allocated memory was 302.0MB in the beginning and 1.3GB in the end (delta: 989.9MB). Free memory was 209.0MB in the beginning and 637.5MB in the end (delta: -428.5MB). Peak memory consumption was 560.0MB. Max. memory is 16.1GB. [2024-12-06 05:37:27,551 INFO L158 Benchmark]: Witness Printer took 118.41ms. Allocated memory is still 1.3GB. Free memory was 637.5MB in the beginning and 625.1MB in the end (delta: 12.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-06 05:37:27,553 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: 106.0s, OverallIterations: 9, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 334 SdHoareTripleChecker+Valid, 4.7s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 292 mSDsluCounter, 284 SdHoareTripleChecker+Invalid, 4.4s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 168 mSDsCounter, 190 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 1040 IncrementalHoareTripleChecker+Invalid, 1230 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 190 mSolverCounterUnsat, 116 mSDtfsCounter, 1040 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 1151 GetRequests, 984 SyntacticMatches, 55 SemanticMatches, 112 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6191 ImplicationChecksByTransitivity, 4.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 100.5s InterpolantComputationTime, 108 NumberOfCodeBlocks, 108 NumberOfCodeBlocksAsserted, 8 NumberOfCheckSat, 100 ConstructedInterpolants, 0 QuantifiedInterpolants, 1429 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 8 InterpolantComputations, 1 PerfectInterpolantSequences, 52/107 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: 212]: 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: ((((((a19 != 6) || (a10 != 1)) || (((long long) a1 + 12) < 0)) || (38 < a1)) && (14 == a4)) && (a12 == 0)) - InvariantResult [Line: 30]: Location Invariant Derived location invariant: ((((((a19 != 6) || (a10 != 1)) || (((long long) a1 + 12) < 0)) || (38 < a1)) && (14 == a4)) && (a12 == 0)) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.28ms. Allocated memory is still 117.4MB. Free memory is still 73.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 379.11ms. Allocated memory is still 117.4MB. Free memory was 90.9MB in the beginning and 64.0MB in the end (delta: 27.0MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 66.63ms. Allocated memory is still 117.4MB. Free memory was 64.0MB in the beginning and 56.3MB in the end (delta: 7.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 56.98ms. Allocated memory is still 117.4MB. Free memory was 56.3MB in the beginning and 51.6MB in the end (delta: 4.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * RCFGBuilder took 2760.01ms. Allocated memory was 117.4MB in the beginning and 302.0MB in the end (delta: 184.5MB). Free memory was 51.6MB in the beginning and 209.0MB in the end (delta: -157.3MB). Peak memory consumption was 153.4MB. Max. memory is 16.1GB. * CodeCheck took 106489.03ms. Allocated memory was 302.0MB in the beginning and 1.3GB in the end (delta: 989.9MB). Free memory was 209.0MB in the beginning and 637.5MB in the end (delta: -428.5MB). Peak memory consumption was 560.0MB. Max. memory is 16.1GB. * Witness Printer took 118.41ms. Allocated memory is still 1.3GB. Free memory was 637.5MB in the beginning and 625.1MB in the end (delta: 12.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2024-12-06 05:37:27,569 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77d0537d-29fc-4f06-8e20-ff218ce457cb/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