./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-races/race-1_3-join.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version d790fecc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2593fbb-17ce-416d-9b55-024cb4cbc8cf/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2593fbb-17ce-416d-9b55-024cb4cbc8cf/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_c2593fbb-17ce-416d-9b55-024cb4cbc8cf/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2593fbb-17ce-416d-9b55-024cb4cbc8cf/bin/ukojak-verify-CZk0znPC7b/config/KojakReach.xml -i ../../sv-benchmarks/c/ldv-races/race-1_3-join.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2593fbb-17ce-416d-9b55-024cb4cbc8cf/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2593fbb-17ce-416d-9b55-024cb4cbc8cf/bin/ukojak-verify-CZk0znPC7b --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 8c7f2059024755e8d2127555397365a96bb56530f6a4795548fd916204307c42 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-06 00:06:13,971 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-06 00:06:14,029 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2593fbb-17ce-416d-9b55-024cb4cbc8cf/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-32bit-Kojak_Default.epf [2024-12-06 00:06:14,034 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-06 00:06:14,034 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-12-06 00:06:14,055 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-06 00:06:14,056 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-06 00:06:14,056 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-12-06 00:06:14,056 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-06 00:06:14,057 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-06 00:06:14,057 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-06 00:06:14,057 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-06 00:06:14,057 INFO L153 SettingsManager]: * sizeof long=4 [2024-12-06 00:06:14,057 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-12-06 00:06:14,057 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-12-06 00:06:14,057 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-06 00:06:14,057 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-06 00:06:14,057 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-06 00:06:14,057 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-06 00:06:14,058 INFO L153 SettingsManager]: * sizeof long double=12 [2024-12-06 00:06:14,058 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-06 00:06:14,058 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-06 00:06:14,058 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-06 00:06:14,058 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-06 00:06:14,058 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-06 00:06:14,058 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-06 00:06:14,058 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-06 00:06:14,058 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 00:06:14,058 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-06 00:06:14,059 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-06 00:06:14,059 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-06 00:06:14,059 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-12-06 00:06:14,059 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-12-06 00:06:14,059 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_c2593fbb-17ce-416d-9b55-024cb4cbc8cf/bin/ukojak-verify-CZk0znPC7b Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 8c7f2059024755e8d2127555397365a96bb56530f6a4795548fd916204307c42 [2024-12-06 00:06:14,298 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-06 00:06:14,305 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-06 00:06:14,306 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-06 00:06:14,307 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-06 00:06:14,307 INFO L274 PluginConnector]: CDTParser initialized [2024-12-06 00:06:14,308 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2593fbb-17ce-416d-9b55-024cb4cbc8cf/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/ldv-races/race-1_3-join.i [2024-12-06 00:06:16,999 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2593fbb-17ce-416d-9b55-024cb4cbc8cf/bin/ukojak-verify-CZk0znPC7b/data/1cb844a9b/d4a4880ce13c40219180493e374545ea/FLAGbf2728d79 [2024-12-06 00:06:17,291 INFO L384 CDTParser]: Found 1 translation units. [2024-12-06 00:06:17,291 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2593fbb-17ce-416d-9b55-024cb4cbc8cf/sv-benchmarks/c/ldv-races/race-1_3-join.i [2024-12-06 00:06:17,309 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2593fbb-17ce-416d-9b55-024cb4cbc8cf/bin/ukojak-verify-CZk0znPC7b/data/1cb844a9b/d4a4880ce13c40219180493e374545ea/FLAGbf2728d79 [2024-12-06 00:06:17,574 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2593fbb-17ce-416d-9b55-024cb4cbc8cf/bin/ukojak-verify-CZk0znPC7b/data/1cb844a9b/d4a4880ce13c40219180493e374545ea [2024-12-06 00:06:17,576 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-06 00:06:17,578 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-06 00:06:17,579 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-06 00:06:17,579 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-06 00:06:17,583 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-06 00:06:17,584 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 12:06:17" (1/1) ... [2024-12-06 00:06:17,585 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4e718dd8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:06:17, skipping insertion in model container [2024-12-06 00:06:17,585 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 12:06:17" (1/1) ... [2024-12-06 00:06:17,620 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-06 00:06:18,187 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_c2593fbb-17ce-416d-9b55-024cb4cbc8cf/sv-benchmarks/c/ldv-races/race-1_3-join.i[76153,76166] [2024-12-06 00:06:18,211 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 00:06:18,224 INFO L200 MainTranslator]: Completed pre-run [2024-12-06 00:06:18,279 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_c2593fbb-17ce-416d-9b55-024cb4cbc8cf/sv-benchmarks/c/ldv-races/race-1_3-join.i[76153,76166] [2024-12-06 00:06:18,286 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 00:06:18,361 INFO L204 MainTranslator]: Completed translation [2024-12-06 00:06:18,361 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:06:18 WrapperNode [2024-12-06 00:06:18,361 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-06 00:06:18,362 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-06 00:06:18,362 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-06 00:06:18,362 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-06 00:06:18,367 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:06:18" (1/1) ... [2024-12-06 00:06:18,385 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:06:18" (1/1) ... [2024-12-06 00:06:18,402 INFO L138 Inliner]: procedures = 483, calls = 30, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 61 [2024-12-06 00:06:18,402 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-06 00:06:18,403 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-06 00:06:18,403 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-06 00:06:18,403 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-06 00:06:18,409 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:06:18" (1/1) ... [2024-12-06 00:06:18,409 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:06:18" (1/1) ... [2024-12-06 00:06:18,412 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:06:18" (1/1) ... [2024-12-06 00:06:18,413 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:06:18" (1/1) ... [2024-12-06 00:06:18,420 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:06:18" (1/1) ... [2024-12-06 00:06:18,421 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:06:18" (1/1) ... [2024-12-06 00:06:18,422 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:06:18" (1/1) ... [2024-12-06 00:06:18,424 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:06:18" (1/1) ... [2024-12-06 00:06:18,425 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:06:18" (1/1) ... [2024-12-06 00:06:18,428 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-06 00:06:18,428 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-06 00:06:18,428 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-06 00:06:18,429 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-06 00:06:18,429 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:06:18" (1/1) ... [2024-12-06 00:06:18,434 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 00:06:18,457 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2593fbb-17ce-416d-9b55-024cb4cbc8cf/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-06 00:06:18,467 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2593fbb-17ce-416d-9b55-024cb4cbc8cf/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-06 00:06:18,469 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2593fbb-17ce-416d-9b55-024cb4cbc8cf/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-06 00:06:18,489 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-12-06 00:06:18,489 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-12-06 00:06:18,489 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-12-06 00:06:18,489 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2024-12-06 00:06:18,490 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-06 00:06:18,490 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2024-12-06 00:06:18,490 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert [2024-12-06 00:06:18,490 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert [2024-12-06 00:06:18,490 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-06 00:06:18,490 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-06 00:06:18,490 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-12-06 00:06:18,490 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexUnlock [2024-12-06 00:06:18,490 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2024-12-06 00:06:18,490 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2024-12-06 00:06:18,490 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-12-06 00:06:18,491 WARN L203 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-12-06 00:06:18,701 INFO L234 CfgBuilder]: Building ICFG [2024-12-06 00:06:18,702 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-06 00:06:18,820 INFO L279 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-12-06 00:06:18,820 INFO L283 CfgBuilder]: Performing block encoding