./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-regression/test26-2.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version d790fecc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5824837-7666-4126-851f-a9ccd89931a5/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5824837-7666-4126-851f-a9ccd89931a5/bin/ukojak-verify-CZk0znPC7b/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5824837-7666-4126-851f-a9ccd89931a5/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5824837-7666-4126-851f-a9ccd89931a5/bin/ukojak-verify-CZk0znPC7b/config/KojakReach.xml -i ../../sv-benchmarks/c/ldv-regression/test26-2.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5824837-7666-4126-851f-a9ccd89931a5/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5824837-7666-4126-851f-a9ccd89931a5/bin/ukojak-verify-CZk0znPC7b --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 c5617f713954d7209d6b7210dc855bccb3ec884121999fe1b009aa3de39a1bff --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-05 21:50:07,496 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-05 21:50:07,556 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5824837-7666-4126-851f-a9ccd89931a5/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-32bit-Kojak_Default.epf [2024-12-05 21:50:07,560 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-05 21:50:07,561 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-12-05 21:50:07,581 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-05 21:50:07,581 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-05 21:50:07,581 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-12-05 21:50:07,582 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-05 21:50:07,582 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-05 21:50:07,582 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-05 21:50:07,582 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-05 21:50:07,582 INFO L153 SettingsManager]: * sizeof long=4 [2024-12-05 21:50:07,582 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-12-05 21:50:07,582 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-12-05 21:50:07,583 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-05 21:50:07,583 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-05 21:50:07,583 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-05 21:50:07,583 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-05 21:50:07,583 INFO L153 SettingsManager]: * sizeof long double=12 [2024-12-05 21:50:07,583 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-05 21:50:07,583 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-05 21:50:07,583 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-05 21:50:07,583 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-05 21:50:07,583 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-05 21:50:07,583 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-05 21:50:07,583 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-05 21:50:07,583 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-05 21:50:07,584 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-05 21:50:07,584 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-05 21:50:07,584 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-05 21:50:07,584 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-12-05 21:50:07,584 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-12-05 21:50:07,584 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_b5824837-7666-4126-851f-a9ccd89931a5/bin/ukojak-verify-CZk0znPC7b 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 -> c5617f713954d7209d6b7210dc855bccb3ec884121999fe1b009aa3de39a1bff [2024-12-05 21:50:07,827 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-05 21:50:07,835 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-05 21:50:07,837 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-05 21:50:07,839 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-05 21:50:07,839 INFO L274 PluginConnector]: CDTParser initialized [2024-12-05 21:50:07,840 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5824837-7666-4126-851f-a9ccd89931a5/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/ldv-regression/test26-2.c [2024-12-05 21:50:10,580 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5824837-7666-4126-851f-a9ccd89931a5/bin/ukojak-verify-CZk0znPC7b/data/422d5175d/969515164ecf460ca652168693121257/FLAG1a49a1bf0 [2024-12-05 21:50:10,788 INFO L384 CDTParser]: Found 1 translation units. [2024-12-05 21:50:10,789 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5824837-7666-4126-851f-a9ccd89931a5/sv-benchmarks/c/ldv-regression/test26-2.c [2024-12-05 21:50:10,796 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5824837-7666-4126-851f-a9ccd89931a5/bin/ukojak-verify-CZk0znPC7b/data/422d5175d/969515164ecf460ca652168693121257/FLAG1a49a1bf0 [2024-12-05 21:50:10,812 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5824837-7666-4126-851f-a9ccd89931a5/bin/ukojak-verify-CZk0znPC7b/data/422d5175d/969515164ecf460ca652168693121257 [2024-12-05 21:50:10,814 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-05 21:50:10,815 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-05 21:50:10,816 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-05 21:50:10,816 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-05 21:50:10,820 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-05 21:50:10,821 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.12 09:50:10" (1/1) ... [2024-12-05 21:50:10,821 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@43cebce4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:50:10, skipping insertion in model container [2024-12-05 21:50:10,822 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.12 09:50:10" (1/1) ... [2024-12-05 21:50:10,833 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-05 21:50:10,985 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_b5824837-7666-4126-851f-a9ccd89931a5/sv-benchmarks/c/ldv-regression/test26-2.c[493,506] [2024-12-05 21:50:10,989 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-05 21:50:11,001 INFO L200 MainTranslator]: Completed pre-run [2024-12-05 21:50:11,015 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_b5824837-7666-4126-851f-a9ccd89931a5/sv-benchmarks/c/ldv-regression/test26-2.c[493,506] [2024-12-05 21:50:11,016 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-05 21:50:11,033 INFO L204 MainTranslator]: Completed translation [2024-12-05 21:50:11,034 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:50:11 WrapperNode [2024-12-05 21:50:11,034 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-05 21:50:11,035 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-05 21:50:11,035 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-05 21:50:11,035 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-05 21:50:11,043 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:50:11" (1/1) ... [2024-12-05 21:50:11,050 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:50:11" (1/1) ... [2024-12-05 21:50:11,066 INFO L138 Inliner]: procedures = 12, calls = 15, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 35 [2024-12-05 21:50:11,066 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-05 21:50:11,067 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-05 21:50:11,067 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-05 21:50:11,067 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-05 21:50:11,075 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:50:11" (1/1) ... [2024-12-05 21:50:11,075 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:50:11" (1/1) ... [2024-12-05 21:50:11,076 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:50:11" (1/1) ... [2024-12-05 21:50:11,077 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:50:11" (1/1) ... [2024-12-05 21:50:11,082 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:50:11" (1/1) ... [2024-12-05 21:50:11,083 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:50:11" (1/1) ... [2024-12-05 21:50:11,084 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:50:11" (1/1) ... [2024-12-05 21:50:11,085 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:50:11" (1/1) ... [2024-12-05 21:50:11,086 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:50:11" (1/1) ... [2024-12-05 21:50:11,087 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-05 21:50:11,088 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-05 21:50:11,088 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-05 21:50:11,088 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-05 21:50:11,089 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:50:11" (1/1) ... [2024-12-05 21:50:11,096 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-05 21:50:11,109 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5824837-7666-4126-851f-a9ccd89931a5/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-05 21:50:11,123 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5824837-7666-4126-851f-a9ccd89931a5/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-05 21:50:11,127 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5824837-7666-4126-851f-a9ccd89931a5/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-05 21:50:11,155 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-12-05 21:50:11,155 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-05 21:50:11,155 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-05 21:50:11,155 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-05 21:50:11,155 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-12-05 21:50:11,155 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-12-05 21:50:11,221 INFO L234 CfgBuilder]: Building ICFG [2024-12-05 21:50:11,223 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-05 21:50:11,314 INFO L? ?]: Removed 12 outVars from TransFormulas that were not future-live. [2024-12-05 21:50:11,314 INFO L283 CfgBuilder]: Performing block encoding [2024-12-05 21:50:11,352 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-05 21:50:11,353 INFO L312 CfgBuilder]: Removed 0 assume(true) statements. [2024-12-05 21:50:11,353 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.12 09:50:11 BoogieIcfgContainer [2024-12-05 21:50:11,353 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-05 21:50:11,354 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-12-05 21:50:11,354 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-12-05 21:50:11,364 INFO L274 PluginConnector]: CodeCheck initialized [2024-12-05 21:50:11,364 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.12 09:50:11" (1/1) ... [2024-12-05 21:50:11,373 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-05 21:50:11,417 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 21:50:11,425 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 6 transitions. [2024-12-05 21:50:11,425 INFO L276 IsEmpty]: Start isEmpty. Operand 6 states and 6 transitions. [2024-12-05 21:50:11,428 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2024-12-05 21:50:11,428 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 21:50:11,428 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 21:50:11,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-05 21:50:11,517 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-05 21:50:11,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-05 21:50:11,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-05 21:50:11,572 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-05 21:50:11,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-05 21:50:11,590 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2024-12-05 21:50:11,608 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 05.12 09:50:11 ImpRootNode [2024-12-05 21:50:11,608 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-12-05 21:50:11,609 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-12-05 21:50:11,609 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-12-05 21:50:11,609 INFO L274 PluginConnector]: Witness Printer initialized [2024-12-05 21:50:11,610 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.12 09:50:11" (3/4) ... [2024-12-05 21:50:11,611 INFO L140 WitnessPrinter]: Generating witness for reachability counterexample [2024-12-05 21:50:11,639 INFO L129 tionWitnessGenerator]: Generated YAML witness of length 4. [2024-12-05 21:50:11,672 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5824837-7666-4126-851f-a9ccd89931a5/bin/ukojak-verify-CZk0znPC7b/witness.graphml [2024-12-05 21:50:11,672 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5824837-7666-4126-851f-a9ccd89931a5/bin/ukojak-verify-CZk0znPC7b/witness.yml [2024-12-05 21:50:11,673 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-12-05 21:50:11,673 INFO L158 Benchmark]: Toolchain (without parser) took 858.46ms. Allocated memory is still 142.6MB. Free memory was 117.6MB in the beginning and 78.5MB in the end (delta: 39.2MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. [2024-12-05 21:50:11,674 INFO L158 Benchmark]: CDTParser took 0.33ms. Allocated memory is still 142.6MB. Free memory is still 83.4MB. There was no memory consumed. Max. memory is 16.1GB. [2024-12-05 21:50:11,674 INFO L158 Benchmark]: CACSL2BoogieTranslator took 218.57ms. Allocated memory is still 142.6MB. Free memory was 117.4MB in the beginning and 106.9MB in the end (delta: 10.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-05 21:50:11,674 INFO L158 Benchmark]: Boogie Procedure Inliner took 31.17ms. Allocated memory is still 142.6MB. Free memory was 106.6MB in the beginning and 105.5MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-05 21:50:11,675 INFO L158 Benchmark]: Boogie Preprocessor took 20.45ms. Allocated memory is still 142.6MB. Free memory was 105.5MB in the beginning and 104.9MB in the end (delta: 604.6kB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-05 21:50:11,675 INFO L158 Benchmark]: RCFGBuilder took 265.27ms. Allocated memory is still 142.6MB. Free memory was 104.9MB in the beginning and 93.7MB in the end (delta: 11.3MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-12-05 21:50:11,675 INFO L158 Benchmark]: CodeCheck took 254.61ms. Allocated memory is still 142.6MB. Free memory was 93.4MB in the beginning and 82.3MB in the end (delta: 11.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-05 21:50:11,676 INFO L158 Benchmark]: Witness Printer took 63.58ms. Allocated memory is still 142.6MB. Free memory was 82.3MB in the beginning and 78.5MB in the end (delta: 3.9MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-05 21:50:11,678 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, 6 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 0.2s, OverallIterations: 1, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: 0 DeclaredPredicates, 0 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 3 NumberOfCodeBlocks, 3 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 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, ConComCheckerStatistics: No data available - CounterExampleResult [Line: 26]: a call to reach_error is reachable a call to reach_error is reachable We found a FailurePath: [L5-L7] struct dummy { int a, b; } global = {0, 1}; [L16] struct dummy *pd = &global; [L18] CALL assign(&pd->b, &pd->b) [L11] EXPR \read(*pb) [L11] *pa = *pb [L18] RET assign(&pd->b, &pd->b) [L20] EXPR pd->a [L20] EXPR global.b VAL [global={4:0}] [L20] COND TRUE pd->a != global.b [L26] reach_error() VAL [global={4:0}] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.33ms. Allocated memory is still 142.6MB. Free memory is still 83.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 218.57ms. Allocated memory is still 142.6MB. Free memory was 117.4MB in the beginning and 106.9MB in the end (delta: 10.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 31.17ms. Allocated memory is still 142.6MB. Free memory was 106.6MB in the beginning and 105.5MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 20.45ms. Allocated memory is still 142.6MB. Free memory was 105.5MB in the beginning and 104.9MB in the end (delta: 604.6kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 265.27ms. Allocated memory is still 142.6MB. Free memory was 104.9MB in the beginning and 93.7MB in the end (delta: 11.3MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 254.61ms. Allocated memory is still 142.6MB. Free memory was 93.4MB in the beginning and 82.3MB in the end (delta: 11.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Witness Printer took 63.58ms. Allocated memory is still 142.6MB. Free memory was 82.3MB in the beginning and 78.5MB in the end (delta: 3.9MB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be incorrect! [2024-12-05 21:50:11,692 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5824837-7666-4126-851f-a9ccd89931a5/bin/ukojak-verify-CZk0znPC7b/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