./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-data-race.prp --file ../../sv-benchmarks/c/goblint-regression/04-mutex_38-indexing_malloc.i --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_63876f90-4b68-434b-8946-2c80ed90ff3c/bin/uautomizer-verify-qhAvR1uOyd/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63876f90-4b68-434b-8946-2c80ed90ff3c/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_63876f90-4b68-434b-8946-2c80ed90ff3c/bin/uautomizer-verify-qhAvR1uOyd/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63876f90-4b68-434b-8946-2c80ed90ff3c/bin/uautomizer-verify-qhAvR1uOyd/config/AutomizerReach.xml -i ../../sv-benchmarks/c/goblint-regression/04-mutex_38-indexing_malloc.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63876f90-4b68-434b-8946-2c80ed90ff3c/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_63876f90-4b68-434b-8946-2c80ed90ff3c/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 68dea9df5539e7fcef3a5df1da960eaa713dc314a245f3b00d1aa4e0736666c8 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 15:24:18,607 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 15:24:18,707 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63876f90-4b68-434b-8946-2c80ed90ff3c/bin/uautomizer-verify-qhAvR1uOyd/config/svcomp-DataRace-32bit-Automizer_Default.epf [2024-11-13 15:24:18,713 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-13 15:24:18,713 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-13 15:24:18,740 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 15:24:18,740 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-13 15:24:18,741 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-13 15:24:18,741 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 15:24:18,741 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-13 15:24:18,742 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 15:24:18,742 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 15:24:18,742 INFO L153 SettingsManager]: * Use SBE=true [2024-11-13 15:24:18,742 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 15:24:18,743 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 15:24:18,743 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-13 15:24:18,743 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-13 15:24:18,743 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-13 15:24:18,743 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 15:24:18,743 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 15:24:18,744 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 15:24:18,744 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 15:24:18,744 INFO L153 SettingsManager]: * Check absence of data races in concurrent programs=true [2024-11-13 15:24:18,744 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 15:24:18,744 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-13 15:24:18,744 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-13 15:24:18,745 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 15:24:18,745 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 15:24:18,745 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 15:24:18,745 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-13 15:24:18,745 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-13 15:24:18,745 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-13 15:24:18,746 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 15:24:18,746 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 15:24:18,746 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 15:24:18,746 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-13 15:24:18,746 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-13 15:24:18,746 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-13 15:24:18,747 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-13 15:24:18,747 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-13 15:24:18,747 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-13 15:24:18,747 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_63876f90-4b68-434b-8946-2c80ed90ff3c/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 -> 68dea9df5539e7fcef3a5df1da960eaa713dc314a245f3b00d1aa4e0736666c8 [2024-11-13 15:24:19,107 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 15:24:19,120 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 15:24:19,126 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 15:24:19,128 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 15:24:19,128 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 15:24:19,130 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63876f90-4b68-434b-8946-2c80ed90ff3c/bin/uautomizer-verify-qhAvR1uOyd/../../sv-benchmarks/c/goblint-regression/04-mutex_38-indexing_malloc.i Unable to find full path for "g++" [2024-11-13 15:24:21,277 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 15:24:21,757 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 15:24:21,762 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63876f90-4b68-434b-8946-2c80ed90ff3c/sv-benchmarks/c/goblint-regression/04-mutex_38-indexing_malloc.i [2024-11-13 15:24:21,783 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63876f90-4b68-434b-8946-2c80ed90ff3c/bin/uautomizer-verify-qhAvR1uOyd/data/1426ba37f/f36664dfb63b450d8b76ea62dd86aab3/FLAGc428405a4 [2024-11-13 15:24:21,799 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63876f90-4b68-434b-8946-2c80ed90ff3c/bin/uautomizer-verify-qhAvR1uOyd/data/1426ba37f/f36664dfb63b450d8b76ea62dd86aab3 [2024-11-13 15:24:21,802 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 15:24:21,804 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 15:24:21,806 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 15:24:21,806 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 15:24:21,811 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 15:24:21,812 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 03:24:21" (1/1) ... [2024-11-13 15:24:21,813 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@536f5dac and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:24:21, skipping insertion in model container [2024-11-13 15:24:21,814 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 03:24:21" (1/1) ... [2024-11-13 15:24:21,855 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 15:24:22,404 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 15:24:22,428 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 15:24:22,492 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 15:24:22,568 INFO L204 MainTranslator]: Completed translation [2024-11-13 15:24:22,569 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:24:22 WrapperNode [2024-11-13 15:24:22,570 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 15:24:22,572 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 15:24:22,573 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 15:24:22,573 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 15:24:22,579 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:24:22" (1/1) ... [2024-11-13 15:24:22,594 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:24:22" (1/1) ... [2024-11-13 15:24:22,620 INFO L138 Inliner]: procedures = 261, calls = 6, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 90 [2024-11-13 15:24:22,621 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 15:24:22,622 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 15:24:22,622 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 15:24:22,622 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 15:24:22,630 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:24:22" (1/1) ... [2024-11-13 15:24:22,630 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:24:22" (1/1) ... [2024-11-13 15:24:22,634 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:24:22" (1/1) ... [2024-11-13 15:24:22,634 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:24:22" (1/1) ... [2024-11-13 15:24:22,644 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:24:22" (1/1) ... [2024-11-13 15:24:22,646 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:24:22" (1/1) ... [2024-11-13 15:24:22,648 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:24:22" (1/1) ... [2024-11-13 15:24:22,649 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:24:22" (1/1) ... [2024-11-13 15:24:22,651 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 15:24:22,652 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 15:24:22,652 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 15:24:22,653 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 15:24:22,654 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:24:22" (1/1) ... [2024-11-13 15:24:22,660 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-13 15:24:22,675 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63876f90-4b68-434b-8946-2c80ed90ff3c/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 15:24:22,695 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63876f90-4b68-434b-8946-2c80ed90ff3c/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-13 15:24:22,702 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63876f90-4b68-434b-8946-2c80ed90ff3c/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-13 15:24:22,731 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-11-13 15:24:22,732 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-13 15:24:22,732 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2024-11-13 15:24:22,732 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2024-11-13 15:24:22,732 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 15:24:22,732 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 15:24:22,733 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 15:24:22,898 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 15:24:22,901 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 15:24:23,247 INFO L283 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-11-13 15:24:23,248 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 15:24:23,278 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 15:24:23,278 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-13 15:24:23,279 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 03:24:23 BoogieIcfgContainer [2024-11-13 15:24:23,279 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 15:24:23,282 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-13 15:24:23,282 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-13 15:24:23,289 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-13 15:24:23,289 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.11 03:24:21" (1/3) ... [2024-11-13 15:24:23,290 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@17c154bc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.11 03:24:23, skipping insertion in model container [2024-11-13 15:24:23,290 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:24:22" (2/3) ... [2024-11-13 15:24:23,291 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@17c154bc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.11 03:24:23, skipping insertion in model container [2024-11-13 15:24:23,291 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 03:24:23" (3/3) ... [2024-11-13 15:24:23,293 INFO L112 eAbstractionObserver]: Analyzing ICFG 04-mutex_38-indexing_malloc.i [2024-11-13 15:24:23,314 INFO L217 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-13 15:24:23,316 INFO L154 ceAbstractionStarter]: Applying trace abstraction to ICFG 04-mutex_38-indexing_malloc.i that has 2 procedures, 114 locations, 1 initial locations, 0 loop locations, and 5 error locations. [2024-11-13 15:24:23,316 INFO L492 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-11-13 15:24:23,416 INFO L143 ThreadInstanceAdder]: Constructed 1 joinOtherThreadTransitions. [2024-11-13 15:24:23,491 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 117 places, 113 transitions, 233 flow [2024-11-13 15:24:23,600 INFO L124 PetriNetUnfolderBase]: 0/112 cut-off events. [2024-11-13 15:24:23,603 INFO L125 PetriNetUnfolderBase]: For 1/1 co-relation queries the response was YES. [2024-11-13 15:24:23,607 INFO L83 FinitePrefix]: Finished finitePrefix Result has 117 conditions, 112 events. 0/112 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 37 event pairs, 0 based on Foata normal form. 0/107 useless extension candidates. Maximal degree in co-relation 0. Up to 2 conditions per place. [2024-11-13 15:24:23,607 INFO L82 GeneralOperation]: Start removeDead. Operand has 117 places, 113 transitions, 233 flow [2024-11-13 15:24:23,612 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 111 places, 107 transitions, 217 flow [2024-11-13 15:24:23,622 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-13 15:24:23,640 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;@23e5fdb4, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-13 15:24:23,640 INFO L334 AbstractCegarLoop]: Starting to check reachability of 8 error locations. [2024-11-13 15:24:23,677 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-11-13 15:24:23,678 INFO L124 PetriNetUnfolderBase]: 0/70 cut-off events. [2024-11-13 15:24:23,678 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-13 15:24:23,678 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-13 15:24:23,681 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 15:24:23,681 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 5 more)] === [2024-11-13 15:24:23,691 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 15:24:23,691 INFO L85 PathProgramCache]: Analyzing trace with hash 129612417, now seen corresponding path program 1 times [2024-11-13 15:24:23,701 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 15:24:23,701 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1266187762] [2024-11-13 15:24:23,703 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 15:24:23,704 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 15:24:23,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:24:24,152 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 15:24:24,153 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 15:24:24,153 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1266187762] [2024-11-13 15:24:24,154 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1266187762] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 15:24:24,154 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 15:24:24,154 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-13 15:24:24,156 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [924454060] [2024-11-13 15:24:24,156 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 15:24:24,164 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-13 15:24:24,169 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 15:24:24,193 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-13 15:24:24,194 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-13 15:24:24,231 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 102 out of 113 [2024-11-13 15:24:24,234 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 111 places, 107 transitions, 217 flow. Second operand has 3 states, 3 states have (on average 103.33333333333333) internal successors, (310), 3 states have internal predecessors, (310), 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 15:24:24,234 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-13 15:24:24,235 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 102 of 113 [2024-11-13 15:24:24,235 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-13 15:24:24,283 INFO L124 PetriNetUnfolderBase]: 1/121 cut-off events. [2024-11-13 15:24:24,283 INFO L125 PetriNetUnfolderBase]: For 1/1 co-relation queries the response was YES. [2024-11-13 15:24:24,285 INFO L83 FinitePrefix]: Finished finitePrefix Result has 136 conditions, 121 events. 1/121 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 92 event pairs, 1 based on Foata normal form. 0/114 useless extension candidates. Maximal degree in co-relation 48. Up to 9 conditions per place. [2024-11-13 15:24:24,287 INFO L140 encePairwiseOnDemand]: 110/113 looper letters, 6 selfloop transitions, 2 changer transitions 0/106 dead transitions. [2024-11-13 15:24:24,287 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 112 places, 106 transitions, 231 flow [2024-11-13 15:24:24,288 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-13 15:24:24,291 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-13 15:24:24,302 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 315 transitions. [2024-11-13 15:24:24,305 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9292035398230089 [2024-11-13 15:24:24,307 INFO L175 Difference]: Start difference. First operand has 111 places, 107 transitions, 217 flow. Second operand 3 states and 315 transitions. [2024-11-13 15:24:24,309 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 112 places, 106 transitions, 231 flow [2024-11-13 15:24:24,319 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 111 places, 106 transitions, 230 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-11-13 15:24:24,325 INFO L231 Difference]: Finished difference. Result has 111 places, 106 transitions, 218 flow [2024-11-13 15:24:24,332 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=113, PETRI_DIFFERENCE_MINUEND_FLOW=214, PETRI_DIFFERENCE_MINUEND_PLACES=109, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=106, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=104, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=218, PETRI_PLACES=111, PETRI_TRANSITIONS=106} [2024-11-13 15:24:24,339 INFO L277 CegarLoopForPetriNet]: 111 programPoint places, 0 predicate places. [2024-11-13 15:24:24,339 INFO L471 AbstractCegarLoop]: Abstraction has has 111 places, 106 transitions, 218 flow [2024-11-13 15:24:24,340 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 103.33333333333333) internal successors, (310), 3 states have internal predecessors, (310), 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 15:24:24,340 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-13 15:24:24,340 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, 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 15:24:24,340 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-13 15:24:24,341 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 5 more)] === [2024-11-13 15:24:24,341 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 15:24:24,342 INFO L85 PathProgramCache]: Analyzing trace with hash -1866070370, now seen corresponding path program 1 times [2024-11-13 15:24:24,342 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 15:24:24,342 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [434163846] [2024-11-13 15:24:24,342 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 15:24:24,342 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 15:24:24,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:24:24,559 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 15:24:24,559 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 15:24:24,560 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [434163846] [2024-11-13 15:24:24,560 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [434163846] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 15:24:24,560 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 15:24:24,560 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-13 15:24:24,560 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [682736730] [2024-11-13 15:24:24,560 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 15:24:24,561 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-13 15:24:24,564 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 15:24:24,565 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-13 15:24:24,565 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-13 15:24:24,593 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 104 out of 113 [2024-11-13 15:24:24,594 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 111 places, 106 transitions, 218 flow. Second operand has 3 states, 3 states have (on average 105.33333333333333) internal successors, (316), 3 states have internal predecessors, (316), 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 15:24:24,594 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-13 15:24:24,594 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 104 of 113 [2024-11-13 15:24:24,594 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-13 15:24:24,675 INFO L124 PetriNetUnfolderBase]: 4/130 cut-off events. [2024-11-13 15:24:24,675 INFO L125 PetriNetUnfolderBase]: For 1/1 co-relation queries the response was YES. [2024-11-13 15:24:24,675 INFO L83 FinitePrefix]: Finished finitePrefix Result has 151 conditions, 130 events. 4/130 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 144 event pairs, 2 based on Foata normal form. 0/126 useless extension candidates. Maximal degree in co-relation 72. Up to 12 conditions per place. [2024-11-13 15:24:24,676 INFO L140 encePairwiseOnDemand]: 109/113 looper letters, 6 selfloop transitions, 2 changer transitions 0/106 dead transitions. [2024-11-13 15:24:24,676 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 111 places, 106 transitions, 234 flow [2024-11-13 15:24:24,677 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-13 15:24:24,678 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-13 15:24:24,679 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 322 transitions. [2024-11-13 15:24:24,680 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9498525073746312 [2024-11-13 15:24:24,680 INFO L175 Difference]: Start difference. First operand has 111 places, 106 transitions, 218 flow. Second operand 3 states and 322 transitions. [2024-11-13 15:24:24,680 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 111 places, 106 transitions, 234 flow [2024-11-13 15:24:24,685 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 109 places, 106 transitions, 230 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-13 15:24:24,691 INFO L231 Difference]: Finished difference. Result has 110 places, 106 transitions, 224 flow [2024-11-13 15:24:24,691 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=113, PETRI_DIFFERENCE_MINUEND_FLOW=210, PETRI_DIFFERENCE_MINUEND_PLACES=107, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=104, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=102, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=224, PETRI_PLACES=110, PETRI_TRANSITIONS=106} [2024-11-13 15:24:24,692 INFO L277 CegarLoopForPetriNet]: 111 programPoint places, -1 predicate places. [2024-11-13 15:24:24,692 INFO L471 AbstractCegarLoop]: Abstraction has has 110 places, 106 transitions, 224 flow [2024-11-13 15:24:24,693 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 105.33333333333333) internal successors, (316), 3 states have internal predecessors, (316), 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 15:24:24,693 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-13 15:24:24,693 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, 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 15:24:24,693 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-13 15:24:24,693 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 5 more)] === [2024-11-13 15:24:24,694 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 15:24:24,694 INFO L85 PathProgramCache]: Analyzing trace with hash 245206922, now seen corresponding path program 1 times [2024-11-13 15:24:24,694 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 15:24:24,694 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1837488974] [2024-11-13 15:24:24,694 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 15:24:24,696 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 15:24:24,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:24:25,913 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 15:24:25,913 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 15:24:25,913 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1837488974] [2024-11-13 15:24:25,913 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1837488974] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 15:24:25,914 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 15:24:25,914 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-13 15:24:25,914 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1507485905] [2024-11-13 15:24:25,914 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 15:24:25,914 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-13 15:24:25,915 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 15:24:25,915 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-13 15:24:25,915 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-13 15:24:26,031 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 96 out of 113 [2024-11-13 15:24:26,033 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 110 places, 106 transitions, 224 flow. Second operand has 6 states, 6 states have (on average 97.5) internal successors, (585), 6 states have internal predecessors, (585), 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 15:24:26,033 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-13 15:24:26,033 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 96 of 113 [2024-11-13 15:24:26,033 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-13 15:24:26,301 INFO L124 PetriNetUnfolderBase]: 85/323 cut-off events. [2024-11-13 15:24:26,301 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-13 15:24:26,304 INFO L83 FinitePrefix]: Finished finitePrefix Result has 533 conditions, 323 events. 85/323 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 26. Compared 1168 event pairs, 17 based on Foata normal form. 0/311 useless extension candidates. Maximal degree in co-relation 448. Up to 96 conditions per place. [2024-11-13 15:24:26,306 INFO L140 encePairwiseOnDemand]: 101/113 looper letters, 27 selfloop transitions, 25 changer transitions 4/146 dead transitions. [2024-11-13 15:24:26,308 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 115 places, 146 transitions, 416 flow [2024-11-13 15:24:26,309 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-13 15:24:26,309 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-13 15:24:26,311 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 633 transitions. [2024-11-13 15:24:26,315 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9336283185840708 [2024-11-13 15:24:26,315 INFO L175 Difference]: Start difference. First operand has 110 places, 106 transitions, 224 flow. Second operand 6 states and 633 transitions. [2024-11-13 15:24:26,316 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 115 places, 146 transitions, 416 flow [2024-11-13 15:24:26,318 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 115 places, 146 transitions, 416 flow, removed 0 selfloop flow, removed 0 redundant places. [2024-11-13 15:24:26,322 INFO L231 Difference]: Finished difference. Result has 119 places, 131 transitions, 390 flow [2024-11-13 15:24:26,323 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=113, PETRI_DIFFERENCE_MINUEND_FLOW=224, PETRI_DIFFERENCE_MINUEND_PLACES=110, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=106, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=6, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=95, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=390, PETRI_PLACES=119, PETRI_TRANSITIONS=131} [2024-11-13 15:24:26,324 INFO L277 CegarLoopForPetriNet]: 111 programPoint places, 8 predicate places. [2024-11-13 15:24:26,325 INFO L471 AbstractCegarLoop]: Abstraction has has 119 places, 131 transitions, 390 flow [2024-11-13 15:24:26,326 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 97.5) internal successors, (585), 6 states have internal predecessors, (585), 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 15:24:26,326 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-13 15:24:26,326 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, 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 15:24:26,326 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-13 15:24:26,327 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 5 more)] === [2024-11-13 15:24:26,327 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 15:24:26,330 INFO L85 PathProgramCache]: Analyzing trace with hash -814960087, now seen corresponding path program 1 times [2024-11-13 15:24:26,330 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 15:24:26,330 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1885625100] [2024-11-13 15:24:26,330 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 15:24:26,330 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 15:24:26,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:24:27,067 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 15:24:27,069 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 15:24:27,069 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1885625100] [2024-11-13 15:24:27,069 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1885625100] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 15:24:27,070 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 15:24:27,070 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-13 15:24:27,070 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1770041542] [2024-11-13 15:24:27,070 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 15:24:27,070 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-13 15:24:27,071 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 15:24:27,071 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-13 15:24:27,071 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-13 15:24:27,188 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 94 out of 113 [2024-11-13 15:24:27,189 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 119 places, 131 transitions, 390 flow. Second operand has 6 states, 6 states have (on average 95.66666666666667) internal successors, (574), 6 states have internal predecessors, (574), 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 15:24:27,189 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-13 15:24:27,189 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 94 of 113 [2024-11-13 15:24:27,189 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-13 15:24:27,388 INFO L124 PetriNetUnfolderBase]: 140/458 cut-off events. [2024-11-13 15:24:27,388 INFO L125 PetriNetUnfolderBase]: For 190/198 co-relation queries the response was YES. [2024-11-13 15:24:27,390 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1183 conditions, 458 events. 140/458 cut-off events. For 190/198 co-relation queries the response was YES. Maximal size of possible extension queue 46. Compared 2032 event pairs, 18 based on Foata normal form. 13/470 useless extension candidates. Maximal degree in co-relation 1092. Up to 160 conditions per place. [2024-11-13 15:24:27,397 INFO L140 encePairwiseOnDemand]: 101/113 looper letters, 40 selfloop transitions, 31 changer transitions 18/181 dead transitions. [2024-11-13 15:24:27,397 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 124 places, 181 transitions, 778 flow [2024-11-13 15:24:27,399 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-13 15:24:27,399 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-13 15:24:27,401 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 622 transitions. [2024-11-13 15:24:27,401 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9174041297935103 [2024-11-13 15:24:27,401 INFO L175 Difference]: Start difference. First operand has 119 places, 131 transitions, 390 flow. Second operand 6 states and 622 transitions. [2024-11-13 15:24:27,402 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 124 places, 181 transitions, 778 flow [2024-11-13 15:24:27,424 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 124 places, 181 transitions, 778 flow, removed 0 selfloop flow, removed 0 redundant places. [2024-11-13 15:24:27,431 INFO L231 Difference]: Finished difference. Result has 128 places, 152 transitions, 612 flow [2024-11-13 15:24:27,432 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=113, PETRI_DIFFERENCE_MINUEND_FLOW=390, PETRI_DIFFERENCE_MINUEND_PLACES=119, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=131, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=13, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=113, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=612, PETRI_PLACES=128, PETRI_TRANSITIONS=152} [2024-11-13 15:24:27,433 INFO L277 CegarLoopForPetriNet]: 111 programPoint places, 17 predicate places. [2024-11-13 15:24:27,433 INFO L471 AbstractCegarLoop]: Abstraction has has 128 places, 152 transitions, 612 flow [2024-11-13 15:24:27,433 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 95.66666666666667) internal successors, (574), 6 states have internal predecessors, (574), 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 15:24:27,434 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-13 15:24:27,434 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, 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 15:24:27,434 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-13 15:24:27,434 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 5 more)] === [2024-11-13 15:24:27,436 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 15:24:27,436 INFO L85 PathProgramCache]: Analyzing trace with hash 981469301, now seen corresponding path program 1 times [2024-11-13 15:24:27,436 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 15:24:27,436 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [358042163] [2024-11-13 15:24:27,436 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 15:24:27,436 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 15:24:27,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 15:24:27,489 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 15:24:27,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 15:24:27,577 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-13 15:24:27,577 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-11-13 15:24:27,579 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location t_funErr1ASSERT_VIOLATIONDATA_RACE (7 of 8 remaining) [2024-11-13 15:24:27,580 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (6 of 8 remaining) [2024-11-13 15:24:27,581 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (5 of 8 remaining) [2024-11-13 15:24:27,581 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (4 of 8 remaining) [2024-11-13 15:24:27,581 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (3 of 8 remaining) [2024-11-13 15:24:27,581 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr0ASSERT_VIOLATIONDATA_RACE (2 of 8 remaining) [2024-11-13 15:24:27,581 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr1ASSERT_VIOLATIONDATA_RACE (1 of 8 remaining) [2024-11-13 15:24:27,581 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr0ASSERT_VIOLATIONDATA_RACE (0 of 8 remaining) [2024-11-13 15:24:27,582 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-13 15:24:27,582 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1] [2024-11-13 15:24:27,675 INFO L242 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-11-13 15:24:27,676 INFO L173 ceAbstractionStarter]: Computing trace abstraction results [2024-11-13 15:24:27,682 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.11 03:24:27 BasicIcfg [2024-11-13 15:24:27,682 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-13 15:24:27,683 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-13 15:24:27,683 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-13 15:24:27,683 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-13 15:24:27,684 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 03:24:23" (3/4) ... [2024-11-13 15:24:27,685 INFO L136 WitnessPrinter]: Generating witness for reachability counterexample [2024-11-13 15:24:27,764 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63876f90-4b68-434b-8946-2c80ed90ff3c/bin/uautomizer-verify-qhAvR1uOyd/witness.graphml [2024-11-13 15:24:27,765 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-13 15:24:27,765 INFO L158 Benchmark]: Toolchain (without parser) took 5961.79ms. Allocated memory is still 117.4MB. Free memory was 90.6MB in the beginning and 52.5MB in the end (delta: 38.1MB). Peak memory consumption was 36.1MB. Max. memory is 16.1GB. [2024-11-13 15:24:27,766 INFO L158 Benchmark]: CDTParser took 1.12ms. Allocated memory is still 117.4MB. Free memory was 73.8MB in the beginning and 73.7MB in the end (delta: 83.9kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 15:24:27,766 INFO L158 Benchmark]: CACSL2BoogieTranslator took 765.08ms. Allocated memory is still 117.4MB. Free memory was 90.4MB in the beginning and 63.3MB in the end (delta: 27.0MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2024-11-13 15:24:27,766 INFO L158 Benchmark]: Boogie Procedure Inliner took 48.56ms. Allocated memory is still 117.4MB. Free memory was 63.3MB in the beginning and 61.4MB in the end (delta: 1.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 15:24:27,766 INFO L158 Benchmark]: Boogie Preprocessor took 30.00ms. Allocated memory is still 117.4MB. Free memory was 61.4MB in the beginning and 59.9MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 15:24:27,767 INFO L158 Benchmark]: RCFGBuilder took 626.93ms. Allocated memory is still 117.4MB. Free memory was 59.9MB in the beginning and 45.7MB in the end (delta: 14.2MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-13 15:24:27,767 INFO L158 Benchmark]: TraceAbstraction took 4400.12ms. Allocated memory is still 117.4MB. Free memory was 45.1MB in the beginning and 63.1MB in the end (delta: -18.0MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 15:24:27,767 INFO L158 Benchmark]: Witness Printer took 82.06ms. Allocated memory is still 117.4MB. Free memory was 63.1MB in the beginning and 52.5MB in the end (delta: 10.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 15:24:27,769 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.12ms. Allocated memory is still 117.4MB. Free memory was 73.8MB in the beginning and 73.7MB in the end (delta: 83.9kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 765.08ms. Allocated memory is still 117.4MB. Free memory was 90.4MB in the beginning and 63.3MB in the end (delta: 27.0MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 48.56ms. Allocated memory is still 117.4MB. Free memory was 63.3MB in the beginning and 61.4MB in the end (delta: 1.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 30.00ms. Allocated memory is still 117.4MB. Free memory was 61.4MB in the beginning and 59.9MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 626.93ms. Allocated memory is still 117.4MB. Free memory was 59.9MB in the beginning and 45.7MB in the end (delta: 14.2MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * TraceAbstraction took 4400.12ms. Allocated memory is still 117.4MB. Free memory was 45.1MB in the beginning and 63.1MB in the end (delta: -18.0MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 82.06ms. Allocated memory is still 117.4MB. Free memory was 63.1MB in the beginning and 52.5MB in the end (delta: 10.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - DataRaceFoundResult [Line: 990]: Data race detected Data race detected The following path leads to a data race: [L987] 0 int* s; VAL [s={0:0}] [L988] 0 pthread_mutex_t mutex = { { 0, 0, 0, 0, 0, { { 0, 0 } } } }; VAL [s={0:0}] [L994] 0 pthread_t id; VAL [s={0:0}] [L995] 0 s = (int*)malloc(sizeof(int)) VAL [s={-2:0}] [L996] FCALL, FORK 0 pthread_create(&id, ((void *)0), t_fun, ((void *)0)) VAL [\old(arg)={0:0}, id=-1, s={-2:0}] [L990] EXPR 1 s[0] VAL [\old(arg)={0:0}, arg={0:0}, s={-2:0}] [L990] 1 s[0] = 8 VAL [\old(arg)={0:0}, arg={0:0}, s={-2:0}] [L997] EXPR 0 s[0] VAL [\old(arg)={0:0}, arg={0:0}, id=-1, s={-2:0}] [L997] 0 s[0] = 9 VAL [\old(arg)={0:0}, arg={0:0}, id=-1, s={-2:0}] [L990] 1 s[0] = 8 VAL [\old(arg)={0:0}, arg={0:0}, s={-2:0}] [L997] 0 s[0] = 9 VAL [\old(arg)={0:0}, arg={0:0}, id=-1, s={-2:0}] [L990] 1 s[0] = 8 VAL [\old(arg)={0:0}, arg={0:0}, s={-2:0}] Now there is a data race, but we were unable to determine exactly which statements and variables are involved. There could be a race between one of the statements * C: s = (int*)malloc(sizeof(int)) [995] * C: s[0] [990] * C: s[0] [997] * C: s[0] = 9 [997] and C: s[0] = 8 [990] - UnprovableResult [Line: 995]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 997]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 997]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 996]: Unable to prove that petrification did provide enough thread instances (tool internal message) Unable to prove that petrification did provide enough thread instances (tool internal message) Reason: Not analyzed. - UnprovableResult [Line: 990]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 3 procedures, 131 locations, 8 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: 4.1s, OverallIterations: 5, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 1.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.2s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 86 SdHoareTripleChecker+Valid, 0.5s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 43 mSDsluCounter, 16 SdHoareTripleChecker+Invalid, 0.4s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 48 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 213 IncrementalHoareTripleChecker+Invalid, 261 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 48 mSolverCounterUnsat, 16 mSDtfsCounter, 213 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 16 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=612occurred in iteration=4, InterpolantAutomatonStates: 18, 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: 0.1s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 2.1s InterpolantComputationTime, 420 NumberOfCodeBlocks, 420 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 322 ConstructedInterpolants, 0 QuantifiedInterpolants, 488 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 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 RESULT: Ultimate proved your program to be incorrect! [2024-11-13 15:24:27,800 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63876f90-4b68-434b-8946-2c80ed90ff3c/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (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