./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem07_label19.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_6353bdbe-94c4-4676-9632-25a5f35c3d55/bin/ukojak-verify-afCqCEvfdi/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6353bdbe-94c4-4676-9632-25a5f35c3d55/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_6353bdbe-94c4-4676-9632-25a5f35c3d55/bin/ukojak-verify-afCqCEvfdi/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6353bdbe-94c4-4676-9632-25a5f35c3d55/bin/ukojak-verify-afCqCEvfdi/config/KojakReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem07_label19.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6353bdbe-94c4-4676-9632-25a5f35c3d55/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_6353bdbe-94c4-4676-9632-25a5f35c3d55/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 fc5d4d6f14e97a75190aabd6c60aa3116f0be1e5dd3f2f954e6085952c154ca1 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-24 22:56:31,193 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-24 22:56:31,309 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6353bdbe-94c4-4676-9632-25a5f35c3d55/bin/ukojak-verify-afCqCEvfdi/config/svcomp-Reach-32bit-Kojak_Default.epf [2023-11-24 22:56:31,320 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-24 22:56:31,321 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-24 22:56:31,356 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-24 22:56:31,358 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-24 22:56:31,358 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-24 22:56:31,360 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-24 22:56:31,364 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-24 22:56:31,366 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-24 22:56:31,366 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-24 22:56:31,367 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-24 22:56:31,369 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-24 22:56:31,369 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-24 22:56:31,370 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-24 22:56:31,370 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-24 22:56:31,370 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-24 22:56:31,371 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-24 22:56:31,371 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-24 22:56:31,372 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-24 22:56:31,373 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-24 22:56:31,374 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-24 22:56:31,374 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-24 22:56:31,375 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-24 22:56:31,375 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-24 22:56:31,375 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 22:56:31,376 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-24 22:56:31,376 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-24 22:56:31,377 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-24 22:56:31,378 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-24 22:56:31,379 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-24 22:56:31,379 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-24 22:56:31,379 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_6353bdbe-94c4-4676-9632-25a5f35c3d55/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6353bdbe-94c4-4676-9632-25a5f35c3d55/bin/ukojak-verify-afCqCEvfdi Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> fc5d4d6f14e97a75190aabd6c60aa3116f0be1e5dd3f2f954e6085952c154ca1 [2023-11-24 22:56:31,674 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-24 22:56:31,705 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-24 22:56:31,708 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-24 22:56:31,709 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-24 22:56:31,710 INFO L274 PluginConnector]: CDTParser initialized [2023-11-24 22:56:31,711 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6353bdbe-94c4-4676-9632-25a5f35c3d55/bin/ukojak-verify-afCqCEvfdi/../../sv-benchmarks/c/eca-rers2012/Problem07_label19.c [2023-11-24 22:56:34,848 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-24 22:56:37,213 INFO L384 CDTParser]: Found 1 translation units. [2023-11-24 22:56:37,214 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6353bdbe-94c4-4676-9632-25a5f35c3d55/sv-benchmarks/c/eca-rers2012/Problem07_label19.c [2023-11-24 22:56:37,490 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6353bdbe-94c4-4676-9632-25a5f35c3d55/bin/ukojak-verify-afCqCEvfdi/data/1aff24e68/51c47dade41348d2a7e5ffa80259c40f/FLAGf16766c30 [2023-11-24 22:56:37,520 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6353bdbe-94c4-4676-9632-25a5f35c3d55/bin/ukojak-verify-afCqCEvfdi/data/1aff24e68/51c47dade41348d2a7e5ffa80259c40f [2023-11-24 22:56:37,522 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-24 22:56:37,524 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-24 22:56:37,541 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-24 22:56:37,541 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-24 22:56:37,546 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-24 22:56:37,547 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 10:56:37" (1/1) ... [2023-11-24 22:56:37,548 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@68a66234 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:56:37, skipping insertion in model container [2023-11-24 22:56:37,551 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 10:56:37" (1/1) ... [2023-11-24 22:56:38,616 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-24 22:56:50,656 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_6353bdbe-94c4-4676-9632-25a5f35c3d55/sv-benchmarks/c/eca-rers2012/Problem07_label19.c[2767452,2767465] [2023-11-24 22:56:50,820 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 22:56:50,844 INFO L202 MainTranslator]: Completed pre-run [2023-11-24 22:56:58,628 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_6353bdbe-94c4-4676-9632-25a5f35c3d55/sv-benchmarks/c/eca-rers2012/Problem07_label19.c[2767452,2767465] [2023-11-24 22:56:58,646 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 22:56:59,965 INFO L206 MainTranslator]: Completed translation [2023-11-24 22:56:59,965 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:56:59 WrapperNode [2023-11-24 22:56:59,966 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-24 22:56:59,968 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-24 22:56:59,968 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-24 22:56:59,968 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-24 22:56:59,977 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:56:59" (1/1) ... [2023-11-24 22:57:00,798 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:56:59" (1/1) ... [2023-11-24 22:57:04,201 INFO L138 Inliner]: procedures = 59, calls = 53, calls flagged for inlining = 48, calls inlined = 48, statements flattened = 83774 [2023-11-24 22:57:04,202 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-24 22:57:04,203 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-24 22:57:04,203 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-24 22:57:04,203 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-24 22:57:04,212 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:56:59" (1/1) ... [2023-11-24 22:57:04,213 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:56:59" (1/1) ... [2023-11-24 22:57:04,649 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:56:59" (1/1) ... [2023-11-24 22:57:04,650 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:56:59" (1/1) ... [2023-11-24 22:57:06,053 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:56:59" (1/1) ... [2023-11-24 22:57:06,304 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:56:59" (1/1) ... [2023-11-24 22:57:06,631 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:56:59" (1/1) ... [2023-11-24 22:57:06,755 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:56:59" (1/1) ... [2023-11-24 22:57:07,134 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-24 22:57:07,136 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-24 22:57:07,136 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-24 22:57:07,137 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-24 22:57:07,138 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:56:59" (1/1) ... [2023-11-24 22:57:07,153 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 22:57:07,167 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6353bdbe-94c4-4676-9632-25a5f35c3d55/bin/ukojak-verify-afCqCEvfdi/z3 [2023-11-24 22:57:07,183 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6353bdbe-94c4-4676-9632-25a5f35c3d55/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-24 22:57:07,185 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6353bdbe-94c4-4676-9632-25a5f35c3d55/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-24 22:57:07,222 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-24 22:57:07,223 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-24 22:57:07,223 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-24 22:57:07,223 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-24 22:57:07,369 INFO L241 CfgBuilder]: Building ICFG [2023-11-24 22:57:07,371 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation