./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/combinations/pc_sfifo_1.cil-1+token_ring.05.cil-1.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 826ab2ba Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c7511ad-4ace-4fee-b2c5-d487fed4a7b6/bin/ukojak-verify-EEHR8qb7sm/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c7511ad-4ace-4fee-b2c5-d487fed4a7b6/bin/ukojak-verify-EEHR8qb7sm/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c7511ad-4ace-4fee-b2c5-d487fed4a7b6/bin/ukojak-verify-EEHR8qb7sm/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c7511ad-4ace-4fee-b2c5-d487fed4a7b6/bin/ukojak-verify-EEHR8qb7sm/config/KojakReach.xml -i ../../sv-benchmarks/c/combinations/pc_sfifo_1.cil-1+token_ring.05.cil-1.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c7511ad-4ace-4fee-b2c5-d487fed4a7b6/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c7511ad-4ace-4fee-b2c5-d487fed4a7b6/bin/ukojak-verify-EEHR8qb7sm --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 9d4bc18aefc7d5cf8a6801b407c7ea85d9f7dfe6af9e54139938035f3045aafe --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 21:30:01,039 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 21:30:01,125 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c7511ad-4ace-4fee-b2c5-d487fed4a7b6/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Reach-32bit-Kojak_Default.epf [2024-11-13 21:30:01,131 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-13 21:30:01,134 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-13 21:30:01,178 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 21:30:01,180 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 21:30:01,181 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-13 21:30:01,181 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 21:30:01,181 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 21:30:01,182 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 21:30:01,183 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 21:30:01,183 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-13 21:30:01,184 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-13 21:30:01,184 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-13 21:30:01,184 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 21:30:01,184 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 21:30:01,184 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 21:30:01,184 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 21:30:01,184 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 21:30:01,184 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-13 21:30:01,184 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 21:30:01,184 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 21:30:01,184 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-13 21:30:01,185 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-13 21:30:01,185 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-13 21:30:01,185 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 21:30:01,185 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 21:30:01,185 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 21:30:01,185 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 21:30:01,185 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 21:30:01,185 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-13 21:30:01,185 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-13 21:30:01,185 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_5c7511ad-4ace-4fee-b2c5-d487fed4a7b6/bin/ukojak-verify-EEHR8qb7sm Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 9d4bc18aefc7d5cf8a6801b407c7ea85d9f7dfe6af9e54139938035f3045aafe [2024-11-13 21:30:01,540 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 21:30:01,552 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 21:30:01,557 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 21:30:01,559 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 21:30:01,560 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 21:30:01,561 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c7511ad-4ace-4fee-b2c5-d487fed4a7b6/bin/ukojak-verify-EEHR8qb7sm/../../sv-benchmarks/c/combinations/pc_sfifo_1.cil-1+token_ring.05.cil-1.c Unable to find full path for "g++" [2024-11-13 21:30:03,532 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 21:30:03,918 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 21:30:03,919 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c7511ad-4ace-4fee-b2c5-d487fed4a7b6/sv-benchmarks/c/combinations/pc_sfifo_1.cil-1+token_ring.05.cil-1.c [2024-11-13 21:30:03,987 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c7511ad-4ace-4fee-b2c5-d487fed4a7b6/bin/ukojak-verify-EEHR8qb7sm/data/dfabb27c6/22801a6298ac4cacb8a4b90faf3c9373/FLAG3b0c59752 [2024-11-13 21:30:04,019 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c7511ad-4ace-4fee-b2c5-d487fed4a7b6/bin/ukojak-verify-EEHR8qb7sm/data/dfabb27c6/22801a6298ac4cacb8a4b90faf3c9373 [2024-11-13 21:30:04,022 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 21:30:04,024 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 21:30:04,027 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 21:30:04,027 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 21:30:04,032 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 21:30:04,033 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 09:30:04" (1/1) ... [2024-11-13 21:30:04,036 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4e67a136 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:30:04, skipping insertion in model container [2024-11-13 21:30:04,036 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 09:30:04" (1/1) ... [2024-11-13 21:30:04,083 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 21:30:04,279 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_5c7511ad-4ace-4fee-b2c5-d487fed4a7b6/sv-benchmarks/c/combinations/pc_sfifo_1.cil-1+token_ring.05.cil-1.c[913,926] [2024-11-13 21:30:04,342 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_5c7511ad-4ace-4fee-b2c5-d487fed4a7b6/sv-benchmarks/c/combinations/pc_sfifo_1.cil-1+token_ring.05.cil-1.c[5994,6007] [2024-11-13 21:30:04,414 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 21:30:04,428 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 21:30:04,442 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_5c7511ad-4ace-4fee-b2c5-d487fed4a7b6/sv-benchmarks/c/combinations/pc_sfifo_1.cil-1+token_ring.05.cil-1.c[913,926] [2024-11-13 21:30:04,493 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_5c7511ad-4ace-4fee-b2c5-d487fed4a7b6/sv-benchmarks/c/combinations/pc_sfifo_1.cil-1+token_ring.05.cil-1.c[5994,6007] [2024-11-13 21:30:04,555 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 21:30:04,580 INFO L204 MainTranslator]: Completed translation [2024-11-13 21:30:04,581 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:30:04 WrapperNode [2024-11-13 21:30:04,581 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 21:30:04,583 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 21:30:04,583 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 21:30:04,583 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 21:30:04,591 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:30:04" (1/1) ... [2024-11-13 21:30:04,612 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:30:04" (1/1) ... [2024-11-13 21:30:04,662 INFO L138 Inliner]: procedures = 58, calls = 64, calls flagged for inlining = 33, calls inlined = 33, statements flattened = 652 [2024-11-13 21:30:04,662 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 21:30:04,663 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 21:30:04,663 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 21:30:04,663 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 21:30:04,672 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:30:04" (1/1) ... [2024-11-13 21:30:04,672 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:30:04" (1/1) ... [2024-11-13 21:30:04,676 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:30:04" (1/1) ... [2024-11-13 21:30:04,676 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:30:04" (1/1) ... [2024-11-13 21:30:04,687 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:30:04" (1/1) ... [2024-11-13 21:30:04,697 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:30:04" (1/1) ... [2024-11-13 21:30:04,700 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:30:04" (1/1) ... [2024-11-13 21:30:04,702 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:30:04" (1/1) ... [2024-11-13 21:30:04,708 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 21:30:04,713 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 21:30:04,713 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 21:30:04,713 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 21:30:04,714 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:30:04" (1/1) ... [2024-11-13 21:30:04,722 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 21:30:04,741 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c7511ad-4ace-4fee-b2c5-d487fed4a7b6/bin/ukojak-verify-EEHR8qb7sm/z3 [2024-11-13 21:30:04,758 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c7511ad-4ace-4fee-b2c5-d487fed4a7b6/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-13 21:30:04,763 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c7511ad-4ace-4fee-b2c5-d487fed4a7b6/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-13 21:30:04,798 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 21:30:04,799 INFO L130 BoogieDeclarations]: Found specification of procedure immediate_notify [2024-11-13 21:30:04,799 INFO L138 BoogieDeclarations]: Found implementation of procedure immediate_notify [2024-11-13 21:30:04,799 INFO L130 BoogieDeclarations]: Found specification of procedure immediate_notify_threads [2024-11-13 21:30:04,800 INFO L138 BoogieDeclarations]: Found implementation of procedure immediate_notify_threads [2024-11-13 21:30:04,800 INFO L130 BoogieDeclarations]: Found specification of procedure exists_runnable_thread1 [2024-11-13 21:30:04,800 INFO L138 BoogieDeclarations]: Found implementation of procedure exists_runnable_thread1 [2024-11-13 21:30:04,800 INFO L130 BoogieDeclarations]: Found specification of procedure exists_runnable_thread2 [2024-11-13 21:30:04,800 INFO L138 BoogieDeclarations]: Found implementation of procedure exists_runnable_thread2 [2024-11-13 21:30:04,800 INFO L130 BoogieDeclarations]: Found specification of procedure reset_delta_events2 [2024-11-13 21:30:04,800 INFO L138 BoogieDeclarations]: Found implementation of procedure reset_delta_events2 [2024-11-13 21:30:04,800 INFO L130 BoogieDeclarations]: Found specification of procedure activate_threads2 [2024-11-13 21:30:04,800 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_threads2 [2024-11-13 21:30:04,800 INFO L130 BoogieDeclarations]: Found specification of procedure update_channels2 [2024-11-13 21:30:04,801 INFO L138 BoogieDeclarations]: Found implementation of procedure update_channels2 [2024-11-13 21:30:04,801 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-13 21:30:04,801 INFO L130 BoogieDeclarations]: Found specification of procedure fire_delta_events2 [2024-11-13 21:30:04,801 INFO L138 BoogieDeclarations]: Found implementation of procedure fire_delta_events2 [2024-11-13 21:30:04,801 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 21:30:04,801 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 21:30:04,801 INFO L130 BoogieDeclarations]: Found specification of procedure error1 [2024-11-13 21:30:04,802 INFO L138 BoogieDeclarations]: Found implementation of procedure error1 [2024-11-13 21:30:04,986 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 21:30:04,991 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 21:30:06,048 INFO L? ?]: Removed 85 outVars from TransFormulas that were not future-live. [2024-11-13 21:30:06,049 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 21:30:06,473 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 21:30:06,473 INFO L316 CfgBuilder]: Removed 12 assume(true) statements. [2024-11-13 21:30:06,474 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 09:30:06 BoogieIcfgContainer [2024-11-13 21:30:06,474 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 21:30:06,475 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-13 21:30:06,475 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-13 21:30:06,486 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-13 21:30:06,486 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 09:30:06" (1/1) ... [2024-11-13 21:30:06,496 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 21:30:06,542 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:30:06,558 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 251 states to 169 states and 251 transitions. [2024-11-13 21:30:06,559 INFO L276 IsEmpty]: Start isEmpty. Operand 169 states and 251 transitions. [2024-11-13 21:30:06,566 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-11-13 21:30:06,567 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:30:06,568 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:30:06,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 21:30:06,698 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 21:30:06,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 21:30:06,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 21:30:06,874 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 21:30:06,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 21:30:06,979 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2024-11-13 21:30:07,033 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 13.11 09:30:07 ImpRootNode [2024-11-13 21:30:07,033 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-13 21:30:07,034 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-13 21:30:07,034 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-13 21:30:07,035 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-13 21:30:07,035 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 09:30:06" (3/4) ... [2024-11-13 21:30:07,036 INFO L136 WitnessPrinter]: Generating witness for reachability counterexample [2024-11-13 21:30:07,105 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c7511ad-4ace-4fee-b2c5-d487fed4a7b6/bin/ukojak-verify-EEHR8qb7sm/witness.graphml [2024-11-13 21:30:07,106 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-13 21:30:07,108 INFO L158 Benchmark]: Toolchain (without parser) took 3083.48ms. Allocated memory is still 142.6MB. Free memory was 119.0MB in the beginning and 102.7MB in the end (delta: 16.3MB). Peak memory consumption was 16.9MB. Max. memory is 16.1GB. [2024-11-13 21:30:07,108 INFO L158 Benchmark]: CDTParser took 1.53ms. Allocated memory is still 142.6MB. Free memory is still 81.3MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 21:30:07,108 INFO L158 Benchmark]: CACSL2BoogieTranslator took 555.56ms. Allocated memory is still 142.6MB. Free memory was 118.8MB in the beginning and 100.0MB in the end (delta: 18.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-13 21:30:07,112 INFO L158 Benchmark]: Boogie Procedure Inliner took 79.82ms. Allocated memory is still 142.6MB. Free memory was 99.7MB in the beginning and 96.9MB in the end (delta: 2.9MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 21:30:07,113 INFO L158 Benchmark]: Boogie Preprocessor took 48.87ms. Allocated memory is still 142.6MB. Free memory was 96.9MB in the beginning and 94.1MB in the end (delta: 2.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 21:30:07,113 INFO L158 Benchmark]: RCFGBuilder took 1761.20ms. Allocated memory is still 142.6MB. Free memory was 94.1MB in the beginning and 64.2MB in the end (delta: 29.8MB). Peak memory consumption was 56.3MB. Max. memory is 16.1GB. [2024-11-13 21:30:07,113 INFO L158 Benchmark]: CodeCheck took 558.93ms. Allocated memory is still 142.6MB. Free memory was 64.2MB in the beginning and 107.7MB in the end (delta: -43.5MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 21:30:07,114 INFO L158 Benchmark]: Witness Printer took 72.56ms. Allocated memory is still 142.6MB. Free memory was 107.7MB in the beginning and 102.7MB in the end (delta: 5.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 21:30:07,116 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, 169 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.5s, 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, 0.1s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 13 NumberOfCodeBlocks, 13 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - CounterExampleResult [Line: 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 t5_pc = 0; [L400] int m_st ; [L401] int t1_st ; [L402] int t2_st ; [L403] int t3_st ; [L404] int t4_st ; [L405] int t5_st ; [L406] int m_i ; [L407] int t1_i ; [L408] int t2_i ; [L409] int t3_i ; [L410] int t4_i ; [L411] int t5_i ; [L412] int M_E = 2; [L413] int T1_E = 2; [L414] int T2_E = 2; [L415] int T3_E = 2; [L416] int T4_E = 2; [L417] int T5_E = 2; [L418] int E_M = 2; [L419] int E_1 = 2; [L420] int E_2 = 2; [L421] int E_3 = 2; [L422] int E_4 = 2; [L423] int E_5 = 2; [L431] int token ; [L433] int local ; [L1356] COND TRUE __VERIFIER_nondet_int() [L1357] 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() [L331] COND TRUE 1 [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_5=2, E_M=2, M_E=2, T1_E=2, T2_E=2, T3_E=2, T4_E=2, T5_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, t5_i=0, t5_pc=0, t5_st=0, token=0] [L255] COND TRUE 1 VAL [E_1=2, E_2=2, E_3=2, E_4=2, E_5=2, E_M=2, M_E=2, T1_E=2, T2_E=2, T3_E=2, T4_E=2, T5_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, t5_i=0, t5_pc=0, t5_st=0, token=0] [L258] CALL, EXPR exists_runnable_thread1() VAL [E_1=2, E_2=2, E_3=2, E_4=2, E_5=2, E_M=2, M_E=2, T1_E=2, T2_E=2, T3_E=2, T4_E=2, T5_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, t5_i=0, t5_pc=0, t5_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_5=2, E_M=2, M_E=2, T1_E=2, T2_E=2, T3_E=2, T4_E=2, T5_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, t5_i=0, t5_pc=0, t5_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_5=2, E_M=2, M_E=2, T1_E=2, T2_E=2, T3_E=2, T4_E=2, T5_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, t5_i=0, t5_pc=0, t5_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_5=2, E_M=2, M_E=2, T1_E=2, T2_E=2, T3_E=2, T4_E=2, T5_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, t5_i=0, t5_pc=0, t5_st=0, token=0] [L275] CALL error1() VAL [E_1=2, E_2=2, E_3=2, E_4=2, E_5=2, E_M=2, M_E=2, T1_E=2, T2_E=2, T3_E=2, T4_E=2, T5_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, t5_i=0, t5_pc=0, t5_st=0, token=0] [L27] reach_error() VAL [E_1=2, E_2=2, E_3=2, E_4=2, E_5=2, E_M=2, M_E=2, T1_E=2, T2_E=2, T3_E=2, T4_E=2, T5_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, t5_i=0, t5_pc=0, t5_st=0, token=0] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.53ms. Allocated memory is still 142.6MB. Free memory is still 81.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 555.56ms. Allocated memory is still 142.6MB. Free memory was 118.8MB in the beginning and 100.0MB in the end (delta: 18.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 79.82ms. Allocated memory is still 142.6MB. Free memory was 99.7MB in the beginning and 96.9MB in the end (delta: 2.9MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 48.87ms. Allocated memory is still 142.6MB. Free memory was 96.9MB in the beginning and 94.1MB in the end (delta: 2.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * RCFGBuilder took 1761.20ms. Allocated memory is still 142.6MB. Free memory was 94.1MB in the beginning and 64.2MB in the end (delta: 29.8MB). Peak memory consumption was 56.3MB. Max. memory is 16.1GB. * CodeCheck took 558.93ms. Allocated memory is still 142.6MB. Free memory was 64.2MB in the beginning and 107.7MB in the end (delta: -43.5MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 72.56ms. Allocated memory is still 142.6MB. Free memory was 107.7MB in the beginning and 102.7MB in the end (delta: 5.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be incorrect! [2024-11-13 21:30:07,161 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c7511ad-4ace-4fee-b2c5-d487fed4a7b6/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, 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