./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem19_label23.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_485b2c8f-3d47-4d77-add2-715d5c1118a8/bin/ukojak-verify-afCqCEvfdi/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_485b2c8f-3d47-4d77-add2-715d5c1118a8/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_485b2c8f-3d47-4d77-add2-715d5c1118a8/bin/ukojak-verify-afCqCEvfdi/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_485b2c8f-3d47-4d77-add2-715d5c1118a8/bin/ukojak-verify-afCqCEvfdi/config/KojakReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem19_label23.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_485b2c8f-3d47-4d77-add2-715d5c1118a8/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_485b2c8f-3d47-4d77-add2-715d5c1118a8/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 7c649cd2b6378bcb0a1205df7baf123c3003bbd42128d99f35e6a37a2830c5ad --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-24 22:59:43,193 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-24 22:59:43,349 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_485b2c8f-3d47-4d77-add2-715d5c1118a8/bin/ukojak-verify-afCqCEvfdi/config/svcomp-Reach-32bit-Kojak_Default.epf [2023-11-24 22:59:43,357 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-24 22:59:43,358 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-24 22:59:43,406 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-24 22:59:43,407 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-24 22:59:43,408 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-24 22:59:43,410 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-24 22:59:43,416 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-24 22:59:43,417 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-24 22:59:43,417 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-24 22:59:43,418 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-24 22:59:43,419 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-24 22:59:43,419 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-24 22:59:43,420 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-24 22:59:43,420 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-24 22:59:43,421 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-24 22:59:43,421 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-24 22:59:43,422 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-24 22:59:43,422 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-24 22:59:43,423 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-24 22:59:43,423 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-24 22:59:43,424 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-24 22:59:43,424 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-24 22:59:43,425 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-24 22:59:43,425 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 22:59:43,426 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-24 22:59:43,426 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-24 22:59:43,427 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-24 22:59:43,427 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-24 22:59:43,428 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-24 22:59:43,428 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-24 22:59:43,428 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_485b2c8f-3d47-4d77-add2-715d5c1118a8/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_485b2c8f-3d47-4d77-add2-715d5c1118a8/bin/ukojak-verify-afCqCEvfdi Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 7c649cd2b6378bcb0a1205df7baf123c3003bbd42128d99f35e6a37a2830c5ad [2023-11-24 22:59:43,781 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-24 22:59:43,819 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-24 22:59:43,823 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-24 22:59:43,824 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-24 22:59:43,825 INFO L274 PluginConnector]: CDTParser initialized [2023-11-24 22:59:43,827 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_485b2c8f-3d47-4d77-add2-715d5c1118a8/bin/ukojak-verify-afCqCEvfdi/../../sv-benchmarks/c/eca-rers2012/Problem19_label23.c [2023-11-24 22:59:47,253 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-24 22:59:48,068 INFO L384 CDTParser]: Found 1 translation units. [2023-11-24 22:59:48,069 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_485b2c8f-3d47-4d77-add2-715d5c1118a8/sv-benchmarks/c/eca-rers2012/Problem19_label23.c [2023-11-24 22:59:48,134 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_485b2c8f-3d47-4d77-add2-715d5c1118a8/bin/ukojak-verify-afCqCEvfdi/data/f5d4545ca/5b66b0ff09884a8ea1c64d4b41e4a664/FLAGce6167be9 [2023-11-24 22:59:48,153 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_485b2c8f-3d47-4d77-add2-715d5c1118a8/bin/ukojak-verify-afCqCEvfdi/data/f5d4545ca/5b66b0ff09884a8ea1c64d4b41e4a664 [2023-11-24 22:59:48,160 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-24 22:59:48,162 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-24 22:59:48,165 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-24 22:59:48,165 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-24 22:59:48,171 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-24 22:59:48,172 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 10:59:48" (1/1) ... [2023-11-24 22:59:48,174 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@693aa210 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:59:48, skipping insertion in model container [2023-11-24 22:59:48,175 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 10:59:48" (1/1) ... [2023-11-24 22:59:48,460 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-24 22:59:48,776 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_485b2c8f-3d47-4d77-add2-715d5c1118a8/sv-benchmarks/c/eca-rers2012/Problem19_label23.c[6859,6872] [2023-11-24 22:59:50,828 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 22:59:50,842 INFO L202 MainTranslator]: Completed pre-run [2023-11-24 22:59:50,899 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_485b2c8f-3d47-4d77-add2-715d5c1118a8/sv-benchmarks/c/eca-rers2012/Problem19_label23.c[6859,6872] [2023-11-24 22:59:52,091 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 22:59:52,153 INFO L206 MainTranslator]: Completed translation [2023-11-24 22:59:52,154 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:59:52 WrapperNode [2023-11-24 22:59:52,155 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-24 22:59:52,156 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-24 22:59:52,157 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-24 22:59:52,157 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-24 22:59:52,167 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:59:52" (1/1) ... [2023-11-24 22:59:52,344 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:59:52" (1/1) ... [2023-11-24 22:59:53,456 INFO L138 Inliner]: procedures = 19, calls = 13, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 9426 [2023-11-24 22:59:53,457 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-24 22:59:53,458 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-24 22:59:53,458 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-24 22:59:53,458 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-24 22:59:53,470 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:59:52" (1/1) ... [2023-11-24 22:59:53,470 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:59:52" (1/1) ... [2023-11-24 22:59:53,847 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:59:52" (1/1) ... [2023-11-24 22:59:53,854 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:59:52" (1/1) ... [2023-11-24 22:59:54,407 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:59:52" (1/1) ... [2023-11-24 22:59:54,452 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:59:52" (1/1) ... [2023-11-24 22:59:54,561 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:59:52" (1/1) ... [2023-11-24 22:59:54,672 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:59:52" (1/1) ... [2023-11-24 22:59:54,867 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-24 22:59:54,868 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-24 22:59:54,869 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-24 22:59:54,869 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-24 22:59:54,870 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:59:52" (1/1) ... [2023-11-24 22:59:54,876 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 22:59:54,891 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_485b2c8f-3d47-4d77-add2-715d5c1118a8/bin/ukojak-verify-afCqCEvfdi/z3 [2023-11-24 22:59:54,908 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_485b2c8f-3d47-4d77-add2-715d5c1118a8/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-24 22:59:54,934 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_485b2c8f-3d47-4d77-add2-715d5c1118a8/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-24 22:59:54,956 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-24 22:59:54,956 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-24 22:59:54,956 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-24 22:59:54,956 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-24 22:59:55,030 INFO L241 CfgBuilder]: Building ICFG [2023-11-24 22:59:55,070 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-24 23:00:06,497 INFO L282 CfgBuilder]: Performing block encoding