./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/forester-heap/dll-rb-sentinel-1.i --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_3224d644-1eef-4823-8d3d-f7fe750e59e3/bin/ukojak-verify-EEHR8qb7sm/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3224d644-1eef-4823-8d3d-f7fe750e59e3/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_3224d644-1eef-4823-8d3d-f7fe750e59e3/bin/ukojak-verify-EEHR8qb7sm/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3224d644-1eef-4823-8d3d-f7fe750e59e3/bin/ukojak-verify-EEHR8qb7sm/config/KojakReach.xml -i ../../sv-benchmarks/c/forester-heap/dll-rb-sentinel-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3224d644-1eef-4823-8d3d-f7fe750e59e3/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_3224d644-1eef-4823-8d3d-f7fe750e59e3/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 503e46fe74670dc8b1fd2e8b2c5a408fc01c83cb421ff9aefb8796417315d291 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 23:03:43,987 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 23:03:44,060 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3224d644-1eef-4823-8d3d-f7fe750e59e3/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Reach-32bit-Kojak_Default.epf [2024-11-13 23:03:44,067 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-13 23:03:44,068 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-13 23:03:44,112 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 23:03:44,113 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 23:03:44,114 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-13 23:03:44,114 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 23:03:44,115 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 23:03:44,116 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 23:03:44,116 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 23:03:44,116 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-13 23:03:44,117 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-13 23:03:44,117 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-13 23:03:44,117 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 23:03:44,117 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 23:03:44,117 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 23:03:44,117 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 23:03:44,117 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 23:03:44,117 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-13 23:03:44,117 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 23:03:44,117 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 23:03:44,117 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-13 23:03:44,117 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-13 23:03:44,118 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-13 23:03:44,118 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 23:03:44,118 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 23:03:44,118 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 23:03:44,118 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 23:03:44,118 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 23:03:44,118 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-13 23:03:44,118 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-13 23:03:44,118 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_3224d644-1eef-4823-8d3d-f7fe750e59e3/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 -> 503e46fe74670dc8b1fd2e8b2c5a408fc01c83cb421ff9aefb8796417315d291 [2024-11-13 23:03:44,531 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 23:03:44,545 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 23:03:44,547 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 23:03:44,551 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 23:03:44,551 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 23:03:44,553 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3224d644-1eef-4823-8d3d-f7fe750e59e3/bin/ukojak-verify-EEHR8qb7sm/../../sv-benchmarks/c/forester-heap/dll-rb-sentinel-1.i Unable to find full path for "g++" [2024-11-13 23:03:46,716 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 23:03:47,103 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 23:03:47,104 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3224d644-1eef-4823-8d3d-f7fe750e59e3/sv-benchmarks/c/forester-heap/dll-rb-sentinel-1.i [2024-11-13 23:03:47,119 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3224d644-1eef-4823-8d3d-f7fe750e59e3/bin/ukojak-verify-EEHR8qb7sm/data/ea0bcb9a5/12610b6a46a64bc799cc1775ef9be413/FLAGc17a32c4f [2024-11-13 23:03:47,136 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3224d644-1eef-4823-8d3d-f7fe750e59e3/bin/ukojak-verify-EEHR8qb7sm/data/ea0bcb9a5/12610b6a46a64bc799cc1775ef9be413 [2024-11-13 23:03:47,139 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 23:03:47,141 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 23:03:47,142 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 23:03:47,142 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 23:03:47,148 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 23:03:47,149 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 11:03:47" (1/1) ... [2024-11-13 23:03:47,150 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@34291ef0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:03:47, skipping insertion in model container [2024-11-13 23:03:47,150 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 11:03:47" (1/1) ... [2024-11-13 23:03:47,208 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 23:03:47,620 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_3224d644-1eef-4823-8d3d-f7fe750e59e3/sv-benchmarks/c/forester-heap/dll-rb-sentinel-1.i[22665,22678] [2024-11-13 23:03:47,626 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_3224d644-1eef-4823-8d3d-f7fe750e59e3/sv-benchmarks/c/forester-heap/dll-rb-sentinel-1.i[22735,22748] [2024-11-13 23:03:47,626 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_3224d644-1eef-4823-8d3d-f7fe750e59e3/sv-benchmarks/c/forester-heap/dll-rb-sentinel-1.i[22799,22812] [2024-11-13 23:03:47,630 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_3224d644-1eef-4823-8d3d-f7fe750e59e3/sv-benchmarks/c/forester-heap/dll-rb-sentinel-1.i[22894,22907] [2024-11-13 23:03:47,631 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_3224d644-1eef-4823-8d3d-f7fe750e59e3/sv-benchmarks/c/forester-heap/dll-rb-sentinel-1.i[22966,22979] [2024-11-13 23:03:47,632 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_3224d644-1eef-4823-8d3d-f7fe750e59e3/sv-benchmarks/c/forester-heap/dll-rb-sentinel-1.i[23105,23118] [2024-11-13 23:03:47,636 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_3224d644-1eef-4823-8d3d-f7fe750e59e3/sv-benchmarks/c/forester-heap/dll-rb-sentinel-1.i[23179,23192] [2024-11-13 23:03:47,646 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 23:03:47,659 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 23:03:47,740 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_3224d644-1eef-4823-8d3d-f7fe750e59e3/sv-benchmarks/c/forester-heap/dll-rb-sentinel-1.i[22665,22678] [2024-11-13 23:03:47,743 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_3224d644-1eef-4823-8d3d-f7fe750e59e3/sv-benchmarks/c/forester-heap/dll-rb-sentinel-1.i[22735,22748] [2024-11-13 23:03:47,744 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_3224d644-1eef-4823-8d3d-f7fe750e59e3/sv-benchmarks/c/forester-heap/dll-rb-sentinel-1.i[22799,22812] [2024-11-13 23:03:47,745 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_3224d644-1eef-4823-8d3d-f7fe750e59e3/sv-benchmarks/c/forester-heap/dll-rb-sentinel-1.i[22894,22907] [2024-11-13 23:03:47,746 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_3224d644-1eef-4823-8d3d-f7fe750e59e3/sv-benchmarks/c/forester-heap/dll-rb-sentinel-1.i[22966,22979] [2024-11-13 23:03:47,750 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_3224d644-1eef-4823-8d3d-f7fe750e59e3/sv-benchmarks/c/forester-heap/dll-rb-sentinel-1.i[23105,23118] [2024-11-13 23:03:47,751 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_3224d644-1eef-4823-8d3d-f7fe750e59e3/sv-benchmarks/c/forester-heap/dll-rb-sentinel-1.i[23179,23192] [2024-11-13 23:03:47,758 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 23:03:47,796 INFO L204 MainTranslator]: Completed translation [2024-11-13 23:03:47,797 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:03:47 WrapperNode [2024-11-13 23:03:47,797 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 23:03:47,800 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 23:03:47,800 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 23:03:47,800 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 23:03:47,807 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:03:47" (1/1) ... [2024-11-13 23:03:47,827 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:03:47" (1/1) ... [2024-11-13 23:03:47,863 INFO L138 Inliner]: procedures = 119, calls = 43, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 147 [2024-11-13 23:03:47,863 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 23:03:47,864 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 23:03:47,864 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 23:03:47,864 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 23:03:47,875 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:03:47" (1/1) ... [2024-11-13 23:03:47,876 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:03:47" (1/1) ... [2024-11-13 23:03:47,884 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:03:47" (1/1) ... [2024-11-13 23:03:47,885 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:03:47" (1/1) ... [2024-11-13 23:03:47,906 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:03:47" (1/1) ... [2024-11-13 23:03:47,913 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:03:47" (1/1) ... [2024-11-13 23:03:47,915 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:03:47" (1/1) ... [2024-11-13 23:03:47,920 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:03:47" (1/1) ... [2024-11-13 23:03:47,926 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 23:03:47,927 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 23:03:47,927 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 23:03:47,927 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 23:03:47,930 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:03:47" (1/1) ... [2024-11-13 23:03:47,936 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 23:03:47,950 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3224d644-1eef-4823-8d3d-f7fe750e59e3/bin/ukojak-verify-EEHR8qb7sm/z3 [2024-11-13 23:03:47,969 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3224d644-1eef-4823-8d3d-f7fe750e59e3/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-13 23:03:47,974 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3224d644-1eef-4823-8d3d-f7fe750e59e3/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-13 23:03:48,009 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-11-13 23:03:48,009 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-11-13 23:03:48,009 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-13 23:03:48,009 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 23:03:48,009 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2024-11-13 23:03:48,009 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2024-11-13 23:03:48,009 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-13 23:03:48,010 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-13 23:03:48,010 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 23:03:48,010 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 23:03:48,138 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 23:03:48,140 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 23:03:48,501 INFO L? ?]: Removed 12 outVars from TransFormulas that were not future-live. [2024-11-13 23:03:48,501 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 23:03:48,613 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 23:03:48,615 INFO L316 CfgBuilder]: Removed 17 assume(true) statements. [2024-11-13 23:03:48,616 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 11:03:48 BoogieIcfgContainer [2024-11-13 23:03:48,616 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 23:03:48,617 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-13 23:03:48,620 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-13 23:03:48,633 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-13 23:03:48,633 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 11:03:48" (1/1) ... [2024-11-13 23:03:48,646 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 23:03:48,706 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:03:48,715 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 41 states and 66 transitions. [2024-11-13 23:03:48,716 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 66 transitions. [2024-11-13 23:03:48,719 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2024-11-13 23:03:48,719 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:03:48,720 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 23:03:48,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:03:49,032 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 23:03:49,066 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:03:49,067 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 41 states and 61 transitions. [2024-11-13 23:03:49,067 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 61 transitions. [2024-11-13 23:03:49,068 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-11-13 23:03:49,068 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:03:49,068 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 23:03:49,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:03:50,266 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 23:03:50,755 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:03:50,756 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 39 states and 56 transitions. [2024-11-13 23:03:50,756 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 56 transitions. [2024-11-13 23:03:50,757 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-11-13 23:03:50,757 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:03:50,757 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 23:03:50,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:03:50,910 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 23:03:51,224 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:03:51,224 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62 states to 43 states and 62 transitions. [2024-11-13 23:03:51,224 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 62 transitions. [2024-11-13 23:03:51,225 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-11-13 23:03:51,225 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:03:51,226 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 23:03:51,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:03:51,334 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 23:03:51,338 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:03:51,341 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58 states to 43 states and 58 transitions. [2024-11-13 23:03:51,342 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 58 transitions. [2024-11-13 23:03:51,342 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-11-13 23:03:51,343 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:03:51,343 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 23:03:51,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:03:52,540 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 23:03:53,230 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:03:53,231 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 41 states and 55 transitions. [2024-11-13 23:03:53,231 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 55 transitions. [2024-11-13 23:03:53,231 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-11-13 23:03:53,231 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:03:53,232 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 23:03:53,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:03:53,568 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 23:03:54,332 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:03:54,332 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62 states to 48 states and 62 transitions. [2024-11-13 23:03:54,332 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 62 transitions. [2024-11-13 23:03:54,333 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2024-11-13 23:03:54,333 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:03:54,333 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 23:03:54,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:03:55,084 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 23:03:57,276 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:03:57,278 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 57 states and 76 transitions. [2024-11-13 23:03:57,278 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 76 transitions. [2024-11-13 23:03:57,281 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-11-13 23:03:57,282 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:03:57,282 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 23:03:57,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:03:57,473 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 23:03:57,882 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:03:57,882 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 59 states and 77 transitions. [2024-11-13 23:03:57,883 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 77 transitions. [2024-11-13 23:03:57,883 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2024-11-13 23:03:57,883 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:03:57,883 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 23:03:57,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:03:58,015 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-13 23:04:00,031 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:04:00,032 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 67 states and 85 transitions. [2024-11-13 23:04:00,032 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 85 transitions. [2024-11-13 23:04:00,032 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2024-11-13 23:04:00,032 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:04:00,033 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 23:04:00,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:04:00,339 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 23:04:02,945 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:04:02,946 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 106 states to 79 states and 106 transitions. [2024-11-13 23:04:02,946 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 106 transitions. [2024-11-13 23:04:02,946 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-11-13 23:04:02,947 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:04:02,947 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 23:04:03,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:04:04,237 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 23:04:08,378 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:04:08,379 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 122 states to 89 states and 122 transitions. [2024-11-13 23:04:08,379 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 122 transitions. [2024-11-13 23:04:08,380 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-11-13 23:04:08,380 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:04:08,380 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 23:04:08,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:04:08,917 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 5 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-13 23:04:12,909 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:04:12,910 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 147 states to 101 states and 147 transitions. [2024-11-13 23:04:12,910 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 147 transitions. [2024-11-13 23:04:12,911 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2024-11-13 23:04:12,911 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:04:12,911 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 23:04:13,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:04:14,762 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-13 23:04:19,273 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:04:19,273 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 164 states to 111 states and 164 transitions. [2024-11-13 23:04:19,274 INFO L276 IsEmpty]: Start isEmpty. Operand 111 states and 164 transitions. [2024-11-13 23:04:19,274 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2024-11-13 23:04:19,275 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:04:19,275 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 23:04:19,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:04:24,190 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 23:04:39,996 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:04:39,996 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 213 states to 135 states and 213 transitions. [2024-11-13 23:04:39,997 INFO L276 IsEmpty]: Start isEmpty. Operand 135 states and 213 transitions. [2024-11-13 23:04:39,998 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2024-11-13 23:04:39,998 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:04:39,998 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 23:04:40,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:04:45,961 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 23:04:59,197 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:04:59,198 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 239 states to 145 states and 239 transitions. [2024-11-13 23:04:59,198 INFO L276 IsEmpty]: Start isEmpty. Operand 145 states and 239 transitions. [2024-11-13 23:04:59,199 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-11-13 23:04:59,199 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:04:59,199 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 23:04:59,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:05:02,807 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 14 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 23:05:18,464 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:05:18,465 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 274 states to 165 states and 274 transitions. [2024-11-13 23:05:18,465 INFO L276 IsEmpty]: Start isEmpty. Operand 165 states and 274 transitions. [2024-11-13 23:05:18,466 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-11-13 23:05:18,466 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:05:18,466 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 23:05:18,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:05:22,520 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 14 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 23:05:25,597 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:05:25,597 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 279 states to 167 states and 279 transitions. [2024-11-13 23:05:25,598 INFO L276 IsEmpty]: Start isEmpty. Operand 167 states and 279 transitions. [2024-11-13 23:05:25,598 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-11-13 23:05:25,599 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:05:25,599 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 23:05:25,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:05:28,054 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 14 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 23:05:31,199 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:05:31,200 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 285 states to 169 states and 285 transitions. [2024-11-13 23:05:31,200 INFO L276 IsEmpty]: Start isEmpty. Operand 169 states and 285 transitions. [2024-11-13 23:05:31,201 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-11-13 23:05:31,201 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:05:31,202 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 23:05:31,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:05:38,745 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 23:06:10,643 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:06:10,643 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 340 states to 190 states and 340 transitions. [2024-11-13 23:06:10,644 INFO L276 IsEmpty]: Start isEmpty. Operand 190 states and 340 transitions. [2024-11-13 23:06:10,644 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-11-13 23:06:10,644 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:06:10,645 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 23:06:10,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 23:06:10,695 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 23:06:10,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 23:06:11,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 23:06:11,337 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 23:06:11,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 23:06:11,722 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 20 iterations. [2024-11-13 23:06:11,793 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 13.11 11:06:11 ImpRootNode [2024-11-13 23:06:11,793 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-13 23:06:11,795 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-13 23:06:11,796 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-13 23:06:11,796 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-13 23:06:11,797 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 11:03:48" (3/4) ... [2024-11-13 23:06:11,798 INFO L136 WitnessPrinter]: Generating witness for reachability counterexample [2024-11-13 23:06:11,876 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3224d644-1eef-4823-8d3d-f7fe750e59e3/bin/ukojak-verify-EEHR8qb7sm/witness.graphml [2024-11-13 23:06:11,876 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-13 23:06:11,877 INFO L158 Benchmark]: Toolchain (without parser) took 144736.60ms. Allocated memory was 117.4MB in the beginning and 1.4GB in the end (delta: 1.2GB). Free memory was 92.2MB in the beginning and 1.2GB in the end (delta: -1.1GB). Peak memory consumption was 141.6MB. Max. memory is 16.1GB. [2024-11-13 23:06:11,877 INFO L158 Benchmark]: CDTParser took 0.45ms. Allocated memory is still 117.4MB. Free memory is still 74.9MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 23:06:11,878 INFO L158 Benchmark]: CACSL2BoogieTranslator took 655.34ms. Allocated memory is still 117.4MB. Free memory was 91.9MB in the beginning and 74.3MB in the end (delta: 17.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-13 23:06:11,878 INFO L158 Benchmark]: Boogie Procedure Inliner took 63.93ms. Allocated memory is still 117.4MB. Free memory was 74.3MB in the beginning and 72.3MB in the end (delta: 2.0MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 23:06:11,878 INFO L158 Benchmark]: Boogie Preprocessor took 61.74ms. Allocated memory is still 117.4MB. Free memory was 72.3MB in the beginning and 70.8MB in the end (delta: 1.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 23:06:11,879 INFO L158 Benchmark]: RCFGBuilder took 689.80ms. Allocated memory is still 117.4MB. Free memory was 70.8MB in the beginning and 48.0MB in the end (delta: 22.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-13 23:06:11,879 INFO L158 Benchmark]: CodeCheck took 143176.42ms. Allocated memory was 117.4MB in the beginning and 1.4GB in the end (delta: 1.2GB). Free memory was 48.0MB in the beginning and 1.2GB in the end (delta: -1.1GB). Peak memory consumption was 99.7MB. Max. memory is 16.1GB. [2024-11-13 23:06:11,879 INFO L158 Benchmark]: Witness Printer took 80.78ms. Allocated memory is still 1.4GB. Free memory was 1.2GB in the beginning and 1.2GB in the end (delta: 280.1kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 23:06:11,883 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 1 procedures, 41 locations, 7 error locations. Started 1 CEGAR loops. OverallTime: 143.1s, OverallIterations: 20, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 3116 SdHoareTripleChecker+Valid, 121.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 1969 mSDsluCounter, 2637 SdHoareTripleChecker+Invalid, 118.3s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 2149 mSDsCounter, 847 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 4542 IncrementalHoareTripleChecker+Invalid, 5389 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 847 mSolverCounterUnsat, 488 mSDtfsCounter, 4542 mSolverCounterSat, 0.3s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 3113 GetRequests, 2510 SyntacticMatches, 77 SemanticMatches, 526 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 143594 ImplicationChecksByTransitivity, 99.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.1s SsaConstructionTime, 1.5s SatisfiabilityAnalysisTime, 35.0s InterpolantComputationTime, 356 NumberOfCodeBlocks, 356 NumberOfCodeBlocksAsserted, 20 NumberOfCheckSat, 308 ConstructedInterpolants, 0 QuantifiedInterpolants, 6716 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 19 InterpolantComputations, 9 PerfectInterpolantSequences, 11/81 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - CounterExampleResult [Line: 1049]: a call to reach_error is reachable a call to reach_error is reachable We found a FailurePath: [L998] struct TSLL* null = malloc(sizeof(struct TSLL)); [L999] null->next = ((void*)0) [L1000] null->prev = ((void*)0) [L1001] null->colour = BLACK [L1003] struct TSLL* list = malloc(sizeof(struct TSLL)); [L1004] list->next = null [L1005] list->prev = null [L1006] list->colour = BLACK [L1008] struct TSLL* end = list; VAL [end={-2:0}, list={-2:0}, null={-3:0}] [L1011] COND TRUE __VERIFIER_nondet_int() [L1014] end->next = malloc(sizeof(struct TSLL)) [L1015] EXPR end->next [L1015] end->next->prev = end [L1016] EXPR end->next [L1016] end = end->next [L1017] end->next = null [L1019] COND FALSE !(__VERIFIER_nondet_int()) [L1025] end->colour = RED [L1026] end->next = malloc(sizeof(struct TSLL)) [L1027] EXPR end->next [L1027] end->next->prev = end [L1028] EXPR end->next [L1028] end = end->next [L1029] end->next = null [L1030] end->colour = BLACK VAL [end={11082:0}, list={-2:0}, null={-3:0}] [L1032] EXPR end->colour VAL [end={11082:0}, list={-2:0}, null={-3:0}] [L1032] COND FALSE !(!(BLACK == end->colour)) [L1033] EXPR end->next VAL [end={11082:0}, list={-2:0}, null={-3:0}] [L1033] COND FALSE !(!(null == end->next)) [L1034] COND FALSE !(!(null != end)) VAL [end={11082:0}, list={-2:0}, null={-3:0}] [L1011] COND FALSE !(__VERIFIER_nondet_int()) [L1037] end = null [L1038] end = list VAL [end={-2:0}, list={-2:0}, null={-3:0}] [L1041] COND FALSE !(!(null != end)) VAL [end={-2:0}, list={-2:0}, null={-3:0}] [L1042] EXPR end->colour VAL [end={-2:0}, list={-2:0}, null={-3:0}] [L1042] COND FALSE !(!(BLACK == end->colour)) [L1043] COND TRUE null != end [L1045] EXPR end->colour VAL [end={-2:0}, list={-2:0}, null={-3:0}] [L1045] COND FALSE !(RED == end->colour) [L1052] EXPR end->next [L1052] end = end->next [L1043] COND TRUE null != end [L1045] EXPR end->colour VAL [end={-1:0}, list={-2:0}, null={-3:0}] [L1045] COND TRUE RED == end->colour [L1047] EXPR end->next [L1047] end = end->next [L1048] COND FALSE !(!(null != end)) VAL [end={11082:0}, list={-2:0}, null={-3:0}] [L1049] EXPR end->colour VAL [end={11082:0}, list={-2:0}, null={-3:0}] [L1049] COND TRUE !(BLACK != end->colour) [L1049] reach_error() VAL [end={11082:0}, list={-2:0}, null={-3:0}] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.45ms. Allocated memory is still 117.4MB. Free memory is still 74.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 655.34ms. Allocated memory is still 117.4MB. Free memory was 91.9MB in the beginning and 74.3MB in the end (delta: 17.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 63.93ms. Allocated memory is still 117.4MB. Free memory was 74.3MB in the beginning and 72.3MB in the end (delta: 2.0MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 61.74ms. Allocated memory is still 117.4MB. Free memory was 72.3MB in the beginning and 70.8MB in the end (delta: 1.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * RCFGBuilder took 689.80ms. Allocated memory is still 117.4MB. Free memory was 70.8MB in the beginning and 48.0MB in the end (delta: 22.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 143176.42ms. Allocated memory was 117.4MB in the beginning and 1.4GB in the end (delta: 1.2GB). Free memory was 48.0MB in the beginning and 1.2GB in the end (delta: -1.1GB). Peak memory consumption was 99.7MB. Max. memory is 16.1GB. * Witness Printer took 80.78ms. Allocated memory is still 1.4GB. Free memory was 1.2GB in the beginning and 1.2GB in the end (delta: 280.1kB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be incorrect! [2024-11-13 23:06:11,918 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3224d644-1eef-4823-8d3d-f7fe750e59e3/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE