./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem19_label19.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_bdcdcea1-cce1-488a-96f9-1d32e295d3cf/bin/ukojak-verify-EEHR8qb7sm/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bdcdcea1-cce1-488a-96f9-1d32e295d3cf/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_bdcdcea1-cce1-488a-96f9-1d32e295d3cf/bin/ukojak-verify-EEHR8qb7sm/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bdcdcea1-cce1-488a-96f9-1d32e295d3cf/bin/ukojak-verify-EEHR8qb7sm/config/KojakReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem19_label19.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bdcdcea1-cce1-488a-96f9-1d32e295d3cf/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_bdcdcea1-cce1-488a-96f9-1d32e295d3cf/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 497507965304fa3958b4d8590ba6d10980c500d31bff8080fc78d47954487eca --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 20:52:51,110 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 20:52:51,196 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bdcdcea1-cce1-488a-96f9-1d32e295d3cf/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Reach-32bit-Kojak_Default.epf [2024-11-13 20:52:51,202 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-13 20:52:51,202 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-13 20:52:51,229 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 20:52:51,230 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 20:52:51,231 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-13 20:52:51,231 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 20:52:51,231 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 20:52:51,232 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 20:52:51,232 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 20:52:51,232 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-13 20:52:51,232 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-13 20:52:51,232 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-13 20:52:51,233 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 20:52:51,233 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 20:52:51,233 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 20:52:51,233 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 20:52:51,233 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 20:52:51,234 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-13 20:52:51,234 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 20:52:51,234 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 20:52:51,234 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-13 20:52:51,234 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-13 20:52:51,234 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-13 20:52:51,235 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 20:52:51,235 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 20:52:51,235 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 20:52:51,235 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 20:52:51,235 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 20:52:51,235 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-13 20:52:51,236 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-13 20:52:51,236 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_bdcdcea1-cce1-488a-96f9-1d32e295d3cf/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 -> 497507965304fa3958b4d8590ba6d10980c500d31bff8080fc78d47954487eca [2024-11-13 20:52:51,589 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 20:52:51,601 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 20:52:51,606 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 20:52:51,608 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 20:52:51,608 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 20:52:51,610 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bdcdcea1-cce1-488a-96f9-1d32e295d3cf/bin/ukojak-verify-EEHR8qb7sm/../../sv-benchmarks/c/eca-rers2012/Problem19_label19.c Unable to find full path for "g++" [2024-11-13 20:52:53,668 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 20:52:54,505 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 20:52:54,506 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bdcdcea1-cce1-488a-96f9-1d32e295d3cf/sv-benchmarks/c/eca-rers2012/Problem19_label19.c [2024-11-13 20:52:54,561 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bdcdcea1-cce1-488a-96f9-1d32e295d3cf/bin/ukojak-verify-EEHR8qb7sm/data/d0f4d2a2d/2c43e4328e6b49ae984e9d679959750f/FLAGd5170eb2c [2024-11-13 20:52:54,762 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bdcdcea1-cce1-488a-96f9-1d32e295d3cf/bin/ukojak-verify-EEHR8qb7sm/data/d0f4d2a2d/2c43e4328e6b49ae984e9d679959750f [2024-11-13 20:52:54,765 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 20:52:54,768 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 20:52:54,770 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 20:52:54,770 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 20:52:54,776 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 20:52:54,777 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 08:52:54" (1/1) ... [2024-11-13 20:52:54,779 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7d4d84a9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:52:54, skipping insertion in model container [2024-11-13 20:52:54,779 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 08:52:54" (1/1) ... [2024-11-13 20:52:54,970 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 20:52:55,353 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_bdcdcea1-cce1-488a-96f9-1d32e295d3cf/sv-benchmarks/c/eca-rers2012/Problem19_label19.c[3491,3504] [2024-11-13 20:52:56,974 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 20:52:56,990 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 20:52:57,020 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_bdcdcea1-cce1-488a-96f9-1d32e295d3cf/sv-benchmarks/c/eca-rers2012/Problem19_label19.c[3491,3504] [2024-11-13 20:52:58,127 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 20:52:58,208 INFO L204 MainTranslator]: Completed translation [2024-11-13 20:52:58,210 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:52:58 WrapperNode [2024-11-13 20:52:58,211 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 20:52:58,212 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 20:52:58,213 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 20:52:58,213 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 20:52:58,220 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:52:58" (1/1) ... [2024-11-13 20:52:58,341 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:52:58" (1/1) ... [2024-11-13 20:52:59,287 INFO L138 Inliner]: procedures = 19, calls = 13, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 9430 [2024-11-13 20:52:59,289 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 20:52:59,290 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 20:52:59,291 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 20:52:59,291 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 20:52:59,301 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:52:58" (1/1) ... [2024-11-13 20:52:59,301 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:52:58" (1/1) ... [2024-11-13 20:52:59,634 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:52:58" (1/1) ... [2024-11-13 20:52:59,635 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:52:58" (1/1) ... [2024-11-13 20:53:00,040 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:52:58" (1/1) ... [2024-11-13 20:53:00,231 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:52:58" (1/1) ... [2024-11-13 20:53:00,357 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:52:58" (1/1) ... [2024-11-13 20:53:00,390 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:52:58" (1/1) ... [2024-11-13 20:53:00,579 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 20:53:00,581 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 20:53:00,581 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 20:53:00,581 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 20:53:00,586 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:52:58" (1/1) ... [2024-11-13 20:53:00,600 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 20:53:00,623 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bdcdcea1-cce1-488a-96f9-1d32e295d3cf/bin/ukojak-verify-EEHR8qb7sm/z3 [2024-11-13 20:53:00,645 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bdcdcea1-cce1-488a-96f9-1d32e295d3cf/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-13 20:53:00,649 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bdcdcea1-cce1-488a-96f9-1d32e295d3cf/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-13 20:53:00,685 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 20:53:00,686 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-13 20:53:00,686 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 20:53:00,686 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 20:53:00,808 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 20:53:00,811 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 20:53:12,443 INFO L? ?]: Removed 1320 outVars from TransFormulas that were not future-live. [2024-11-13 20:53:12,444 INFO L287 CfgBuilder]: Performing block encoding