./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-data-race.prp --file ../../sv-benchmarks/c/goblint-regression/04-mutex_45-escape_rc.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_0c7d6652-394a-4e68-98ef-a6d931f787fc/bin/uautomizer-verify-qhAvR1uOyd/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c7d6652-394a-4e68-98ef-a6d931f787fc/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_0c7d6652-394a-4e68-98ef-a6d931f787fc/bin/uautomizer-verify-qhAvR1uOyd/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c7d6652-394a-4e68-98ef-a6d931f787fc/bin/uautomizer-verify-qhAvR1uOyd/config/AutomizerReach.xml -i ../../sv-benchmarks/c/goblint-regression/04-mutex_45-escape_rc.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c7d6652-394a-4e68-98ef-a6d931f787fc/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_0c7d6652-394a-4e68-98ef-a6d931f787fc/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 305ca34367a0384e1cfb307304cf4f5bc67454529c9c0988e189092c0a2626a1 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 14:57:52,174 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 14:57:52,245 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c7d6652-394a-4e68-98ef-a6d931f787fc/bin/uautomizer-verify-qhAvR1uOyd/config/svcomp-DataRace-32bit-Automizer_Default.epf [2024-11-13 14:57:52,251 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-13 14:57:52,251 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-13 14:57:52,290 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 14:57:52,292 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-13 14:57:52,292 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-13 14:57:52,293 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 14:57:52,293 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-13 14:57:52,294 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 14:57:52,295 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 14:57:52,295 INFO L153 SettingsManager]: * Use SBE=true [2024-11-13 14:57:52,295 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 14:57:52,296 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 14:57:52,296 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-13 14:57:52,296 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-13 14:57:52,296 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-13 14:57:52,297 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 14:57:52,297 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 14:57:52,297 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 14:57:52,297 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 14:57:52,297 INFO L153 SettingsManager]: * Check absence of data races in concurrent programs=true [2024-11-13 14:57:52,297 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 14:57:52,297 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-13 14:57:52,298 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-13 14:57:52,298 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 14:57:52,298 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 14:57:52,298 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 14:57:52,298 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-13 14:57:52,298 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-13 14:57:52,298 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-13 14:57:52,299 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 14:57:52,299 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 14:57:52,299 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 14:57:52,299 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-13 14:57:52,299 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-13 14:57:52,299 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-13 14:57:52,299 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-13 14:57:52,300 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-13 14:57:52,300 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-13 14:57:52,300 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_0c7d6652-394a-4e68-98ef-a6d931f787fc/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 -> 305ca34367a0384e1cfb307304cf4f5bc67454529c9c0988e189092c0a2626a1 [2024-11-13 14:57:52,666 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 14:57:52,678 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 14:57:52,681 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 14:57:52,683 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 14:57:52,683 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 14:57:52,685 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c7d6652-394a-4e68-98ef-a6d931f787fc/bin/uautomizer-verify-qhAvR1uOyd/../../sv-benchmarks/c/goblint-regression/04-mutex_45-escape_rc.i Unable to find full path for "g++" [2024-11-13 14:57:54,695 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 14:57:55,095 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 14:57:55,096 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c7d6652-394a-4e68-98ef-a6d931f787fc/sv-benchmarks/c/goblint-regression/04-mutex_45-escape_rc.i [2024-11-13 14:57:55,124 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c7d6652-394a-4e68-98ef-a6d931f787fc/bin/uautomizer-verify-qhAvR1uOyd/data/283e6556f/ab0f6b5fe3ce4f238e359d700b85d3cf/FLAG3ba5f4c5e [2024-11-13 14:57:55,276 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c7d6652-394a-4e68-98ef-a6d931f787fc/bin/uautomizer-verify-qhAvR1uOyd/data/283e6556f/ab0f6b5fe3ce4f238e359d700b85d3cf [2024-11-13 14:57:55,278 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 14:57:55,281 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 14:57:55,283 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 14:57:55,283 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 14:57:55,291 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 14:57:55,292 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 02:57:55" (1/1) ... [2024-11-13 14:57:55,293 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2a484431 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:57:55, skipping insertion in model container [2024-11-13 14:57:55,295 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 02:57:55" (1/1) ... [2024-11-13 14:57:55,341 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 14:57:55,739 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 14:57:55,753 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 14:57:55,802 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 14:57:55,859 INFO L204 MainTranslator]: Completed translation [2024-11-13 14:57:55,860 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:57:55 WrapperNode [2024-11-13 14:57:55,860 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 14:57:55,861 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 14:57:55,861 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 14:57:55,861 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 14:57:55,868 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:57:55" (1/1) ... [2024-11-13 14:57:55,886 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:57:55" (1/1) ... [2024-11-13 14:57:55,908 INFO L138 Inliner]: procedures = 266, calls = 32, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 62 [2024-11-13 14:57:55,909 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 14:57:55,909 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 14:57:55,909 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 14:57:55,909 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 14:57:55,916 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:57:55" (1/1) ... [2024-11-13 14:57:55,917 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:57:55" (1/1) ... [2024-11-13 14:57:55,920 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:57:55" (1/1) ... [2024-11-13 14:57:55,920 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:57:55" (1/1) ... [2024-11-13 14:57:55,931 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:57:55" (1/1) ... [2024-11-13 14:57:55,932 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:57:55" (1/1) ... [2024-11-13 14:57:55,934 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:57:55" (1/1) ... [2024-11-13 14:57:55,935 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:57:55" (1/1) ... [2024-11-13 14:57:55,937 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 14:57:55,938 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 14:57:55,938 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 14:57:55,938 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 14:57:55,939 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:57:55" (1/1) ... [2024-11-13 14:57:55,945 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-13 14:57:55,961 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c7d6652-394a-4e68-98ef-a6d931f787fc/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 14:57:55,975 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c7d6652-394a-4e68-98ef-a6d931f787fc/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-13 14:57:55,979 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c7d6652-394a-4e68-98ef-a6d931f787fc/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-13 14:57:56,000 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-13 14:57:56,000 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-13 14:57:56,000 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2024-11-13 14:57:56,000 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexUnlock [2024-11-13 14:57:56,001 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-11-13 14:57:56,001 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-11-13 14:57:56,001 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2024-11-13 14:57:56,001 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 14:57:56,001 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2024-11-13 14:57:56,001 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2024-11-13 14:57:56,001 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-13 14:57:56,001 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 14:57:56,001 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 14:57:56,003 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 14:57:56,177 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 14:57:56,180 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 14:57:56,466 INFO L283 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-11-13 14:57:56,466 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 14:57:56,487 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 14:57:56,487 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-13 14:57:56,488 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 02:57:56 BoogieIcfgContainer [2024-11-13 14:57:56,488 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 14:57:56,491 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-13 14:57:56,491 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-13 14:57:56,495 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-13 14:57:56,496 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.11 02:57:55" (1/3) ... [2024-11-13 14:57:56,496 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1b79000c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.11 02:57:56, skipping insertion in model container [2024-11-13 14:57:56,496 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:57:55" (2/3) ... [2024-11-13 14:57:56,497 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1b79000c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.11 02:57:56, skipping insertion in model container [2024-11-13 14:57:56,497 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 02:57:56" (3/3) ... [2024-11-13 14:57:56,498 INFO L112 eAbstractionObserver]: Analyzing ICFG 04-mutex_45-escape_rc.i [2024-11-13 14:57:56,513 INFO L217 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-13 14:57:56,515 INFO L154 ceAbstractionStarter]: Applying trace abstraction to ICFG 04-mutex_45-escape_rc.i that has 2 procedures, 91 locations, 1 initial locations, 0 loop locations, and 4 error locations. [2024-11-13 14:57:56,515 INFO L492 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-11-13 14:57:56,637 INFO L143 ThreadInstanceAdder]: Constructed 1 joinOtherThreadTransitions. [2024-11-13 14:57:56,682 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 94 places, 90 transitions, 187 flow [2024-11-13 14:57:56,743 INFO L124 PetriNetUnfolderBase]: 0/89 cut-off events. [2024-11-13 14:57:56,748 INFO L125 PetriNetUnfolderBase]: For 1/1 co-relation queries the response was YES. [2024-11-13 14:57:56,755 INFO L83 FinitePrefix]: Finished finitePrefix Result has 94 conditions, 89 events. 0/89 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 60 event pairs, 0 based on Foata normal form. 0/85 useless extension candidates. Maximal degree in co-relation 0. Up to 2 conditions per place. [2024-11-13 14:57:56,756 INFO L82 GeneralOperation]: Start removeDead. Operand has 94 places, 90 transitions, 187 flow [2024-11-13 14:57:56,761 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 86 places, 82 transitions, 167 flow [2024-11-13 14:57:56,769 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-13 14:57:56,780 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;@46af4016, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-13 14:57:56,780 INFO L334 AbstractCegarLoop]: Starting to check reachability of 7 error locations. [2024-11-13 14:57:56,796 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-11-13 14:57:56,797 INFO L124 PetriNetUnfolderBase]: 0/48 cut-off events. [2024-11-13 14:57:56,797 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-13 14:57:56,797 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-13 14:57:56,797 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] [2024-11-13 14:57:56,798 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2024-11-13 14:57:56,802 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 14:57:56,802 INFO L85 PathProgramCache]: Analyzing trace with hash -1391215277, now seen corresponding path program 1 times [2024-11-13 14:57:56,810 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 14:57:56,810 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1760380479] [2024-11-13 14:57:56,810 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 14:57:56,811 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 14:57:56,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:57:57,848 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 14:57:57,849 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 14:57:57,849 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1760380479] [2024-11-13 14:57:57,849 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1760380479] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 14:57:57,849 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 14:57:57,851 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-13 14:57:57,852 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [337036629] [2024-11-13 14:57:57,853 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 14:57:57,862 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-13 14:57:57,867 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 14:57:57,894 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-13 14:57:57,895 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-13 14:57:58,142 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 65 out of 90 [2024-11-13 14:57:58,145 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 86 places, 82 transitions, 167 flow. Second operand has 6 states, 6 states have (on average 66.5) internal successors, (399), 6 states have internal predecessors, (399), 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 14:57:58,147 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-13 14:57:58,147 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 65 of 90 [2024-11-13 14:57:58,148 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-13 14:57:58,473 INFO L124 PetriNetUnfolderBase]: 96/427 cut-off events. [2024-11-13 14:57:58,474 INFO L125 PetriNetUnfolderBase]: For 1/1 co-relation queries the response was YES. [2024-11-13 14:57:58,476 INFO L83 FinitePrefix]: Finished finitePrefix Result has 651 conditions, 427 events. 96/427 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 24. Compared 1989 event pairs, 43 based on Foata normal form. 0/400 useless extension candidates. Maximal degree in co-relation 613. Up to 170 conditions per place. [2024-11-13 14:57:58,482 INFO L140 encePairwiseOnDemand]: 79/90 looper letters, 29 selfloop transitions, 22 changer transitions 0/111 dead transitions. [2024-11-13 14:57:58,483 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 91 places, 111 transitions, 327 flow [2024-11-13 14:57:58,484 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-13 14:57:58,487 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-13 14:57:58,499 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 442 transitions. [2024-11-13 14:57:58,504 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8185185185185185 [2024-11-13 14:57:58,506 INFO L175 Difference]: Start difference. First operand has 86 places, 82 transitions, 167 flow. Second operand 6 states and 442 transitions. [2024-11-13 14:57:58,507 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 91 places, 111 transitions, 327 flow [2024-11-13 14:57:58,516 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 90 places, 111 transitions, 326 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-11-13 14:57:58,522 INFO L231 Difference]: Finished difference. Result has 95 places, 103 transitions, 316 flow [2024-11-13 14:57:58,525 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=90, PETRI_DIFFERENCE_MINUEND_FLOW=166, PETRI_DIFFERENCE_MINUEND_PLACES=85, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=82, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=72, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=316, PETRI_PLACES=95, PETRI_TRANSITIONS=103} [2024-11-13 14:57:58,529 INFO L277 CegarLoopForPetriNet]: 86 programPoint places, 9 predicate places. [2024-11-13 14:57:58,530 INFO L471 AbstractCegarLoop]: Abstraction has has 95 places, 103 transitions, 316 flow [2024-11-13 14:57:58,530 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 66.5) internal successors, (399), 6 states have internal predecessors, (399), 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 14:57:58,531 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-13 14:57:58,532 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] [2024-11-13 14:57:58,532 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-13 14:57:58,532 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2024-11-13 14:57:58,532 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 14:57:58,533 INFO L85 PathProgramCache]: Analyzing trace with hash 1677309564, now seen corresponding path program 1 times [2024-11-13 14:57:58,533 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 14:57:58,533 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [7091329] [2024-11-13 14:57:58,533 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 14:57:58,533 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 14:57:58,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:57:59,049 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 14:57:59,049 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 14:57:59,049 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [7091329] [2024-11-13 14:57:59,049 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [7091329] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 14:57:59,049 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 14:57:59,050 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-13 14:57:59,050 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1173890342] [2024-11-13 14:57:59,050 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 14:57:59,051 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-13 14:57:59,052 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 14:57:59,052 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-13 14:57:59,053 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-13 14:57:59,243 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 68 out of 90 [2024-11-13 14:57:59,244 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 95 places, 103 transitions, 316 flow. Second operand has 6 states, 6 states have (on average 69.33333333333333) internal successors, (416), 6 states have internal predecessors, (416), 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 14:57:59,244 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-13 14:57:59,244 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 68 of 90 [2024-11-13 14:57:59,244 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-13 14:57:59,512 INFO L124 PetriNetUnfolderBase]: 139/552 cut-off events. [2024-11-13 14:57:59,512 INFO L125 PetriNetUnfolderBase]: For 132/142 co-relation queries the response was YES. [2024-11-13 14:57:59,517 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1033 conditions, 552 events. 139/552 cut-off events. For 132/142 co-relation queries the response was YES. Maximal size of possible extension queue 34. Compared 2999 event pairs, 46 based on Foata normal form. 0/525 useless extension candidates. Maximal degree in co-relation 993. Up to 232 conditions per place. [2024-11-13 14:57:59,522 INFO L140 encePairwiseOnDemand]: 79/90 looper letters, 41 selfloop transitions, 26 changer transitions 0/132 dead transitions. [2024-11-13 14:57:59,523 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 100 places, 132 transitions, 526 flow [2024-11-13 14:57:59,524 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-13 14:57:59,524 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-13 14:57:59,526 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 459 transitions. [2024-11-13 14:57:59,529 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.85 [2024-11-13 14:57:59,530 INFO L175 Difference]: Start difference. First operand has 95 places, 103 transitions, 316 flow. Second operand 6 states and 459 transitions. [2024-11-13 14:57:59,530 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 100 places, 132 transitions, 526 flow [2024-11-13 14:57:59,533 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 100 places, 132 transitions, 526 flow, removed 0 selfloop flow, removed 0 redundant places. [2024-11-13 14:57:59,539 INFO L231 Difference]: Finished difference. Result has 105 places, 124 transitions, 500 flow [2024-11-13 14:57:59,539 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=90, PETRI_DIFFERENCE_MINUEND_FLOW=316, PETRI_DIFFERENCE_MINUEND_PLACES=95, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=103, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=9, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=89, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=500, PETRI_PLACES=105, PETRI_TRANSITIONS=124} [2024-11-13 14:57:59,540 INFO L277 CegarLoopForPetriNet]: 86 programPoint places, 19 predicate places. [2024-11-13 14:57:59,542 INFO L471 AbstractCegarLoop]: Abstraction has has 105 places, 124 transitions, 500 flow [2024-11-13 14:57:59,542 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 69.33333333333333) internal successors, (416), 6 states have internal predecessors, (416), 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 14:57:59,542 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-13 14:57:59,542 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] [2024-11-13 14:57:59,542 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-13 14:57:59,543 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2024-11-13 14:57:59,543 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 14:57:59,543 INFO L85 PathProgramCache]: Analyzing trace with hash 1500428245, now seen corresponding path program 1 times [2024-11-13 14:57:59,543 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 14:57:59,543 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1086554072] [2024-11-13 14:57:59,544 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 14:57:59,544 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 14:57:59,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:57:59,965 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 14:57:59,965 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 14:57:59,965 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1086554072] [2024-11-13 14:57:59,965 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1086554072] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 14:57:59,965 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 14:57:59,965 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-13 14:57:59,966 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1080147421] [2024-11-13 14:57:59,966 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 14:57:59,966 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-13 14:57:59,966 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 14:57:59,967 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-13 14:57:59,967 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-13 14:58:00,102 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 59 out of 90 [2024-11-13 14:58:00,103 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 105 places, 124 transitions, 500 flow. Second operand has 6 states, 6 states have (on average 61.5) internal successors, (369), 6 states have internal predecessors, (369), 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 14:58:00,103 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-13 14:58:00,103 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 59 of 90 [2024-11-13 14:58:00,103 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-13 14:58:00,466 INFO L124 PetriNetUnfolderBase]: 257/848 cut-off events. [2024-11-13 14:58:00,466 INFO L125 PetriNetUnfolderBase]: For 529/546 co-relation queries the response was YES. [2024-11-13 14:58:00,473 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2085 conditions, 848 events. 257/848 cut-off events. For 529/546 co-relation queries the response was YES. Maximal size of possible extension queue 52. Compared 5036 event pairs, 71 based on Foata normal form. 2/807 useless extension candidates. Maximal degree in co-relation 2038. Up to 457 conditions per place. [2024-11-13 14:58:00,477 INFO L140 encePairwiseOnDemand]: 75/90 looper letters, 67 selfloop transitions, 53 changer transitions 4/179 dead transitions. [2024-11-13 14:58:00,478 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 110 places, 179 transitions, 992 flow [2024-11-13 14:58:00,478 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-13 14:58:00,478 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-13 14:58:00,479 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 428 transitions. [2024-11-13 14:58:00,480 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.7925925925925926 [2024-11-13 14:58:00,480 INFO L175 Difference]: Start difference. First operand has 105 places, 124 transitions, 500 flow. Second operand 6 states and 428 transitions. [2024-11-13 14:58:00,480 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 110 places, 179 transitions, 992 flow [2024-11-13 14:58:00,489 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 110 places, 179 transitions, 992 flow, removed 0 selfloop flow, removed 0 redundant places. [2024-11-13 14:58:00,496 INFO L231 Difference]: Finished difference. Result has 115 places, 171 transitions, 982 flow [2024-11-13 14:58:00,496 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=90, PETRI_DIFFERENCE_MINUEND_FLOW=500, PETRI_DIFFERENCE_MINUEND_PLACES=105, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=124, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=15, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=98, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=982, PETRI_PLACES=115, PETRI_TRANSITIONS=171} [2024-11-13 14:58:00,497 INFO L277 CegarLoopForPetriNet]: 86 programPoint places, 29 predicate places. [2024-11-13 14:58:00,497 INFO L471 AbstractCegarLoop]: Abstraction has has 115 places, 171 transitions, 982 flow [2024-11-13 14:58:00,498 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 61.5) internal successors, (369), 6 states have internal predecessors, (369), 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 14:58:00,498 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-13 14:58:00,499 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] [2024-11-13 14:58:00,499 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-13 14:58:00,499 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2024-11-13 14:58:00,500 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 14:58:00,500 INFO L85 PathProgramCache]: Analyzing trace with hash -771188479, now seen corresponding path program 1 times [2024-11-13 14:58:00,500 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 14:58:00,500 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1366311538] [2024-11-13 14:58:00,500 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 14:58:00,501 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 14:58:00,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:58:00,927 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 14:58:00,927 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 14:58:00,927 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1366311538] [2024-11-13 14:58:00,927 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1366311538] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 14:58:00,927 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 14:58:00,927 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-13 14:58:00,928 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1508474556] [2024-11-13 14:58:00,928 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 14:58:00,928 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-13 14:58:00,928 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 14:58:00,929 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-13 14:58:00,929 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-13 14:58:01,064 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 62 out of 90 [2024-11-13 14:58:01,065 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 115 places, 171 transitions, 982 flow. Second operand has 6 states, 6 states have (on average 64.33333333333333) internal successors, (386), 6 states have internal predecessors, (386), 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 14:58:01,065 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-13 14:58:01,065 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 62 of 90 [2024-11-13 14:58:01,066 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-13 14:58:01,417 INFO L124 PetriNetUnfolderBase]: 368/1147 cut-off events. [2024-11-13 14:58:01,418 INFO L125 PetriNetUnfolderBase]: For 1475/1511 co-relation queries the response was YES. [2024-11-13 14:58:01,423 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3394 conditions, 1147 events. 368/1147 cut-off events. For 1475/1511 co-relation queries the response was YES. Maximal size of possible extension queue 67. Compared 7203 event pairs, 87 based on Foata normal form. 3/1115 useless extension candidates. Maximal degree in co-relation 3344. Up to 612 conditions per place. [2024-11-13 14:58:01,428 INFO L140 encePairwiseOnDemand]: 75/90 looper letters, 103 selfloop transitions, 61 changer transitions 10/232 dead transitions. [2024-11-13 14:58:01,428 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 120 places, 232 transitions, 1676 flow [2024-11-13 14:58:01,428 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-13 14:58:01,428 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-13 14:58:01,429 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 445 transitions. [2024-11-13 14:58:01,430 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8240740740740741 [2024-11-13 14:58:01,430 INFO L175 Difference]: Start difference. First operand has 115 places, 171 transitions, 982 flow. Second operand 6 states and 445 transitions. [2024-11-13 14:58:01,430 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 120 places, 232 transitions, 1676 flow [2024-11-13 14:58:01,443 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 120 places, 232 transitions, 1612 flow, removed 32 selfloop flow, removed 0 redundant places. [2024-11-13 14:58:01,447 INFO L231 Difference]: Finished difference. Result has 125 places, 218 transitions, 1504 flow [2024-11-13 14:58:01,448 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=90, PETRI_DIFFERENCE_MINUEND_FLOW=924, PETRI_DIFFERENCE_MINUEND_PLACES=115, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=171, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=23, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=137, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=1504, PETRI_PLACES=125, PETRI_TRANSITIONS=218} [2024-11-13 14:58:01,448 INFO L277 CegarLoopForPetriNet]: 86 programPoint places, 39 predicate places. [2024-11-13 14:58:01,448 INFO L471 AbstractCegarLoop]: Abstraction has has 125 places, 218 transitions, 1504 flow [2024-11-13 14:58:01,449 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 64.33333333333333) internal successors, (386), 6 states have internal predecessors, (386), 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 14:58:01,449 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-13 14:58:01,449 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] [2024-11-13 14:58:01,449 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-13 14:58:01,449 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2024-11-13 14:58:01,450 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 14:58:01,450 INFO L85 PathProgramCache]: Analyzing trace with hash 123054868, now seen corresponding path program 1 times [2024-11-13 14:58:01,450 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 14:58:01,450 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [966642948] [2024-11-13 14:58:01,450 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 14:58:01,450 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 14:58:01,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 14:58:01,479 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 14:58:01,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 14:58:01,541 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-13 14:58:01,541 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-11-13 14:58:01,544 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location t_funErr0ASSERT_VIOLATIONDATA_RACE (6 of 7 remaining) [2024-11-13 14:58:01,546 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (5 of 7 remaining) [2024-11-13 14:58:01,546 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (4 of 7 remaining) [2024-11-13 14:58:01,546 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (3 of 7 remaining) [2024-11-13 14:58:01,546 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr0ASSERT_VIOLATIONDATA_RACE (2 of 7 remaining) [2024-11-13 14:58:01,547 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr1ASSERT_VIOLATIONDATA_RACE (1 of 7 remaining) [2024-11-13 14:58:01,547 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr1ASSERT_VIOLATIONDATA_RACE (0 of 7 remaining) [2024-11-13 14:58:01,547 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-13 14:58:01,547 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1] [2024-11-13 14:58:01,594 INFO L242 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-11-13 14:58:01,594 INFO L173 ceAbstractionStarter]: Computing trace abstraction results [2024-11-13 14:58:01,600 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.11 02:58:01 BasicIcfg [2024-11-13 14:58:01,600 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-13 14:58:01,600 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-13 14:58:01,601 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-13 14:58:01,601 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-13 14:58:01,601 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 02:57:56" (3/4) ... [2024-11-13 14:58:01,605 INFO L136 WitnessPrinter]: Generating witness for reachability counterexample [2024-11-13 14:58:01,677 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c7d6652-394a-4e68-98ef-a6d931f787fc/bin/uautomizer-verify-qhAvR1uOyd/witness.graphml [2024-11-13 14:58:01,678 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-13 14:58:01,679 INFO L158 Benchmark]: Toolchain (without parser) took 6397.67ms. Allocated memory was 117.4MB in the beginning and 352.3MB in the end (delta: 234.9MB). Free memory was 91.7MB in the beginning and 219.4MB in the end (delta: -127.7MB). Peak memory consumption was 107.7MB. Max. memory is 16.1GB. [2024-11-13 14:58:01,679 INFO L158 Benchmark]: CDTParser took 0.50ms. Allocated memory is still 167.8MB. Free memory is still 105.0MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 14:58:01,680 INFO L158 Benchmark]: CACSL2BoogieTranslator took 577.95ms. Allocated memory is still 117.4MB. Free memory was 91.3MB in the beginning and 63.6MB in the end (delta: 27.7MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2024-11-13 14:58:01,680 INFO L158 Benchmark]: Boogie Procedure Inliner took 47.64ms. Allocated memory is still 117.4MB. Free memory was 63.6MB in the beginning and 61.4MB in the end (delta: 2.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 14:58:01,681 INFO L158 Benchmark]: Boogie Preprocessor took 27.87ms. Allocated memory is still 117.4MB. Free memory was 61.4MB in the beginning and 60.0MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 14:58:01,681 INFO L158 Benchmark]: RCFGBuilder took 550.20ms. Allocated memory is still 117.4MB. Free memory was 60.0MB in the beginning and 43.9MB in the end (delta: 16.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 14:58:01,682 INFO L158 Benchmark]: TraceAbstraction took 5109.36ms. Allocated memory was 117.4MB in the beginning and 352.3MB in the end (delta: 234.9MB). Free memory was 43.3MB in the beginning and 227.8MB in the end (delta: -184.5MB). Peak memory consumption was 57.4MB. Max. memory is 16.1GB. [2024-11-13 14:58:01,683 INFO L158 Benchmark]: Witness Printer took 77.41ms. Allocated memory is still 352.3MB. Free memory was 227.8MB in the beginning and 219.4MB in the end (delta: 8.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 14:58:01,684 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.50ms. Allocated memory is still 167.8MB. Free memory is still 105.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 577.95ms. Allocated memory is still 117.4MB. Free memory was 91.3MB in the beginning and 63.6MB in the end (delta: 27.7MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 47.64ms. Allocated memory is still 117.4MB. Free memory was 63.6MB in the beginning and 61.4MB in the end (delta: 2.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 27.87ms. Allocated memory is still 117.4MB. Free memory was 61.4MB in the beginning and 60.0MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 550.20ms. Allocated memory is still 117.4MB. Free memory was 60.0MB in the beginning and 43.9MB in the end (delta: 16.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * TraceAbstraction took 5109.36ms. Allocated memory was 117.4MB in the beginning and 352.3MB in the end (delta: 234.9MB). Free memory was 43.3MB in the beginning and 227.8MB in the end (delta: -184.5MB). Peak memory consumption was 57.4MB. Max. memory is 16.1GB. * Witness Printer took 77.41ms. Allocated memory is still 352.3MB. Free memory was 227.8MB in the beginning and 219.4MB in the end (delta: 8.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - DataRaceFoundResult [Line: 922]: Data race detected Data race detected The following path leads to a data race: [L917] 0 pthread_mutex_t mutex1 = { { 0, 0, 0, 0, 0, { { 0, 0 } } } }; VAL [mutex1={1:0}] [L918] 0 pthread_mutex_t mutex2 = { { 0, 0, 0, 0, 0, { { 0, 0 } } } }; VAL [mutex1={1:0}, mutex2={2:0}] [L927] 0 pthread_t id; VAL [mutex1={1:0}, mutex2={2:0}] [L928] 0 int i; VAL [i={5:0}, mutex1={1:0}, mutex2={2:0}] [L929] FCALL, FORK 0 pthread_create(&id, ((void *)0), t_fun, (void *) &i) VAL [\old(arg)={5:0}, i={5:0}, id=-1, mutex1={1:0}, mutex2={2:0}] [L931] EXPR 0 \read(i) VAL [\old(arg)={5:0}, arg={5:0}, i={5:0}, id=-1, mutex1={1:0}, mutex2={2:0}] [L931] 0 i++ VAL [\old(arg)={5:0}, arg={5:0}, i={5:0}, id=-1, mutex1={1:0}, mutex2={2:0}] [L920] 1 int *p = (int *) arg; VAL [\old(arg)={5:0}, arg={5:0}, mutex1={1:0}, mutex2={2:0}, p={5:0}] [L922] EXPR 1 \read(*p) VAL [\old(arg)={5:0}, arg={5:0}, mutex1={1:0}, mutex2={2:0}, p={5:0}] [L922] 1 (*p)++ VAL [\old(arg)={5:0}, arg={5:0}, mutex1={1:0}, mutex2={2:0}, p={5:0}] [L931] 0 i++ VAL [\old(arg)={5:0}, arg={5:0}, i={5:0}, id=-1, mutex1={1:0}, mutex2={2:0}, p={5:0}] [L922] 1 (*p)++ VAL [\old(arg)={5:0}, arg={5:0}, mutex1={1:0}, mutex2={2:0}, p={5:0}] [L931] 0 i++ VAL [\old(arg)={5:0}, arg={5:0}, i={5:0}, id=-1, mutex1={1:0}, mutex2={2:0}, p={5:0}] [L922] 1 (*p)++ VAL [\old(arg)={5:0}, arg={5:0}, mutex1={1:0}, mutex2={2:0}, p={5:0}] [L931] 0 i++ VAL [\old(arg)={5:0}, arg={5:0}, i={5:0}, id=-1, mutex1={1:0}, mutex2={2:0}, p={5:0}] [L922] 1 (*p)++ VAL [\old(arg)={5:0}, arg={5:0}, mutex1={1:0}, mutex2={2:0}, p={5:0}] [L931] 0 i++ VAL [\old(arg)={5:0}, arg={5:0}, i={5:0}, id=-1, mutex1={1:0}, mutex2={2:0}, p={5:0}] [L922] 1 (*p)++ VAL [\old(arg)={5:0}, arg={5:0}, mutex1={1:0}, mutex2={2:0}, p={5:0}] Now there is a data race (on the heap) between C: i++ [931] and C: (*p)++ [922] - UnprovableResult [Line: 931]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 931]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 929]: 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: 922]: 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, 120 locations, 7 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: 4.9s, OverallIterations: 5, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 2.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 277 SdHoareTripleChecker+Valid, 1.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 166 mSDsluCounter, 5 SdHoareTripleChecker+Invalid, 1.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 76 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 761 IncrementalHoareTripleChecker+Invalid, 837 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 76 mSolverCounterUnsat, 5 mSDtfsCounter, 761 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 24 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1504occurred in iteration=4, InterpolantAutomatonStates: 24, 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, 2.2s InterpolantComputationTime, 230 NumberOfCodeBlocks, 230 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 172 ConstructedInterpolants, 0 QuantifiedInterpolants, 496 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 14:58:01,718 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c7d6652-394a-4e68-98ef-a6d931f787fc/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 Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE