./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem13_label53.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 0e0057cc Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73863660-ab47-4857-839b-59bb53db5510/bin/ukojak-verify-afCqCEvfdi/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73863660-ab47-4857-839b-59bb53db5510/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_73863660-ab47-4857-839b-59bb53db5510/bin/ukojak-verify-afCqCEvfdi/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73863660-ab47-4857-839b-59bb53db5510/bin/ukojak-verify-afCqCEvfdi/config/KojakReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem13_label53.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73863660-ab47-4857-839b-59bb53db5510/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_73863660-ab47-4857-839b-59bb53db5510/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 644f34509b30309e4697abb994dc1df837b8ceecc87fd74e76756a410c51bce5 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-24 22:57:30,534 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-24 22:57:30,688 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73863660-ab47-4857-839b-59bb53db5510/bin/ukojak-verify-afCqCEvfdi/config/svcomp-Reach-32bit-Kojak_Default.epf [2023-11-24 22:57:30,697 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-24 22:57:30,698 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-24 22:57:30,742 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-24 22:57:30,744 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-24 22:57:30,744 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-24 22:57:30,746 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-24 22:57:30,749 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-24 22:57:30,750 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-24 22:57:30,750 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-24 22:57:30,751 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-24 22:57:30,752 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-24 22:57:30,752 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-24 22:57:30,753 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-24 22:57:30,753 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-24 22:57:30,754 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-24 22:57:30,754 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-24 22:57:30,755 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-24 22:57:30,755 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-24 22:57:30,756 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-24 22:57:30,756 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-24 22:57:30,757 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-24 22:57:30,757 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-24 22:57:30,758 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-24 22:57:30,758 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 22:57:30,759 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-24 22:57:30,759 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-24 22:57:30,760 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-24 22:57:30,760 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-24 22:57:30,761 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-24 22:57:30,761 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-24 22:57:30,761 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_73863660-ab47-4857-839b-59bb53db5510/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73863660-ab47-4857-839b-59bb53db5510/bin/ukojak-verify-afCqCEvfdi Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 644f34509b30309e4697abb994dc1df837b8ceecc87fd74e76756a410c51bce5 [2023-11-24 22:57:31,034 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-24 22:57:31,070 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-24 22:57:31,075 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-24 22:57:31,077 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-24 22:57:31,077 INFO L274 PluginConnector]: CDTParser initialized [2023-11-24 22:57:31,079 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73863660-ab47-4857-839b-59bb53db5510/bin/ukojak-verify-afCqCEvfdi/../../sv-benchmarks/c/eca-rers2012/Problem13_label53.c [2023-11-24 22:57:34,309 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-24 22:57:34,901 INFO L384 CDTParser]: Found 1 translation units. [2023-11-24 22:57:34,903 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73863660-ab47-4857-839b-59bb53db5510/sv-benchmarks/c/eca-rers2012/Problem13_label53.c [2023-11-24 22:57:34,956 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73863660-ab47-4857-839b-59bb53db5510/bin/ukojak-verify-afCqCEvfdi/data/6890a16a3/c90bc8bf82984bb2b9fff51ff8ce4025/FLAG1f6216c62 [2023-11-24 22:57:34,978 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73863660-ab47-4857-839b-59bb53db5510/bin/ukojak-verify-afCqCEvfdi/data/6890a16a3/c90bc8bf82984bb2b9fff51ff8ce4025 [2023-11-24 22:57:34,984 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-24 22:57:34,986 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-24 22:57:34,989 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-24 22:57:34,989 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-24 22:57:34,994 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-24 22:57:34,995 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 10:57:34" (1/1) ... [2023-11-24 22:57:34,997 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@ab5c08d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:57:34, skipping insertion in model container [2023-11-24 22:57:34,997 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 10:57:34" (1/1) ... [2023-11-24 22:57:35,225 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-24 22:57:35,534 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_73863660-ab47-4857-839b-59bb53db5510/sv-benchmarks/c/eca-rers2012/Problem13_label53.c[4658,4671] [2023-11-24 22:57:36,723 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 22:57:36,736 INFO L202 MainTranslator]: Completed pre-run [2023-11-24 22:57:36,776 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_73863660-ab47-4857-839b-59bb53db5510/sv-benchmarks/c/eca-rers2012/Problem13_label53.c[4658,4671] [2023-11-24 22:57:37,468 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 22:57:37,559 INFO L206 MainTranslator]: Completed translation [2023-11-24 22:57:37,560 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:57:37 WrapperNode [2023-11-24 22:57:37,560 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-24 22:57:37,562 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-24 22:57:37,562 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-24 22:57:37,562 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-24 22:57:37,570 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:57:37" (1/1) ... [2023-11-24 22:57:37,640 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:57:37" (1/1) ... [2023-11-24 22:57:38,250 INFO L138 Inliner]: procedures = 17, calls = 11, calls flagged for inlining = 6, calls inlined = 6, statements flattened = 5584 [2023-11-24 22:57:38,250 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-24 22:57:38,251 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-24 22:57:38,252 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-24 22:57:38,252 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-24 22:57:38,276 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:57:37" (1/1) ... [2023-11-24 22:57:38,277 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:57:37" (1/1) ... [2023-11-24 22:57:38,401 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:57:37" (1/1) ... [2023-11-24 22:57:38,408 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:57:37" (1/1) ... [2023-11-24 22:57:38,884 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:57:37" (1/1) ... [2023-11-24 22:57:38,955 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:57:37" (1/1) ... [2023-11-24 22:57:39,058 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:57:37" (1/1) ... [2023-11-24 22:57:39,082 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:57:37" (1/1) ... [2023-11-24 22:57:39,156 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-24 22:57:39,157 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-24 22:57:39,157 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-24 22:57:39,157 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-24 22:57:39,158 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:57:37" (1/1) ... [2023-11-24 22:57:39,164 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 22:57:39,276 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73863660-ab47-4857-839b-59bb53db5510/bin/ukojak-verify-afCqCEvfdi/z3 [2023-11-24 22:57:39,292 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73863660-ab47-4857-839b-59bb53db5510/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-24 22:57:39,298 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73863660-ab47-4857-839b-59bb53db5510/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-24 22:57:39,343 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-24 22:57:39,344 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-24 22:57:39,344 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-24 22:57:39,344 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-24 22:57:39,430 INFO L241 CfgBuilder]: Building ICFG [2023-11-24 22:57:39,433 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-24 22:57:46,503 INFO L282 CfgBuilder]: Performing block encoding