./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/systemc/token_ring.01.cil-2.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version d790fecc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4a19bdd-0b7a-4267-9c22-4e1771d61aa6/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4a19bdd-0b7a-4267-9c22-4e1771d61aa6/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_f4a19bdd-0b7a-4267-9c22-4e1771d61aa6/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4a19bdd-0b7a-4267-9c22-4e1771d61aa6/bin/ukojak-verify-CZk0znPC7b/config/KojakReach.xml -i ../../sv-benchmarks/c/systemc/token_ring.01.cil-2.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4a19bdd-0b7a-4267-9c22-4e1771d61aa6/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Overflow-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4a19bdd-0b7a-4267-9c22-4e1771d61aa6/bin/ukojak-verify-CZk0znPC7b --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 327bb4ad7f981d20a6e5212aac300a9249d1857b0280531d57d587d5a0195c5f --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-06 02:55:11,365 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-06 02:55:11,422 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4a19bdd-0b7a-4267-9c22-4e1771d61aa6/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Overflow-32bit-Kojak_Default.epf [2024-12-06 02:55:11,426 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-06 02:55:11,427 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-12-06 02:55:11,447 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-06 02:55:11,448 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-06 02:55:11,448 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-12-06 02:55:11,448 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-06 02:55:11,448 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-06 02:55:11,449 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-06 02:55:11,449 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-06 02:55:11,449 INFO L153 SettingsManager]: * sizeof long=4 [2024-12-06 02:55:11,449 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-12-06 02:55:11,449 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-12-06 02:55:11,449 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-06 02:55:11,449 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-06 02:55:11,449 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-06 02:55:11,449 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-06 02:55:11,450 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-12-06 02:55:11,450 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-12-06 02:55:11,450 INFO L153 SettingsManager]: * sizeof long double=12 [2024-12-06 02:55:11,450 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-06 02:55:11,450 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-06 02:55:11,450 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-06 02:55:11,450 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-06 02:55:11,450 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-06 02:55:11,450 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-06 02:55:11,450 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-06 02:55:11,450 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 02:55:11,451 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-06 02:55:11,451 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-06 02:55:11,451 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-06 02:55:11,451 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-12-06 02:55:11,451 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-12-06 02:55:11,451 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_f4a19bdd-0b7a-4267-9c22-4e1771d61aa6/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 ! overflow) ) 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 -> 327bb4ad7f981d20a6e5212aac300a9249d1857b0280531d57d587d5a0195c5f [2024-12-06 02:55:11,690 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-06 02:55:11,698 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-06 02:55:11,700 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-06 02:55:11,701 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-06 02:55:11,702 INFO L274 PluginConnector]: CDTParser initialized [2024-12-06 02:55:11,703 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4a19bdd-0b7a-4267-9c22-4e1771d61aa6/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/systemc/token_ring.01.cil-2.c [2024-12-06 02:55:14,324 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4a19bdd-0b7a-4267-9c22-4e1771d61aa6/bin/ukojak-verify-CZk0znPC7b/data/6333152a1/aa63b0419bd34a8ca039e78afac52eb8/FLAG7b4ef17b9 [2024-12-06 02:55:14,529 INFO L384 CDTParser]: Found 1 translation units. [2024-12-06 02:55:14,529 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4a19bdd-0b7a-4267-9c22-4e1771d61aa6/sv-benchmarks/c/systemc/token_ring.01.cil-2.c [2024-12-06 02:55:14,538 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4a19bdd-0b7a-4267-9c22-4e1771d61aa6/bin/ukojak-verify-CZk0znPC7b/data/6333152a1/aa63b0419bd34a8ca039e78afac52eb8/FLAG7b4ef17b9 [2024-12-06 02:55:14,551 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4a19bdd-0b7a-4267-9c22-4e1771d61aa6/bin/ukojak-verify-CZk0znPC7b/data/6333152a1/aa63b0419bd34a8ca039e78afac52eb8 [2024-12-06 02:55:14,553 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-06 02:55:14,555 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-06 02:55:14,556 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-06 02:55:14,556 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-06 02:55:14,560 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-06 02:55:14,561 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 02:55:14" (1/1) ... [2024-12-06 02:55:14,561 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@304fbf39 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:55:14, skipping insertion in model container [2024-12-06 02:55:14,561 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 02:55:14" (1/1) ... [2024-12-06 02:55:14,580 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-06 02:55:14,747 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 02:55:14,756 INFO L200 MainTranslator]: Completed pre-run [2024-12-06 02:55:14,785 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 02:55:14,800 INFO L204 MainTranslator]: Completed translation [2024-12-06 02:55:14,800 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:55:14 WrapperNode [2024-12-06 02:55:14,800 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-06 02:55:14,801 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-06 02:55:14,801 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-06 02:55:14,801 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-06 02:55:14,807 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:55:14" (1/1) ... [2024-12-06 02:55:14,814 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:55:14" (1/1) ... [2024-12-06 02:55:14,835 INFO L138 Inliner]: procedures = 30, calls = 36, calls flagged for inlining = 14, calls inlined = 14, statements flattened = 230 [2024-12-06 02:55:14,835 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-06 02:55:14,836 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-06 02:55:14,836 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-06 02:55:14,836 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-06 02:55:14,843 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:55:14" (1/1) ... [2024-12-06 02:55:14,843 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:55:14" (1/1) ... [2024-12-06 02:55:14,845 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:55:14" (1/1) ... [2024-12-06 02:55:14,845 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:55:14" (1/1) ... [2024-12-06 02:55:14,849 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:55:14" (1/1) ... [2024-12-06 02:55:14,850 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:55:14" (1/1) ... [2024-12-06 02:55:14,855 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:55:14" (1/1) ... [2024-12-06 02:55:14,856 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:55:14" (1/1) ... [2024-12-06 02:55:14,857 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:55:14" (1/1) ... [2024-12-06 02:55:14,859 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-06 02:55:14,860 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-06 02:55:14,860 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-06 02:55:14,860 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-06 02:55:14,861 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:55:14" (1/1) ... [2024-12-06 02:55:14,866 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 02:55:14,876 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4a19bdd-0b7a-4267-9c22-4e1771d61aa6/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-06 02:55:14,889 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4a19bdd-0b7a-4267-9c22-4e1771d61aa6/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-06 02:55:14,893 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4a19bdd-0b7a-4267-9c22-4e1771d61aa6/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-06 02:55:14,916 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-06 02:55:14,916 INFO L130 BoogieDeclarations]: Found specification of procedure error [2024-12-06 02:55:14,917 INFO L138 BoogieDeclarations]: Found implementation of procedure error [2024-12-06 02:55:14,917 INFO L130 BoogieDeclarations]: Found specification of procedure fire_delta_events [2024-12-06 02:55:14,917 INFO L138 BoogieDeclarations]: Found implementation of procedure fire_delta_events [2024-12-06 02:55:14,917 INFO L130 BoogieDeclarations]: Found specification of procedure activate_threads [2024-12-06 02:55:14,917 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_threads [2024-12-06 02:55:14,917 INFO L130 BoogieDeclarations]: Found specification of procedure immediate_notify [2024-12-06 02:55:14,917 INFO L138 BoogieDeclarations]: Found implementation of procedure immediate_notify [2024-12-06 02:55:14,917 INFO L130 BoogieDeclarations]: Found specification of procedure exists_runnable_thread [2024-12-06 02:55:14,917 INFO L138 BoogieDeclarations]: Found implementation of procedure exists_runnable_thread [2024-12-06 02:55:14,917 INFO L130 BoogieDeclarations]: Found specification of procedure reset_delta_events [2024-12-06 02:55:14,917 INFO L138 BoogieDeclarations]: Found implementation of procedure reset_delta_events [2024-12-06 02:55:14,917 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-12-06 02:55:14,917 INFO L130 BoogieDeclarations]: Found specification of procedure update_channels [2024-12-06 02:55:14,917 INFO L138 BoogieDeclarations]: Found implementation of procedure update_channels [2024-12-06 02:55:14,918 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-06 02:55:14,918 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-06 02:55:14,978 INFO L234 CfgBuilder]: Building ICFG [2024-12-06 02:55:14,979 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-06 02:55:15,232 INFO L? ?]: Removed 35 outVars from TransFormulas that were not future-live. [2024-12-06 02:55:15,232 INFO L283 CfgBuilder]: Performing block encoding [2024-12-06 02:55:15,328 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-06 02:55:15,328 INFO L312 CfgBuilder]: Removed 8 assume(true) statements. [2024-12-06 02:55:15,328 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 02:55:15 BoogieIcfgContainer [2024-12-06 02:55:15,328 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-06 02:55:15,329 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-12-06 02:55:15,329 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-12-06 02:55:15,337 INFO L274 PluginConnector]: CodeCheck initialized [2024-12-06 02:55:15,337 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 02:55:15" (1/1) ... [2024-12-06 02:55:15,342 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-06 02:55:15,380 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:55:15,389 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 112 states to 81 states and 112 transitions. [2024-12-06 02:55:15,389 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 112 transitions. [2024-12-06 02:55:15,394 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2024-12-06 02:55:15,394 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:55:15,395 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 02:55:15,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:55:15,652 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 02:55:15,746 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:55:15,748 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 128 states to 86 states and 121 transitions. [2024-12-06 02:55:15,748 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 121 transitions. [2024-12-06 02:55:15,749 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2024-12-06 02:55:15,749 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:55:15,749 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 02:55:15,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:55:15,836 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 02:55:15,848 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:55:15,850 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 128 states to 87 states and 121 transitions. [2024-12-06 02:55:15,850 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 121 transitions. [2024-12-06 02:55:15,851 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2024-12-06 02:55:15,851 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:55:15,851 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 02:55:15,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:55:15,899 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 02:55:15,928 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:55:15,929 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 143 states to 94 states and 134 transitions. [2024-12-06 02:55:15,929 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 134 transitions. [2024-12-06 02:55:15,930 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-12-06 02:55:15,930 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:55:15,930 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 02:55:15,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:55:16,078 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 02:55:16,494 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:55:16,496 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 178 states to 106 states and 160 transitions. [2024-12-06 02:55:16,496 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 160 transitions. [2024-12-06 02:55:16,497 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-12-06 02:55:16,497 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:55:16,497 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 02:55:16,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:55:16,585 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 02:55:17,024 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:55:17,026 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 193 states to 109 states and 165 transitions. [2024-12-06 02:55:17,026 INFO L276 IsEmpty]: Start isEmpty. Operand 109 states and 165 transitions. [2024-12-06 02:55:17,027 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2024-12-06 02:55:17,027 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:55:17,027 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 02:55:17,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:55:17,070 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 02:55:17,116 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:55:17,117 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 188 states to 107 states and 160 transitions. [2024-12-06 02:55:17,117 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 160 transitions. [2024-12-06 02:55:17,118 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2024-12-06 02:55:17,118 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:55:17,119 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 02:55:17,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:55:17,178 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 02:55:17,196 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:55:17,197 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 179 states to 104 states and 152 transitions. [2024-12-06 02:55:17,197 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states and 152 transitions. [2024-12-06 02:55:17,198 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2024-12-06 02:55:17,198 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:55:17,198 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 02:55:17,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:55:17,254 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 02:55:17,524 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:55:17,525 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 203 states to 114 states and 174 transitions. [2024-12-06 02:55:17,525 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 174 transitions. [2024-12-06 02:55:17,526 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2024-12-06 02:55:17,526 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:55:17,526 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 02:55:17,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:55:17,546 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 02:55:17,559 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:55:17,560 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 202 states to 114 states and 173 transitions. [2024-12-06 02:55:17,560 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 173 transitions. [2024-12-06 02:55:17,561 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2024-12-06 02:55:17,561 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:55:17,561 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 02:55:17,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:55:17,752 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-12-06 02:55:18,908 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:55:18,909 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 239 states to 126 states and 199 transitions. [2024-12-06 02:55:18,910 INFO L276 IsEmpty]: Start isEmpty. Operand 126 states and 199 transitions. [2024-12-06 02:55:18,910 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2024-12-06 02:55:18,911 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:55:18,911 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 02:55:18,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:55:18,945 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-12-06 02:55:19,261 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:55:19,262 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 247 states to 128 states and 205 transitions. [2024-12-06 02:55:19,262 INFO L276 IsEmpty]: Start isEmpty. Operand 128 states and 205 transitions. [2024-12-06 02:55:19,263 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2024-12-06 02:55:19,263 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:55:19,263 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 02:55:19,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:55:19,306 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-12-06 02:55:19,332 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:55:19,333 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 236 states to 125 states and 196 transitions. [2024-12-06 02:55:19,334 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 196 transitions. [2024-12-06 02:55:19,334 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2024-12-06 02:55:19,335 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:55:19,335 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 02:55:19,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:55:19,364 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-12-06 02:55:19,500 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:55:19,500 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 243 states to 129 states and 203 transitions. [2024-12-06 02:55:19,501 INFO L276 IsEmpty]: Start isEmpty. Operand 129 states and 203 transitions. [2024-12-06 02:55:19,501 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-06 02:55:19,501 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:55:19,501 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 02:55:19,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:55:19,576 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-12-06 02:55:19,759 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:55:19,760 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 250 states to 133 states and 210 transitions. [2024-12-06 02:55:19,760 INFO L276 IsEmpty]: Start isEmpty. Operand 133 states and 210 transitions. [2024-12-06 02:55:19,761 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2024-12-06 02:55:19,761 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:55:19,761 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 02:55:19,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:55:19,797 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-12-06 02:55:19,819 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:55:19,820 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 253 states to 135 states and 213 transitions. [2024-12-06 02:55:19,820 INFO L276 IsEmpty]: Start isEmpty. Operand 135 states and 213 transitions. [2024-12-06 02:55:19,821 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2024-12-06 02:55:19,821 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:55:19,821 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 02:55:19,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:55:19,913 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-12-06 02:55:19,952 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:55:19,954 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 256 states to 137 states and 216 transitions. [2024-12-06 02:55:19,954 INFO L276 IsEmpty]: Start isEmpty. Operand 137 states and 216 transitions. [2024-12-06 02:55:19,955 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2024-12-06 02:55:19,955 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:55:19,955 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 02:55:19,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:55:19,985 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2024-12-06 02:55:20,036 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:55:20,037 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 256 states to 138 states and 216 transitions. [2024-12-06 02:55:20,037 INFO L276 IsEmpty]: Start isEmpty. Operand 138 states and 216 transitions. [2024-12-06 02:55:20,038 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2024-12-06 02:55:20,038 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:55:20,038 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 02:55:20,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:55:20,123 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-12-06 02:55:20,644 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:55:20,645 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 275 states to 146 states and 235 transitions. [2024-12-06 02:55:20,645 INFO L276 IsEmpty]: Start isEmpty. Operand 146 states and 235 transitions. [2024-12-06 02:55:20,646 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2024-12-06 02:55:20,646 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:55:20,647 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 02:55:20,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:55:20,684 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-12-06 02:55:20,726 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:55:20,727 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 285 states to 150 states and 245 transitions. [2024-12-06 02:55:20,728 INFO L276 IsEmpty]: Start isEmpty. Operand 150 states and 245 transitions. [2024-12-06 02:55:20,728 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2024-12-06 02:55:20,729 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:55:20,729 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 02:55:20,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:55:20,761 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-12-06 02:55:20,942 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:55:20,943 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 297 states to 155 states and 257 transitions. [2024-12-06 02:55:20,943 INFO L276 IsEmpty]: Start isEmpty. Operand 155 states and 257 transitions. [2024-12-06 02:55:20,944 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2024-12-06 02:55:20,944 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:55:20,944 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 02:55:20,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:55:21,016 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2024-12-06 02:55:21,034 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:55:21,034 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 296 states to 155 states and 256 transitions. [2024-12-06 02:55:21,035 INFO L276 IsEmpty]: Start isEmpty. Operand 155 states and 256 transitions. [2024-12-06 02:55:21,035 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2024-12-06 02:55:21,035 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:55:21,036 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 02:55:21,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:55:21,061 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2024-12-06 02:55:21,149 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:55:21,150 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 298 states to 157 states and 258 transitions. [2024-12-06 02:55:21,150 INFO L276 IsEmpty]: Start isEmpty. Operand 157 states and 258 transitions. [2024-12-06 02:55:21,151 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2024-12-06 02:55:21,151 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:55:21,151 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 02:55:21,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:55:21,203 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2024-12-06 02:55:21,349 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:55:21,350 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 300 states to 159 states and 260 transitions. [2024-12-06 02:55:21,350 INFO L276 IsEmpty]: Start isEmpty. Operand 159 states and 260 transitions. [2024-12-06 02:55:21,351 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2024-12-06 02:55:21,351 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:55:21,352 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 02:55:21,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:55:21,444 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2024-12-06 02:55:21,810 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:55:21,810 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 325 states to 166 states and 279 transitions. [2024-12-06 02:55:21,810 INFO L276 IsEmpty]: Start isEmpty. Operand 166 states and 279 transitions. [2024-12-06 02:55:21,811 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2024-12-06 02:55:21,811 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:55:21,811 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 02:55:21,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:55:21,927 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 6 proven. 5 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-12-06 02:55:22,717 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:55:22,718 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 342 states to 170 states and 289 transitions. [2024-12-06 02:55:22,718 INFO L276 IsEmpty]: Start isEmpty. Operand 170 states and 289 transitions. [2024-12-06 02:55:22,718 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2024-12-06 02:55:22,718 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:55:22,718 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 02:55:22,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:55:22,762 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 6 proven. 5 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-12-06 02:55:22,972 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:55:22,973 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 352 states to 172 states and 294 transitions. [2024-12-06 02:55:22,973 INFO L276 IsEmpty]: Start isEmpty. Operand 172 states and 294 transitions. [2024-12-06 02:55:22,974 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2024-12-06 02:55:22,974 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:55:22,974 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 02:55:22,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:55:23,001 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-12-06 02:55:23,741 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:55:23,742 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 378 states to 183 states and 320 transitions. [2024-12-06 02:55:23,742 INFO L276 IsEmpty]: Start isEmpty. Operand 183 states and 320 transitions. [2024-12-06 02:55:23,743 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2024-12-06 02:55:23,743 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:55:23,743 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 02:55:23,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:55:23,832 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2024-12-06 02:55:24,519 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:55:24,520 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 409 states to 191 states and 349 transitions. [2024-12-06 02:55:24,520 INFO L276 IsEmpty]: Start isEmpty. Operand 191 states and 349 transitions. [2024-12-06 02:55:24,521 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2024-12-06 02:55:24,521 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:55:24,521 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 02:55:24,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:55:24,560 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 6 proven. 6 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-12-06 02:55:24,590 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:55:24,592 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 398 states to 189 states and 343 transitions. [2024-12-06 02:55:24,592 INFO L276 IsEmpty]: Start isEmpty. Operand 189 states and 343 transitions. [2024-12-06 02:55:24,593 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2024-12-06 02:55:24,593 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:55:24,593 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 02:55:24,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:55:24,628 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 6 proven. 6 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-12-06 02:55:24,657 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:55:24,658 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 386 states to 185 states and 330 transitions. [2024-12-06 02:55:24,658 INFO L276 IsEmpty]: Start isEmpty. Operand 185 states and 330 transitions. [2024-12-06 02:55:24,659 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2024-12-06 02:55:24,659 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:55:24,659 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 02:55:24,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 02:55:24,669 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-06 02:55:24,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 02:55:24,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 02:55:24,761 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-06 02:55:24,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 02:55:24,824 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 31 iterations. [2024-12-06 02:55:24,879 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 06.12 02:55:24 ImpRootNode [2024-12-06 02:55:24,879 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-12-06 02:55:24,880 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-12-06 02:55:24,880 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-12-06 02:55:24,880 INFO L274 PluginConnector]: Witness Printer initialized [2024-12-06 02:55:24,881 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 02:55:15" (3/4) ... [2024-12-06 02:55:24,881 INFO L140 WitnessPrinter]: Generating witness for reachability counterexample [2024-12-06 02:55:24,949 INFO L129 tionWitnessGenerator]: Generated YAML witness of length 69. [2024-12-06 02:55:25,014 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4a19bdd-0b7a-4267-9c22-4e1771d61aa6/bin/ukojak-verify-CZk0znPC7b/witness.graphml [2024-12-06 02:55:25,014 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4a19bdd-0b7a-4267-9c22-4e1771d61aa6/bin/ukojak-verify-CZk0znPC7b/witness.yml [2024-12-06 02:55:25,015 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-12-06 02:55:25,016 INFO L158 Benchmark]: Toolchain (without parser) took 10460.72ms. Allocated memory was 142.6MB in the beginning and 285.2MB in the end (delta: 142.6MB). Free memory was 116.4MB in the beginning and 112.9MB in the end (delta: 3.5MB). Peak memory consumption was 144.4MB. Max. memory is 16.1GB. [2024-12-06 02:55:25,016 INFO L158 Benchmark]: CDTParser took 0.28ms. Allocated memory is still 142.6MB. Free memory is still 82.7MB. There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 02:55:25,016 INFO L158 Benchmark]: CACSL2BoogieTranslator took 244.87ms. Allocated memory is still 142.6MB. Free memory was 116.1MB in the beginning and 103.4MB in the end (delta: 12.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-12-06 02:55:25,016 INFO L158 Benchmark]: Boogie Procedure Inliner took 33.81ms. Allocated memory is still 142.6MB. Free memory was 103.1MB in the beginning and 101.6MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 02:55:25,017 INFO L158 Benchmark]: Boogie Preprocessor took 23.73ms. Allocated memory is still 142.6MB. Free memory was 101.6MB in the beginning and 100.3MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 02:55:25,017 INFO L158 Benchmark]: RCFGBuilder took 468.37ms. Allocated memory is still 142.6MB. Free memory was 100.3MB in the beginning and 68.4MB in the end (delta: 31.9MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. [2024-12-06 02:55:25,017 INFO L158 Benchmark]: CodeCheck took 9550.38ms. Allocated memory was 142.6MB in the beginning and 285.2MB in the end (delta: 142.6MB). Free memory was 68.4MB in the beginning and 124.2MB in the end (delta: -55.9MB). Peak memory consumption was 85.7MB. Max. memory is 16.1GB. [2024-12-06 02:55:25,018 INFO L158 Benchmark]: Witness Printer took 134.92ms. Allocated memory is still 285.2MB. Free memory was 124.2MB in the beginning and 112.9MB in the end (delta: 11.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-06 02:55:25,019 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 8 procedures, 81 locations, 4 error locations. Started 1 CEGAR loops. OverallTime: 9.5s, OverallIterations: 31, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 8429 SdHoareTripleChecker+Valid, 12.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 4420 mSDsluCounter, 12720 SdHoareTripleChecker+Invalid, 10.4s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 7534 mSDsCounter, 2687 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 8285 IncrementalHoareTripleChecker+Invalid, 10972 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 2687 mSolverCounterUnsat, 5186 mSDtfsCounter, 8285 mSolverCounterSat, 0.4s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 13798 GetRequests, 13491 SyntacticMatches, 111 SemanticMatches, 196 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16821 ImplicationChecksByTransitivity, 6.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.1s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 1.7s InterpolantComputationTime, 1411 NumberOfCodeBlocks, 1411 NumberOfCodeBlocksAsserted, 31 NumberOfCheckSat, 1317 ConstructedInterpolants, 0 QuantifiedInterpolants, 2624 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 30 InterpolantComputations, 25 PerfectInterpolantSequences, 247/274 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: 119]: integer overflow possible integer overflow possible We found a FailurePath: [L24] int m_pc = 0; [L25] int t1_pc = 0; [L26] int m_st ; [L27] int t1_st ; [L28] int m_i ; [L29] int t1_i ; [L30] int M_E = 2; [L31] int T1_E = 2; [L32] int E_M = 2; [L33] int E_1 = 2; [L37] int token ; [L39] int local ; [L485] int __retres1 ; [L489] CALL init_model() [L400] m_i = 1 [L401] t1_i = 1 [L489] RET init_model() [L490] CALL start_simulation() [L426] int kernel_st ; [L427] int tmp ; [L428] int tmp___0 ; [L432] kernel_st = 0 VAL [E_1=2, E_M=2, M_E=2, T1_E=2, local=0, m_i=1, m_pc=0, m_st=0, t1_i=1, t1_pc=0, t1_st=0, token=0] [L433] FCALL update_channels() VAL [E_1=2, E_M=2, M_E=2, T1_E=2, local=0, m_i=1, m_pc=0, m_st=0, t1_i=1, t1_pc=0, t1_st=0, token=0] [L434] CALL init_threads() [L182] COND TRUE m_i == 1 [L183] m_st = 0 [L187] COND TRUE t1_i == 1 [L188] t1_st = 0 [L434] RET init_threads() [L435] CALL fire_delta_events() VAL [E_1=2, E_M=2, M_E=2, T1_E=2, \old(E_1)=2, \old(E_M)=2, \old(M_E)=2, \old(T1_E)=2, local=0, m_i=1, m_pc=0, m_st=0, t1_i=1, t1_pc=0, t1_st=0, token=0] [L271] COND FALSE !(M_E == 0) [L276] COND FALSE !(T1_E == 0) [L281] COND FALSE !(E_M == 0) [L286] COND FALSE !(E_1 == 0) [L435] RET fire_delta_events() VAL [E_1=2, E_M=2, M_E=2, T1_E=2, local=0, m_i=1, m_pc=0, m_st=0, t1_i=1, t1_pc=0, t1_st=0, token=0] [L436] CALL activate_threads() VAL [E_1=2, E_M=2, M_E=2, T1_E=2, \old(m_st)=0, \old(t1_st)=0, local=0, m_i=1, m_pc=0, m_st=0, t1_i=1, t1_pc=0, t1_st=0, token=0] [L324] int tmp ; [L325] int tmp___0 ; [L329] CALL, EXPR is_master_triggered() [L133] int __retres1 ; VAL [E_1=2, E_M=2, M_E=2, T1_E=2, \old(m_st)=0, \old(t1_st)=0, local=0, m_i=1, m_pc=0, m_st=0, t1_i=1, t1_pc=0, t1_st=0, token=0] [L136] COND FALSE !(m_pc == 1) VAL [E_1=2, E_M=2, M_E=2, T1_E=2, \old(m_st)=0, \old(t1_st)=0, local=0, m_i=1, m_pc=0, m_st=0, t1_i=1, t1_pc=0, t1_st=0, token=0] [L146] __retres1 = 0 VAL [E_1=2, E_M=2, M_E=2, T1_E=2, \old(m_st)=0, \old(t1_st)=0, __retres1=0, local=0, m_i=1, m_pc=0, m_st=0, t1_i=1, t1_pc=0, t1_st=0, token=0] [L148] return (__retres1); [L329] RET, EXPR is_master_triggered() [L329] tmp = is_master_triggered() [L331] COND FALSE !(\read(tmp)) [L337] CALL, EXPR is_transmit1_triggered() [L152] int __retres1 ; VAL [E_1=2, E_M=2, M_E=2, T1_E=2, \old(m_st)=0, \old(t1_st)=0, local=0, m_i=1, m_pc=0, m_st=0, t1_i=1, t1_pc=0, t1_st=0, token=0] [L155] COND FALSE !(t1_pc == 1) VAL [E_1=2, E_M=2, M_E=2, T1_E=2, \old(m_st)=0, \old(t1_st)=0, local=0, m_i=1, m_pc=0, m_st=0, t1_i=1, t1_pc=0, t1_st=0, token=0] [L165] __retres1 = 0 VAL [E_1=2, E_M=2, M_E=2, T1_E=2, \old(m_st)=0, \old(t1_st)=0, __retres1=0, local=0, m_i=1, m_pc=0, m_st=0, t1_i=1, t1_pc=0, t1_st=0, token=0] [L167] return (__retres1); [L337] RET, EXPR is_transmit1_triggered() [L337] tmp___0 = is_transmit1_triggered() [L339] COND FALSE !(\read(tmp___0)) [L436] RET activate_threads() VAL [E_1=2, E_M=2, M_E=2, T1_E=2, local=0, m_i=1, m_pc=0, m_st=0, t1_i=1, t1_pc=0, t1_st=0, token=0] [L437] CALL reset_delta_events() VAL [E_1=2, E_M=2, M_E=2, T1_E=2, \old(E_1)=2, \old(E_M)=2, \old(M_E)=2, \old(T1_E)=2, local=0, m_i=1, m_pc=0, m_st=0, t1_i=1, t1_pc=0, t1_st=0, token=0] [L299] COND FALSE !(M_E == 1) [L304] COND FALSE !(T1_E == 1) [L309] COND FALSE !(E_M == 1) [L314] COND FALSE !(E_1 == 1) [L437] RET reset_delta_events() VAL [E_1=2, E_M=2, M_E=2, T1_E=2, local=0, m_i=1, m_pc=0, m_st=0, t1_i=1, t1_pc=0, t1_st=0, token=0] [L443] kernel_st = 1 [L444] CALL eval() [L218] int tmp ; VAL [E_1=2, E_M=2, M_E=2, T1_E=2, local=0, m_i=1, m_pc=0, m_st=0, t1_i=1, t1_pc=0, t1_st=0, token=0] [L225] CALL, EXPR exists_runnable_thread() VAL [E_1=2, E_M=2, M_E=2, T1_E=2, local=0, m_i=1, m_pc=0, m_st=0, t1_i=1, t1_pc=0, t1_st=0, token=0] [L197] int __retres1 ; [L200] COND TRUE m_st == 0 [L201] __retres1 = 1 [L213] return (__retres1); [L225] RET, EXPR exists_runnable_thread() VAL [E_1=2, E_M=2, M_E=2, T1_E=2, local=0, m_i=1, m_pc=0, m_st=0, t1_i=1, t1_pc=0, t1_st=0, token=0] [L225] tmp = exists_runnable_thread() [L227] COND TRUE \read(tmp) VAL [E_1=2, E_M=2, M_E=2, T1_E=2, local=0, m_i=1, m_pc=0, m_st=0, t1_i=1, t1_pc=0, t1_st=0, token=0] [L232] COND TRUE m_st == 0 [L233] int tmp_ndt_1; [L234] tmp_ndt_1 = __VERIFIER_nondet_int() [L235] COND FALSE !(\read(tmp_ndt_1)) VAL [E_1=2, E_M=2, M_E=2, T1_E=2, local=0, m_i=1, m_pc=0, m_st=0, t1_i=1, t1_pc=0, t1_st=0, token=0] [L246] COND TRUE t1_st == 0 [L247] int tmp_ndt_2; [L248] tmp_ndt_2 = __VERIFIER_nondet_int() [L249] COND TRUE \read(tmp_ndt_2) [L251] t1_st = 1 [L252] CALL transmit1() [L100] COND TRUE t1_pc == 0 VAL [E_1=2, E_M=2, M_E=2, T1_E=2, local=0, m_i=1, m_pc=0, m_st=0, t1_i=1, t1_pc=0, t1_st=1, token=0] [L113] t1_pc = 1 [L114] t1_st = 2 [L252] RET transmit1() [L225] CALL, EXPR exists_runnable_thread() VAL [E_1=2, E_M=2, M_E=2, T1_E=2, local=0, m_i=1, m_pc=0, m_st=0, t1_i=1, t1_pc=1, t1_st=2, token=0] [L197] int __retres1 ; [L200] COND TRUE m_st == 0 [L201] __retres1 = 1 [L213] return (__retres1); [L225] RET, EXPR exists_runnable_thread() VAL [E_1=2, E_M=2, M_E=2, T1_E=2, local=0, m_i=1, m_pc=0, m_st=0, t1_i=1, t1_pc=1, t1_st=2, token=0] [L225] tmp = exists_runnable_thread() [L227] COND TRUE \read(tmp) VAL [E_1=2, E_M=2, M_E=2, T1_E=2, local=0, m_i=1, m_pc=0, m_st=0, t1_i=1, t1_pc=1, t1_st=2, token=0] [L232] COND TRUE m_st == 0 [L233] int tmp_ndt_1; [L234] tmp_ndt_1 = __VERIFIER_nondet_int() [L235] COND TRUE \read(tmp_ndt_1) [L237] m_st = 1 [L238] CALL master() [L42] int tmp_var = __VERIFIER_nondet_int(); [L44] COND TRUE m_pc == 0 VAL [E_1=2, E_M=2, M_E=2, T1_E=2, local=0, m_i=1, m_pc=0, m_st=1, t1_i=1, t1_pc=1, t1_st=2, tmp_var=0, token=0] [L58] token = __VERIFIER_nondet_int() [L59] local = token [L60] E_1 = 1 VAL [E_1=1, E_M=2, M_E=2, T1_E=2, local=2147483647, m_i=1, m_pc=0, m_st=1, t1_i=1, t1_pc=1, t1_st=2, tmp_var=0, token=2147483647] [L61] CALL immediate_notify() VAL [E_1=1, E_M=2, M_E=2, T1_E=2, \old(m_st)=1, \old(t1_st)=2, local=2147483647, m_i=1, m_pc=0, m_st=1, t1_i=1, t1_pc=1, t1_st=2, token=2147483647] [L353] CALL activate_threads() VAL [E_1=1, E_M=2, M_E=2, T1_E=2, \old(m_st)=1, \old(t1_st)=2, local=2147483647, m_i=1, m_pc=0, m_st=1, t1_i=1, t1_pc=1, t1_st=2, token=2147483647] [L324] int tmp ; [L325] int tmp___0 ; [L329] CALL, EXPR is_master_triggered() [L133] int __retres1 ; VAL [E_1=1, E_M=2, M_E=2, T1_E=2, \old(m_st)=1, \old(t1_st)=2, local=2147483647, m_i=1, m_pc=0, m_st=1, t1_i=1, t1_pc=1, t1_st=2, token=2147483647] [L136] COND FALSE !(m_pc == 1) VAL [E_1=1, E_M=2, M_E=2, T1_E=2, \old(m_st)=1, \old(t1_st)=2, local=2147483647, m_i=1, m_pc=0, m_st=1, t1_i=1, t1_pc=1, t1_st=2, token=2147483647] [L146] __retres1 = 0 VAL [E_1=1, E_M=2, M_E=2, T1_E=2, \old(m_st)=1, \old(t1_st)=2, __retres1=0, local=2147483647, m_i=1, m_pc=0, m_st=1, t1_i=1, t1_pc=1, t1_st=2, token=2147483647] [L148] return (__retres1); [L329] RET, EXPR is_master_triggered() [L329] tmp = is_master_triggered() [L331] COND FALSE !(\read(tmp)) [L337] CALL, EXPR is_transmit1_triggered() [L152] int __retres1 ; VAL [E_1=1, E_M=2, M_E=2, T1_E=2, \old(m_st)=1, \old(t1_st)=2, local=2147483647, m_i=1, m_pc=0, m_st=1, t1_i=1, t1_pc=1, t1_st=2, token=2147483647] [L155] COND TRUE t1_pc == 1 VAL [E_1=1, E_M=2, M_E=2, T1_E=2, \old(m_st)=1, \old(t1_st)=2, local=2147483647, m_i=1, m_pc=0, m_st=1, t1_i=1, t1_pc=1, t1_st=2, token=2147483647] [L156] COND TRUE E_1 == 1 [L157] __retres1 = 1 VAL [E_1=1, E_M=2, M_E=2, T1_E=2, \old(m_st)=1, \old(t1_st)=2, __retres1=1, local=2147483647, m_i=1, m_pc=0, m_st=1, t1_i=1, t1_pc=1, t1_st=2, token=2147483647] [L167] return (__retres1); [L337] RET, EXPR is_transmit1_triggered() [L337] tmp___0 = is_transmit1_triggered() [L339] COND TRUE \read(tmp___0) [L340] t1_st = 0 [L353] RET activate_threads() VAL [E_1=1, E_M=2, M_E=2, T1_E=2, \old(m_st)=1, \old(t1_st)=2, local=2147483647, m_i=1, m_pc=0, m_st=1, t1_i=1, t1_pc=1, t1_st=0, token=2147483647] [L61] RET immediate_notify() VAL [E_1=1, E_M=2, M_E=2, T1_E=2, local=2147483647, m_i=1, m_pc=0, m_st=1, t1_i=1, t1_pc=1, t1_st=0, tmp_var=0, token=2147483647] [L62] E_1 = 2 [L63] m_pc = 1 [L64] m_st = 2 VAL [E_1=2, E_M=2, M_E=2, T1_E=2, local=2147483647, m_i=1, m_pc=1, m_st=2, t1_i=1, t1_pc=1, t1_st=0, tmp_var=0, token=2147483647] [L238] RET master() [L246] COND TRUE t1_st == 0 [L247] int tmp_ndt_2; [L248] tmp_ndt_2 = __VERIFIER_nondet_int() [L249] COND TRUE \read(tmp_ndt_2) [L251] t1_st = 1 [L252] CALL transmit1() [L100] COND FALSE !(t1_pc == 0) VAL [E_1=2, E_M=2, M_E=2, T1_E=2, local=2147483647, m_i=1, m_pc=1, m_st=2, t1_i=1, t1_pc=1, t1_st=1, token=2147483647] [L103] COND TRUE t1_pc == 1 VAL [E_1=2, E_M=2, M_E=2, T1_E=2, local=2147483647, m_i=1, m_pc=1, m_st=2, t1_i=1, t1_pc=1, t1_st=1, token=2147483647] [L119] token += 1 VAL [E_1=2, E_M=2, M_E=2, T1_E=2, local=2147483647, m_i=1, m_pc=1, m_st=2, t1_i=1, t1_pc=1, t1_st=1, token=2147483647] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.28ms. Allocated memory is still 142.6MB. Free memory is still 82.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 244.87ms. Allocated memory is still 142.6MB. Free memory was 116.1MB in the beginning and 103.4MB in the end (delta: 12.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 33.81ms. Allocated memory is still 142.6MB. Free memory was 103.1MB in the beginning and 101.6MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 23.73ms. Allocated memory is still 142.6MB. Free memory was 101.6MB in the beginning and 100.3MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 468.37ms. Allocated memory is still 142.6MB. Free memory was 100.3MB in the beginning and 68.4MB in the end (delta: 31.9MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. * CodeCheck took 9550.38ms. Allocated memory was 142.6MB in the beginning and 285.2MB in the end (delta: 142.6MB). Free memory was 68.4MB in the beginning and 124.2MB in the end (delta: -55.9MB). Peak memory consumption was 85.7MB. Max. memory is 16.1GB. * Witness Printer took 134.92ms. Allocated memory is still 285.2MB. Free memory was 124.2MB in the beginning and 112.9MB in the end (delta: 11.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be incorrect! [2024-12-06 02:55:25,038 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4a19bdd-0b7a-4267-9c22-4e1771d61aa6/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(OVERFLOW)