./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-data-race.prp --file ../../sv-benchmarks/c/goblint-regression/04-mutex_35-trylock_rc.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version d790fecc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87618beb-9900-4cf9-9e99-6179a4d57e00/bin/uautomizer-verify-aQ6SnzHsRB/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87618beb-9900-4cf9-9e99-6179a4d57e00/bin/uautomizer-verify-aQ6SnzHsRB/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87618beb-9900-4cf9-9e99-6179a4d57e00/bin/uautomizer-verify-aQ6SnzHsRB/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87618beb-9900-4cf9-9e99-6179a4d57e00/bin/uautomizer-verify-aQ6SnzHsRB/config/AutomizerReach.xml -i ../../sv-benchmarks/c/goblint-regression/04-mutex_35-trylock_rc.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87618beb-9900-4cf9-9e99-6179a4d57e00/bin/uautomizer-verify-aQ6SnzHsRB/config/svcomp-DataRace-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87618beb-9900-4cf9-9e99-6179a4d57e00/bin/uautomizer-verify-aQ6SnzHsRB --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 bc4ff81e27c3c9c08a24375d30c2902a85848d2bd345364dfe2b3c3839c5dc11 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-28 05:22:26,025 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-28 05:22:26,128 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87618beb-9900-4cf9-9e99-6179a4d57e00/bin/uautomizer-verify-aQ6SnzHsRB/config/svcomp-DataRace-32bit-Automizer_Default.epf [2024-11-28 05:22:26,138 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-28 05:22:26,139 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-28 05:22:26,177 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-28 05:22:26,178 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-28 05:22:26,178 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-28 05:22:26,178 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-28 05:22:26,178 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-28 05:22:26,179 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-28 05:22:26,179 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-28 05:22:26,179 INFO L153 SettingsManager]: * Use SBE=true [2024-11-28 05:22:26,179 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-28 05:22:26,179 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-28 05:22:26,179 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-28 05:22:26,179 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-28 05:22:26,179 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-28 05:22:26,180 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-28 05:22:26,180 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-28 05:22:26,180 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-28 05:22:26,180 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-28 05:22:26,180 INFO L153 SettingsManager]: * Check absence of data races in concurrent programs=true [2024-11-28 05:22:26,180 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-28 05:22:26,180 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-28 05:22:26,180 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-28 05:22:26,180 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-28 05:22:26,180 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-28 05:22:26,181 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-28 05:22:26,181 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-28 05:22:26,181 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-28 05:22:26,181 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 05:22:26,181 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-28 05:22:26,181 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-28 05:22:26,181 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-28 05:22:26,181 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 05:22:26,181 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-28 05:22:26,181 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-28 05:22:26,181 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-11-28 05:22:26,182 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-28 05:22:26,182 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-28 05:22:26,182 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-28 05:22:26,182 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-28 05:22:26,182 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-28 05:22:26,182 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-28 05:22:26,182 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-28 05:22:26,182 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_87618beb-9900-4cf9-9e99-6179a4d57e00/bin/uautomizer-verify-aQ6SnzHsRB 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 -> bc4ff81e27c3c9c08a24375d30c2902a85848d2bd345364dfe2b3c3839c5dc11 [2024-11-28 05:22:26,539 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-28 05:22:26,548 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-28 05:22:26,552 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-28 05:22:26,553 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-28 05:22:26,555 INFO L274 PluginConnector]: CDTParser initialized [2024-11-28 05:22:26,556 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87618beb-9900-4cf9-9e99-6179a4d57e00/bin/uautomizer-verify-aQ6SnzHsRB/../../sv-benchmarks/c/goblint-regression/04-mutex_35-trylock_rc.i [2024-11-28 05:22:30,157 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87618beb-9900-4cf9-9e99-6179a4d57e00/bin/uautomizer-verify-aQ6SnzHsRB/data/6b4b5d170/f6eae4050ae8411a97d5b10827de16c4/FLAG03b4f4125 [2024-11-28 05:22:30,641 INFO L384 CDTParser]: Found 1 translation units. [2024-11-28 05:22:30,642 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87618beb-9900-4cf9-9e99-6179a4d57e00/sv-benchmarks/c/goblint-regression/04-mutex_35-trylock_rc.i [2024-11-28 05:22:30,688 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87618beb-9900-4cf9-9e99-6179a4d57e00/bin/uautomizer-verify-aQ6SnzHsRB/data/6b4b5d170/f6eae4050ae8411a97d5b10827de16c4/FLAG03b4f4125 [2024-11-28 05:22:30,735 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87618beb-9900-4cf9-9e99-6179a4d57e00/bin/uautomizer-verify-aQ6SnzHsRB/data/6b4b5d170/f6eae4050ae8411a97d5b10827de16c4 [2024-11-28 05:22:30,738 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-28 05:22:30,740 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-28 05:22:30,743 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-28 05:22:30,743 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-28 05:22:30,749 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-28 05:22:30,750 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 05:22:30" (1/1) ... [2024-11-28 05:22:30,751 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6c31ee22 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:22:30, skipping insertion in model container [2024-11-28 05:22:30,751 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 05:22:30" (1/1) ... [2024-11-28 05:22:30,825 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-28 05:22:31,883 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-28 05:22:31,906 INFO L200 MainTranslator]: Completed pre-run [2024-11-28 05:22:31,983 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-28 05:22:32,183 INFO L204 MainTranslator]: Completed translation [2024-11-28 05:22:32,184 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:22:32 WrapperNode [2024-11-28 05:22:32,184 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-28 05:22:32,186 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-28 05:22:32,186 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-28 05:22:32,186 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-28 05:22:32,194 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:22:32" (1/1) ... [2024-11-28 05:22:32,237 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:22:32" (1/1) ... [2024-11-28 05:22:32,282 INFO L138 Inliner]: procedures = 525, calls = 30, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 113 [2024-11-28 05:22:32,284 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-28 05:22:32,285 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-28 05:22:32,285 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-28 05:22:32,285 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-28 05:22:32,293 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:22:32" (1/1) ... [2024-11-28 05:22:32,293 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:22:32" (1/1) ... [2024-11-28 05:22:32,301 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:22:32" (1/1) ... [2024-11-28 05:22:32,305 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:22:32" (1/1) ... [2024-11-28 05:22:32,325 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:22:32" (1/1) ... [2024-11-28 05:22:32,327 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:22:32" (1/1) ... [2024-11-28 05:22:32,334 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:22:32" (1/1) ... [2024-11-28 05:22:32,338 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:22:32" (1/1) ... [2024-11-28 05:22:32,340 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:22:32" (1/1) ... [2024-11-28 05:22:32,345 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-28 05:22:32,346 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-28 05:22:32,347 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-28 05:22:32,347 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-28 05:22:32,348 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:22:32" (1/1) ... [2024-11-28 05:22:32,354 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 05:22:32,374 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87618beb-9900-4cf9-9e99-6179a4d57e00/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 05:22:32,389 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87618beb-9900-4cf9-9e99-6179a4d57e00/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-28 05:22:32,393 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87618beb-9900-4cf9-9e99-6179a4d57e00/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-28 05:22:32,425 INFO L130 BoogieDeclarations]: Found specification of procedure counter_thread [2024-11-28 05:22:32,425 INFO L138 BoogieDeclarations]: Found implementation of procedure counter_thread [2024-11-28 05:22:32,425 INFO L130 BoogieDeclarations]: Found specification of procedure monitor_thread [2024-11-28 05:22:32,425 INFO L138 BoogieDeclarations]: Found implementation of procedure monitor_thread [2024-11-28 05:22:32,425 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2024-11-28 05:22:32,425 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-28 05:22:32,426 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-28 05:22:32,426 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-28 05:22:32,426 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-28 05:22:32,426 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexTryLock [2024-11-28 05:22:32,427 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexUnlock [2024-11-28 05:22:32,427 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-11-28 05:22:32,427 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-28 05:22:32,429 WARN L203 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-11-28 05:22:32,773 INFO L234 CfgBuilder]: Building ICFG [2024-11-28 05:22:32,775 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-28 05:22:33,202 INFO L279 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-11-28 05:22:33,202 INFO L283 CfgBuilder]: Performing block encoding [2024-11-28 05:22:33,231 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-28 05:22:33,231 INFO L312 CfgBuilder]: Removed 11 assume(true) statements. [2024-11-28 05:22:33,232 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 05:22:33 BoogieIcfgContainer [2024-11-28 05:22:33,232 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-28 05:22:33,234 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-28 05:22:33,235 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-28 05:22:33,240 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-28 05:22:33,241 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.11 05:22:30" (1/3) ... [2024-11-28 05:22:33,241 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@372998f4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 05:22:33, skipping insertion in model container [2024-11-28 05:22:33,242 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:22:32" (2/3) ... [2024-11-28 05:22:33,242 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@372998f4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 05:22:33, skipping insertion in model container [2024-11-28 05:22:33,242 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 05:22:33" (3/3) ... [2024-11-28 05:22:33,243 INFO L128 eAbstractionObserver]: Analyzing ICFG 04-mutex_35-trylock_rc.i [2024-11-28 05:22:33,261 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-28 05:22:33,263 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG 04-mutex_35-trylock_rc.i that has 3 procedures, 236 locations, 1 initial locations, 11 loop locations, and 16 error locations. [2024-11-28 05:22:33,263 INFO L491 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-11-28 05:22:33,458 INFO L143 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2024-11-28 05:22:33,519 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 242 places, 274 transitions, 562 flow [2024-11-28 05:22:33,631 INFO L124 PetriNetUnfolderBase]: 39/272 cut-off events. [2024-11-28 05:22:33,634 INFO L125 PetriNetUnfolderBase]: For 2/2 co-relation queries the response was YES. [2024-11-28 05:22:33,648 INFO L83 FinitePrefix]: Finished finitePrefix Result has 281 conditions, 272 events. 39/272 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 11. Compared 886 event pairs, 0 based on Foata normal form. 0/217 useless extension candidates. Maximal degree in co-relation 198. Up to 5 conditions per place. [2024-11-28 05:22:33,648 INFO L82 GeneralOperation]: Start removeDead. Operand has 242 places, 274 transitions, 562 flow [2024-11-28 05:22:33,663 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 234 places, 264 transitions, 540 flow [2024-11-28 05:22:33,679 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-28 05:22:33,700 INFO L333 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@2158135b, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-28 05:22:33,701 INFO L334 AbstractCegarLoop]: Starting to check reachability of 29 error locations. [2024-11-28 05:22:33,713 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-11-28 05:22:33,714 INFO L124 PetriNetUnfolderBase]: 0/23 cut-off events. [2024-11-28 05:22:33,714 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-28 05:22:33,714 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-28 05:22:33,715 INFO L206 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] [2024-11-28 05:22:33,716 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [monitor_threadErr0ASSERT_VIOLATIONDATA_RACE, monitor_threadErr4ASSERT_VIOLATIONDATA_RACE, monitor_threadErr1ASSERT_VIOLATIONDATA_RACE (and 26 more)] === [2024-11-28 05:22:33,722 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 05:22:33,723 INFO L85 PathProgramCache]: Analyzing trace with hash 1292157376, now seen corresponding path program 1 times [2024-11-28 05:22:33,733 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 05:22:33,733 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [154882835] [2024-11-28 05:22:33,734 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 05:22:33,735 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 05:22:33,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 05:22:34,129 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 05:22:34,130 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 05:22:34,130 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [154882835] [2024-11-28 05:22:34,133 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [154882835] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 05:22:34,133 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 05:22:34,134 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-28 05:22:34,135 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2122836043] [2024-11-28 05:22:34,136 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 05:22:34,146 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 05:22:34,151 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 05:22:34,176 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 05:22:34,176 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 05:22:34,219 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 230 out of 274 [2024-11-28 05:22:34,227 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 234 places, 264 transitions, 540 flow. Second operand has 3 states, 3 states have (on average 231.33333333333334) internal successors, (694), 3 states have internal predecessors, (694), 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) [2024-11-28 05:22:34,227 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-28 05:22:34,227 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 230 of 274 [2024-11-28 05:22:34,230 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-28 05:22:34,461 INFO L124 PetriNetUnfolderBase]: 46/541 cut-off events. [2024-11-28 05:22:34,462 INFO L125 PetriNetUnfolderBase]: For 20/20 co-relation queries the response was YES. [2024-11-28 05:22:34,468 INFO L83 FinitePrefix]: Finished finitePrefix Result has 609 conditions, 541 events. 46/541 cut-off events. For 20/20 co-relation queries the response was YES. Maximal size of possible extension queue 21. Compared 2947 event pairs, 15 based on Foata normal form. 99/551 useless extension candidates. Maximal degree in co-relation 472. Up to 48 conditions per place. [2024-11-28 05:22:34,475 INFO L140 encePairwiseOnDemand]: 253/274 looper letters, 13 selfloop transitions, 2 changer transitions 9/230 dead transitions. [2024-11-28 05:22:34,475 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 227 places, 230 transitions, 502 flow [2024-11-28 05:22:34,477 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 05:22:34,480 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-28 05:22:34,495 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 724 transitions. [2024-11-28 05:22:34,498 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.8807785888077859 [2024-11-28 05:22:34,500 INFO L175 Difference]: Start difference. First operand has 234 places, 264 transitions, 540 flow. Second operand 3 states and 724 transitions. [2024-11-28 05:22:34,501 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 227 places, 230 transitions, 502 flow [2024-11-28 05:22:34,508 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 223 places, 230 transitions, 494 flow, removed 0 selfloop flow, removed 4 redundant places. [2024-11-28 05:22:34,514 INFO L231 Difference]: Finished difference. Result has 223 places, 221 transitions, 450 flow [2024-11-28 05:22:34,517 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=274, PETRI_DIFFERENCE_MINUEND_FLOW=464, PETRI_DIFFERENCE_MINUEND_PLACES=221, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=230, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=228, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=450, PETRI_PLACES=223, PETRI_TRANSITIONS=221} [2024-11-28 05:22:34,521 INFO L279 CegarLoopForPetriNet]: 234 programPoint places, -11 predicate places. [2024-11-28 05:22:34,521 INFO L471 AbstractCegarLoop]: Abstraction has has 223 places, 221 transitions, 450 flow [2024-11-28 05:22:34,522 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 231.33333333333334) internal successors, (694), 3 states have internal predecessors, (694), 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) [2024-11-28 05:22:34,522 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-28 05:22:34,522 INFO L206 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] [2024-11-28 05:22:34,522 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-28 05:22:34,522 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting counter_threadErr0ASSERT_VIOLATIONDATA_RACE === [monitor_threadErr0ASSERT_VIOLATIONDATA_RACE, monitor_threadErr4ASSERT_VIOLATIONDATA_RACE, monitor_threadErr1ASSERT_VIOLATIONDATA_RACE (and 26 more)] === [2024-11-28 05:22:34,526 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 05:22:34,527 INFO L85 PathProgramCache]: Analyzing trace with hash -237458151, now seen corresponding path program 1 times [2024-11-28 05:22:34,527 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 05:22:34,527 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1297717619] [2024-11-28 05:22:34,527 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 05:22:34,527 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 05:22:34,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 05:22:34,734 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 05:22:34,734 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 05:22:34,734 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1297717619] [2024-11-28 05:22:34,734 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1297717619] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 05:22:34,734 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 05:22:34,734 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-28 05:22:34,735 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1621091135] [2024-11-28 05:22:34,735 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 05:22:34,736 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 05:22:34,736 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 05:22:34,737 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 05:22:34,737 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 05:22:34,769 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 232 out of 274 [2024-11-28 05:22:34,770 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 223 places, 221 transitions, 450 flow. Second operand has 3 states, 3 states have (on average 233.33333333333334) internal successors, (700), 3 states have internal predecessors, (700), 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) [2024-11-28 05:22:34,770 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-28 05:22:34,770 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 232 of 274 [2024-11-28 05:22:34,770 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-28 05:22:34,930 INFO L124 PetriNetUnfolderBase]: 67/705 cut-off events. [2024-11-28 05:22:34,930 INFO L125 PetriNetUnfolderBase]: For 7/7 co-relation queries the response was YES. [2024-11-28 05:22:34,934 INFO L83 FinitePrefix]: Finished finitePrefix Result has 789 conditions, 705 events. 67/705 cut-off events. For 7/7 co-relation queries the response was YES. Maximal size of possible extension queue 31. Compared 4494 event pairs, 16 based on Foata normal form. 0/591 useless extension candidates. Maximal degree in co-relation 757. Up to 70 conditions per place. [2024-11-28 05:22:34,938 INFO L140 encePairwiseOnDemand]: 270/274 looper letters, 14 selfloop transitions, 2 changer transitions 0/222 dead transitions. [2024-11-28 05:22:34,938 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 215 places, 222 transitions, 485 flow [2024-11-28 05:22:34,938 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 05:22:34,939 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-28 05:22:34,940 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 714 transitions. [2024-11-28 05:22:34,941 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.8686131386861314 [2024-11-28 05:22:34,941 INFO L175 Difference]: Start difference. First operand has 223 places, 221 transitions, 450 flow. Second operand 3 states and 714 transitions. [2024-11-28 05:22:34,941 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 215 places, 222 transitions, 485 flow [2024-11-28 05:22:34,945 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 213 places, 222 transitions, 481 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-28 05:22:34,950 INFO L231 Difference]: Finished difference. Result has 214 places, 221 transitions, 456 flow [2024-11-28 05:22:34,951 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=274, PETRI_DIFFERENCE_MINUEND_FLOW=442, PETRI_DIFFERENCE_MINUEND_PLACES=211, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=219, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=217, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=456, PETRI_PLACES=214, PETRI_TRANSITIONS=221} [2024-11-28 05:22:34,951 INFO L279 CegarLoopForPetriNet]: 234 programPoint places, -20 predicate places. [2024-11-28 05:22:34,951 INFO L471 AbstractCegarLoop]: Abstraction has has 214 places, 221 transitions, 456 flow [2024-11-28 05:22:34,952 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 233.33333333333334) internal successors, (700), 3 states have internal predecessors, (700), 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) [2024-11-28 05:22:34,952 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-28 05:22:34,952 INFO L206 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] [2024-11-28 05:22:34,952 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-28 05:22:34,955 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [monitor_threadErr0ASSERT_VIOLATIONDATA_RACE, monitor_threadErr4ASSERT_VIOLATIONDATA_RACE, monitor_threadErr1ASSERT_VIOLATIONDATA_RACE (and 26 more)] === [2024-11-28 05:22:34,957 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 05:22:34,957 INFO L85 PathProgramCache]: Analyzing trace with hash -897419511, now seen corresponding path program 1 times [2024-11-28 05:22:34,958 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 05:22:34,958 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1683524260] [2024-11-28 05:22:34,958 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 05:22:34,958 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 05:22:34,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 05:22:35,101 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 05:22:35,101 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 05:22:35,101 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1683524260] [2024-11-28 05:22:35,102 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1683524260] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 05:22:35,102 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 05:22:35,102 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-28 05:22:35,102 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1594749663] [2024-11-28 05:22:35,102 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 05:22:35,102 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 05:22:35,103 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 05:22:35,103 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 05:22:35,103 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 05:22:35,184 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 215 out of 274 [2024-11-28 05:22:35,186 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 214 places, 221 transitions, 456 flow. Second operand has 3 states, 3 states have (on average 216.0) internal successors, (648), 3 states have internal predecessors, (648), 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) [2024-11-28 05:22:35,186 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-28 05:22:35,186 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 215 of 274 [2024-11-28 05:22:35,186 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-28 05:22:35,656 INFO L124 PetriNetUnfolderBase]: 429/2235 cut-off events. [2024-11-28 05:22:35,657 INFO L125 PetriNetUnfolderBase]: For 8/13 co-relation queries the response was YES. [2024-11-28 05:22:35,665 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2749 conditions, 2235 events. 429/2235 cut-off events. For 8/13 co-relation queries the response was YES. Maximal size of possible extension queue 96. Compared 19581 event pairs, 163 based on Foata normal form. 2/1918 useless extension candidates. Maximal degree in co-relation 2475. Up to 449 conditions per place. [2024-11-28 05:22:35,673 INFO L140 encePairwiseOnDemand]: 258/274 looper letters, 26 selfloop transitions, 7 changer transitions 6/226 dead transitions. [2024-11-28 05:22:35,674 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 208 places, 226 transitions, 540 flow [2024-11-28 05:22:35,674 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 05:22:35,674 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-28 05:22:35,675 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 689 transitions. [2024-11-28 05:22:35,676 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.8381995133819952 [2024-11-28 05:22:35,676 INFO L175 Difference]: Start difference. First operand has 214 places, 221 transitions, 456 flow. Second operand 3 states and 689 transitions. [2024-11-28 05:22:35,676 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 208 places, 226 transitions, 540 flow [2024-11-28 05:22:35,681 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 208 places, 226 transitions, 540 flow, removed 0 selfloop flow, removed 0 redundant places. [2024-11-28 05:22:35,684 INFO L231 Difference]: Finished difference. Result has 209 places, 214 transitions, 474 flow [2024-11-28 05:22:35,685 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=274, PETRI_DIFFERENCE_MINUEND_FLOW=440, PETRI_DIFFERENCE_MINUEND_PLACES=206, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=213, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=206, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=474, PETRI_PLACES=209, PETRI_TRANSITIONS=214} [2024-11-28 05:22:35,686 INFO L279 CegarLoopForPetriNet]: 234 programPoint places, -25 predicate places. [2024-11-28 05:22:35,686 INFO L471 AbstractCegarLoop]: Abstraction has has 209 places, 214 transitions, 474 flow [2024-11-28 05:22:35,686 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 216.0) internal successors, (648), 3 states have internal predecessors, (648), 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) [2024-11-28 05:22:35,686 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-28 05:22:35,686 INFO L206 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] [2024-11-28 05:22:35,686 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-28 05:22:35,687 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting counter_threadErr2ASSERT_VIOLATIONDATA_RACE === [monitor_threadErr0ASSERT_VIOLATIONDATA_RACE, monitor_threadErr4ASSERT_VIOLATIONDATA_RACE, monitor_threadErr1ASSERT_VIOLATIONDATA_RACE (and 26 more)] === [2024-11-28 05:22:35,687 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 05:22:35,687 INFO L85 PathProgramCache]: Analyzing trace with hash -1445899482, now seen corresponding path program 1 times [2024-11-28 05:22:35,687 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 05:22:35,689 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1734019040] [2024-11-28 05:22:35,689 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 05:22:35,690 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 05:22:35,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 05:22:35,855 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 05:22:35,855 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 05:22:35,855 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1734019040] [2024-11-28 05:22:35,855 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1734019040] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 05:22:35,855 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 05:22:35,855 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-28 05:22:35,855 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1299937847] [2024-11-28 05:22:35,856 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 05:22:35,856 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 05:22:35,856 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 05:22:35,857 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 05:22:35,857 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 05:22:35,895 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 228 out of 274 [2024-11-28 05:22:35,897 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 209 places, 214 transitions, 474 flow. Second operand has 3 states, 3 states have (on average 229.33333333333334) internal successors, (688), 3 states have internal predecessors, (688), 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) [2024-11-28 05:22:35,897 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-28 05:22:35,897 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 228 of 274 [2024-11-28 05:22:35,897 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-28 05:22:36,295 INFO L124 PetriNetUnfolderBase]: 281/2044 cut-off events. [2024-11-28 05:22:36,295 INFO L125 PetriNetUnfolderBase]: For 16/16 co-relation queries the response was YES. [2024-11-28 05:22:36,306 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2518 conditions, 2044 events. 281/2044 cut-off events. For 16/16 co-relation queries the response was YES. Maximal size of possible extension queue 56. Compared 16585 event pairs, 31 based on Foata normal form. 0/1795 useless extension candidates. Maximal degree in co-relation 2317. Up to 162 conditions per place. [2024-11-28 05:22:36,315 INFO L140 encePairwiseOnDemand]: 263/274 looper letters, 24 selfloop transitions, 8 changer transitions 0/228 dead transitions. [2024-11-28 05:22:36,315 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 206 places, 228 transitions, 568 flow [2024-11-28 05:22:36,315 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 05:22:36,315 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-28 05:22:36,317 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 719 transitions. [2024-11-28 05:22:36,318 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.8746958637469586 [2024-11-28 05:22:36,320 INFO L175 Difference]: Start difference. First operand has 209 places, 214 transitions, 474 flow. Second operand 3 states and 719 transitions. [2024-11-28 05:22:36,320 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 206 places, 228 transitions, 568 flow [2024-11-28 05:22:36,324 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 206 places, 228 transitions, 568 flow, removed 0 selfloop flow, removed 0 redundant places. [2024-11-28 05:22:36,327 INFO L231 Difference]: Finished difference. Result has 208 places, 222 transitions, 544 flow [2024-11-28 05:22:36,328 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=274, PETRI_DIFFERENCE_MINUEND_FLOW=474, PETRI_DIFFERENCE_MINUEND_PLACES=204, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=214, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=206, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=544, PETRI_PLACES=208, PETRI_TRANSITIONS=222} [2024-11-28 05:22:36,329 INFO L279 CegarLoopForPetriNet]: 234 programPoint places, -26 predicate places. [2024-11-28 05:22:36,329 INFO L471 AbstractCegarLoop]: Abstraction has has 208 places, 222 transitions, 544 flow [2024-11-28 05:22:36,329 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 229.33333333333334) internal successors, (688), 3 states have internal predecessors, (688), 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) [2024-11-28 05:22:36,329 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-28 05:22:36,329 INFO L206 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] [2024-11-28 05:22:36,330 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-28 05:22:36,330 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting counter_threadErr3ASSERT_VIOLATIONDATA_RACE === [monitor_threadErr0ASSERT_VIOLATIONDATA_RACE, monitor_threadErr4ASSERT_VIOLATIONDATA_RACE, monitor_threadErr1ASSERT_VIOLATIONDATA_RACE (and 26 more)] === [2024-11-28 05:22:36,330 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 05:22:36,330 INFO L85 PathProgramCache]: Analyzing trace with hash -442765712, now seen corresponding path program 1 times [2024-11-28 05:22:36,330 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 05:22:36,330 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [90034947] [2024-11-28 05:22:36,331 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 05:22:36,331 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 05:22:36,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 05:22:36,456 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 05:22:36,457 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 05:22:36,457 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [90034947] [2024-11-28 05:22:36,457 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [90034947] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 05:22:36,457 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 05:22:36,457 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-28 05:22:36,458 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [488097678] [2024-11-28 05:22:36,458 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 05:22:36,458 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 05:22:36,458 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 05:22:36,459 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 05:22:36,459 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 05:22:36,499 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 231 out of 274 [2024-11-28 05:22:36,500 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 208 places, 222 transitions, 544 flow. Second operand has 3 states, 3 states have (on average 233.0) internal successors, (699), 3 states have internal predecessors, (699), 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) [2024-11-28 05:22:36,500 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-28 05:22:36,500 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 231 of 274 [2024-11-28 05:22:36,501 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-28 05:22:37,086 INFO L124 PetriNetUnfolderBase]: 481/3327 cut-off events. [2024-11-28 05:22:37,086 INFO L125 PetriNetUnfolderBase]: For 302/318 co-relation queries the response was YES. [2024-11-28 05:22:37,133 INFO L83 FinitePrefix]: Finished finitePrefix Result has 4335 conditions, 3327 events. 481/3327 cut-off events. For 302/318 co-relation queries the response was YES. Maximal size of possible extension queue 97. Compared 30764 event pairs, 57 based on Foata normal form. 7/2927 useless extension candidates. Maximal degree in co-relation 4124. Up to 280 conditions per place. [2024-11-28 05:22:37,145 INFO L140 encePairwiseOnDemand]: 267/274 looper letters, 23 selfloop transitions, 11 changer transitions 0/236 dead transitions. [2024-11-28 05:22:37,145 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 210 places, 236 transitions, 664 flow [2024-11-28 05:22:37,145 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 05:22:37,146 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-28 05:22:37,147 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 720 transitions. [2024-11-28 05:22:37,147 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.8759124087591241 [2024-11-28 05:22:37,148 INFO L175 Difference]: Start difference. First operand has 208 places, 222 transitions, 544 flow. Second operand 3 states and 720 transitions. [2024-11-28 05:22:37,148 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 210 places, 236 transitions, 664 flow [2024-11-28 05:22:37,152 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 208 places, 236 transitions, 640 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-28 05:22:37,155 INFO L231 Difference]: Finished difference. Result has 210 places, 230 transitions, 620 flow [2024-11-28 05:22:37,156 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=274, PETRI_DIFFERENCE_MINUEND_FLOW=528, PETRI_DIFFERENCE_MINUEND_PLACES=206, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=222, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=211, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=620, PETRI_PLACES=210, PETRI_TRANSITIONS=230} [2024-11-28 05:22:37,158 INFO L279 CegarLoopForPetriNet]: 234 programPoint places, -24 predicate places. [2024-11-28 05:22:37,159 INFO L471 AbstractCegarLoop]: Abstraction has has 210 places, 230 transitions, 620 flow [2024-11-28 05:22:37,159 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 233.0) internal successors, (699), 3 states have internal predecessors, (699), 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) [2024-11-28 05:22:37,160 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-28 05:22:37,160 INFO L206 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] [2024-11-28 05:22:37,160 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-28 05:22:37,161 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting monitor_threadErr5ASSERT_VIOLATIONDATA_RACE === [monitor_threadErr0ASSERT_VIOLATIONDATA_RACE, monitor_threadErr4ASSERT_VIOLATIONDATA_RACE, monitor_threadErr1ASSERT_VIOLATIONDATA_RACE (and 26 more)] === [2024-11-28 05:22:37,161 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 05:22:37,165 INFO L85 PathProgramCache]: Analyzing trace with hash -1657336632, now seen corresponding path program 1 times [2024-11-28 05:22:37,165 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 05:22:37,165 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [719429997] [2024-11-28 05:22:37,165 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 05:22:37,165 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 05:22:37,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 05:22:37,302 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 05:22:37,302 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 05:22:37,302 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [719429997] [2024-11-28 05:22:37,302 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [719429997] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 05:22:37,303 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 05:22:37,303 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-28 05:22:37,304 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1081137713] [2024-11-28 05:22:37,305 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 05:22:37,305 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 05:22:37,305 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 05:22:37,306 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 05:22:37,306 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 05:22:37,341 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 231 out of 274 [2024-11-28 05:22:37,343 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 210 places, 230 transitions, 620 flow. Second operand has 3 states, 3 states have (on average 233.33333333333334) internal successors, (700), 3 states have internal predecessors, (700), 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) [2024-11-28 05:22:37,343 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-28 05:22:37,343 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 231 of 274 [2024-11-28 05:22:37,343 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-28 05:22:38,000 INFO L124 PetriNetUnfolderBase]: 606/4064 cut-off events. [2024-11-28 05:22:38,001 INFO L125 PetriNetUnfolderBase]: For 828/848 co-relation queries the response was YES. [2024-11-28 05:22:38,020 INFO L83 FinitePrefix]: Finished finitePrefix Result has 5522 conditions, 4064 events. 606/4064 cut-off events. For 828/848 co-relation queries the response was YES. Maximal size of possible extension queue 125. Compared 39361 event pairs, 78 based on Foata normal form. 3/3558 useless extension candidates. Maximal degree in co-relation 5252. Up to 339 conditions per place. [2024-11-28 05:22:38,035 INFO L140 encePairwiseOnDemand]: 267/274 looper letters, 27 selfloop transitions, 14 changer transitions 0/244 dead transitions. [2024-11-28 05:22:38,035 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 212 places, 244 transitions, 775 flow [2024-11-28 05:22:38,036 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 05:22:38,036 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-28 05:22:38,037 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 718 transitions. [2024-11-28 05:22:38,038 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.8734793187347932 [2024-11-28 05:22:38,038 INFO L175 Difference]: Start difference. First operand has 210 places, 230 transitions, 620 flow. Second operand 3 states and 718 transitions. [2024-11-28 05:22:38,038 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 212 places, 244 transitions, 775 flow [2024-11-28 05:22:38,042 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 210 places, 244 transitions, 745 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-28 05:22:38,045 INFO L231 Difference]: Finished difference. Result has 212 places, 240 transitions, 732 flow [2024-11-28 05:22:38,045 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=274, PETRI_DIFFERENCE_MINUEND_FLOW=598, PETRI_DIFFERENCE_MINUEND_PLACES=208, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=230, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=216, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=732, PETRI_PLACES=212, PETRI_TRANSITIONS=240} [2024-11-28 05:22:38,046 INFO L279 CegarLoopForPetriNet]: 234 programPoint places, -22 predicate places. [2024-11-28 05:22:38,046 INFO L471 AbstractCegarLoop]: Abstraction has has 212 places, 240 transitions, 732 flow [2024-11-28 05:22:38,046 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 233.33333333333334) internal successors, (700), 3 states have internal predecessors, (700), 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) [2024-11-28 05:22:38,046 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-28 05:22:38,047 INFO L206 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] [2024-11-28 05:22:38,047 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-28 05:22:38,047 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting monitor_threadErr4ASSERT_VIOLATIONDATA_RACE === [monitor_threadErr0ASSERT_VIOLATIONDATA_RACE, monitor_threadErr4ASSERT_VIOLATIONDATA_RACE, monitor_threadErr1ASSERT_VIOLATIONDATA_RACE (and 26 more)] === [2024-11-28 05:22:38,047 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 05:22:38,048 INFO L85 PathProgramCache]: Analyzing trace with hash -476326318, now seen corresponding path program 1 times [2024-11-28 05:22:38,048 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 05:22:38,048 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2031898608] [2024-11-28 05:22:38,048 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 05:22:38,048 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 05:22:38,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-28 05:22:38,090 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-28 05:22:38,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-28 05:22:38,142 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-28 05:22:38,143 INFO L340 BasicCegarLoop]: Counterexample is feasible [2024-11-28 05:22:38,144 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location monitor_threadErr4ASSERT_VIOLATIONDATA_RACE (28 of 29 remaining) [2024-11-28 05:22:38,146 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location monitor_threadErr0ASSERT_VIOLATIONDATA_RACE (27 of 29 remaining) [2024-11-28 05:22:38,146 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location monitor_threadErr4ASSERT_VIOLATIONDATA_RACE (26 of 29 remaining) [2024-11-28 05:22:38,147 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location monitor_threadErr1ASSERT_VIOLATIONDATA_RACE (25 of 29 remaining) [2024-11-28 05:22:38,148 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location monitor_threadErr2ASSERT_VIOLATIONDATA_RACE (24 of 29 remaining) [2024-11-28 05:22:38,149 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location monitor_threadErr5ASSERT_VIOLATIONDATA_RACE (23 of 29 remaining) [2024-11-28 05:22:38,149 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location monitor_threadErr3ASSERT_VIOLATIONDATA_RACE (22 of 29 remaining) [2024-11-28 05:22:38,149 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location counter_threadErr0ASSERT_VIOLATIONDATA_RACE (21 of 29 remaining) [2024-11-28 05:22:38,149 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location counter_threadErr1ASSERT_VIOLATIONDATA_RACE (20 of 29 remaining) [2024-11-28 05:22:38,149 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location counter_threadErr2ASSERT_VIOLATIONDATA_RACE (19 of 29 remaining) [2024-11-28 05:22:38,149 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location counter_threadErr4ASSERT_VIOLATIONDATA_RACE (18 of 29 remaining) [2024-11-28 05:22:38,149 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location counter_threadErr3ASSERT_VIOLATIONDATA_RACE (17 of 29 remaining) [2024-11-28 05:22:38,149 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (16 of 29 remaining) [2024-11-28 05:22:38,149 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (15 of 29 remaining) [2024-11-28 05:22:38,149 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (14 of 29 remaining) [2024-11-28 05:22:38,150 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (13 of 29 remaining) [2024-11-28 05:22:38,150 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE (12 of 29 remaining) [2024-11-28 05:22:38,150 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (11 of 29 remaining) [2024-11-28 05:22:38,150 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (10 of 29 remaining) [2024-11-28 05:22:38,150 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location monitor_threadErr0ASSERT_VIOLATIONDATA_RACE (9 of 29 remaining) [2024-11-28 05:22:38,150 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location monitor_threadErr1ASSERT_VIOLATIONDATA_RACE (8 of 29 remaining) [2024-11-28 05:22:38,150 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location monitor_threadErr2ASSERT_VIOLATIONDATA_RACE (7 of 29 remaining) [2024-11-28 05:22:38,150 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location monitor_threadErr5ASSERT_VIOLATIONDATA_RACE (6 of 29 remaining) [2024-11-28 05:22:38,150 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location monitor_threadErr3ASSERT_VIOLATIONDATA_RACE (5 of 29 remaining) [2024-11-28 05:22:38,150 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location counter_threadErr0ASSERT_VIOLATIONDATA_RACE (4 of 29 remaining) [2024-11-28 05:22:38,150 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location counter_threadErr1ASSERT_VIOLATIONDATA_RACE (3 of 29 remaining) [2024-11-28 05:22:38,151 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location counter_threadErr2ASSERT_VIOLATIONDATA_RACE (2 of 29 remaining) [2024-11-28 05:22:38,151 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location counter_threadErr4ASSERT_VIOLATIONDATA_RACE (1 of 29 remaining) [2024-11-28 05:22:38,151 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location counter_threadErr3ASSERT_VIOLATIONDATA_RACE (0 of 29 remaining) [2024-11-28 05:22:38,151 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-28 05:22:38,151 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1] [2024-11-28 05:22:38,284 INFO L241 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-11-28 05:22:38,284 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-28 05:22:38,292 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.11 05:22:38 BasicIcfg [2024-11-28 05:22:38,295 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-28 05:22:38,295 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-28 05:22:38,296 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-28 05:22:38,296 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-28 05:22:38,296 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 05:22:33" (3/4) ... [2024-11-28 05:22:38,297 INFO L140 WitnessPrinter]: Generating witness for reachability counterexample [2024-11-28 05:22:38,410 INFO L129 tionWitnessGenerator]: Generated YAML witness of length 7. [2024-11-28 05:22:38,474 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87618beb-9900-4cf9-9e99-6179a4d57e00/bin/uautomizer-verify-aQ6SnzHsRB/witness.graphml [2024-11-28 05:22:38,476 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87618beb-9900-4cf9-9e99-6179a4d57e00/bin/uautomizer-verify-aQ6SnzHsRB/witness.yml [2024-11-28 05:22:38,476 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-28 05:22:38,479 INFO L158 Benchmark]: Toolchain (without parser) took 7737.94ms. Allocated memory was 117.4MB in the beginning and 369.1MB in the end (delta: 251.7MB). Free memory was 89.3MB in the beginning and 265.0MB in the end (delta: -175.6MB). Peak memory consumption was 77.4MB. Max. memory is 16.1GB. [2024-11-28 05:22:38,480 INFO L158 Benchmark]: CDTParser took 0.47ms. Allocated memory is still 117.4MB. Free memory is still 71.8MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-28 05:22:38,481 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1442.07ms. Allocated memory is still 117.4MB. Free memory was 89.1MB in the beginning and 78.0MB in the end (delta: 11.1MB). Peak memory consumption was 67.4MB. Max. memory is 16.1GB. [2024-11-28 05:22:38,481 INFO L158 Benchmark]: Boogie Procedure Inliner took 98.54ms. Allocated memory is still 117.4MB. Free memory was 78.0MB in the beginning and 75.2MB in the end (delta: 2.7MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-28 05:22:38,482 INFO L158 Benchmark]: Boogie Preprocessor took 60.98ms. Allocated memory is still 117.4MB. Free memory was 75.2MB in the beginning and 72.5MB in the end (delta: 2.7MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-28 05:22:38,482 INFO L158 Benchmark]: RCFGBuilder took 885.50ms. Allocated memory is still 117.4MB. Free memory was 72.5MB in the beginning and 44.6MB in the end (delta: 28.0MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. [2024-11-28 05:22:38,482 INFO L158 Benchmark]: TraceAbstraction took 5060.40ms. Allocated memory was 117.4MB in the beginning and 369.1MB in the end (delta: 251.7MB). Free memory was 44.0MB in the beginning and 281.8MB in the end (delta: -237.8MB). Peak memory consumption was 82.3MB. Max. memory is 16.1GB. [2024-11-28 05:22:38,483 INFO L158 Benchmark]: Witness Printer took 181.07ms. Allocated memory is still 369.1MB. Free memory was 281.8MB in the beginning and 265.0MB in the end (delta: 16.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-28 05:22:38,486 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.47ms. Allocated memory is still 117.4MB. Free memory is still 71.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1442.07ms. Allocated memory is still 117.4MB. Free memory was 89.1MB in the beginning and 78.0MB in the end (delta: 11.1MB). Peak memory consumption was 67.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 98.54ms. Allocated memory is still 117.4MB. Free memory was 78.0MB in the beginning and 75.2MB in the end (delta: 2.7MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 60.98ms. Allocated memory is still 117.4MB. Free memory was 75.2MB in the beginning and 72.5MB in the end (delta: 2.7MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 885.50ms. Allocated memory is still 117.4MB. Free memory was 72.5MB in the beginning and 44.6MB in the end (delta: 28.0MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. * TraceAbstraction took 5060.40ms. Allocated memory was 117.4MB in the beginning and 369.1MB in the end (delta: 251.7MB). Free memory was 44.0MB in the beginning and 281.8MB in the end (delta: -237.8MB). Peak memory consumption was 82.3MB. Max. memory is 16.1GB. * Witness Printer took 181.07ms. Allocated memory is still 369.1MB. Free memory was 281.8MB in the beginning and 265.0MB in the end (delta: 16.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - DataRaceFoundResult [Line: 1830]: Data race detected Data race detected The following path leads to a data race: [L1797] 0 pthread_mutex_t mutex = { { 0, 0, 0, 0, 0, { { 0, 0 } } } }; VAL [mutex={1:0}] [L1798] 0 long counter; VAL [counter=0, mutex={1:0}] [L1799] 0 time_t end_time; VAL [counter=0, end_time=0, mutex={1:0}] [L1836] 0 int status; VAL [\old(argc)=1150, \old(argv)={1153:1151}, argc=1150, counter=0, end_time=0, mutex={1:0}] [L1837] 0 pthread_t counter_thread_id; VAL [\old(argc)=1150, \old(argv)={1153:1151}, argc=1150, counter=0, end_time=0, mutex={1:0}] [L1838] 0 pthread_t monitor_thread_id; VAL [\old(argc)=1150, \old(argv)={1153:1151}, argc=1150, counter=0, end_time=0, mutex={1:0}] [L1839] 0 end_time = time (((void *)0)) + 60 VAL [\old(argc)=1150, \old(argv)={1153:1151}, argc=1150, counter=0, end_time=60, mutex={1:0}] [L1840] EXPR, FCALL, FORK 0 pthread_create (&counter_thread_id, ((void *)0), counter_thread, ((void *)0)) VAL [\old(arg)={0:0}, \old(argc)=1150, \old(argv)={1153:1151}, argc=1150, counter=0, counter_thread_id=-1, end_time=60, mutex={1:0}] [L1801] 1 int status; VAL [\old(arg)={0:0}, arg={0:0}, counter=0, end_time=60, mutex={1:0}] [L1802] 1 int spin; VAL [\old(arg)={0:0}, arg={0:0}, counter=0, end_time=60, mutex={1:0}] [L1803] 1 time (((void *)0)) < end_time VAL [\old(arg)={0:0}, arg={0:0}, counter=0, end_time=60, mutex={1:0}] [L1803] COND TRUE 1 time (((void *)0)) < end_time VAL [\old(arg)={0:0}, arg={0:0}, counter=0, end_time=60, mutex={1:0}] [L1804] 1 status = pthread_mutex_lock (&mutex) VAL [\old(arg)={0:0}, arg={0:0}, counter=0, end_time=60, mutex={1:0}, status=0] [L1805] COND FALSE 1 !(status != 0) VAL [\old(arg)={0:0}, arg={0:0}, counter=0, end_time=60, mutex={1:0}, status=0] [L1807] 1 spin = 0 VAL [\old(arg)={0:0}, arg={0:0}, counter=0, end_time=60, mutex={1:0}, spin=0, status=0] [L1807] COND TRUE 1 spin < 10000000 VAL [\old(arg)={0:0}, arg={0:0}, counter=0, end_time=60, mutex={1:0}, spin=0, status=0] [L1808] 1 counter++ VAL [\old(arg)={0:0}, arg={0:0}, counter=0, end_time=60, mutex={1:0}, spin=0, status=0] [L1840] 0 status = pthread_create (&counter_thread_id, ((void *)0), counter_thread, ((void *)0)) VAL [\old(arg)={0:0}, \old(argc)=1150, \old(argv)={1153:1151}, arg={0:0}, argc=1150, counter=0, counter_thread_id=-1, end_time=60, mutex={1:0}, spin=0, status=0, status=0] [L1841] COND FALSE 0 !(status != 0) VAL [\old(arg)={0:0}, \old(argc)=1150, \old(argv)={1153:1151}, arg={0:0}, argc=1150, counter=0, counter_thread_id=-1, end_time=60, mutex={1:0}, spin=0, status=0, status=0] [L1843] FCALL, FORK 0 pthread_create (&monitor_thread_id, ((void *)0), monitor_thread, ((void *)0)) VAL [\old(arg)={0:0}, \old(arg)={0:0}, \old(argc)=1150, \old(argv)={1153:1151}, arg={0:0}, argc=1150, counter=0, counter_thread_id=-1, end_time=60, monitor_thread_id=0, mutex={1:0}, spin=0, status=0, status=0] [L1817] 2 int status; VAL [\old(arg)={0:0}, \old(arg)={0:0}, arg={0:0}, arg={0:0}, counter=0, end_time=60, mutex={1:0}, spin=0, status=0] [L1818] 2 int misses = 0; VAL [\old(arg)={0:0}, \old(arg)={0:0}, arg={0:0}, arg={0:0}, counter=0, end_time=60, misses=0, mutex={1:0}, spin=0, status=0] [L1819] 2 time (((void *)0)) < end_time VAL [\old(arg)={0:0}, \old(arg)={0:0}, arg={0:0}, arg={0:0}, counter=0, end_time=60, misses=0, mutex={1:0}, spin=0, status=0] [L1819] COND TRUE 2 time (((void *)0)) < end_time VAL [\old(arg)={0:0}, \old(arg)={0:0}, arg={0:0}, arg={0:0}, counter=0, end_time=60, misses=0, mutex={1:0}, spin=0, status=0] [L1821] 2 status = pthread_mutex_trylock (&mutex) VAL [\old(arg)={0:0}, \old(arg)={0:0}, arg={0:0}, arg={0:0}, counter=0, end_time=60, misses=0, mutex={1:0}, spin=0, status=0, status=16] [L1822] COND FALSE 2 !(status != 16) VAL [\old(arg)={0:0}, \old(arg)={0:0}, arg={0:0}, arg={0:0}, counter=0, end_time=60, misses=0, mutex={1:0}, spin=0, status=0, status=16] [L1830] 2 counter++ VAL [\old(arg)={0:0}, \old(arg)={0:0}, arg={0:0}, arg={0:0}, counter=0, end_time=60, misses=0, mutex={1:0}, spin=0, status=0, status=16] [L1808] 1 counter++ VAL [\old(arg)={0:0}, \old(arg)={0:0}, arg={0:0}, arg={0:0}, counter=1, end_time=60, misses=0, mutex={1:0}, spin=0, status=0, status=16] [L1830] 2 counter++ VAL [\old(arg)={0:0}, \old(arg)={0:0}, arg={0:0}, arg={0:0}, counter=1, end_time=60, misses=0, mutex={1:0}, spin=0, status=0, status=16] Now there is a data race on ~counter~0 between C: counter++ [1808] and C: counter++ [1830] - UnprovableResult [Line: 1819]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 1824]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 1825]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 1830]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 1828]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 1803]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 1806]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 1808]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 1811]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 1808]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 1839]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 1842]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 1845]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 1848]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 1851]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 1843]: 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: 1840]: 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. - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 5 procedures, 367 locations, 29 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: 4.6s, OverallIterations: 7, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 3.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.2s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 198 SdHoareTripleChecker+Valid, 0.4s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 76 mSDsluCounter, 32 SdHoareTripleChecker+Invalid, 0.3s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 43 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 204 IncrementalHoareTripleChecker+Invalid, 247 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 43 mSolverCounterUnsat, 32 mSDtfsCounter, 204 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 12 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=732occurred in iteration=6, 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: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.7s InterpolantComputationTime, 331 NumberOfCodeBlocks, 331 NumberOfCodeBlocksAsserted, 7 NumberOfCheckSat, 250 ConstructedInterpolants, 0 QuantifiedInterpolants, 262 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 6 InterpolantComputations, 6 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, ConComCheckerStatistics: No data available RESULT: Ultimate proved your program to be incorrect! [2024-11-28 05:22:38,512 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87618beb-9900-4cf9-9e99-6179a4d57e00/bin/uautomizer-verify-aQ6SnzHsRB/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(DATA-RACE)