./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/combinations/pc_sfifo_1.cil-1+token_ring.04.cil-1.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_6240f324-3006-4c74-865c-c442159346e1/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6240f324-3006-4c74-865c-c442159346e1/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_6240f324-3006-4c74-865c-c442159346e1/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6240f324-3006-4c74-865c-c442159346e1/bin/ukojak-verify-CZk0znPC7b/config/KojakReach.xml -i ../../sv-benchmarks/c/combinations/pc_sfifo_1.cil-1+token_ring.04.cil-1.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6240f324-3006-4c74-865c-c442159346e1/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_6240f324-3006-4c74-865c-c442159346e1/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 7aa7bd07197bec95559c5698226af90cd1b90ff400e8df11e207de02b1c5b2da --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-06 06:17:19,809 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-06 06:17:19,863 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6240f324-3006-4c74-865c-c442159346e1/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-32bit-Kojak_Default.epf [2024-12-06 06:17:19,867 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-06 06:17:19,867 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-12-06 06:17:19,886 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-06 06:17:19,887 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-06 06:17:19,887 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-12-06 06:17:19,888 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-06 06:17:19,888 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-06 06:17:19,888 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-06 06:17:19,888 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-06 06:17:19,888 INFO L153 SettingsManager]: * sizeof long=4 [2024-12-06 06:17:19,888 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-12-06 06:17:19,888 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-12-06 06:17:19,889 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-06 06:17:19,889 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-06 06:17:19,889 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-06 06:17:19,889 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-06 06:17:19,889 INFO L153 SettingsManager]: * sizeof long double=12 [2024-12-06 06:17:19,889 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-06 06:17:19,889 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-06 06:17:19,889 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-06 06:17:19,889 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-06 06:17:19,889 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-06 06:17:19,890 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-06 06:17:19,890 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-06 06:17:19,890 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 06:17:19,890 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-06 06:17:19,890 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-06 06:17:19,890 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-06 06:17:19,890 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-12-06 06:17:19,890 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-12-06 06:17:19,890 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_6240f324-3006-4c74-865c-c442159346e1/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 -> 7aa7bd07197bec95559c5698226af90cd1b90ff400e8df11e207de02b1c5b2da [2024-12-06 06:17:20,100 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-06 06:17:20,108 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-06 06:17:20,110 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-06 06:17:20,111 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-06 06:17:20,112 INFO L274 PluginConnector]: CDTParser initialized [2024-12-06 06:17:20,113 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6240f324-3006-4c74-865c-c442159346e1/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/combinations/pc_sfifo_1.cil-1+token_ring.04.cil-1.c [2024-12-06 06:17:22,772 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6240f324-3006-4c74-865c-c442159346e1/bin/ukojak-verify-CZk0znPC7b/data/11af56481/53089bf6e0804b3c85cea9201cd3d8e8/FLAGc456604f5 [2024-12-06 06:17:22,977 INFO L384 CDTParser]: Found 1 translation units. [2024-12-06 06:17:22,978 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6240f324-3006-4c74-865c-c442159346e1/sv-benchmarks/c/combinations/pc_sfifo_1.cil-1+token_ring.04.cil-1.c [2024-12-06 06:17:22,989 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6240f324-3006-4c74-865c-c442159346e1/bin/ukojak-verify-CZk0znPC7b/data/11af56481/53089bf6e0804b3c85cea9201cd3d8e8/FLAGc456604f5 [2024-12-06 06:17:23,333 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6240f324-3006-4c74-865c-c442159346e1/bin/ukojak-verify-CZk0znPC7b/data/11af56481/53089bf6e0804b3c85cea9201cd3d8e8 [2024-12-06 06:17:23,334 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-06 06:17:23,336 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-06 06:17:23,337 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-06 06:17:23,337 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-06 06:17:23,340 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-06 06:17:23,340 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 06:17:23" (1/1) ... [2024-12-06 06:17:23,341 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@74a63d79 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:17:23, skipping insertion in model container [2024-12-06 06:17:23,341 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 06:17:23" (1/1) ... [2024-12-06 06:17:23,366 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-06 06:17:23,473 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_6240f324-3006-4c74-865c-c442159346e1/sv-benchmarks/c/combinations/pc_sfifo_1.cil-1+token_ring.04.cil-1.c[913,926] [2024-12-06 06:17:23,514 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_6240f324-3006-4c74-865c-c442159346e1/sv-benchmarks/c/combinations/pc_sfifo_1.cil-1+token_ring.04.cil-1.c[5994,6007] [2024-12-06 06:17:23,564 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 06:17:23,573 INFO L200 MainTranslator]: Completed pre-run [2024-12-06 06:17:23,581 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_6240f324-3006-4c74-865c-c442159346e1/sv-benchmarks/c/combinations/pc_sfifo_1.cil-1+token_ring.04.cil-1.c[913,926] [2024-12-06 06:17:23,596 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_6240f324-3006-4c74-865c-c442159346e1/sv-benchmarks/c/combinations/pc_sfifo_1.cil-1+token_ring.04.cil-1.c[5994,6007] [2024-12-06 06:17:23,624 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 06:17:23,641 INFO L204 MainTranslator]: Completed translation [2024-12-06 06:17:23,641 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:17:23 WrapperNode [2024-12-06 06:17:23,642 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-06 06:17:23,642 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-06 06:17:23,642 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-06 06:17:23,642 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-06 06:17:23,647 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:17:23" (1/1) ... [2024-12-06 06:17:23,655 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:17:23" (1/1) ... [2024-12-06 06:17:23,687 INFO L138 Inliner]: procedures = 56, calls = 61, calls flagged for inlining = 31, calls inlined = 31, statements flattened = 593 [2024-12-06 06:17:23,687 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-06 06:17:23,688 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-06 06:17:23,688 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-06 06:17:23,688 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-06 06:17:23,695 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:17:23" (1/1) ... [2024-12-06 06:17:23,695 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:17:23" (1/1) ... [2024-12-06 06:17:23,698 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:17:23" (1/1) ... [2024-12-06 06:17:23,698 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:17:23" (1/1) ... [2024-12-06 06:17:23,707 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:17:23" (1/1) ... [2024-12-06 06:17:23,708 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:17:23" (1/1) ... [2024-12-06 06:17:23,717 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:17:23" (1/1) ... [2024-12-06 06:17:23,719 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:17:23" (1/1) ... [2024-12-06 06:17:23,720 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:17:23" (1/1) ... [2024-12-06 06:17:23,724 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-06 06:17:23,725 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-06 06:17:23,725 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-06 06:17:23,725 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-06 06:17:23,726 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:17:23" (1/1) ... [2024-12-06 06:17:23,732 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 06:17:23,741 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6240f324-3006-4c74-865c-c442159346e1/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-06 06:17:23,750 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6240f324-3006-4c74-865c-c442159346e1/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-06 06:17:23,752 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6240f324-3006-4c74-865c-c442159346e1/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-06 06:17:23,771 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-06 06:17:23,771 INFO L130 BoogieDeclarations]: Found specification of procedure immediate_notify [2024-12-06 06:17:23,771 INFO L138 BoogieDeclarations]: Found implementation of procedure immediate_notify [2024-12-06 06:17:23,771 INFO L130 BoogieDeclarations]: Found specification of procedure immediate_notify_threads [2024-12-06 06:17:23,771 INFO L138 BoogieDeclarations]: Found implementation of procedure immediate_notify_threads [2024-12-06 06:17:23,772 INFO L130 BoogieDeclarations]: Found specification of procedure exists_runnable_thread1 [2024-12-06 06:17:23,772 INFO L138 BoogieDeclarations]: Found implementation of procedure exists_runnable_thread1 [2024-12-06 06:17:23,772 INFO L130 BoogieDeclarations]: Found specification of procedure exists_runnable_thread2 [2024-12-06 06:17:23,772 INFO L138 BoogieDeclarations]: Found implementation of procedure exists_runnable_thread2 [2024-12-06 06:17:23,772 INFO L130 BoogieDeclarations]: Found specification of procedure reset_delta_events2 [2024-12-06 06:17:23,772 INFO L138 BoogieDeclarations]: Found implementation of procedure reset_delta_events2 [2024-12-06 06:17:23,772 INFO L130 BoogieDeclarations]: Found specification of procedure activate_threads2 [2024-12-06 06:17:23,772 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_threads2 [2024-12-06 06:17:23,772 INFO L130 BoogieDeclarations]: Found specification of procedure update_channels2 [2024-12-06 06:17:23,772 INFO L138 BoogieDeclarations]: Found implementation of procedure update_channels2 [2024-12-06 06:17:23,772 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-12-06 06:17:23,772 INFO L130 BoogieDeclarations]: Found specification of procedure fire_delta_events2 [2024-12-06 06:17:23,772 INFO L138 BoogieDeclarations]: Found implementation of procedure fire_delta_events2 [2024-12-06 06:17:23,772 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-06 06:17:23,772 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-06 06:17:23,773 INFO L130 BoogieDeclarations]: Found specification of procedure error1 [2024-12-06 06:17:23,773 INFO L138 BoogieDeclarations]: Found implementation of procedure error1 [2024-12-06 06:17:23,857 INFO L234 CfgBuilder]: Building ICFG [2024-12-06 06:17:23,859 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-06 06:17:24,348 INFO L? ?]: Removed 79 outVars from TransFormulas that were not future-live. [2024-12-06 06:17:24,349 INFO L283 CfgBuilder]: Performing block encoding [2024-12-06 06:17:24,593 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-06 06:17:24,594 INFO L312 CfgBuilder]: Removed 22 assume(true) statements. [2024-12-06 06:17:24,594 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 06:17:24 BoogieIcfgContainer [2024-12-06 06:17:24,594 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-06 06:17:24,595 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-12-06 06:17:24,595 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-12-06 06:17:24,605 INFO L274 PluginConnector]: CodeCheck initialized [2024-12-06 06:17:24,605 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 06:17:24" (1/1) ... [2024-12-06 06:17:24,612 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-06 06:17:24,653 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 06:17:24,663 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 224 states to 151 states and 224 transitions. [2024-12-06 06:17:24,664 INFO L276 IsEmpty]: Start isEmpty. Operand 151 states and 224 transitions. [2024-12-06 06:17:24,668 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-12-06 06:17:24,668 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 06:17:24,668 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 06:17:24,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 06:17:24,763 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-06 06:17:24,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 06:17:24,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 06:17:24,853 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-06 06:17:24,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 06:17:24,900 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2024-12-06 06:17:24,934 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 06.12 06:17:24 ImpRootNode [2024-12-06 06:17:24,934 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-12-06 06:17:24,935 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-12-06 06:17:24,935 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-12-06 06:17:24,935 INFO L274 PluginConnector]: Witness Printer initialized [2024-12-06 06:17:24,936 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 06:17:24" (3/4) ... [2024-12-06 06:17:24,936 INFO L140 WitnessPrinter]: Generating witness for reachability counterexample [2024-12-06 06:17:25,003 INFO L129 tionWitnessGenerator]: Generated YAML witness of length 18. [2024-12-06 06:17:25,055 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6240f324-3006-4c74-865c-c442159346e1/bin/ukojak-verify-CZk0znPC7b/witness.graphml [2024-12-06 06:17:25,056 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6240f324-3006-4c74-865c-c442159346e1/bin/ukojak-verify-CZk0znPC7b/witness.yml [2024-12-06 06:17:25,056 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-12-06 06:17:25,057 INFO L158 Benchmark]: Toolchain (without parser) took 1721.07ms. Allocated memory is still 142.6MB. Free memory was 117.2MB in the beginning and 108.4MB in the end (delta: 8.8MB). Peak memory consumption was 76.1MB. Max. memory is 16.1GB. [2024-12-06 06:17:25,057 INFO L158 Benchmark]: CDTParser took 0.37ms. Allocated memory is still 142.6MB. Free memory is still 83.0MB. There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 06:17:25,057 INFO L158 Benchmark]: CACSL2BoogieTranslator took 305.26ms. Allocated memory is still 142.6MB. Free memory was 117.0MB in the beginning and 98.8MB in the end (delta: 18.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-06 06:17:25,057 INFO L158 Benchmark]: Boogie Procedure Inliner took 44.77ms. Allocated memory is still 142.6MB. Free memory was 98.8MB in the beginning and 95.9MB in the end (delta: 2.8MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 06:17:25,058 INFO L158 Benchmark]: Boogie Preprocessor took 36.58ms. Allocated memory is still 142.6MB. Free memory was 95.9MB in the beginning and 93.4MB in the end (delta: 2.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-06 06:17:25,058 INFO L158 Benchmark]: RCFGBuilder took 869.21ms. Allocated memory is still 142.6MB. Free memory was 93.4MB in the beginning and 71.5MB in the end (delta: 21.9MB). Peak memory consumption was 47.6MB. Max. memory is 16.1GB. [2024-12-06 06:17:25,058 INFO L158 Benchmark]: CodeCheck took 339.09ms. Allocated memory is still 142.6MB. Free memory was 71.5MB in the beginning and 51.5MB in the end (delta: 20.0MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-12-06 06:17:25,059 INFO L158 Benchmark]: Witness Printer took 121.14ms. Allocated memory is still 142.6MB. Free memory was 51.5MB in the beginning and 108.4MB in the end (delta: -56.9MB). Peak memory consumption was 11.8MB. Max. memory is 16.1GB. [2024-12-06 06:17:25,060 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 10 procedures, 151 locations, 2 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, ConComCheckerStatistics: No data available - CounterExampleResult [Line: 27]: a call to reach_error is reachable a call to reach_error is reachable We found a FailurePath: [L32] int q_buf_0 ; [L33] int q_free ; [L34] int q_read_ev ; [L35] int q_write_ev ; [L36] int p_num_write ; [L37] int p_last_write ; [L38] int p_dw_st ; [L39] int p_dw_pc ; [L40] int p_dw_i ; [L41] int c_num_read ; [L42] int c_last_read ; [L43] int c_dr_st ; [L44] int c_dr_pc ; [L45] int c_dr_i ; [L152] static int a_t ; [L394] int m_pc = 0; [L395] int t1_pc = 0; [L396] int t2_pc = 0; [L397] int t3_pc = 0; [L398] int t4_pc = 0; [L399] int m_st ; [L400] int t1_st ; [L401] int t2_st ; [L402] int t3_st ; [L403] int t4_st ; [L404] int m_i ; [L405] int t1_i ; [L406] int t2_i ; [L407] int t3_i ; [L408] int t4_i ; [L409] int M_E = 2; [L410] int T1_E = 2; [L411] int T2_E = 2; [L412] int T3_E = 2; [L413] int T4_E = 2; [L414] int E_M = 2; [L415] int E_1 = 2; [L416] int E_2 = 2; [L417] int E_3 = 2; [L418] int E_4 = 2; [L425] int token ; [L427] int local ; [L1231] COND TRUE __VERIFIER_nondet_int() [L1232] CALL main1() [L368] int __retres1 ; [L372] CALL init_model1() [L354] q_free = 1 [L355] q_write_ev = 2 [L356] q_read_ev = q_write_ev [L357] p_num_write = 0 [L358] p_dw_pc = 0 [L359] p_dw_i = 1 [L360] c_num_read = 0 [L361] c_dr_pc = 0 [L362] c_dr_i = 1 [L372] RET init_model1() [L373] CALL start_simulation1() [L322] int kernel_st ; [L323] int tmp ; [L327] kernel_st = 0 [L328] CALL init_threads1() [L214] COND TRUE (int )p_dw_i == 1 [L215] p_dw_st = 0 [L219] COND TRUE (int )c_dr_i == 1 [L220] c_dr_st = 0 [L328] RET init_threads1() [L334] kernel_st = 1 [L335] CALL eval1() [L249] int tmp ; [L250] int tmp___0 ; [L251] int tmp___1 ; VAL [E_1=2, E_2=2, E_3=2, E_4=2, E_M=2, M_E=2, T1_E=2, T2_E=2, T3_E=2, T4_E=2, a_t=0, c_dr_i=1, c_dr_pc=0, c_dr_st=0, c_last_read=0, c_num_read=0, local=0, m_i=0, m_pc=0, m_st=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, t1_i=0, t1_pc=0, t1_st=0, t2_i=0, t2_pc=0, t2_st=0, t3_i=0, t3_pc=0, t3_st=0, t4_i=0, t4_pc=0, t4_st=0, token=0] [L258] CALL, EXPR exists_runnable_thread1() VAL [E_1=2, E_2=2, E_3=2, E_4=2, E_M=2, M_E=2, T1_E=2, T2_E=2, T3_E=2, T4_E=2, a_t=0, c_dr_i=1, c_dr_pc=0, c_dr_st=0, c_last_read=0, c_num_read=0, local=0, m_i=0, m_pc=0, m_st=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, t1_i=0, t1_pc=0, t1_st=0, t2_i=0, t2_pc=0, t2_st=0, t3_i=0, t3_pc=0, t3_st=0, t4_i=0, t4_pc=0, t4_st=0, token=0] [L229] int __retres1 ; [L232] COND TRUE (int )p_dw_st == 0 [L233] __retres1 = 1 [L245] return (__retres1); [L258] RET, EXPR exists_runnable_thread1() VAL [E_1=2, E_2=2, E_3=2, E_4=2, E_M=2, M_E=2, T1_E=2, T2_E=2, T3_E=2, T4_E=2, a_t=0, c_dr_i=1, c_dr_pc=0, c_dr_st=0, c_last_read=0, c_num_read=0, local=0, m_i=0, m_pc=0, m_st=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, t1_i=0, t1_pc=0, t1_st=0, t2_i=0, t2_pc=0, t2_st=0, t3_i=0, t3_pc=0, t3_st=0, t4_i=0, t4_pc=0, t4_st=0, token=0] [L258] tmp___1 = exists_runnable_thread1() [L260] COND TRUE \read(tmp___1) VAL [E_1=2, E_2=2, E_3=2, E_4=2, E_M=2, M_E=2, T1_E=2, T2_E=2, T3_E=2, T4_E=2, a_t=0, c_dr_i=1, c_dr_pc=0, c_dr_st=0, c_last_read=0, c_num_read=0, local=0, m_i=0, m_pc=0, m_st=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, t1_i=0, t1_pc=0, t1_st=0, t2_i=0, t2_pc=0, t2_st=0, t3_i=0, t3_pc=0, t3_st=0, t4_i=0, t4_pc=0, t4_st=0, token=0] [L265] COND TRUE (int )p_dw_st == 0 [L267] tmp = __VERIFIER_nondet_int() [L269] COND FALSE !(\read(tmp)) VAL [E_1=2, E_2=2, E_3=2, E_4=2, E_M=2, M_E=2, T1_E=2, T2_E=2, T3_E=2, T4_E=2, a_t=0, c_dr_i=1, c_dr_pc=0, c_dr_st=0, c_last_read=0, c_num_read=0, local=0, m_i=0, m_pc=0, m_st=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, t1_i=0, t1_pc=0, t1_st=0, t2_i=0, t2_pc=0, t2_st=0, t3_i=0, t3_pc=0, t3_st=0, t4_i=0, t4_pc=0, t4_st=0, token=0] [L275] CALL error1() VAL [E_1=2, E_2=2, E_3=2, E_4=2, E_M=2, M_E=2, T1_E=2, T2_E=2, T3_E=2, T4_E=2, a_t=0, c_dr_i=1, c_dr_pc=0, c_dr_st=0, c_last_read=0, c_num_read=0, local=0, m_i=0, m_pc=0, m_st=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, t1_i=0, t1_pc=0, t1_st=0, t2_i=0, t2_pc=0, t2_st=0, t3_i=0, t3_pc=0, t3_st=0, t4_i=0, t4_pc=0, t4_st=0, token=0] [L27] reach_error() VAL [E_1=2, E_2=2, E_3=2, E_4=2, E_M=2, M_E=2, T1_E=2, T2_E=2, T3_E=2, T4_E=2, a_t=0, c_dr_i=1, c_dr_pc=0, c_dr_st=0, c_last_read=0, c_num_read=0, local=0, m_i=0, m_pc=0, m_st=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, t1_i=0, t1_pc=0, t1_st=0, t2_i=0, t2_pc=0, t2_st=0, t3_i=0, t3_pc=0, t3_st=0, t4_i=0, t4_pc=0, t4_st=0, token=0] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.37ms. Allocated memory is still 142.6MB. Free memory is still 83.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 305.26ms. Allocated memory is still 142.6MB. Free memory was 117.0MB in the beginning and 98.8MB in the end (delta: 18.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 44.77ms. Allocated memory is still 142.6MB. Free memory was 98.8MB in the beginning and 95.9MB in the end (delta: 2.8MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 36.58ms. Allocated memory is still 142.6MB. Free memory was 95.9MB in the beginning and 93.4MB in the end (delta: 2.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * RCFGBuilder took 869.21ms. Allocated memory is still 142.6MB. Free memory was 93.4MB in the beginning and 71.5MB in the end (delta: 21.9MB). Peak memory consumption was 47.6MB. Max. memory is 16.1GB. * CodeCheck took 339.09ms. Allocated memory is still 142.6MB. Free memory was 71.5MB in the beginning and 51.5MB in the end (delta: 20.0MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Witness Printer took 121.14ms. Allocated memory is still 142.6MB. Free memory was 51.5MB in the beginning and 108.4MB in the end (delta: -56.9MB). Peak memory consumption was 11.8MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be incorrect! [2024-12-06 06:17:25,078 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6240f324-3006-4c74-865c-c442159346e1/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