./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem12_label26.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version d790fecc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c059568e-c8e1-47b9-8a73-5fa82a3f80d1/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c059568e-c8e1-47b9-8a73-5fa82a3f80d1/bin/ukojak-verify-CZk0znPC7b/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c059568e-c8e1-47b9-8a73-5fa82a3f80d1/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c059568e-c8e1-47b9-8a73-5fa82a3f80d1/bin/ukojak-verify-CZk0znPC7b/config/KojakReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem12_label26.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c059568e-c8e1-47b9-8a73-5fa82a3f80d1/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c059568e-c8e1-47b9-8a73-5fa82a3f80d1/bin/ukojak-verify-CZk0znPC7b --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 3e2e47b78067195f514cd980cc36561e3679a03106d39ad74c0665f1ff81079a --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-06 00:56:49,282 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-06 00:56:49,339 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c059568e-c8e1-47b9-8a73-5fa82a3f80d1/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-32bit-Kojak_Default.epf [2024-12-06 00:56:49,344 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-06 00:56:49,344 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-12-06 00:56:49,365 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-06 00:56:49,366 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-06 00:56:49,366 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-12-06 00:56:49,366 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-06 00:56:49,366 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-06 00:56:49,366 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-06 00:56:49,367 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-06 00:56:49,367 INFO L153 SettingsManager]: * sizeof long=4 [2024-12-06 00:56:49,367 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-12-06 00:56:49,367 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-12-06 00:56:49,367 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-06 00:56:49,367 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-06 00:56:49,367 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-06 00:56:49,367 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-06 00:56:49,367 INFO L153 SettingsManager]: * sizeof long double=12 [2024-12-06 00:56:49,367 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-06 00:56:49,367 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-06 00:56:49,368 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-06 00:56:49,368 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-06 00:56:49,368 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-06 00:56:49,368 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-06 00:56:49,368 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-06 00:56:49,368 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 00:56:49,368 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-06 00:56:49,368 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-06 00:56:49,368 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-06 00:56:49,368 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-12-06 00:56:49,368 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-12-06 00:56:49,369 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_c059568e-c8e1-47b9-8a73-5fa82a3f80d1/bin/ukojak-verify-CZk0znPC7b 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 -> 3e2e47b78067195f514cd980cc36561e3679a03106d39ad74c0665f1ff81079a [2024-12-06 00:56:49,608 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-06 00:56:49,616 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-06 00:56:49,618 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-06 00:56:49,619 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-06 00:56:49,620 INFO L274 PluginConnector]: CDTParser initialized [2024-12-06 00:56:49,621 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c059568e-c8e1-47b9-8a73-5fa82a3f80d1/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/eca-rers2012/Problem12_label26.c [2024-12-06 00:56:52,249 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c059568e-c8e1-47b9-8a73-5fa82a3f80d1/bin/ukojak-verify-CZk0znPC7b/data/5e73a3597/3d9dc46102974e7980f61c5dd9458ccd/FLAG1bee6cdc4 [2024-12-06 00:56:52,665 INFO L384 CDTParser]: Found 1 translation units. [2024-12-06 00:56:52,666 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c059568e-c8e1-47b9-8a73-5fa82a3f80d1/sv-benchmarks/c/eca-rers2012/Problem12_label26.c [2024-12-06 00:56:52,693 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c059568e-c8e1-47b9-8a73-5fa82a3f80d1/bin/ukojak-verify-CZk0znPC7b/data/5e73a3597/3d9dc46102974e7980f61c5dd9458ccd/FLAG1bee6cdc4 [2024-12-06 00:56:52,818 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c059568e-c8e1-47b9-8a73-5fa82a3f80d1/bin/ukojak-verify-CZk0znPC7b/data/5e73a3597/3d9dc46102974e7980f61c5dd9458ccd [2024-12-06 00:56:52,821 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-06 00:56:52,822 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-06 00:56:52,823 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-06 00:56:52,823 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-06 00:56:52,826 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-06 00:56:52,827 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 12:56:52" (1/1) ... [2024-12-06 00:56:52,828 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@9237e87 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:56:52, skipping insertion in model container [2024-12-06 00:56:52,828 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 12:56:52" (1/1) ... [2024-12-06 00:56:52,898 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-06 00:56:53,065 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_c059568e-c8e1-47b9-8a73-5fa82a3f80d1/sv-benchmarks/c/eca-rers2012/Problem12_label26.c[5703,5716] [2024-12-06 00:56:53,676 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 00:56:53,685 INFO L200 MainTranslator]: Completed pre-run [2024-12-06 00:56:53,700 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_c059568e-c8e1-47b9-8a73-5fa82a3f80d1/sv-benchmarks/c/eca-rers2012/Problem12_label26.c[5703,5716] [2024-12-06 00:56:54,029 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 00:56:54,046 INFO L204 MainTranslator]: Completed translation [2024-12-06 00:56:54,046 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:56:54 WrapperNode [2024-12-06 00:56:54,046 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-06 00:56:54,047 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-06 00:56:54,047 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-06 00:56:54,047 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-06 00:56:54,052 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:56:54" (1/1) ... [2024-12-06 00:56:54,088 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:56:54" (1/1) ... [2024-12-06 00:56:54,301 INFO L138 Inliner]: procedures = 17, calls = 11, calls flagged for inlining = 6, calls inlined = 6, statements flattened = 4760 [2024-12-06 00:56:54,302 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-06 00:56:54,302 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-06 00:56:54,302 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-06 00:56:54,302 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-06 00:56:54,308 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:56:54" (1/1) ... [2024-12-06 00:56:54,308 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:56:54" (1/1) ... [2024-12-06 00:56:54,342 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:56:54" (1/1) ... [2024-12-06 00:56:54,342 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:56:54" (1/1) ... [2024-12-06 00:56:54,440 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:56:54" (1/1) ... [2024-12-06 00:56:54,462 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:56:54" (1/1) ... [2024-12-06 00:56:54,482 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:56:54" (1/1) ... [2024-12-06 00:56:54,510 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:56:54" (1/1) ... [2024-12-06 00:56:54,521 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:56:54" (1/1) ... [2024-12-06 00:56:54,574 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-06 00:56:54,575 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-06 00:56:54,575 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-06 00:56:54,575 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-06 00:56:54,576 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:56:54" (1/1) ... [2024-12-06 00:56:54,582 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 00:56:54,591 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c059568e-c8e1-47b9-8a73-5fa82a3f80d1/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-06 00:56:54,602 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c059568e-c8e1-47b9-8a73-5fa82a3f80d1/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-06 00:56:54,604 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c059568e-c8e1-47b9-8a73-5fa82a3f80d1/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-06 00:56:54,623 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-06 00:56:54,623 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-12-06 00:56:54,623 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-06 00:56:54,623 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-06 00:56:54,677 INFO L234 CfgBuilder]: Building ICFG [2024-12-06 00:56:54,678 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-06 00:56:58,599 INFO L? ?]: Removed 702 outVars from TransFormulas that were not future-live. [2024-12-06 00:56:58,599 INFO L283 CfgBuilder]: Performing block encoding