./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem07_label36.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_d8d65706-bf9c-4e45-8862-8f576d7f33ad/bin/ukojak-verify-EEHR8qb7sm/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8d65706-bf9c-4e45-8862-8f576d7f33ad/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_d8d65706-bf9c-4e45-8862-8f576d7f33ad/bin/ukojak-verify-EEHR8qb7sm/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8d65706-bf9c-4e45-8862-8f576d7f33ad/bin/ukojak-verify-EEHR8qb7sm/config/KojakReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem07_label36.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8d65706-bf9c-4e45-8862-8f576d7f33ad/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_d8d65706-bf9c-4e45-8862-8f576d7f33ad/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 0d57104f38c45893e27618b8d20450be720d8ef1c61fd58dd6e3586420b861c4 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 20:18:27,706 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 20:18:27,828 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8d65706-bf9c-4e45-8862-8f576d7f33ad/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Reach-32bit-Kojak_Default.epf [2024-11-13 20:18:27,834 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-13 20:18:27,834 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-13 20:18:27,873 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 20:18:27,875 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 20:18:27,875 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-13 20:18:27,876 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 20:18:27,876 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 20:18:27,878 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 20:18:27,878 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 20:18:27,878 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-13 20:18:27,878 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-13 20:18:27,879 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-13 20:18:27,879 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 20:18:27,879 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 20:18:27,879 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 20:18:27,880 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 20:18:27,880 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 20:18:27,880 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-13 20:18:27,880 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 20:18:27,880 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 20:18:27,880 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-13 20:18:27,880 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-13 20:18:27,880 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-13 20:18:27,881 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 20:18:27,881 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 20:18:27,882 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 20:18:27,882 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 20:18:27,882 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 20:18:27,882 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-13 20:18:27,882 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-13 20:18:27,883 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_d8d65706-bf9c-4e45-8862-8f576d7f33ad/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 -> 0d57104f38c45893e27618b8d20450be720d8ef1c61fd58dd6e3586420b861c4 [2024-11-13 20:18:28,258 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 20:18:28,272 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 20:18:28,277 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 20:18:28,279 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 20:18:28,279 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 20:18:28,281 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8d65706-bf9c-4e45-8862-8f576d7f33ad/bin/ukojak-verify-EEHR8qb7sm/../../sv-benchmarks/c/eca-rers2012/Problem07_label36.c Unable to find full path for "g++" [2024-11-13 20:18:30,541 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 20:18:32,386 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 20:18:32,386 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8d65706-bf9c-4e45-8862-8f576d7f33ad/sv-benchmarks/c/eca-rers2012/Problem07_label36.c [2024-11-13 20:18:32,574 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8d65706-bf9c-4e45-8862-8f576d7f33ad/bin/ukojak-verify-EEHR8qb7sm/data/e0902f865/b57b0f9d9cc24586b97fe4109e17343d/FLAG36edb88e0 [2024-11-13 20:18:32,591 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8d65706-bf9c-4e45-8862-8f576d7f33ad/bin/ukojak-verify-EEHR8qb7sm/data/e0902f865/b57b0f9d9cc24586b97fe4109e17343d [2024-11-13 20:18:32,594 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 20:18:32,596 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 20:18:32,597 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 20:18:32,598 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 20:18:32,603 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 20:18:32,604 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 08:18:32" (1/1) ... [2024-11-13 20:18:32,606 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@36c099f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:18:32, skipping insertion in model container [2024-11-13 20:18:32,608 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 08:18:32" (1/1) ... [2024-11-13 20:18:33,642 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 20:18:45,725 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_d8d65706-bf9c-4e45-8862-8f576d7f33ad/sv-benchmarks/c/eca-rers2012/Problem07_label36.c[2767794,2767807] [2024-11-13 20:18:45,791 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 20:18:45,802 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 20:18:52,833 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_d8d65706-bf9c-4e45-8862-8f576d7f33ad/sv-benchmarks/c/eca-rers2012/Problem07_label36.c[2767794,2767807] [2024-11-13 20:18:52,845 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 20:18:54,089 INFO L204 MainTranslator]: Completed translation [2024-11-13 20:18:54,090 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:18:54 WrapperNode [2024-11-13 20:18:54,091 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 20:18:54,092 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 20:18:54,092 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 20:18:54,092 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 20:18:54,098 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:18:54" (1/1) ... [2024-11-13 20:18:54,904 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:18:54" (1/1) ... [2024-11-13 20:18:58,918 INFO L138 Inliner]: procedures = 59, calls = 53, calls flagged for inlining = 48, calls inlined = 48, statements flattened = 83818 [2024-11-13 20:18:58,919 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 20:18:58,919 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 20:18:58,919 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 20:18:58,920 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 20:18:58,926 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:18:54" (1/1) ... [2024-11-13 20:18:58,926 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:18:54" (1/1) ... [2024-11-13 20:18:59,255 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:18:54" (1/1) ... [2024-11-13 20:18:59,256 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:18:54" (1/1) ... [2024-11-13 20:19:01,100 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:18:54" (1/1) ... [2024-11-13 20:19:01,362 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:18:54" (1/1) ... [2024-11-13 20:19:01,787 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:18:54" (1/1) ... [2024-11-13 20:19:01,891 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:18:54" (1/1) ... [2024-11-13 20:19:02,222 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 20:19:02,223 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 20:19:02,223 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 20:19:02,224 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 20:19:02,225 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:18:54" (1/1) ... [2024-11-13 20:19:02,232 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 20:19:02,257 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8d65706-bf9c-4e45-8862-8f576d7f33ad/bin/ukojak-verify-EEHR8qb7sm/z3 [2024-11-13 20:19:02,281 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8d65706-bf9c-4e45-8862-8f576d7f33ad/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-13 20:19:02,286 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8d65706-bf9c-4e45-8862-8f576d7f33ad/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-13 20:19:02,325 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 20:19:02,325 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-13 20:19:02,325 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 20:19:02,325 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 20:19:02,546 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 20:19:02,549 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 20:19:54,242 INFO L? ?]: Removed 10224 outVars from TransFormulas that were not future-live. [2024-11-13 20:19:54,242 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 20:19:55,568 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 20:19:55,568 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-13 20:19:55,569 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 08:19:55 BoogieIcfgContainer [2024-11-13 20:19:55,569 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 20:19:55,570 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-13 20:19:55,570 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-13 20:19:55,581 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-13 20:19:55,581 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 08:19:55" (1/1) ... [2024-11-13 20:19:55,593 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 20:19:55,776 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:19:55,835 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20217 states to 10135 states and 20217 transitions. [2024-11-13 20:19:55,836 INFO L276 IsEmpty]: Start isEmpty. Operand 10135 states and 20217 transitions. [2024-11-13 20:19:56,506 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10086 [2024-11-13 20:19:56,506 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:19:56,507 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 20:20:00,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat