./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2018/Problem15.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 826ab2ba Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f858a5ed-b3fc-43fa-9f43-95bdb977d5cf/bin/ukojak-verify-EEHR8qb7sm/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f858a5ed-b3fc-43fa-9f43-95bdb977d5cf/bin/ukojak-verify-EEHR8qb7sm/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f858a5ed-b3fc-43fa-9f43-95bdb977d5cf/bin/ukojak-verify-EEHR8qb7sm/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f858a5ed-b3fc-43fa-9f43-95bdb977d5cf/bin/ukojak-verify-EEHR8qb7sm/config/KojakReach.xml -i ../../sv-benchmarks/c/eca-rers2018/Problem15.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f858a5ed-b3fc-43fa-9f43-95bdb977d5cf/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f858a5ed-b3fc-43fa-9f43-95bdb977d5cf/bin/ukojak-verify-EEHR8qb7sm --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 4c3fb6a12f90a3ab98b6e7cb3befc9a09cb561b3c9712bc03ad5b3bc8646d2f3 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 22:42:24,310 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 22:42:24,385 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f858a5ed-b3fc-43fa-9f43-95bdb977d5cf/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Reach-32bit-Kojak_Default.epf [2024-11-13 22:42:24,392 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-13 22:42:24,393 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-13 22:42:24,429 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 22:42:24,433 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 22:42:24,434 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-13 22:42:24,434 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 22:42:24,435 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 22:42:24,436 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 22:42:24,436 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 22:42:24,436 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-13 22:42:24,436 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-13 22:42:24,436 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-13 22:42:24,436 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 22:42:24,437 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 22:42:24,437 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 22:42:24,437 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 22:42:24,437 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 22:42:24,437 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-13 22:42:24,438 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 22:42:24,438 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 22:42:24,438 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-13 22:42:24,438 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-13 22:42:24,438 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-13 22:42:24,439 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 22:42:24,439 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 22:42:24,439 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 22:42:24,439 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 22:42:24,440 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 22:42:24,440 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-13 22:42:24,440 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-13 22:42:24,440 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode 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_f858a5ed-b3fc-43fa-9f43-95bdb977d5cf/bin/ukojak-verify-EEHR8qb7sm 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 -> 4c3fb6a12f90a3ab98b6e7cb3befc9a09cb561b3c9712bc03ad5b3bc8646d2f3 [2024-11-13 22:42:24,783 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 22:42:24,793 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 22:42:24,798 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 22:42:24,800 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 22:42:24,800 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 22:42:24,801 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f858a5ed-b3fc-43fa-9f43-95bdb977d5cf/bin/ukojak-verify-EEHR8qb7sm/../../sv-benchmarks/c/eca-rers2018/Problem15.c Unable to find full path for "g++" [2024-11-13 22:42:26,842 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 22:42:28,760 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 22:42:28,761 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f858a5ed-b3fc-43fa-9f43-95bdb977d5cf/sv-benchmarks/c/eca-rers2018/Problem15.c [2024-11-13 22:42:28,955 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f858a5ed-b3fc-43fa-9f43-95bdb977d5cf/bin/ukojak-verify-EEHR8qb7sm/data/5c8a66776/7de7b902a007456ba7e07e1ebd76e683/FLAG868a8e7e7 [2024-11-13 22:42:29,409 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f858a5ed-b3fc-43fa-9f43-95bdb977d5cf/bin/ukojak-verify-EEHR8qb7sm/data/5c8a66776/7de7b902a007456ba7e07e1ebd76e683 [2024-11-13 22:42:29,412 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 22:42:29,414 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 22:42:29,416 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 22:42:29,416 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 22:42:29,421 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 22:42:29,422 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 10:42:29" (1/1) ... [2024-11-13 22:42:29,423 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@67812702 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:42:29, skipping insertion in model container [2024-11-13 22:42:29,423 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 10:42:29" (1/1) ... [2024-11-13 22:42:30,177 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 22:42:30,630 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_f858a5ed-b3fc-43fa-9f43-95bdb977d5cf/sv-benchmarks/c/eca-rers2018/Problem15.c[778,791] [2024-11-13 22:42:30,672 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_f858a5ed-b3fc-43fa-9f43-95bdb977d5cf/sv-benchmarks/c/eca-rers2018/Problem15.c[817,830] [2024-11-13 22:42:56,360 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 22:42:56,418 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 22:42:56,436 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_f858a5ed-b3fc-43fa-9f43-95bdb977d5cf/sv-benchmarks/c/eca-rers2018/Problem15.c[778,791] [2024-11-13 22:42:56,436 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_f858a5ed-b3fc-43fa-9f43-95bdb977d5cf/sv-benchmarks/c/eca-rers2018/Problem15.c[817,830] [2024-11-13 22:43:01,044 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 22:43:01,886 INFO L204 MainTranslator]: Completed translation [2024-11-13 22:43:01,888 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:43:01 WrapperNode [2024-11-13 22:43:01,889 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 22:43:01,890 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 22:43:01,891 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 22:43:01,891 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 22:43:01,898 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:43:01" (1/1) ... [2024-11-13 22:43:02,943 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:43:01" (1/1) ... [2024-11-13 22:43:10,853 INFO L138 Inliner]: procedures = 597, calls = 28034, calls flagged for inlining = 482, calls inlined = 482, statements flattened = 217982 [2024-11-13 22:43:10,854 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 22:43:10,855 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 22:43:10,855 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 22:43:10,855 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 22:43:10,865 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:43:01" (1/1) ... [2024-11-13 22:43:10,865 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:43:01" (1/1) ... [2024-11-13 22:43:13,352 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:43:01" (1/1) ... [2024-11-13 22:43:13,357 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:43:01" (1/1) ... [2024-11-13 22:43:17,356 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:43:01" (1/1) ... [2024-11-13 22:43:17,953 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:43:01" (1/1) ... [2024-11-13 22:43:18,317 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:43:01" (1/1) ... [2024-11-13 22:43:18,563 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:43:01" (1/1) ... [2024-11-13 22:43:20,903 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 22:43:20,906 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 22:43:20,906 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 22:43:20,906 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 22:43:20,909 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:43:01" (1/1) ... [2024-11-13 22:43:20,914 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 22:43:20,941 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f858a5ed-b3fc-43fa-9f43-95bdb977d5cf/bin/ukojak-verify-EEHR8qb7sm/z3 [2024-11-13 22:43:20,959 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f858a5ed-b3fc-43fa-9f43-95bdb977d5cf/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-13 22:43:20,965 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f858a5ed-b3fc-43fa-9f43-95bdb977d5cf/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-13 22:43:20,989 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2024-11-13 22:43:20,989 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-11-13 22:43:20,989 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 22:43:20,989 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 22:43:20,990 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 22:43:20,990 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error_a [2024-11-13 22:43:20,990 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error_a [2024-11-13 22:43:20,990 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error_b [2024-11-13 22:43:20,990 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error_b [2024-11-13 22:43:20,990 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-13 22:43:25,791 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 22:43:25,793 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation