./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem13_label12.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version a0165632 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_caef0d90-ae85-42b3-af91-1fcce6c3fecc/bin/ukojak-verify-ImItNfHLgk/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_caef0d90-ae85-42b3-af91-1fcce6c3fecc/bin/ukojak-verify-ImItNfHLgk/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_caef0d90-ae85-42b3-af91-1fcce6c3fecc/bin/ukojak-verify-ImItNfHLgk/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_caef0d90-ae85-42b3-af91-1fcce6c3fecc/bin/ukojak-verify-ImItNfHLgk/config/KojakReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem13_label12.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_caef0d90-ae85-42b3-af91-1fcce6c3fecc/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_caef0d90-ae85-42b3-af91-1fcce6c3fecc/bin/ukojak-verify-ImItNfHLgk --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 2216b6fe23bc362f77d3473af93ca10876808f5c3f0da946e2005e7d4e8e688a --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-08 23:20:10,575 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-08 23:20:10,658 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_caef0d90-ae85-42b3-af91-1fcce6c3fecc/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Reach-32bit-Kojak_Default.epf [2024-11-08 23:20:10,668 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-08 23:20:10,669 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-08 23:20:10,711 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-08 23:20:10,711 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-08 23:20:10,714 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-08 23:20:10,715 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-08 23:20:10,716 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-08 23:20:10,717 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-08 23:20:10,717 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-08 23:20:10,717 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-08 23:20:10,720 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-08 23:20:10,720 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-08 23:20:10,721 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-08 23:20:10,722 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-08 23:20:10,723 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-08 23:20:10,723 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-08 23:20:10,724 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-08 23:20:10,724 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-08 23:20:10,728 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-08 23:20:10,728 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-08 23:20:10,729 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-08 23:20:10,729 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-08 23:20:10,729 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-08 23:20:10,732 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-08 23:20:10,750 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 23:20:10,750 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-08 23:20:10,750 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-08 23:20:10,751 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-08 23:20:10,751 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-08 23:20:10,751 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-08 23:20:10,752 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_caef0d90-ae85-42b3-af91-1fcce6c3fecc/bin/ukojak-verify-ImItNfHLgk/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_caef0d90-ae85-42b3-af91-1fcce6c3fecc/bin/ukojak-verify-ImItNfHLgk Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 2216b6fe23bc362f77d3473af93ca10876808f5c3f0da946e2005e7d4e8e688a [2024-11-08 23:20:11,075 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-08 23:20:11,113 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-08 23:20:11,116 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-08 23:20:11,118 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-08 23:20:11,118 INFO L274 PluginConnector]: CDTParser initialized [2024-11-08 23:20:11,120 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_caef0d90-ae85-42b3-af91-1fcce6c3fecc/bin/ukojak-verify-ImItNfHLgk/../../sv-benchmarks/c/eca-rers2012/Problem13_label12.c Unable to find full path for "g++" [2024-11-08 23:20:13,329 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-08 23:20:13,906 INFO L384 CDTParser]: Found 1 translation units. [2024-11-08 23:20:13,907 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_caef0d90-ae85-42b3-af91-1fcce6c3fecc/sv-benchmarks/c/eca-rers2012/Problem13_label12.c [2024-11-08 23:20:13,947 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_caef0d90-ae85-42b3-af91-1fcce6c3fecc/bin/ukojak-verify-ImItNfHLgk/data/5a82b1d1f/936e23e7abb04184b832c69fa98f1187/FLAG6d44d7207 [2024-11-08 23:20:14,431 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_caef0d90-ae85-42b3-af91-1fcce6c3fecc/bin/ukojak-verify-ImItNfHLgk/data/5a82b1d1f/936e23e7abb04184b832c69fa98f1187 [2024-11-08 23:20:14,434 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-08 23:20:14,436 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-08 23:20:14,437 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-08 23:20:14,437 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-08 23:20:14,443 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-08 23:20:14,444 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 11:20:14" (1/1) ... [2024-11-08 23:20:14,445 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7c3be86f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:20:14, skipping insertion in model container [2024-11-08 23:20:14,445 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 11:20:14" (1/1) ... [2024-11-08 23:20:14,624 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-08 23:20:14,973 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_caef0d90-ae85-42b3-af91-1fcce6c3fecc/sv-benchmarks/c/eca-rers2012/Problem13_label12.c[1672,1685] [2024-11-08 23:20:16,455 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 23:20:16,467 INFO L200 MainTranslator]: Completed pre-run [2024-11-08 23:20:16,490 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_caef0d90-ae85-42b3-af91-1fcce6c3fecc/sv-benchmarks/c/eca-rers2012/Problem13_label12.c[1672,1685] [2024-11-08 23:20:17,277 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 23:20:17,313 INFO L204 MainTranslator]: Completed translation [2024-11-08 23:20:17,314 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:20:17 WrapperNode [2024-11-08 23:20:17,315 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-08 23:20:17,316 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-08 23:20:17,316 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-08 23:20:17,316 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-08 23:20:17,325 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:20:17" (1/1) ... [2024-11-08 23:20:17,399 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:20:17" (1/1) ... [2024-11-08 23:20:18,160 INFO L138 Inliner]: procedures = 17, calls = 11, calls flagged for inlining = 6, calls inlined = 6, statements flattened = 5586 [2024-11-08 23:20:18,164 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-08 23:20:18,165 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-08 23:20:18,166 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-08 23:20:18,166 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-08 23:20:18,189 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:20:17" (1/1) ... [2024-11-08 23:20:18,190 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:20:17" (1/1) ... [2024-11-08 23:20:18,416 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:20:17" (1/1) ... [2024-11-08 23:20:18,417 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:20:17" (1/1) ... [2024-11-08 23:20:18,953 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:20:17" (1/1) ... [2024-11-08 23:20:18,997 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:20:17" (1/1) ... [2024-11-08 23:20:19,025 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:20:17" (1/1) ... [2024-11-08 23:20:19,046 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:20:17" (1/1) ... [2024-11-08 23:20:19,123 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-08 23:20:19,124 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-08 23:20:19,124 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-08 23:20:19,125 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-08 23:20:19,127 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:20:17" (1/1) ... [2024-11-08 23:20:19,136 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 23:20:19,225 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_caef0d90-ae85-42b3-af91-1fcce6c3fecc/bin/ukojak-verify-ImItNfHLgk/z3 [2024-11-08 23:20:19,243 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_caef0d90-ae85-42b3-af91-1fcce6c3fecc/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-08 23:20:19,246 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_caef0d90-ae85-42b3-af91-1fcce6c3fecc/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-08 23:20:19,286 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-08 23:20:19,286 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-08 23:20:19,287 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-08 23:20:19,287 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-08 23:20:19,394 INFO L238 CfgBuilder]: Building ICFG [2024-11-08 23:20:19,397 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-08 23:20:27,614 INFO L? ?]: Removed 738 outVars from TransFormulas that were not future-live. [2024-11-08 23:20:27,615 INFO L287 CfgBuilder]: Performing block encoding