./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem19_label23.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_96d0c844-e340-472e-9bee-a7de0f73d899/bin/ukojak-verify-EEHR8qb7sm/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96d0c844-e340-472e-9bee-a7de0f73d899/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_96d0c844-e340-472e-9bee-a7de0f73d899/bin/ukojak-verify-EEHR8qb7sm/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96d0c844-e340-472e-9bee-a7de0f73d899/bin/ukojak-verify-EEHR8qb7sm/config/KojakReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem19_label23.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96d0c844-e340-472e-9bee-a7de0f73d899/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_96d0c844-e340-472e-9bee-a7de0f73d899/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 7c649cd2b6378bcb0a1205df7baf123c3003bbd42128d99f35e6a37a2830c5ad --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 16:48:48,756 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 16:48:48,858 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96d0c844-e340-472e-9bee-a7de0f73d899/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Reach-32bit-Kojak_Default.epf [2024-11-13 16:48:48,866 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-13 16:48:48,869 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-13 16:48:48,905 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 16:48:48,906 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 16:48:48,906 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-13 16:48:48,906 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 16:48:48,907 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 16:48:48,907 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 16:48:48,907 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 16:48:48,907 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-13 16:48:48,907 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-13 16:48:48,907 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-13 16:48:48,908 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 16:48:48,908 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 16:48:48,908 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 16:48:48,908 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 16:48:48,908 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 16:48:48,908 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-13 16:48:48,908 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 16:48:48,909 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 16:48:48,909 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-13 16:48:48,909 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-13 16:48:48,909 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-13 16:48:48,909 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 16:48:48,909 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 16:48:48,910 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 16:48:48,910 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 16:48:48,910 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 16:48:48,910 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-13 16:48:48,910 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-13 16:48:48,910 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_96d0c844-e340-472e-9bee-a7de0f73d899/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 -> 7c649cd2b6378bcb0a1205df7baf123c3003bbd42128d99f35e6a37a2830c5ad [2024-11-13 16:48:49,224 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 16:48:49,233 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 16:48:49,237 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 16:48:49,239 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 16:48:49,239 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 16:48:49,240 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96d0c844-e340-472e-9bee-a7de0f73d899/bin/ukojak-verify-EEHR8qb7sm/../../sv-benchmarks/c/eca-rers2012/Problem19_label23.c Unable to find full path for "g++" [2024-11-13 16:48:51,199 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 16:48:51,927 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 16:48:51,927 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96d0c844-e340-472e-9bee-a7de0f73d899/sv-benchmarks/c/eca-rers2012/Problem19_label23.c [2024-11-13 16:48:51,986 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96d0c844-e340-472e-9bee-a7de0f73d899/bin/ukojak-verify-EEHR8qb7sm/data/4383ec5e4/48b3a0c5e2464e7380b46adedaed5b64/FLAG6404373f0 [2024-11-13 16:48:52,007 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96d0c844-e340-472e-9bee-a7de0f73d899/bin/ukojak-verify-EEHR8qb7sm/data/4383ec5e4/48b3a0c5e2464e7380b46adedaed5b64 [2024-11-13 16:48:52,010 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 16:48:52,012 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 16:48:52,014 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 16:48:52,014 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 16:48:52,019 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 16:48:52,020 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 04:48:52" (1/1) ... [2024-11-13 16:48:52,022 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@654dafc4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:48:52, skipping insertion in model container [2024-11-13 16:48:52,022 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 04:48:52" (1/1) ... [2024-11-13 16:48:52,205 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 16:48:52,539 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_96d0c844-e340-472e-9bee-a7de0f73d899/sv-benchmarks/c/eca-rers2012/Problem19_label23.c[6859,6872] [2024-11-13 16:48:54,146 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 16:48:54,165 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 16:48:54,195 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_96d0c844-e340-472e-9bee-a7de0f73d899/sv-benchmarks/c/eca-rers2012/Problem19_label23.c[6859,6872] [2024-11-13 16:48:55,205 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 16:48:55,248 INFO L204 MainTranslator]: Completed translation [2024-11-13 16:48:55,248 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:48:55 WrapperNode [2024-11-13 16:48:55,250 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 16:48:55,251 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 16:48:55,251 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 16:48:55,251 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 16:48:55,258 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:48:55" (1/1) ... [2024-11-13 16:48:55,345 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:48:55" (1/1) ... [2024-11-13 16:48:56,130 INFO L138 Inliner]: procedures = 19, calls = 13, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 9430 [2024-11-13 16:48:56,130 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 16:48:56,132 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 16:48:56,132 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 16:48:56,132 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 16:48:56,140 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:48:55" (1/1) ... [2024-11-13 16:48:56,140 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:48:55" (1/1) ... [2024-11-13 16:48:56,376 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:48:55" (1/1) ... [2024-11-13 16:48:56,376 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:48:55" (1/1) ... [2024-11-13 16:48:56,794 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:48:55" (1/1) ... [2024-11-13 16:48:56,842 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:48:55" (1/1) ... [2024-11-13 16:48:56,957 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:48:55" (1/1) ... [2024-11-13 16:48:56,987 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:48:55" (1/1) ... [2024-11-13 16:48:57,223 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 16:48:57,225 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 16:48:57,225 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 16:48:57,226 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 16:48:57,227 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:48:55" (1/1) ... [2024-11-13 16:48:57,234 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 16:48:57,248 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96d0c844-e340-472e-9bee-a7de0f73d899/bin/ukojak-verify-EEHR8qb7sm/z3 [2024-11-13 16:48:57,263 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96d0c844-e340-472e-9bee-a7de0f73d899/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-13 16:48:57,269 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96d0c844-e340-472e-9bee-a7de0f73d899/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-13 16:48:57,297 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 16:48:57,298 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-13 16:48:57,298 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 16:48:57,298 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 16:48:57,390 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 16:48:57,392 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 16:49:07,668 INFO L? ?]: Removed 1320 outVars from TransFormulas that were not future-live. [2024-11-13 16:49:07,668 INFO L287 CfgBuilder]: Performing block encoding