./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem12_label23.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 0e0057cc Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40847dda-ff57-4233-83a0-bb1f29e3099c/bin/ukojak-verify-afCqCEvfdi/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40847dda-ff57-4233-83a0-bb1f29e3099c/bin/ukojak-verify-afCqCEvfdi/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40847dda-ff57-4233-83a0-bb1f29e3099c/bin/ukojak-verify-afCqCEvfdi/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40847dda-ff57-4233-83a0-bb1f29e3099c/bin/ukojak-verify-afCqCEvfdi/config/KojakReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem12_label23.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40847dda-ff57-4233-83a0-bb1f29e3099c/bin/ukojak-verify-afCqCEvfdi/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40847dda-ff57-4233-83a0-bb1f29e3099c/bin/ukojak-verify-afCqCEvfdi --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 0ce888a9129ad33560fa4014264bdc8a732894a2cafd0839341c70c58fdd8f98 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-24 23:01:07,879 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-24 23:01:07,961 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40847dda-ff57-4233-83a0-bb1f29e3099c/bin/ukojak-verify-afCqCEvfdi/config/svcomp-Reach-32bit-Kojak_Default.epf [2023-11-24 23:01:07,981 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-24 23:01:07,982 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-24 23:01:08,036 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-24 23:01:08,038 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-24 23:01:08,039 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-24 23:01:08,040 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-24 23:01:08,049 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-24 23:01:08,050 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-24 23:01:08,051 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-24 23:01:08,051 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-24 23:01:08,054 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-24 23:01:08,054 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-24 23:01:08,055 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-24 23:01:08,055 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-24 23:01:08,056 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-24 23:01:08,056 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-24 23:01:08,057 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-24 23:01:08,057 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-24 23:01:08,058 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-24 23:01:08,058 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-24 23:01:08,059 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-24 23:01:08,060 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-24 23:01:08,060 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-24 23:01:08,061 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 23:01:08,061 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-24 23:01:08,062 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-24 23:01:08,062 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-24 23:01:08,064 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-24 23:01:08,064 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-24 23:01:08,065 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-24 23:01:08,065 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40847dda-ff57-4233-83a0-bb1f29e3099c/bin/ukojak-verify-afCqCEvfdi/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40847dda-ff57-4233-83a0-bb1f29e3099c/bin/ukojak-verify-afCqCEvfdi Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 0ce888a9129ad33560fa4014264bdc8a732894a2cafd0839341c70c58fdd8f98 [2023-11-24 23:01:08,430 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-24 23:01:08,453 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-24 23:01:08,456 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-24 23:01:08,457 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-24 23:01:08,458 INFO L274 PluginConnector]: CDTParser initialized [2023-11-24 23:01:08,459 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40847dda-ff57-4233-83a0-bb1f29e3099c/bin/ukojak-verify-afCqCEvfdi/../../sv-benchmarks/c/eca-rers2012/Problem12_label23.c [2023-11-24 23:01:11,764 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-24 23:01:12,397 INFO L384 CDTParser]: Found 1 translation units. [2023-11-24 23:01:12,398 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40847dda-ff57-4233-83a0-bb1f29e3099c/sv-benchmarks/c/eca-rers2012/Problem12_label23.c [2023-11-24 23:01:12,441 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40847dda-ff57-4233-83a0-bb1f29e3099c/bin/ukojak-verify-afCqCEvfdi/data/4dd7fb34b/e1f0bb02464040eaa689b992346ef994/FLAG7a8870759 [2023-11-24 23:01:12,463 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40847dda-ff57-4233-83a0-bb1f29e3099c/bin/ukojak-verify-afCqCEvfdi/data/4dd7fb34b/e1f0bb02464040eaa689b992346ef994 [2023-11-24 23:01:12,471 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-24 23:01:12,473 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-24 23:01:12,476 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-24 23:01:12,476 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-24 23:01:12,483 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-24 23:01:12,486 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 11:01:12" (1/1) ... [2023-11-24 23:01:12,489 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3a905e58 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:01:12, skipping insertion in model container [2023-11-24 23:01:12,489 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 11:01:12" (1/1) ... [2023-11-24 23:01:12,716 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-24 23:01:13,102 WARN L240 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_40847dda-ff57-4233-83a0-bb1f29e3099c/sv-benchmarks/c/eca-rers2012/Problem12_label23.c[4581,4594] [2023-11-24 23:01:14,234 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 23:01:14,250 INFO L202 MainTranslator]: Completed pre-run [2023-11-24 23:01:14,284 WARN L240 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_40847dda-ff57-4233-83a0-bb1f29e3099c/sv-benchmarks/c/eca-rers2012/Problem12_label23.c[4581,4594] [2023-11-24 23:01:14,941 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 23:01:14,974 INFO L206 MainTranslator]: Completed translation [2023-11-24 23:01:14,975 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:01:14 WrapperNode [2023-11-24 23:01:14,976 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-24 23:01:14,977 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-24 23:01:14,978 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-24 23:01:14,978 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-24 23:01:14,987 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:01:14" (1/1) ... [2023-11-24 23:01:15,064 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:01:14" (1/1) ... [2023-11-24 23:01:15,423 INFO L138 Inliner]: procedures = 17, calls = 11, calls flagged for inlining = 6, calls inlined = 6, statements flattened = 4758 [2023-11-24 23:01:15,424 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-24 23:01:15,425 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-24 23:01:15,425 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-24 23:01:15,425 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-24 23:01:15,436 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:01:14" (1/1) ... [2023-11-24 23:01:15,436 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:01:14" (1/1) ... [2023-11-24 23:01:15,589 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:01:14" (1/1) ... [2023-11-24 23:01:15,589 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:01:14" (1/1) ... [2023-11-24 23:01:15,820 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:01:14" (1/1) ... [2023-11-24 23:01:15,861 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:01:14" (1/1) ... [2023-11-24 23:01:15,927 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:01:14" (1/1) ... [2023-11-24 23:01:15,947 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:01:14" (1/1) ... [2023-11-24 23:01:16,149 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-24 23:01:16,158 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-24 23:01:16,158 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-24 23:01:16,159 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-24 23:01:16,159 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:01:14" (1/1) ... [2023-11-24 23:01:16,178 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 23:01:16,192 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40847dda-ff57-4233-83a0-bb1f29e3099c/bin/ukojak-verify-afCqCEvfdi/z3 [2023-11-24 23:01:16,241 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40847dda-ff57-4233-83a0-bb1f29e3099c/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-24 23:01:16,312 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40847dda-ff57-4233-83a0-bb1f29e3099c/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-24 23:01:16,352 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-24 23:01:16,353 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-24 23:01:16,353 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-24 23:01:16,353 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-24 23:01:16,507 INFO L241 CfgBuilder]: Building ICFG [2023-11-24 23:01:16,523 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-24 23:01:22,206 INFO L282 CfgBuilder]: Performing block encoding