./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/systemc/pc_sfifo_1.cil-1.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_06ffe3ad-fea2-4481-bbb7-f3fd0f710949/bin/ukojak-verify-EEHR8qb7sm/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06ffe3ad-fea2-4481-bbb7-f3fd0f710949/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_06ffe3ad-fea2-4481-bbb7-f3fd0f710949/bin/ukojak-verify-EEHR8qb7sm/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06ffe3ad-fea2-4481-bbb7-f3fd0f710949/bin/ukojak-verify-EEHR8qb7sm/config/KojakReach.xml -i ../../sv-benchmarks/c/systemc/pc_sfifo_1.cil-1.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06ffe3ad-fea2-4481-bbb7-f3fd0f710949/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_06ffe3ad-fea2-4481-bbb7-f3fd0f710949/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 c74d959057dcef9924c2fba34a5baac5be90cef6ad1eac335d6f9d2397fc60bb --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 16:48:45,648 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 16:48:45,719 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06ffe3ad-fea2-4481-bbb7-f3fd0f710949/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Reach-32bit-Kojak_Default.epf [2024-11-13 16:48:45,728 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-13 16:48:45,728 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-13 16:48:45,764 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 16:48:45,765 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 16:48:45,765 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-13 16:48:45,765 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 16:48:45,766 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 16:48:45,768 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 16:48:45,768 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 16:48:45,768 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-13 16:48:45,769 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-13 16:48:45,770 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-13 16:48:45,770 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 16:48:45,770 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 16:48:45,770 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 16:48:45,770 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 16:48:45,770 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 16:48:45,770 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-13 16:48:45,770 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 16:48:45,770 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 16:48:45,771 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-13 16:48:45,771 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-13 16:48:45,771 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-13 16:48:45,771 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 16:48:45,771 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 16:48:45,771 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 16:48:45,771 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 16:48:45,771 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 16:48:45,771 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-13 16:48:45,771 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-13 16:48:45,771 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_06ffe3ad-fea2-4481-bbb7-f3fd0f710949/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 -> c74d959057dcef9924c2fba34a5baac5be90cef6ad1eac335d6f9d2397fc60bb [2024-11-13 16:48:46,078 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 16:48:46,087 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 16:48:46,089 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 16:48:46,090 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 16:48:46,091 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 16:48:46,092 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06ffe3ad-fea2-4481-bbb7-f3fd0f710949/bin/ukojak-verify-EEHR8qb7sm/../../sv-benchmarks/c/systemc/pc_sfifo_1.cil-1.c Unable to find full path for "g++" [2024-11-13 16:48:47,956 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 16:48:48,209 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 16:48:48,213 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06ffe3ad-fea2-4481-bbb7-f3fd0f710949/sv-benchmarks/c/systemc/pc_sfifo_1.cil-1.c [2024-11-13 16:48:48,225 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06ffe3ad-fea2-4481-bbb7-f3fd0f710949/bin/ukojak-verify-EEHR8qb7sm/data/3d05f1362/370e1716b23e4c9a8f7f7214f7ca4a3e/FLAGca129760c [2024-11-13 16:48:48,258 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06ffe3ad-fea2-4481-bbb7-f3fd0f710949/bin/ukojak-verify-EEHR8qb7sm/data/3d05f1362/370e1716b23e4c9a8f7f7214f7ca4a3e [2024-11-13 16:48:48,260 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 16:48:48,262 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 16:48:48,263 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 16:48:48,264 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 16:48:48,268 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 16:48:48,269 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 04:48:48" (1/1) ... [2024-11-13 16:48:48,270 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@39135a39 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:48:48, skipping insertion in model container [2024-11-13 16:48:48,271 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 04:48:48" (1/1) ... [2024-11-13 16:48:48,291 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 16:48:48,436 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06ffe3ad-fea2-4481-bbb7-f3fd0f710949/sv-benchmarks/c/systemc/pc_sfifo_1.cil-1.c[642,655] [2024-11-13 16:48:48,508 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 16:48:48,521 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 16:48:48,535 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_06ffe3ad-fea2-4481-bbb7-f3fd0f710949/sv-benchmarks/c/systemc/pc_sfifo_1.cil-1.c[642,655] [2024-11-13 16:48:48,568 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 16:48:48,586 INFO L204 MainTranslator]: Completed translation [2024-11-13 16:48:48,586 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:48:48 WrapperNode [2024-11-13 16:48:48,586 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 16:48:48,587 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 16:48:48,587 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 16:48:48,587 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 16:48:48,594 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:48:48" (1/1) ... [2024-11-13 16:48:48,601 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:48:48" (1/1) ... [2024-11-13 16:48:48,622 INFO L138 Inliner]: procedures = 24, calls = 23, calls flagged for inlining = 11, calls inlined = 11, statements flattened = 201 [2024-11-13 16:48:48,622 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 16:48:48,623 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 16:48:48,623 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 16:48:48,623 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 16:48:48,631 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:48:48" (1/1) ... [2024-11-13 16:48:48,631 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:48:48" (1/1) ... [2024-11-13 16:48:48,633 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:48:48" (1/1) ... [2024-11-13 16:48:48,633 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:48:48" (1/1) ... [2024-11-13 16:48:48,638 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:48:48" (1/1) ... [2024-11-13 16:48:48,642 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:48:48" (1/1) ... [2024-11-13 16:48:48,644 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:48:48" (1/1) ... [2024-11-13 16:48:48,645 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:48:48" (1/1) ... [2024-11-13 16:48:48,647 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 16:48:48,648 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 16:48:48,648 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 16:48:48,648 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 16:48:48,649 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:48:48" (1/1) ... [2024-11-13 16:48:48,654 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 16:48:48,675 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06ffe3ad-fea2-4481-bbb7-f3fd0f710949/bin/ukojak-verify-EEHR8qb7sm/z3 [2024-11-13 16:48:48,687 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06ffe3ad-fea2-4481-bbb7-f3fd0f710949/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-13 16:48:48,695 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06ffe3ad-fea2-4481-bbb7-f3fd0f710949/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-13 16:48:48,717 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 16:48:48,717 INFO L130 BoogieDeclarations]: Found specification of procedure exists_runnable_thread [2024-11-13 16:48:48,717 INFO L138 BoogieDeclarations]: Found implementation of procedure exists_runnable_thread [2024-11-13 16:48:48,717 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-13 16:48:48,718 INFO L130 BoogieDeclarations]: Found specification of procedure error [2024-11-13 16:48:48,718 INFO L138 BoogieDeclarations]: Found implementation of procedure error [2024-11-13 16:48:48,718 INFO L130 BoogieDeclarations]: Found specification of procedure immediate_notify_threads [2024-11-13 16:48:48,718 INFO L138 BoogieDeclarations]: Found implementation of procedure immediate_notify_threads [2024-11-13 16:48:48,718 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 16:48:48,718 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 16:48:48,808 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 16:48:48,810 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 16:48:49,074 INFO L? ?]: Removed 28 outVars from TransFormulas that were not future-live. [2024-11-13 16:48:49,075 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 16:48:49,216 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 16:48:49,217 INFO L316 CfgBuilder]: Removed 4 assume(true) statements. [2024-11-13 16:48:49,218 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 04:48:49 BoogieIcfgContainer [2024-11-13 16:48:49,218 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 16:48:49,219 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-13 16:48:49,219 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-13 16:48:49,230 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-13 16:48:49,230 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 04:48:49" (1/1) ... [2024-11-13 16:48:49,241 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 16:48:49,301 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 16:48:49,312 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 52 states and 77 transitions. [2024-11-13 16:48:49,313 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 77 transitions. [2024-11-13 16:48:49,319 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-13 16:48:49,319 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 16:48:49,320 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 16:48:49,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 16:48:49,420 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 16:48:49,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 16:48:49,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 16:48:49,536 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 16:48:49,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 16:48:49,578 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2024-11-13 16:48:49,610 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 13.11 04:48:49 ImpRootNode [2024-11-13 16:48:49,610 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-13 16:48:49,611 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-13 16:48:49,611 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-13 16:48:49,612 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-13 16:48:49,612 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 04:48:49" (3/4) ... [2024-11-13 16:48:49,613 INFO L136 WitnessPrinter]: Generating witness for reachability counterexample [2024-11-13 16:48:49,659 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06ffe3ad-fea2-4481-bbb7-f3fd0f710949/bin/ukojak-verify-EEHR8qb7sm/witness.graphml [2024-11-13 16:48:49,660 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-13 16:48:49,664 INFO L158 Benchmark]: Toolchain (without parser) took 1399.03ms. Allocated memory is still 117.4MB. Free memory was 93.8MB in the beginning and 37.8MB in the end (delta: 56.0MB). Peak memory consumption was 41.9MB. Max. memory is 16.1GB. [2024-11-13 16:48:49,666 INFO L158 Benchmark]: CDTParser took 0.36ms. Allocated memory is still 167.8MB. Free memory is still 103.9MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 16:48:49,667 INFO L158 Benchmark]: CACSL2BoogieTranslator took 323.17ms. Allocated memory is still 117.4MB. Free memory was 93.8MB in the beginning and 81.1MB in the end (delta: 12.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 16:48:49,667 INFO L158 Benchmark]: Boogie Procedure Inliner took 35.58ms. Allocated memory is still 117.4MB. Free memory was 81.1MB in the beginning and 79.7MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 16:48:49,668 INFO L158 Benchmark]: Boogie Preprocessor took 24.04ms. Allocated memory is still 117.4MB. Free memory was 79.7MB in the beginning and 78.4MB in the end (delta: 1.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 16:48:49,668 INFO L158 Benchmark]: RCFGBuilder took 570.68ms. Allocated memory is still 117.4MB. Free memory was 78.4MB in the beginning and 55.1MB in the end (delta: 23.3MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-13 16:48:49,668 INFO L158 Benchmark]: CodeCheck took 391.52ms. Allocated memory is still 117.4MB. Free memory was 55.1MB in the beginning and 40.5MB in the end (delta: 14.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 16:48:49,668 INFO L158 Benchmark]: Witness Printer took 48.71ms. Allocated memory is still 117.4MB. Free memory was 40.5MB in the beginning and 37.8MB in the end (delta: 2.7MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 16:48:49,671 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 4 procedures, 52 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 0.3s, 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, 12 NumberOfCodeBlocks, 12 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 - CounterExampleResult [Line: 19]: a call to reach_error is reachable a call to reach_error is reachable We found a FailurePath: [L24] int q_buf_0 ; [L25] int q_free ; [L26] int q_read_ev ; [L27] int q_write_ev ; [L28] int p_num_write ; [L29] int p_last_write ; [L30] int p_dw_st ; [L31] int p_dw_pc ; [L32] int p_dw_i ; [L33] int c_num_read ; [L34] int c_last_read ; [L35] int c_dr_st ; [L36] int c_dr_pc ; [L37] int c_dr_i ; [L144] static int a_t ; [L360] int __retres1 ; [L364] CALL init_model() [L346] q_free = 1 [L347] q_write_ev = 2 [L348] q_read_ev = q_write_ev [L349] p_num_write = 0 [L350] p_dw_pc = 0 [L351] p_dw_i = 1 [L352] c_num_read = 0 [L353] c_dr_pc = 0 [L354] c_dr_i = 1 [L364] RET init_model() [L365] CALL start_simulation() [L314] int kernel_st ; [L315] int tmp ; [L319] kernel_st = 0 [L320] CALL init_threads() [L206] COND TRUE (int )p_dw_i == 1 [L207] p_dw_st = 0 [L211] COND TRUE (int )c_dr_i == 1 [L212] c_dr_st = 0 [L320] RET init_threads() [L323] COND TRUE 1 [L326] kernel_st = 1 [L327] CALL eval() [L241] int tmp ; [L242] int tmp___0 ; [L243] int tmp___1 ; VAL [a_t=0, c_dr_i=1, c_dr_pc=0, c_dr_st=0, c_last_read=0, c_num_read=0, p_dw_i=1, p_dw_pc=0, p_dw_st=0, p_last_write=0, p_num_write=0, q_buf_0=0, q_free=1, q_read_ev=2, q_write_ev=2] [L247] COND TRUE 1 VAL [a_t=0, c_dr_i=1, c_dr_pc=0, c_dr_st=0, c_last_read=0, c_num_read=0, p_dw_i=1, p_dw_pc=0, p_dw_st=0, p_last_write=0, p_num_write=0, q_buf_0=0, q_free=1, q_read_ev=2, q_write_ev=2] [L250] CALL, EXPR exists_runnable_thread() VAL [a_t=0, c_dr_i=1, c_dr_pc=0, c_dr_st=0, c_last_read=0, c_num_read=0, p_dw_i=1, p_dw_pc=0, p_dw_st=0, p_last_write=0, p_num_write=0, q_buf_0=0, q_free=1, q_read_ev=2, q_write_ev=2] [L221] int __retres1 ; [L224] COND TRUE (int )p_dw_st == 0 [L225] __retres1 = 1 [L237] return (__retres1); [L250] RET, EXPR exists_runnable_thread() VAL [a_t=0, c_dr_i=1, c_dr_pc=0, c_dr_st=0, c_last_read=0, c_num_read=0, p_dw_i=1, p_dw_pc=0, p_dw_st=0, p_last_write=0, p_num_write=0, q_buf_0=0, q_free=1, q_read_ev=2, q_write_ev=2] [L250] tmp___1 = exists_runnable_thread() [L252] COND TRUE \read(tmp___1) VAL [a_t=0, c_dr_i=1, c_dr_pc=0, c_dr_st=0, c_last_read=0, c_num_read=0, p_dw_i=1, p_dw_pc=0, p_dw_st=0, p_last_write=0, p_num_write=0, q_buf_0=0, q_free=1, q_read_ev=2, q_write_ev=2] [L257] COND TRUE (int )p_dw_st == 0 [L259] tmp = __VERIFIER_nondet_int() [L261] COND FALSE !(\read(tmp)) VAL [a_t=0, c_dr_i=1, c_dr_pc=0, c_dr_st=0, c_last_read=0, c_num_read=0, p_dw_i=1, p_dw_pc=0, p_dw_st=0, p_last_write=0, p_num_write=0, q_buf_0=0, q_free=1, q_read_ev=2, q_write_ev=2] [L267] CALL error() VAL [a_t=0, c_dr_i=1, c_dr_pc=0, c_dr_st=0, c_last_read=0, c_num_read=0, p_dw_i=1, p_dw_pc=0, p_dw_st=0, p_last_write=0, p_num_write=0, q_buf_0=0, q_free=1, q_read_ev=2, q_write_ev=2] [L19] reach_error() VAL [a_t=0, c_dr_i=1, c_dr_pc=0, c_dr_st=0, c_last_read=0, c_num_read=0, p_dw_i=1, p_dw_pc=0, p_dw_st=0, p_last_write=0, p_num_write=0, q_buf_0=0, q_free=1, q_read_ev=2, q_write_ev=2] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.36ms. Allocated memory is still 167.8MB. Free memory is still 103.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 323.17ms. Allocated memory is still 117.4MB. Free memory was 93.8MB in the beginning and 81.1MB in the end (delta: 12.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 35.58ms. Allocated memory is still 117.4MB. Free memory was 81.1MB in the beginning and 79.7MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 24.04ms. Allocated memory is still 117.4MB. Free memory was 79.7MB in the beginning and 78.4MB in the end (delta: 1.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * RCFGBuilder took 570.68ms. Allocated memory is still 117.4MB. Free memory was 78.4MB in the beginning and 55.1MB in the end (delta: 23.3MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 391.52ms. Allocated memory is still 117.4MB. Free memory was 55.1MB in the beginning and 40.5MB in the end (delta: 14.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Witness Printer took 48.71ms. Allocated memory is still 117.4MB. Free memory was 40.5MB in the beginning and 37.8MB in the end (delta: 2.7MB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be incorrect! [2024-11-13 16:48:49,715 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06ffe3ad-fea2-4481-bbb7-f3fd0f710949/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