./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-data-race.prp --file ../../sv-benchmarks/c/weaver/test-easy8.wvr.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version 826ab2ba Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e626c1f5-7de0-4d24-9d80-2a44254e314c/bin/uautomizer-verify-qhAvR1uOyd/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e626c1f5-7de0-4d24-9d80-2a44254e314c/bin/uautomizer-verify-qhAvR1uOyd/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e626c1f5-7de0-4d24-9d80-2a44254e314c/bin/uautomizer-verify-qhAvR1uOyd/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e626c1f5-7de0-4d24-9d80-2a44254e314c/bin/uautomizer-verify-qhAvR1uOyd/config/AutomizerReach.xml -i ../../sv-benchmarks/c/weaver/test-easy8.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e626c1f5-7de0-4d24-9d80-2a44254e314c/bin/uautomizer-verify-qhAvR1uOyd/config/svcomp-DataRace-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e626c1f5-7de0-4d24-9d80-2a44254e314c/bin/uautomizer-verify-qhAvR1uOyd --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! data-race) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 8f1ab1ba58134315bb95f4d7907dcf46708a987e1262dae752b0729e60618d99 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 15:25:48,159 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 15:25:48,233 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e626c1f5-7de0-4d24-9d80-2a44254e314c/bin/uautomizer-verify-qhAvR1uOyd/config/svcomp-DataRace-32bit-Automizer_Default.epf [2024-11-13 15:25:48,239 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-13 15:25:48,239 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-13 15:25:48,266 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 15:25:48,267 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-13 15:25:48,267 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-13 15:25:48,268 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 15:25:48,269 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-13 15:25:48,269 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 15:25:48,269 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 15:25:48,269 INFO L153 SettingsManager]: * Use SBE=true [2024-11-13 15:25:48,270 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 15:25:48,270 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 15:25:48,270 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-13 15:25:48,270 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-13 15:25:48,270 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-13 15:25:48,270 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 15:25:48,270 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 15:25:48,270 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 15:25:48,270 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 15:25:48,271 INFO L153 SettingsManager]: * Check absence of data races in concurrent programs=true [2024-11-13 15:25:48,271 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 15:25:48,271 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-13 15:25:48,271 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-13 15:25:48,271 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 15:25:48,271 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 15:25:48,271 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 15:25:48,272 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-13 15:25:48,274 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-13 15:25:48,274 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-13 15:25:48,274 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 15:25:48,274 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 15:25:48,275 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 15:25:48,275 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-13 15:25:48,275 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-13 15:25:48,276 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-13 15:25:48,276 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-13 15:25:48,276 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-13 15:25:48,276 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-13 15:25:48,276 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC 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_e626c1f5-7de0-4d24-9d80-2a44254e314c/bin/uautomizer-verify-qhAvR1uOyd 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 ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer 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 -> 8f1ab1ba58134315bb95f4d7907dcf46708a987e1262dae752b0729e60618d99 [2024-11-13 15:25:48,674 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 15:25:48,684 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 15:25:48,687 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 15:25:48,688 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 15:25:48,689 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 15:25:48,690 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e626c1f5-7de0-4d24-9d80-2a44254e314c/bin/uautomizer-verify-qhAvR1uOyd/../../sv-benchmarks/c/weaver/test-easy8.wvr.c Unable to find full path for "g++" [2024-11-13 15:25:50,784 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 15:25:51,155 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 15:25:51,156 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e626c1f5-7de0-4d24-9d80-2a44254e314c/sv-benchmarks/c/weaver/test-easy8.wvr.c [2024-11-13 15:25:51,181 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e626c1f5-7de0-4d24-9d80-2a44254e314c/bin/uautomizer-verify-qhAvR1uOyd/data/efc75a618/65f2f0b7055342378b85b965cbc96184/FLAG778401941 [2024-11-13 15:25:51,391 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e626c1f5-7de0-4d24-9d80-2a44254e314c/bin/uautomizer-verify-qhAvR1uOyd/data/efc75a618/65f2f0b7055342378b85b965cbc96184 [2024-11-13 15:25:51,394 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 15:25:51,398 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 15:25:51,400 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 15:25:51,402 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 15:25:51,407 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 15:25:51,408 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 03:25:51" (1/1) ... [2024-11-13 15:25:51,413 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1c53a6a2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:25:51, skipping insertion in model container [2024-11-13 15:25:51,413 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 03:25:51" (1/1) ... [2024-11-13 15:25:51,435 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 15:25:51,627 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 15:25:51,634 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 15:25:51,652 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 15:25:51,667 INFO L204 MainTranslator]: Completed translation [2024-11-13 15:25:51,668 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:25:51 WrapperNode [2024-11-13 15:25:51,668 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 15:25:51,669 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 15:25:51,669 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 15:25:51,669 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 15:25:51,676 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:25:51" (1/1) ... [2024-11-13 15:25:51,682 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:25:51" (1/1) ... [2024-11-13 15:25:51,700 INFO L138 Inliner]: procedures = 20, calls = 15, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 71 [2024-11-13 15:25:51,700 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 15:25:51,701 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 15:25:51,701 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 15:25:51,701 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 15:25:51,708 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:25:51" (1/1) ... [2024-11-13 15:25:51,708 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:25:51" (1/1) ... [2024-11-13 15:25:51,710 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:25:51" (1/1) ... [2024-11-13 15:25:51,710 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:25:51" (1/1) ... [2024-11-13 15:25:51,715 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:25:51" (1/1) ... [2024-11-13 15:25:51,717 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:25:51" (1/1) ... [2024-11-13 15:25:51,718 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:25:51" (1/1) ... [2024-11-13 15:25:51,719 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:25:51" (1/1) ... [2024-11-13 15:25:51,720 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 15:25:51,721 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 15:25:51,721 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 15:25:51,721 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 15:25:51,722 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:25:51" (1/1) ... [2024-11-13 15:25:51,728 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-13 15:25:51,740 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e626c1f5-7de0-4d24-9d80-2a44254e314c/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 15:25:51,752 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e626c1f5-7de0-4d24-9d80-2a44254e314c/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-13 15:25:51,757 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e626c1f5-7de0-4d24-9d80-2a44254e314c/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-13 15:25:51,787 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 15:25:51,788 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2024-11-13 15:25:51,788 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2024-11-13 15:25:51,788 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2024-11-13 15:25:51,788 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2024-11-13 15:25:51,788 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-13 15:25:51,788 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-11-13 15:25:51,788 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-11-13 15:25:51,788 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 15:25:51,788 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 15:25:51,789 WARN L207 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-11-13 15:25:51,919 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 15:25:51,921 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 15:25:52,237 INFO L283 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-11-13 15:25:52,237 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 15:25:52,353 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 15:25:52,354 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-13 15:25:52,354 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 03:25:52 BoogieIcfgContainer [2024-11-13 15:25:52,354 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 15:25:52,357 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-13 15:25:52,357 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-13 15:25:52,363 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-13 15:25:52,364 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.11 03:25:51" (1/3) ... [2024-11-13 15:25:52,365 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2e6547e6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.11 03:25:52, skipping insertion in model container [2024-11-13 15:25:52,365 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:25:51" (2/3) ... [2024-11-13 15:25:52,365 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2e6547e6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.11 03:25:52, skipping insertion in model container [2024-11-13 15:25:52,366 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 03:25:52" (3/3) ... [2024-11-13 15:25:52,367 INFO L112 eAbstractionObserver]: Analyzing ICFG test-easy8.wvr.c [2024-11-13 15:25:52,389 INFO L217 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-13 15:25:52,391 INFO L154 ceAbstractionStarter]: Applying trace abstraction to ICFG test-easy8.wvr.c that has 3 procedures, 84 locations, 1 initial locations, 0 loop locations, and 7 error locations. [2024-11-13 15:25:52,391 INFO L492 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-11-13 15:25:52,492 INFO L143 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2024-11-13 15:25:52,544 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 90 places, 85 transitions, 184 flow [2024-11-13 15:25:52,639 INFO L124 PetriNetUnfolderBase]: 2/83 cut-off events. [2024-11-13 15:25:52,645 INFO L125 PetriNetUnfolderBase]: For 2/2 co-relation queries the response was YES. [2024-11-13 15:25:52,652 INFO L83 FinitePrefix]: Finished finitePrefix Result has 92 conditions, 83 events. 2/83 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 53 event pairs, 0 based on Foata normal form. 0/74 useless extension candidates. Maximal degree in co-relation 55. Up to 2 conditions per place. [2024-11-13 15:25:52,654 INFO L82 GeneralOperation]: Start removeDead. Operand has 90 places, 85 transitions, 184 flow [2024-11-13 15:25:52,662 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 72 places, 66 transitions, 144 flow [2024-11-13 15:25:52,680 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-13 15:25:52,700 INFO L333 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@568412b2, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-13 15:25:52,702 INFO L334 AbstractCegarLoop]: Starting to check reachability of 13 error locations. [2024-11-13 15:25:52,712 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-11-13 15:25:52,716 INFO L124 PetriNetUnfolderBase]: 0/17 cut-off events. [2024-11-13 15:25:52,716 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-13 15:25:52,716 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-13 15:25:52,717 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 15:25:52,717 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread2Err0ASSERT_VIOLATIONDATA_RACE, thread2Err1ASSERT_VIOLATIONDATA_RACE (and 9 more)] === [2024-11-13 15:25:52,722 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 15:25:52,724 INFO L85 PathProgramCache]: Analyzing trace with hash 1280629451, now seen corresponding path program 1 times [2024-11-13 15:25:52,732 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 15:25:52,733 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [303493240] [2024-11-13 15:25:52,733 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 15:25:52,734 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 15:25:52,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:25:52,979 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 15:25:52,980 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 15:25:52,980 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [303493240] [2024-11-13 15:25:52,981 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [303493240] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 15:25:52,982 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 15:25:52,983 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-13 15:25:52,985 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1651659342] [2024-11-13 15:25:52,988 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 15:25:52,997 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-13 15:25:53,004 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 15:25:53,037 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-13 15:25:53,038 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-13 15:25:53,061 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 65 out of 85 [2024-11-13 15:25:53,064 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 72 places, 66 transitions, 144 flow. Second operand has 3 states, 3 states have (on average 66.33333333333333) internal successors, (199), 3 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 15:25:53,065 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-13 15:25:53,065 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 65 of 85 [2024-11-13 15:25:53,066 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-13 15:25:53,160 INFO L124 PetriNetUnfolderBase]: 3/84 cut-off events. [2024-11-13 15:25:53,162 INFO L125 PetriNetUnfolderBase]: For 10/10 co-relation queries the response was YES. [2024-11-13 15:25:53,163 INFO L83 FinitePrefix]: Finished finitePrefix Result has 114 conditions, 84 events. 3/84 cut-off events. For 10/10 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 88 event pairs, 3 based on Foata normal form. 3/82 useless extension candidates. Maximal degree in co-relation 56. Up to 16 conditions per place. [2024-11-13 15:25:53,165 INFO L140 encePairwiseOnDemand]: 77/85 looper letters, 9 selfloop transitions, 2 changer transitions 0/60 dead transitions. [2024-11-13 15:25:53,165 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 69 places, 60 transitions, 154 flow [2024-11-13 15:25:53,167 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-13 15:25:53,169 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-13 15:25:53,182 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 212 transitions. [2024-11-13 15:25:53,187 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8313725490196079 [2024-11-13 15:25:53,190 INFO L175 Difference]: Start difference. First operand has 72 places, 66 transitions, 144 flow. Second operand 3 states and 212 transitions. [2024-11-13 15:25:53,191 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 69 places, 60 transitions, 154 flow [2024-11-13 15:25:53,197 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 65 places, 60 transitions, 146 flow, removed 0 selfloop flow, removed 4 redundant places. [2024-11-13 15:25:53,200 INFO L231 Difference]: Finished difference. Result has 65 places, 60 transitions, 128 flow [2024-11-13 15:25:53,203 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=85, PETRI_DIFFERENCE_MINUEND_FLOW=124, PETRI_DIFFERENCE_MINUEND_PLACES=63, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=60, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=58, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=128, PETRI_PLACES=65, PETRI_TRANSITIONS=60} [2024-11-13 15:25:53,208 INFO L277 CegarLoopForPetriNet]: 72 programPoint places, -7 predicate places. [2024-11-13 15:25:53,208 INFO L471 AbstractCegarLoop]: Abstraction has has 65 places, 60 transitions, 128 flow [2024-11-13 15:25:53,209 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 66.33333333333333) internal successors, (199), 3 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 15:25:53,209 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-13 15:25:53,209 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 15:25:53,210 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-13 15:25:53,210 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread2Err0ASSERT_VIOLATIONDATA_RACE, thread2Err1ASSERT_VIOLATIONDATA_RACE (and 9 more)] === [2024-11-13 15:25:53,211 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 15:25:53,211 INFO L85 PathProgramCache]: Analyzing trace with hash 1893696135, now seen corresponding path program 1 times [2024-11-13 15:25:53,211 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 15:25:53,211 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2073360537] [2024-11-13 15:25:53,211 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 15:25:53,212 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 15:25:53,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:25:53,324 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 15:25:53,324 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 15:25:53,325 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2073360537] [2024-11-13 15:25:53,325 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2073360537] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 15:25:53,325 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 15:25:53,325 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-13 15:25:53,325 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1400793529] [2024-11-13 15:25:53,325 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 15:25:53,328 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-13 15:25:53,328 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 15:25:53,329 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-13 15:25:53,329 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-13 15:25:53,371 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 64 out of 85 [2024-11-13 15:25:53,372 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 65 places, 60 transitions, 128 flow. Second operand has 3 states, 3 states have (on average 65.33333333333333) internal successors, (196), 3 states have internal predecessors, (196), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 15:25:53,372 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-13 15:25:53,372 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 64 of 85 [2024-11-13 15:25:53,372 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-13 15:25:53,451 INFO L124 PetriNetUnfolderBase]: 3/83 cut-off events. [2024-11-13 15:25:53,451 INFO L125 PetriNetUnfolderBase]: For 2/2 co-relation queries the response was YES. [2024-11-13 15:25:53,452 INFO L83 FinitePrefix]: Finished finitePrefix Result has 109 conditions, 83 events. 3/83 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 87 event pairs, 3 based on Foata normal form. 0/79 useless extension candidates. Maximal degree in co-relation 83. Up to 17 conditions per place. [2024-11-13 15:25:53,452 INFO L140 encePairwiseOnDemand]: 82/85 looper letters, 10 selfloop transitions, 2 changer transitions 0/59 dead transitions. [2024-11-13 15:25:53,452 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 66 places, 59 transitions, 150 flow [2024-11-13 15:25:53,458 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-13 15:25:53,458 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-13 15:25:53,459 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 205 transitions. [2024-11-13 15:25:53,460 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.803921568627451 [2024-11-13 15:25:53,460 INFO L175 Difference]: Start difference. First operand has 65 places, 60 transitions, 128 flow. Second operand 3 states and 205 transitions. [2024-11-13 15:25:53,460 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 66 places, 59 transitions, 150 flow [2024-11-13 15:25:53,466 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 64 places, 59 transitions, 146 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-13 15:25:53,468 INFO L231 Difference]: Finished difference. Result has 64 places, 59 transitions, 126 flow [2024-11-13 15:25:53,468 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=85, PETRI_DIFFERENCE_MINUEND_FLOW=122, PETRI_DIFFERENCE_MINUEND_PLACES=62, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=59, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=57, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=126, PETRI_PLACES=64, PETRI_TRANSITIONS=59} [2024-11-13 15:25:53,470 INFO L277 CegarLoopForPetriNet]: 72 programPoint places, -8 predicate places. [2024-11-13 15:25:53,470 INFO L471 AbstractCegarLoop]: Abstraction has has 64 places, 59 transitions, 126 flow [2024-11-13 15:25:53,471 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 65.33333333333333) internal successors, (196), 3 states have internal predecessors, (196), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 15:25:53,471 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-13 15:25:53,471 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 15:25:53,471 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-13 15:25:53,471 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread2Err0ASSERT_VIOLATIONDATA_RACE, thread2Err1ASSERT_VIOLATIONDATA_RACE (and 9 more)] === [2024-11-13 15:25:53,472 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 15:25:53,472 INFO L85 PathProgramCache]: Analyzing trace with hash 1027154565, now seen corresponding path program 1 times [2024-11-13 15:25:53,472 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 15:25:53,472 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1581868119] [2024-11-13 15:25:53,473 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 15:25:53,475 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 15:25:53,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:25:53,658 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 15:25:53,658 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 15:25:53,658 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1581868119] [2024-11-13 15:25:53,659 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1581868119] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 15:25:53,659 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 15:25:53,659 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-13 15:25:53,659 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [719467469] [2024-11-13 15:25:53,659 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 15:25:53,659 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-13 15:25:53,660 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 15:25:53,660 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-13 15:25:53,660 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-13 15:25:53,678 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 68 out of 85 [2024-11-13 15:25:53,678 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 64 places, 59 transitions, 126 flow. Second operand has 3 states, 3 states have (on average 71.0) internal successors, (213), 3 states have internal predecessors, (213), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 15:25:53,679 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-13 15:25:53,679 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 68 of 85 [2024-11-13 15:25:53,679 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-13 15:25:53,724 INFO L124 PetriNetUnfolderBase]: 3/82 cut-off events. [2024-11-13 15:25:53,724 INFO L125 PetriNetUnfolderBase]: For 3/3 co-relation queries the response was YES. [2024-11-13 15:25:53,724 INFO L83 FinitePrefix]: Finished finitePrefix Result has 104 conditions, 82 events. 3/82 cut-off events. For 3/3 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 87 event pairs, 3 based on Foata normal form. 1/79 useless extension candidates. Maximal degree in co-relation 70. Up to 14 conditions per place. [2024-11-13 15:25:53,725 INFO L140 encePairwiseOnDemand]: 83/85 looper letters, 0 selfloop transitions, 0 changer transitions 58/58 dead transitions. [2024-11-13 15:25:53,725 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 65 places, 58 transitions, 140 flow [2024-11-13 15:25:53,725 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-13 15:25:53,725 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-13 15:25:53,726 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 213 transitions. [2024-11-13 15:25:53,727 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8352941176470589 [2024-11-13 15:25:53,727 INFO L175 Difference]: Start difference. First operand has 64 places, 59 transitions, 126 flow. Second operand 3 states and 213 transitions. [2024-11-13 15:25:53,727 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 65 places, 58 transitions, 140 flow [2024-11-13 15:25:53,728 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 63 places, 58 transitions, 136 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-13 15:25:53,729 INFO L231 Difference]: Finished difference. Result has 63 places, 0 transitions, 0 flow [2024-11-13 15:25:53,729 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=85, PETRI_DIFFERENCE_MINUEND_FLOW=120, PETRI_DIFFERENCE_MINUEND_PLACES=61, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=58, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=58, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=0, PETRI_PLACES=63, PETRI_TRANSITIONS=0} [2024-11-13 15:25:53,730 INFO L277 CegarLoopForPetriNet]: 72 programPoint places, -9 predicate places. [2024-11-13 15:25:53,731 INFO L471 AbstractCegarLoop]: Abstraction has has 63 places, 0 transitions, 0 flow [2024-11-13 15:25:53,731 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 71.0) internal successors, (213), 3 states have internal predecessors, (213), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 15:25:53,734 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (12 of 13 remaining) [2024-11-13 15:25:53,735 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE (11 of 13 remaining) [2024-11-13 15:25:53,735 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (10 of 13 remaining) [2024-11-13 15:25:53,735 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (9 of 13 remaining) [2024-11-13 15:25:53,735 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (8 of 13 remaining) [2024-11-13 15:25:53,735 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (7 of 13 remaining) [2024-11-13 15:25:53,736 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (6 of 13 remaining) [2024-11-13 15:25:53,736 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (5 of 13 remaining) [2024-11-13 15:25:53,736 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (4 of 13 remaining) [2024-11-13 15:25:53,736 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (3 of 13 remaining) [2024-11-13 15:25:53,736 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE (2 of 13 remaining) [2024-11-13 15:25:53,736 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (1 of 13 remaining) [2024-11-13 15:25:53,737 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (0 of 13 remaining) [2024-11-13 15:25:53,737 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-13 15:25:53,737 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1, 1] [2024-11-13 15:25:53,743 INFO L242 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-11-13 15:25:53,743 INFO L173 ceAbstractionStarter]: Computing trace abstraction results [2024-11-13 15:25:53,751 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.11 03:25:53 BasicIcfg [2024-11-13 15:25:53,751 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-13 15:25:53,751 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-13 15:25:53,752 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-13 15:25:53,752 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-13 15:25:53,752 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 03:25:52" (3/4) ... [2024-11-13 15:25:53,756 INFO L142 WitnessPrinter]: Generating witness for correct program [2024-11-13 15:25:53,759 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread1 [2024-11-13 15:25:53,760 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread2 [2024-11-13 15:25:53,765 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 12 nodes and edges [2024-11-13 15:25:53,765 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2024-11-13 15:25:53,765 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2024-11-13 15:25:53,766 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-11-13 15:25:53,849 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e626c1f5-7de0-4d24-9d80-2a44254e314c/bin/uautomizer-verify-qhAvR1uOyd/witness.graphml [2024-11-13 15:25:53,850 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e626c1f5-7de0-4d24-9d80-2a44254e314c/bin/uautomizer-verify-qhAvR1uOyd/witness.yml [2024-11-13 15:25:53,851 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-13 15:25:53,852 INFO L158 Benchmark]: Toolchain (without parser) took 2454.86ms. Allocated memory is still 117.4MB. Free memory was 93.5MB in the beginning and 63.0MB in the end (delta: 30.5MB). Peak memory consumption was 30.6MB. Max. memory is 16.1GB. [2024-11-13 15:25:53,853 INFO L158 Benchmark]: CDTParser took 0.48ms. Allocated memory is still 117.4MB. Free memory is still 75.0MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 15:25:53,853 INFO L158 Benchmark]: CACSL2BoogieTranslator took 267.97ms. Allocated memory is still 117.4MB. Free memory was 93.3MB in the beginning and 82.3MB in the end (delta: 11.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 15:25:53,854 INFO L158 Benchmark]: Boogie Procedure Inliner took 31.70ms. Allocated memory is still 117.4MB. Free memory was 82.3MB in the beginning and 81.0MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 15:25:53,856 INFO L158 Benchmark]: Boogie Preprocessor took 19.33ms. Allocated memory is still 117.4MB. Free memory was 81.0MB in the beginning and 80.3MB in the end (delta: 757.4kB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 15:25:53,856 INFO L158 Benchmark]: RCFGBuilder took 633.47ms. Allocated memory is still 117.4MB. Free memory was 80.3MB in the beginning and 64.9MB in the end (delta: 15.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 15:25:53,856 INFO L158 Benchmark]: TraceAbstraction took 1393.78ms. Allocated memory is still 117.4MB. Free memory was 64.4MB in the beginning and 67.7MB in the end (delta: -3.3MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 15:25:53,857 INFO L158 Benchmark]: Witness Printer took 99.81ms. Allocated memory is still 117.4MB. Free memory was 67.7MB in the beginning and 63.0MB in the end (delta: 4.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 15:25:53,861 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.48ms. Allocated memory is still 117.4MB. Free memory is still 75.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 267.97ms. Allocated memory is still 117.4MB. Free memory was 93.3MB in the beginning and 82.3MB in the end (delta: 11.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 31.70ms. Allocated memory is still 117.4MB. Free memory was 82.3MB in the beginning and 81.0MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 19.33ms. Allocated memory is still 117.4MB. Free memory was 81.0MB in the beginning and 80.3MB in the end (delta: 757.4kB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * RCFGBuilder took 633.47ms. Allocated memory is still 117.4MB. Free memory was 80.3MB in the beginning and 64.9MB in the end (delta: 15.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * TraceAbstraction took 1393.78ms. Allocated memory is still 117.4MB. Free memory was 64.4MB in the beginning and 67.7MB in the end (delta: -3.3MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 99.81ms. Allocated memory is still 117.4MB. Free memory was 67.7MB in the beginning and 63.0MB in the end (delta: 4.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 43]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 45]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 55]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 56]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 65]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 66]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 74]: there are no data races For all program executions holds that there are no data races at this location - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 5 procedures, 107 locations, 13 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 0.0s, RemoveRedundantFlowTime: 0.0s, RemoveRedundantFlowUnfoldingTime: 0.0s, BackfoldingTime: 0.0s, BackfoldingUnfoldingTime: 0.0s, FlowIncreaseByBackfolding: 0, BasicCegarLoop: OverallTime: 1.2s, OverallIterations: 3, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 22 SdHoareTripleChecker+Valid, 0.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 5 mSDsluCounter, 3 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 3 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 68 IncrementalHoareTripleChecker+Invalid, 71 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 3 mSolverCounterUnsat, 3 mSDtfsCounter, 68 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=144occurred in iteration=0, InterpolantAutomatonStates: 9, traceCheckStatistics: No data available, 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: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 102 NumberOfCodeBlocks, 102 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 99 ConstructedInterpolants, 0 QuantifiedInterpolants, 105 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 3 InterpolantComputations, 3 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 7 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2024-11-13 15:25:53,890 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e626c1f5-7de0-4d24-9d80-2a44254e314c/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE