./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem13_label31.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_3374e638-d46d-4a78-98ca-206e4759b62e/bin/ukojak-verify-ImItNfHLgk/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3374e638-d46d-4a78-98ca-206e4759b62e/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_3374e638-d46d-4a78-98ca-206e4759b62e/bin/ukojak-verify-ImItNfHLgk/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3374e638-d46d-4a78-98ca-206e4759b62e/bin/ukojak-verify-ImItNfHLgk/config/KojakReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem13_label31.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3374e638-d46d-4a78-98ca-206e4759b62e/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_3374e638-d46d-4a78-98ca-206e4759b62e/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 781b4c30281e668acaf3c14c6cf74c491996fd51fc229d130e4fc767358d6ab3 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-08 19:26:18,790 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-08 19:26:18,884 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3374e638-d46d-4a78-98ca-206e4759b62e/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Reach-32bit-Kojak_Default.epf [2024-11-08 19:26:18,891 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-08 19:26:18,891 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-08 19:26:18,928 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-08 19:26:18,931 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-08 19:26:18,931 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-08 19:26:18,932 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-08 19:26:18,933 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-08 19:26:18,934 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-08 19:26:18,935 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-08 19:26:18,936 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-08 19:26:18,936 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-08 19:26:18,936 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-08 19:26:18,937 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-08 19:26:18,937 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-08 19:26:18,937 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-08 19:26:18,938 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-08 19:26:18,938 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-08 19:26:18,942 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-08 19:26:18,943 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-08 19:26:18,943 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-08 19:26:18,943 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-08 19:26:18,943 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-08 19:26:18,944 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-08 19:26:18,944 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-08 19:26:18,944 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 19:26:18,945 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-08 19:26:18,945 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-08 19:26:18,945 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-08 19:26:18,945 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-08 19:26:18,946 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-08 19:26:18,946 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_3374e638-d46d-4a78-98ca-206e4759b62e/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3374e638-d46d-4a78-98ca-206e4759b62e/bin/ukojak-verify-ImItNfHLgk Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 781b4c30281e668acaf3c14c6cf74c491996fd51fc229d130e4fc767358d6ab3 [2024-11-08 19:26:19,217 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-08 19:26:19,241 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-08 19:26:19,243 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-08 19:26:19,245 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-08 19:26:19,245 INFO L274 PluginConnector]: CDTParser initialized [2024-11-08 19:26:19,247 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3374e638-d46d-4a78-98ca-206e4759b62e/bin/ukojak-verify-ImItNfHLgk/../../sv-benchmarks/c/eca-rers2012/Problem13_label31.c Unable to find full path for "g++" [2024-11-08 19:26:21,200 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-08 19:26:21,763 INFO L384 CDTParser]: Found 1 translation units. [2024-11-08 19:26:21,764 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3374e638-d46d-4a78-98ca-206e4759b62e/sv-benchmarks/c/eca-rers2012/Problem13_label31.c [2024-11-08 19:26:21,808 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3374e638-d46d-4a78-98ca-206e4759b62e/bin/ukojak-verify-ImItNfHLgk/data/26707be53/939684ae2f984985bafb2a0d75a0c2d9/FLAG60c01e399 [2024-11-08 19:26:22,277 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3374e638-d46d-4a78-98ca-206e4759b62e/bin/ukojak-verify-ImItNfHLgk/data/26707be53/939684ae2f984985bafb2a0d75a0c2d9 [2024-11-08 19:26:22,280 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-08 19:26:22,282 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-08 19:26:22,285 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-08 19:26:22,286 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-08 19:26:22,291 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-08 19:26:22,292 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 07:26:22" (1/1) ... [2024-11-08 19:26:22,297 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4aed5971 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:26:22, skipping insertion in model container [2024-11-08 19:26:22,297 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 07:26:22" (1/1) ... [2024-11-08 19:26:22,458 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-08 19:26:22,835 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_3374e638-d46d-4a78-98ca-206e4759b62e/sv-benchmarks/c/eca-rers2012/Problem13_label31.c[5792,5805] [2024-11-08 19:26:24,139 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 19:26:24,149 INFO L200 MainTranslator]: Completed pre-run [2024-11-08 19:26:24,182 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_3374e638-d46d-4a78-98ca-206e4759b62e/sv-benchmarks/c/eca-rers2012/Problem13_label31.c[5792,5805] [2024-11-08 19:26:24,977 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 19:26:25,007 INFO L204 MainTranslator]: Completed translation [2024-11-08 19:26:25,008 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:26:25 WrapperNode [2024-11-08 19:26:25,008 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-08 19:26:25,009 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-08 19:26:25,009 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-08 19:26:25,009 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-08 19:26:25,017 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:26:25" (1/1) ... [2024-11-08 19:26:25,110 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:26:25" (1/1) ... [2024-11-08 19:26:25,643 INFO L138 Inliner]: procedures = 17, calls = 11, calls flagged for inlining = 6, calls inlined = 6, statements flattened = 5586 [2024-11-08 19:26:25,643 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-08 19:26:25,644 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-08 19:26:25,644 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-08 19:26:25,644 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-08 19:26:25,654 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:26:25" (1/1) ... [2024-11-08 19:26:25,654 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:26:25" (1/1) ... [2024-11-08 19:26:25,781 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:26:25" (1/1) ... [2024-11-08 19:26:25,782 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:26:25" (1/1) ... [2024-11-08 19:26:26,125 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:26:25" (1/1) ... [2024-11-08 19:26:26,210 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:26:25" (1/1) ... [2024-11-08 19:26:26,321 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:26:25" (1/1) ... [2024-11-08 19:26:26,345 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:26:25" (1/1) ... [2024-11-08 19:26:26,478 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-08 19:26:26,480 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-08 19:26:26,481 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-08 19:26:26,481 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-08 19:26:26,482 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:26:25" (1/1) ... [2024-11-08 19:26:26,488 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 19:26:26,500 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3374e638-d46d-4a78-98ca-206e4759b62e/bin/ukojak-verify-ImItNfHLgk/z3 [2024-11-08 19:26:26,516 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3374e638-d46d-4a78-98ca-206e4759b62e/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-08 19:26:26,519 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3374e638-d46d-4a78-98ca-206e4759b62e/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-08 19:26:26,551 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-08 19:26:26,551 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-08 19:26:26,551 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-08 19:26:26,552 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-08 19:26:26,642 INFO L238 CfgBuilder]: Building ICFG [2024-11-08 19:26:26,646 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-08 19:26:34,409 INFO L? ?]: Removed 738 outVars from TransFormulas that were not future-live. [2024-11-08 19:26:34,409 INFO L287 CfgBuilder]: Performing block encoding