./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2018/Problem17.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_f2482a01-a1e3-4c6e-913c-bc9a16f90712/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2482a01-a1e3-4c6e-913c-bc9a16f90712/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_f2482a01-a1e3-4c6e-913c-bc9a16f90712/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2482a01-a1e3-4c6e-913c-bc9a16f90712/bin/ukojak-verify-CZk0znPC7b/config/KojakReach.xml -i ../../sv-benchmarks/c/eca-rers2018/Problem17.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2482a01-a1e3-4c6e-913c-bc9a16f90712/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_f2482a01-a1e3-4c6e-913c-bc9a16f90712/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 2f0fefb336ced3373e2a35ef2949c2a01a98c911001e38ec001a25171ac41e58 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-05 21:41:29,998 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-05 21:41:30,055 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2482a01-a1e3-4c6e-913c-bc9a16f90712/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-32bit-Kojak_Default.epf [2024-12-05 21:41:30,060 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-05 21:41:30,060 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-12-05 21:41:30,079 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-05 21:41:30,080 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-05 21:41:30,080 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-12-05 21:41:30,081 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-05 21:41:30,081 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-05 21:41:30,081 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-05 21:41:30,081 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-05 21:41:30,081 INFO L153 SettingsManager]: * sizeof long=4 [2024-12-05 21:41:30,081 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-12-05 21:41:30,081 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-12-05 21:41:30,081 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-05 21:41:30,081 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-05 21:41:30,081 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-05 21:41:30,082 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-05 21:41:30,082 INFO L153 SettingsManager]: * sizeof long double=12 [2024-12-05 21:41:30,082 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-05 21:41:30,082 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-05 21:41:30,082 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-05 21:41:30,082 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-05 21:41:30,082 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-05 21:41:30,082 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-05 21:41:30,082 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-05 21:41:30,082 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-05 21:41:30,082 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-05 21:41:30,083 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-05 21:41:30,083 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-05 21:41:30,083 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-12-05 21:41:30,083 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-12-05 21:41:30,083 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_f2482a01-a1e3-4c6e-913c-bc9a16f90712/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 -> 2f0fefb336ced3373e2a35ef2949c2a01a98c911001e38ec001a25171ac41e58 [2024-12-05 21:41:30,322 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-05 21:41:30,330 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-05 21:41:30,333 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-05 21:41:30,334 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-05 21:41:30,334 INFO L274 PluginConnector]: CDTParser initialized [2024-12-05 21:41:30,336 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2482a01-a1e3-4c6e-913c-bc9a16f90712/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/eca-rers2018/Problem17.c [2024-12-05 21:41:32,994 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2482a01-a1e3-4c6e-913c-bc9a16f90712/bin/ukojak-verify-CZk0znPC7b/data/d684edf23/fc58f2bb7622427d9ac48e5acf21db1c/FLAG285814cad [2024-12-05 21:41:36,285 INFO L384 CDTParser]: Found 1 translation units. [2024-12-05 21:41:36,286 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2482a01-a1e3-4c6e-913c-bc9a16f90712/sv-benchmarks/c/eca-rers2018/Problem17.c [2024-12-05 21:41:36,873 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2482a01-a1e3-4c6e-913c-bc9a16f90712/bin/ukojak-verify-CZk0znPC7b/data/d684edf23/fc58f2bb7622427d9ac48e5acf21db1c/FLAG285814cad [2024-12-05 21:41:37,077 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2482a01-a1e3-4c6e-913c-bc9a16f90712/bin/ukojak-verify-CZk0znPC7b/data/d684edf23/fc58f2bb7622427d9ac48e5acf21db1c [2024-12-05 21:41:37,078 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-05 21:41:37,079 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-05 21:41:37,080 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-05 21:41:37,080 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-05 21:41:37,084 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-05 21:41:37,085 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.12 09:41:37" (1/1) ... [2024-12-05 21:41:37,086 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2310ca27 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:41:37, skipping insertion in model container [2024-12-05 21:41:37,086 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.12 09:41:37" (1/1) ... [2024-12-05 21:41:38,180 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-05 21:41:39,265 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_f2482a01-a1e3-4c6e-913c-bc9a16f90712/sv-benchmarks/c/eca-rers2018/Problem17.c[778,791] [2024-12-05 21:41:39,423 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_f2482a01-a1e3-4c6e-913c-bc9a16f90712/sv-benchmarks/c/eca-rers2018/Problem17.c[817,830] [2024-12-05 21:45:12,049 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-05 21:45:12,075 INFO L200 MainTranslator]: Completed pre-run [2024-12-05 21:45:12,088 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_f2482a01-a1e3-4c6e-913c-bc9a16f90712/sv-benchmarks/c/eca-rers2018/Problem17.c[778,791] [2024-12-05 21:45:12,088 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_f2482a01-a1e3-4c6e-913c-bc9a16f90712/sv-benchmarks/c/eca-rers2018/Problem17.c[817,830] [2024-12-05 21:45:19,391 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-05 21:45:21,157 INFO L204 MainTranslator]: Completed translation [2024-12-05 21:45:21,158 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:45:21 WrapperNode [2024-12-05 21:45:21,158 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-05 21:45:21,160 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-05 21:45:21,161 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-05 21:45:21,161 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-05 21:45:21,169 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:45:21" (1/1) ... [2024-12-05 21:45:22,744 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:45:21" (1/1) ... [2024-12-05 21:45:51,988 INFO L138 Inliner]: procedures = 1330, calls = 1321, calls flagged for inlining = 1217, calls inlined = 1217, statements flattened = 397140 [2024-12-05 21:45:51,989 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-05 21:45:51,991 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-05 21:45:51,991 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-05 21:45:51,991 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-05 21:45:52,002 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:45:21" (1/1) ... [2024-12-05 21:45:52,002 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:45:21" (1/1) ... [2024-12-05 21:46:05,273 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:45:21" (1/1) ... [2024-12-05 21:46:05,275 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:45:21" (1/1) ... [2024-12-05 21:46:21,731 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:45:21" (1/1) ... [2024-12-05 21:46:22,701 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:45:21" (1/1) ... [2024-12-05 21:46:22,914 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:45:21" (1/1) ... [2024-12-05 21:46:23,750 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:45:21" (1/1) ... [2024-12-05 21:46:25,181 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:45:21" (1/1) ... [2024-12-05 21:46:31,852 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-05 21:46:31,854 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-05 21:46:31,854 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-05 21:46:31,854 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-05 21:46:31,857 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:45:21" (1/1) ... [2024-12-05 21:46:31,882 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-05 21:46:31,922 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2482a01-a1e3-4c6e-913c-bc9a16f90712/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-05 21:46:31,962 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2482a01-a1e3-4c6e-913c-bc9a16f90712/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-05 21:46:31,985 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2482a01-a1e3-4c6e-913c-bc9a16f90712/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-05 21:46:32,055 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-05 21:46:32,055 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-05 21:46:32,055 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-05 21:46:32,056 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error_a [2024-12-05 21:46:32,056 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error_a [2024-12-05 21:46:32,056 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error_b [2024-12-05 21:46:32,056 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error_b [2024-12-05 21:46:32,057 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int