./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem15_label03.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_5c7872e8-6717-4471-b84a-90dde1da49dc/bin/ukojak-verify-EEHR8qb7sm/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c7872e8-6717-4471-b84a-90dde1da49dc/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_5c7872e8-6717-4471-b84a-90dde1da49dc/bin/ukojak-verify-EEHR8qb7sm/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c7872e8-6717-4471-b84a-90dde1da49dc/bin/ukojak-verify-EEHR8qb7sm/config/KojakReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem15_label03.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c7872e8-6717-4471-b84a-90dde1da49dc/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_5c7872e8-6717-4471-b84a-90dde1da49dc/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 f98e4f4a763d24bf8ac0e3bba633d7b3746bb8ffa3965bd124d2a627886885a7 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 21:48:51,127 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 21:48:51,206 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c7872e8-6717-4471-b84a-90dde1da49dc/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Reach-32bit-Kojak_Default.epf [2024-11-13 21:48:51,214 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-13 21:48:51,214 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-13 21:48:51,234 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 21:48:51,235 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 21:48:51,235 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-13 21:48:51,235 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 21:48:51,235 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 21:48:51,236 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 21:48:51,236 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 21:48:51,236 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-13 21:48:51,236 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-13 21:48:51,236 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-13 21:48:51,236 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 21:48:51,236 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 21:48:51,236 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 21:48:51,236 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 21:48:51,236 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 21:48:51,236 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-13 21:48:51,237 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 21:48:51,237 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 21:48:51,237 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-13 21:48:51,237 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-13 21:48:51,237 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-13 21:48:51,237 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 21:48:51,237 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 21:48:51,237 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 21:48:51,238 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 21:48:51,238 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 21:48:51,238 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-13 21:48:51,238 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-13 21:48:51,239 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_5c7872e8-6717-4471-b84a-90dde1da49dc/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 -> f98e4f4a763d24bf8ac0e3bba633d7b3746bb8ffa3965bd124d2a627886885a7 [2024-11-13 21:48:51,519 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 21:48:51,528 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 21:48:51,531 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 21:48:51,532 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 21:48:51,532 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 21:48:51,534 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c7872e8-6717-4471-b84a-90dde1da49dc/bin/ukojak-verify-EEHR8qb7sm/../../sv-benchmarks/c/eca-rers2012/Problem15_label03.c Unable to find full path for "g++" [2024-11-13 21:48:53,570 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 21:48:53,994 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 21:48:53,996 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c7872e8-6717-4471-b84a-90dde1da49dc/sv-benchmarks/c/eca-rers2012/Problem15_label03.c [2024-11-13 21:48:54,034 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c7872e8-6717-4471-b84a-90dde1da49dc/bin/ukojak-verify-EEHR8qb7sm/data/12ecee68d/50d6f9ba15a1403bba049fe91ad37376/FLAG0761fc75d [2024-11-13 21:48:54,055 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c7872e8-6717-4471-b84a-90dde1da49dc/bin/ukojak-verify-EEHR8qb7sm/data/12ecee68d/50d6f9ba15a1403bba049fe91ad37376 [2024-11-13 21:48:54,058 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 21:48:54,059 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 21:48:54,061 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 21:48:54,061 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 21:48:54,065 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 21:48:54,066 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 09:48:54" (1/1) ... [2024-11-13 21:48:54,067 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@42c9e3b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:48:54, skipping insertion in model container [2024-11-13 21:48:54,068 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 09:48:54" (1/1) ... [2024-11-13 21:48:54,146 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 21:48:54,353 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_5c7872e8-6717-4471-b84a-90dde1da49dc/sv-benchmarks/c/eca-rers2012/Problem15_label03.c[2937,2950] [2024-11-13 21:48:54,841 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 21:48:54,852 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 21:48:54,877 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_5c7872e8-6717-4471-b84a-90dde1da49dc/sv-benchmarks/c/eca-rers2012/Problem15_label03.c[2937,2950] [2024-11-13 21:48:55,151 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 21:48:55,169 INFO L204 MainTranslator]: Completed translation [2024-11-13 21:48:55,170 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:48:55 WrapperNode [2024-11-13 21:48:55,171 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 21:48:55,172 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 21:48:55,172 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 21:48:55,173 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 21:48:55,180 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:48:55" (1/1) ... [2024-11-13 21:48:55,226 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:48:55" (1/1) ... [2024-11-13 21:48:55,480 INFO L138 Inliner]: procedures = 15, calls = 9, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 1759 [2024-11-13 21:48:55,481 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 21:48:55,482 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 21:48:55,482 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 21:48:55,482 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 21:48:55,490 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:48:55" (1/1) ... [2024-11-13 21:48:55,490 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:48:55" (1/1) ... [2024-11-13 21:48:55,529 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:48:55" (1/1) ... [2024-11-13 21:48:55,530 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:48:55" (1/1) ... [2024-11-13 21:48:55,666 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:48:55" (1/1) ... [2024-11-13 21:48:55,688 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:48:55" (1/1) ... [2024-11-13 21:48:55,722 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:48:55" (1/1) ... [2024-11-13 21:48:55,734 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:48:55" (1/1) ... [2024-11-13 21:48:55,772 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 21:48:55,774 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 21:48:55,774 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 21:48:55,774 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 21:48:55,776 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:48:55" (1/1) ... [2024-11-13 21:48:55,786 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 21:48:55,805 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c7872e8-6717-4471-b84a-90dde1da49dc/bin/ukojak-verify-EEHR8qb7sm/z3 [2024-11-13 21:48:55,821 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c7872e8-6717-4471-b84a-90dde1da49dc/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-13 21:48:55,825 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c7872e8-6717-4471-b84a-90dde1da49dc/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-13 21:48:55,854 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 21:48:55,854 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-13 21:48:55,854 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 21:48:55,854 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 21:48:55,937 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 21:48:55,939 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 21:48:59,312 INFO L? ?]: Removed 246 outVars from TransFormulas that were not future-live. [2024-11-13 21:48:59,312 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 21:49:24,332 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 21:49:24,332 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-13 21:49:24,332 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 09:49:24 BoogieIcfgContainer [2024-11-13 21:49:24,333 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 21:49:24,333 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-13 21:49:24,333 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-13 21:49:24,343 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-13 21:49:24,343 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 09:49:24" (1/1) ... [2024-11-13 21:49:24,352 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 21:49:24,404 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:49:24,411 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 9 states and 11 transitions. [2024-11-13 21:49:24,412 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 11 transitions. [2024-11-13 21:49:24,415 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2024-11-13 21:49:24,415 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:49:24,417 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:49:24,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:49:24,683 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 21:49:24,993 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:49:24,994 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 12 states and 14 transitions. [2024-11-13 21:49:24,994 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 14 transitions. [2024-11-13 21:49:24,994 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-11-13 21:49:24,994 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:49:24,995 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:49:26,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat