./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem18_label32.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_a3043774-52b3-4982-818b-4c5517d56eb2/bin/ukojak-verify-EEHR8qb7sm/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3043774-52b3-4982-818b-4c5517d56eb2/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_a3043774-52b3-4982-818b-4c5517d56eb2/bin/ukojak-verify-EEHR8qb7sm/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3043774-52b3-4982-818b-4c5517d56eb2/bin/ukojak-verify-EEHR8qb7sm/config/KojakReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem18_label32.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3043774-52b3-4982-818b-4c5517d56eb2/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_a3043774-52b3-4982-818b-4c5517d56eb2/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 9fe63c6822605a2b0612035ec90852abb82a2acf0695aaeb56ee53db058c6c96 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 20:36:31,798 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 20:36:31,861 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3043774-52b3-4982-818b-4c5517d56eb2/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Reach-32bit-Kojak_Default.epf [2024-11-13 20:36:31,866 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-13 20:36:31,867 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-13 20:36:31,890 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 20:36:31,891 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 20:36:31,891 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-13 20:36:31,892 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 20:36:31,892 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 20:36:31,892 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 20:36:31,892 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 20:36:31,893 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-13 20:36:31,893 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-13 20:36:31,893 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-13 20:36:31,893 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 20:36:31,893 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 20:36:31,893 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 20:36:31,893 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 20:36:31,893 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 20:36:31,894 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-13 20:36:31,894 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 20:36:31,894 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 20:36:31,894 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-13 20:36:31,894 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-13 20:36:31,894 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-13 20:36:31,894 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 20:36:31,894 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 20:36:31,895 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 20:36:31,895 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 20:36:31,895 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 20:36:31,895 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-13 20:36:31,895 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-13 20:36:31,895 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_a3043774-52b3-4982-818b-4c5517d56eb2/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 -> 9fe63c6822605a2b0612035ec90852abb82a2acf0695aaeb56ee53db058c6c96 [2024-11-13 20:36:32,195 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 20:36:32,208 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 20:36:32,210 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 20:36:32,214 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 20:36:32,214 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 20:36:32,215 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3043774-52b3-4982-818b-4c5517d56eb2/bin/ukojak-verify-EEHR8qb7sm/../../sv-benchmarks/c/eca-rers2012/Problem18_label32.c Unable to find full path for "g++" [2024-11-13 20:36:34,516 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 20:36:35,212 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 20:36:35,213 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3043774-52b3-4982-818b-4c5517d56eb2/sv-benchmarks/c/eca-rers2012/Problem18_label32.c [2024-11-13 20:36:35,255 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3043774-52b3-4982-818b-4c5517d56eb2/bin/ukojak-verify-EEHR8qb7sm/data/d845140f9/08f916751bec42228d9959515e91cb24/FLAG7b50cec4b [2024-11-13 20:36:35,583 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3043774-52b3-4982-818b-4c5517d56eb2/bin/ukojak-verify-EEHR8qb7sm/data/d845140f9/08f916751bec42228d9959515e91cb24 [2024-11-13 20:36:35,585 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 20:36:35,587 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 20:36:35,588 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 20:36:35,589 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 20:36:35,594 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 20:36:35,595 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 08:36:35" (1/1) ... [2024-11-13 20:36:35,596 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4baee417 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:36:35, skipping insertion in model container [2024-11-13 20:36:35,597 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 08:36:35" (1/1) ... [2024-11-13 20:36:35,729 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 20:36:36,012 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_a3043774-52b3-4982-818b-4c5517d56eb2/sv-benchmarks/c/eca-rers2012/Problem18_label32.c[3190,3203] [2024-11-13 20:36:36,919 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 20:36:36,940 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 20:36:36,968 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_a3043774-52b3-4982-818b-4c5517d56eb2/sv-benchmarks/c/eca-rers2012/Problem18_label32.c[3190,3203] [2024-11-13 20:36:37,423 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 20:36:37,453 INFO L204 MainTranslator]: Completed translation [2024-11-13 20:36:37,454 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:36:37 WrapperNode [2024-11-13 20:36:37,455 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 20:36:37,457 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 20:36:37,457 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 20:36:37,457 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 20:36:37,466 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:36:37" (1/1) ... [2024-11-13 20:36:37,540 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:36:37" (1/1) ... [2024-11-13 20:36:37,930 INFO L138 Inliner]: procedures = 16, calls = 10, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 4134 [2024-11-13 20:36:37,930 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 20:36:37,931 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 20:36:37,931 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 20:36:37,932 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 20:36:37,949 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:36:37" (1/1) ... [2024-11-13 20:36:37,949 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:36:37" (1/1) ... [2024-11-13 20:36:38,022 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:36:37" (1/1) ... [2024-11-13 20:36:38,022 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:36:37" (1/1) ... [2024-11-13 20:36:38,219 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:36:37" (1/1) ... [2024-11-13 20:36:38,276 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:36:37" (1/1) ... [2024-11-13 20:36:38,292 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:36:37" (1/1) ... [2024-11-13 20:36:38,302 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:36:37" (1/1) ... [2024-11-13 20:36:38,373 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 20:36:38,374 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 20:36:38,375 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 20:36:38,375 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 20:36:38,377 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:36:37" (1/1) ... [2024-11-13 20:36:38,391 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 20:36:38,408 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3043774-52b3-4982-818b-4c5517d56eb2/bin/ukojak-verify-EEHR8qb7sm/z3 [2024-11-13 20:36:38,427 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3043774-52b3-4982-818b-4c5517d56eb2/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-13 20:36:38,431 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3043774-52b3-4982-818b-4c5517d56eb2/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-13 20:36:38,462 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 20:36:38,463 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-13 20:36:38,463 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 20:36:38,463 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 20:36:38,571 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 20:36:38,573 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 20:36:45,070 INFO L? ?]: Removed 639 outVars from TransFormulas that were not future-live. [2024-11-13 20:36:45,070 INFO L287 CfgBuilder]: Performing block encoding