./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem08_label04.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_fd89ff7c-1bc5-4f0c-b22e-9d73ad81928f/bin/ukojak-verify-EEHR8qb7sm/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd89ff7c-1bc5-4f0c-b22e-9d73ad81928f/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_fd89ff7c-1bc5-4f0c-b22e-9d73ad81928f/bin/ukojak-verify-EEHR8qb7sm/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd89ff7c-1bc5-4f0c-b22e-9d73ad81928f/bin/ukojak-verify-EEHR8qb7sm/config/KojakReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem08_label04.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd89ff7c-1bc5-4f0c-b22e-9d73ad81928f/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_fd89ff7c-1bc5-4f0c-b22e-9d73ad81928f/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 6b1483a586f1700afc19142a8d2fdb6285a99b012dbc1292d1725b3c84403936 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 20:48:17,153 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 20:48:17,245 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd89ff7c-1bc5-4f0c-b22e-9d73ad81928f/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Reach-32bit-Kojak_Default.epf [2024-11-13 20:48:17,257 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-13 20:48:17,257 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-13 20:48:17,276 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 20:48:17,277 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 20:48:17,278 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-13 20:48:17,278 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 20:48:17,278 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 20:48:17,278 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 20:48:17,278 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 20:48:17,279 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-13 20:48:17,279 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-13 20:48:17,279 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-13 20:48:17,279 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 20:48:17,279 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 20:48:17,279 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 20:48:17,280 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 20:48:17,280 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 20:48:17,280 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-13 20:48:17,280 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 20:48:17,280 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 20:48:17,280 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-13 20:48:17,280 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-13 20:48:17,281 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-13 20:48:17,281 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 20:48:17,281 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 20:48:17,281 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 20:48:17,281 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 20:48:17,281 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 20:48:17,281 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-13 20:48:17,282 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-13 20:48:17,282 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_fd89ff7c-1bc5-4f0c-b22e-9d73ad81928f/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 -> 6b1483a586f1700afc19142a8d2fdb6285a99b012dbc1292d1725b3c84403936 [2024-11-13 20:48:17,547 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 20:48:17,556 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 20:48:17,558 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 20:48:17,560 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 20:48:17,560 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 20:48:17,562 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd89ff7c-1bc5-4f0c-b22e-9d73ad81928f/bin/ukojak-verify-EEHR8qb7sm/../../sv-benchmarks/c/eca-rers2012/Problem08_label04.c Unable to find full path for "g++" [2024-11-13 20:48:19,721 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 20:48:22,395 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 20:48:22,396 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd89ff7c-1bc5-4f0c-b22e-9d73ad81928f/sv-benchmarks/c/eca-rers2012/Problem08_label04.c [2024-11-13 20:48:22,679 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd89ff7c-1bc5-4f0c-b22e-9d73ad81928f/bin/ukojak-verify-EEHR8qb7sm/data/e8c5cdba7/79e2cba83af847fc9b99a98a0ba838ec/FLAG7f2b64701 [2024-11-13 20:48:22,696 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd89ff7c-1bc5-4f0c-b22e-9d73ad81928f/bin/ukojak-verify-EEHR8qb7sm/data/e8c5cdba7/79e2cba83af847fc9b99a98a0ba838ec [2024-11-13 20:48:22,699 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 20:48:22,700 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 20:48:22,702 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 20:48:22,702 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 20:48:22,707 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 20:48:22,708 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 08:48:22" (1/1) ... [2024-11-13 20:48:22,709 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@dfcd68 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:48:22, skipping insertion in model container [2024-11-13 20:48:22,710 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 08:48:22" (1/1) ... [2024-11-13 20:48:23,982 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 20:48:49,231 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_fd89ff7c-1bc5-4f0c-b22e-9d73ad81928f/sv-benchmarks/c/eca-rers2012/Problem08_label04.c[5710679,5710692] [2024-11-13 20:48:49,341 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 20:48:49,351 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 20:49:02,648 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_fd89ff7c-1bc5-4f0c-b22e-9d73ad81928f/sv-benchmarks/c/eca-rers2012/Problem08_label04.c[5710679,5710692] [2024-11-13 20:49:02,657 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 20:49:08,797 INFO L204 MainTranslator]: Completed translation [2024-11-13 20:49:08,798 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:49:08 WrapperNode [2024-11-13 20:49:08,799 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 20:49:08,800 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 20:49:08,800 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 20:49:08,800 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 20:49:08,807 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:49:08" (1/1) ... [2024-11-13 20:49:09,724 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:49:08" (1/1) ... [2024-11-13 20:49:13,632 INFO L138 Inliner]: procedures = 95, calls = 89, calls flagged for inlining = 84, calls inlined = 84, statements flattened = 184369 [2024-11-13 20:49:13,632 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 20:49:13,633 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 20:49:13,633 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 20:49:13,633 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 20:49:13,639 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:49:08" (1/1) ... [2024-11-13 20:49:13,640 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:49:08" (1/1) ... [2024-11-13 20:49:14,954 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:49:08" (1/1) ... [2024-11-13 20:49:14,955 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:49:08" (1/1) ... [2024-11-13 20:49:17,069 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:49:08" (1/1) ... [2024-11-13 20:49:17,482 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:49:08" (1/1) ... [2024-11-13 20:49:17,895 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:49:08" (1/1) ... [2024-11-13 20:49:18,014 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:49:08" (1/1) ... [2024-11-13 20:49:18,690 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 20:49:18,691 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 20:49:18,691 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 20:49:18,692 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 20:49:18,693 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:49:08" (1/1) ... [2024-11-13 20:49:18,703 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 20:49:18,726 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd89ff7c-1bc5-4f0c-b22e-9d73ad81928f/bin/ukojak-verify-EEHR8qb7sm/z3 [2024-11-13 20:49:18,743 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd89ff7c-1bc5-4f0c-b22e-9d73ad81928f/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-13 20:49:18,748 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd89ff7c-1bc5-4f0c-b22e-9d73ad81928f/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-13 20:49:18,779 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 20:49:18,779 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-13 20:49:18,780 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 20:49:18,780 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 20:49:19,039 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 20:49:19,041 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 20:50:50,635 INFO L? ?]: Removed 18108 outVars from TransFormulas that were not future-live. [2024-11-13 20:50:50,635 INFO L287 CfgBuilder]: Performing block encoding