./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-data-race.prp --file ../../sv-benchmarks/c/pthread-race-challenges/thread-join-counter-outer-race-3.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_020e8034-cd48-4dc7-a113-035620de62ff/bin/uautomizer-verify-aQ6SnzHsRB/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_020e8034-cd48-4dc7-a113-035620de62ff/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_020e8034-cd48-4dc7-a113-035620de62ff/bin/uautomizer-verify-aQ6SnzHsRB/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_020e8034-cd48-4dc7-a113-035620de62ff/bin/uautomizer-verify-aQ6SnzHsRB/config/AutomizerReach.xml -i ../../sv-benchmarks/c/pthread-race-challenges/thread-join-counter-outer-race-3.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_020e8034-cd48-4dc7-a113-035620de62ff/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_020e8034-cd48-4dc7-a113-035620de62ff/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 a77d68c8e15036e88d70009e5342d88dd2f93f021b72148028da08073ac36a38 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-28 04:58:05,464 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-28 04:58:05,567 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_020e8034-cd48-4dc7-a113-035620de62ff/bin/uautomizer-verify-aQ6SnzHsRB/config/svcomp-DataRace-32bit-Automizer_Default.epf [2024-11-28 04:58:05,577 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-28 04:58:05,577 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-28 04:58:05,603 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-28 04:58:05,604 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-28 04:58:05,604 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-28 04:58:05,605 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-28 04:58:05,605 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-28 04:58:05,605 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-28 04:58:05,606 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-28 04:58:05,606 INFO L153 SettingsManager]: * Use SBE=true [2024-11-28 04:58:05,606 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-28 04:58:05,608 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-28 04:58:05,608 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-28 04:58:05,608 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-28 04:58:05,608 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-28 04:58:05,609 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-28 04:58:05,609 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-28 04:58:05,609 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-28 04:58:05,609 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-28 04:58:05,609 INFO L153 SettingsManager]: * Check absence of data races in concurrent programs=true [2024-11-28 04:58:05,609 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-28 04:58:05,609 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-28 04:58:05,610 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-28 04:58:05,610 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-28 04:58:05,610 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-28 04:58:05,610 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-28 04:58:05,610 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-28 04:58:05,610 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-28 04:58:05,610 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 04:58:05,610 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-28 04:58:05,610 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-28 04:58:05,610 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-28 04:58:05,610 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 04:58:05,611 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-28 04:58:05,611 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-28 04:58:05,611 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-11-28 04:58:05,611 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-28 04:58:05,611 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-28 04:58:05,611 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-28 04:58:05,611 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-28 04:58:05,611 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-28 04:58:05,611 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-28 04:58:05,611 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-28 04:58:05,611 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_020e8034-cd48-4dc7-a113-035620de62ff/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 -> a77d68c8e15036e88d70009e5342d88dd2f93f021b72148028da08073ac36a38 [2024-11-28 04:58:05,972 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-28 04:58:05,980 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-28 04:58:05,983 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-28 04:58:05,984 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-28 04:58:05,984 INFO L274 PluginConnector]: CDTParser initialized [2024-11-28 04:58:05,986 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_020e8034-cd48-4dc7-a113-035620de62ff/bin/uautomizer-verify-aQ6SnzHsRB/../../sv-benchmarks/c/pthread-race-challenges/thread-join-counter-outer-race-3.i [2024-11-28 04:58:09,071 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_020e8034-cd48-4dc7-a113-035620de62ff/bin/uautomizer-verify-aQ6SnzHsRB/data/a2cd9c50b/2d3e211ebcec4b59a9c1dcdb5e4cb408/FLAG1526bc9d8 [2024-11-28 04:58:09,510 INFO L384 CDTParser]: Found 1 translation units. [2024-11-28 04:58:09,511 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_020e8034-cd48-4dc7-a113-035620de62ff/sv-benchmarks/c/pthread-race-challenges/thread-join-counter-outer-race-3.i [2024-11-28 04:58:09,536 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_020e8034-cd48-4dc7-a113-035620de62ff/bin/uautomizer-verify-aQ6SnzHsRB/data/a2cd9c50b/2d3e211ebcec4b59a9c1dcdb5e4cb408/FLAG1526bc9d8 [2024-11-28 04:58:09,568 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_020e8034-cd48-4dc7-a113-035620de62ff/bin/uautomizer-verify-aQ6SnzHsRB/data/a2cd9c50b/2d3e211ebcec4b59a9c1dcdb5e4cb408 [2024-11-28 04:58:09,571 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-28 04:58:09,573 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-28 04:58:09,574 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-28 04:58:09,574 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-28 04:58:09,580 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-28 04:58:09,581 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 04:58:09" (1/1) ... [2024-11-28 04:58:09,583 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3802f337 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:58:09, skipping insertion in model container [2024-11-28 04:58:09,583 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 04:58:09" (1/1) ... [2024-11-28 04:58:09,622 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-28 04:58:09,994 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-28 04:58:10,024 INFO L200 MainTranslator]: Completed pre-run [2024-11-28 04:58:10,069 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-28 04:58:10,127 INFO L204 MainTranslator]: Completed translation [2024-11-28 04:58:10,128 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:58:10 WrapperNode [2024-11-28 04:58:10,129 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-28 04:58:10,130 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-28 04:58:10,132 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-28 04:58:10,132 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-28 04:58:10,144 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:58:10" (1/1) ... [2024-11-28 04:58:10,158 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:58:10" (1/1) ... [2024-11-28 04:58:10,196 INFO L138 Inliner]: procedures = 159, calls = 26, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 196 [2024-11-28 04:58:10,196 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-28 04:58:10,199 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-28 04:58:10,199 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-28 04:58:10,199 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-28 04:58:10,208 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:58:10" (1/1) ... [2024-11-28 04:58:10,208 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:58:10" (1/1) ... [2024-11-28 04:58:10,211 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:58:10" (1/1) ... [2024-11-28 04:58:10,212 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:58:10" (1/1) ... [2024-11-28 04:58:10,233 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:58:10" (1/1) ... [2024-11-28 04:58:10,234 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:58:10" (1/1) ... [2024-11-28 04:58:10,242 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:58:10" (1/1) ... [2024-11-28 04:58:10,243 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:58:10" (1/1) ... [2024-11-28 04:58:10,247 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:58:10" (1/1) ... [2024-11-28 04:58:10,250 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-28 04:58:10,251 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-28 04:58:10,256 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-28 04:58:10,256 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-28 04:58:10,257 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:58:10" (1/1) ... [2024-11-28 04:58:10,269 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 04:58:10,291 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_020e8034-cd48-4dc7-a113-035620de62ff/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 04:58:10,310 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_020e8034-cd48-4dc7-a113-035620de62ff/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-28 04:58:10,314 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_020e8034-cd48-4dc7-a113-035620de62ff/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-28 04:58:10,338 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2024-11-28 04:58:10,339 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-28 04:58:10,339 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-28 04:58:10,339 INFO L130 BoogieDeclarations]: Found specification of procedure thread [2024-11-28 04:58:10,339 INFO L138 BoogieDeclarations]: Found implementation of procedure thread [2024-11-28 04:58:10,339 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexUnlock [2024-11-28 04:58:10,339 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-28 04:58:10,339 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-28 04:58:10,341 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 04:58:10,509 INFO L234 CfgBuilder]: Building ICFG [2024-11-28 04:58:10,511 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-28 04:58:11,062 INFO L279 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-11-28 04:58:11,062 INFO L283 CfgBuilder]: Performing block encoding [2024-11-28 04:58:11,119 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-28 04:58:11,119 INFO L312 CfgBuilder]: Removed 2 assume(true) statements. [2024-11-28 04:58:11,120 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 04:58:11 BoogieIcfgContainer [2024-11-28 04:58:11,120 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-28 04:58:11,123 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-28 04:58:11,123 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-28 04:58:11,130 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-28 04:58:11,131 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.11 04:58:09" (1/3) ... [2024-11-28 04:58:11,132 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7aa82020 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 04:58:11, skipping insertion in model container [2024-11-28 04:58:11,132 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:58:10" (2/3) ... [2024-11-28 04:58:11,133 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7aa82020 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 04:58:11, skipping insertion in model container [2024-11-28 04:58:11,134 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 04:58:11" (3/3) ... [2024-11-28 04:58:11,136 INFO L128 eAbstractionObserver]: Analyzing ICFG thread-join-counter-outer-race-3.i [2024-11-28 04:58:11,155 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-28 04:58:11,157 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG thread-join-counter-outer-race-3.i that has 2 procedures, 230 locations, 1 initial locations, 2 loop locations, and 7 error locations. [2024-11-28 04:58:11,157 INFO L491 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-11-28 04:58:11,280 INFO L143 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2024-11-28 04:58:11,378 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 233 places, 234 transitions, 472 flow [2024-11-28 04:58:11,544 INFO L124 PetriNetUnfolderBase]: 7/276 cut-off events. [2024-11-28 04:58:11,550 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-28 04:58:11,559 INFO L83 FinitePrefix]: Finished finitePrefix Result has 280 conditions, 276 events. 7/276 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 238 event pairs, 0 based on Foata normal form. 0/256 useless extension candidates. Maximal degree in co-relation 193. Up to 4 conditions per place. [2024-11-28 04:58:11,559 INFO L82 GeneralOperation]: Start removeDead. Operand has 233 places, 234 transitions, 472 flow [2024-11-28 04:58:11,567 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 233 places, 234 transitions, 472 flow [2024-11-28 04:58:11,583 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-28 04:58:11,596 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;@152261b6, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-28 04:58:11,596 INFO L334 AbstractCegarLoop]: Starting to check reachability of 11 error locations. [2024-11-28 04:58:11,669 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-11-28 04:58:11,669 INFO L124 PetriNetUnfolderBase]: 2/162 cut-off events. [2024-11-28 04:58:11,669 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-28 04:58:11,670 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-28 04:58:11,672 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 04:58:11,672 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (and 8 more)] === [2024-11-28 04:58:11,679 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:58:11,680 INFO L85 PathProgramCache]: Analyzing trace with hash 1725033164, now seen corresponding path program 1 times [2024-11-28 04:58:11,690 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 04:58:11,690 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1170813363] [2024-11-28 04:58:11,690 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:58:11,692 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:58:11,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:58:12,274 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 04:58:12,274 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 04:58:12,274 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1170813363] [2024-11-28 04:58:12,275 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1170813363] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 04:58:12,275 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 04:58:12,275 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-28 04:58:12,278 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [532302795] [2024-11-28 04:58:12,279 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 04:58:12,288 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 04:58:12,292 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 04:58:12,336 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 04:58:12,336 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 04:58:12,397 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 209 out of 234 [2024-11-28 04:58:12,404 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 233 places, 234 transitions, 472 flow. Second operand has 3 states, 3 states have (on average 210.0) internal successors, (630), 3 states have internal predecessors, (630), 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 04:58:12,406 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-28 04:58:12,406 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 209 of 234 [2024-11-28 04:58:12,409 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-28 04:58:12,821 INFO L124 PetriNetUnfolderBase]: 98/708 cut-off events. [2024-11-28 04:58:12,821 INFO L125 PetriNetUnfolderBase]: For 1/1 co-relation queries the response was YES. [2024-11-28 04:58:12,825 INFO L83 FinitePrefix]: Finished finitePrefix Result has 942 conditions, 708 events. 98/708 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 30. Compared 3348 event pairs, 33 based on Foata normal form. 9/659 useless extension candidates. Maximal degree in co-relation 731. Up to 138 conditions per place. [2024-11-28 04:58:12,832 INFO L140 encePairwiseOnDemand]: 220/234 looper letters, 32 selfloop transitions, 8 changer transitions 1/249 dead transitions. [2024-11-28 04:58:12,832 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 235 places, 249 transitions, 582 flow [2024-11-28 04:58:12,834 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 04:58:12,837 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-28 04:58:12,855 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 675 transitions. [2024-11-28 04:58:12,859 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9615384615384616 [2024-11-28 04:58:12,864 INFO L175 Difference]: Start difference. First operand has 233 places, 234 transitions, 472 flow. Second operand 3 states and 675 transitions. [2024-11-28 04:58:12,865 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 235 places, 249 transitions, 582 flow [2024-11-28 04:58:12,874 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 235 places, 249 transitions, 582 flow, removed 0 selfloop flow, removed 0 redundant places. [2024-11-28 04:58:12,883 INFO L231 Difference]: Finished difference. Result has 237 places, 238 transitions, 534 flow [2024-11-28 04:58:12,887 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=234, PETRI_DIFFERENCE_MINUEND_FLOW=466, PETRI_DIFFERENCE_MINUEND_PLACES=233, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=231, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=223, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=534, PETRI_PLACES=237, PETRI_TRANSITIONS=238} [2024-11-28 04:58:12,893 INFO L279 CegarLoopForPetriNet]: 233 programPoint places, 4 predicate places. [2024-11-28 04:58:12,893 INFO L471 AbstractCegarLoop]: Abstraction has has 237 places, 238 transitions, 534 flow [2024-11-28 04:58:12,894 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 210.0) internal successors, (630), 3 states have internal predecessors, (630), 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 04:58:12,894 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-28 04:58:12,895 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 04:58:12,896 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-28 04:58:12,896 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (and 8 more)] === [2024-11-28 04:58:12,897 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:58:12,897 INFO L85 PathProgramCache]: Analyzing trace with hash -155752517, now seen corresponding path program 1 times [2024-11-28 04:58:12,898 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 04:58:12,898 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1614895834] [2024-11-28 04:58:12,898 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:58:12,898 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:58:12,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:58:13,208 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 04:58:13,209 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 04:58:13,210 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1614895834] [2024-11-28 04:58:13,210 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1614895834] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 04:58:13,210 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 04:58:13,210 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-28 04:58:13,211 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1772199924] [2024-11-28 04:58:13,211 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 04:58:13,214 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 04:58:13,215 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 04:58:13,215 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 04:58:13,216 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 04:58:13,276 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 209 out of 234 [2024-11-28 04:58:13,277 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 237 places, 238 transitions, 534 flow. Second operand has 3 states, 3 states have (on average 211.0) internal successors, (633), 3 states have internal predecessors, (633), 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 04:58:13,277 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-28 04:58:13,278 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 209 of 234 [2024-11-28 04:58:13,278 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-28 04:58:13,596 INFO L124 PetriNetUnfolderBase]: 114/845 cut-off events. [2024-11-28 04:58:13,596 INFO L125 PetriNetUnfolderBase]: For 164/169 co-relation queries the response was YES. [2024-11-28 04:58:13,603 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1281 conditions, 845 events. 114/845 cut-off events. For 164/169 co-relation queries the response was YES. Maximal size of possible extension queue 36. Compared 4476 event pairs, 72 based on Foata normal form. 4/793 useless extension candidates. Maximal degree in co-relation 1058. Up to 226 conditions per place. [2024-11-28 04:58:13,608 INFO L140 encePairwiseOnDemand]: 228/234 looper letters, 29 selfloop transitions, 7 changer transitions 0/247 dead transitions. [2024-11-28 04:58:13,608 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 238 places, 247 transitions, 634 flow [2024-11-28 04:58:13,609 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 04:58:13,609 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-28 04:58:13,611 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 658 transitions. [2024-11-28 04:58:13,613 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9373219373219374 [2024-11-28 04:58:13,613 INFO L175 Difference]: Start difference. First operand has 237 places, 238 transitions, 534 flow. Second operand 3 states and 658 transitions. [2024-11-28 04:58:13,613 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 238 places, 247 transitions, 634 flow [2024-11-28 04:58:13,620 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 236 places, 247 transitions, 614 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-28 04:58:13,625 INFO L231 Difference]: Finished difference. Result has 238 places, 243 transitions, 574 flow [2024-11-28 04:58:13,626 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=234, PETRI_DIFFERENCE_MINUEND_FLOW=518, PETRI_DIFFERENCE_MINUEND_PLACES=234, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=238, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=231, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=574, PETRI_PLACES=238, PETRI_TRANSITIONS=243} [2024-11-28 04:58:13,630 INFO L279 CegarLoopForPetriNet]: 233 programPoint places, 5 predicate places. [2024-11-28 04:58:13,630 INFO L471 AbstractCegarLoop]: Abstraction has has 238 places, 243 transitions, 574 flow [2024-11-28 04:58:13,631 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 211.0) internal successors, (633), 3 states have internal predecessors, (633), 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 04:58:13,631 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-28 04:58:13,631 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 04:58:13,632 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-28 04:58:13,633 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (and 8 more)] === [2024-11-28 04:58:13,635 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:58:13,635 INFO L85 PathProgramCache]: Analyzing trace with hash -719251036, now seen corresponding path program 1 times [2024-11-28 04:58:13,635 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 04:58:13,636 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2034066325] [2024-11-28 04:58:13,636 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:58:13,636 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:58:13,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:58:14,216 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 04:58:14,216 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 04:58:14,217 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2034066325] [2024-11-28 04:58:14,217 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2034066325] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 04:58:14,217 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 04:58:14,217 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-28 04:58:14,217 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [532769480] [2024-11-28 04:58:14,217 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 04:58:14,218 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 04:58:14,219 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 04:58:14,219 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 04:58:14,219 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 04:58:14,241 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 216 out of 234 [2024-11-28 04:58:14,242 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 238 places, 243 transitions, 574 flow. Second operand has 3 states, 3 states have (on average 217.33333333333334) internal successors, (652), 3 states have internal predecessors, (652), 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 04:58:14,242 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-28 04:58:14,242 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 216 of 234 [2024-11-28 04:58:14,243 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-28 04:58:14,474 INFO L124 PetriNetUnfolderBase]: 93/762 cut-off events. [2024-11-28 04:58:14,475 INFO L125 PetriNetUnfolderBase]: For 67/70 co-relation queries the response was YES. [2024-11-28 04:58:14,477 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1092 conditions, 762 events. 93/762 cut-off events. For 67/70 co-relation queries the response was YES. Maximal size of possible extension queue 33. Compared 3832 event pairs, 56 based on Foata normal form. 3/712 useless extension candidates. Maximal degree in co-relation 884. Up to 144 conditions per place. [2024-11-28 04:58:14,482 INFO L140 encePairwiseOnDemand]: 231/234 looper letters, 15 selfloop transitions, 2 changer transitions 3/248 dead transitions. [2024-11-28 04:58:14,482 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 240 places, 248 transitions, 624 flow [2024-11-28 04:58:14,483 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 04:58:14,483 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-28 04:58:14,484 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 669 transitions. [2024-11-28 04:58:14,486 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9529914529914529 [2024-11-28 04:58:14,487 INFO L175 Difference]: Start difference. First operand has 238 places, 243 transitions, 574 flow. Second operand 3 states and 669 transitions. [2024-11-28 04:58:14,488 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 240 places, 248 transitions, 624 flow [2024-11-28 04:58:14,492 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 238 places, 248 transitions, 610 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-28 04:58:14,498 INFO L231 Difference]: Finished difference. Result has 239 places, 244 transitions, 572 flow [2024-11-28 04:58:14,498 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=234, PETRI_DIFFERENCE_MINUEND_FLOW=560, PETRI_DIFFERENCE_MINUEND_PLACES=236, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=243, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=241, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=572, PETRI_PLACES=239, PETRI_TRANSITIONS=244} [2024-11-28 04:58:14,499 INFO L279 CegarLoopForPetriNet]: 233 programPoint places, 6 predicate places. [2024-11-28 04:58:14,500 INFO L471 AbstractCegarLoop]: Abstraction has has 239 places, 244 transitions, 572 flow [2024-11-28 04:58:14,501 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 217.33333333333334) internal successors, (652), 3 states have internal predecessors, (652), 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 04:58:14,501 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-28 04:58:14,501 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 04:58:14,502 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-28 04:58:14,502 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting threadErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (and 8 more)] === [2024-11-28 04:58:14,503 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:58:14,504 INFO L85 PathProgramCache]: Analyzing trace with hash -939637137, now seen corresponding path program 1 times [2024-11-28 04:58:14,504 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 04:58:14,504 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [251441364] [2024-11-28 04:58:14,505 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:58:14,505 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:58:14,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:58:14,715 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 04:58:14,716 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 04:58:14,716 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [251441364] [2024-11-28 04:58:14,716 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [251441364] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 04:58:14,716 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 04:58:14,716 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-28 04:58:14,716 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1790430526] [2024-11-28 04:58:14,717 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 04:58:14,717 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 04:58:14,718 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 04:58:14,718 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 04:58:14,719 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 04:58:14,739 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 214 out of 234 [2024-11-28 04:58:14,740 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 239 places, 244 transitions, 572 flow. Second operand has 3 states, 3 states have (on average 216.33333333333334) internal successors, (649), 3 states have internal predecessors, (649), 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 04:58:14,740 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-28 04:58:14,741 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 214 of 234 [2024-11-28 04:58:14,741 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-28 04:58:14,992 INFO L124 PetriNetUnfolderBase]: 93/723 cut-off events. [2024-11-28 04:58:14,992 INFO L125 PetriNetUnfolderBase]: For 36/40 co-relation queries the response was YES. [2024-11-28 04:58:14,994 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1044 conditions, 723 events. 93/723 cut-off events. For 36/40 co-relation queries the response was YES. Maximal size of possible extension queue 32. Compared 3713 event pairs, 55 based on Foata normal form. 0/679 useless extension candidates. Maximal degree in co-relation 859. Up to 131 conditions per place. [2024-11-28 04:58:14,996 INFO L140 encePairwiseOnDemand]: 229/234 looper letters, 22 selfloop transitions, 4 changer transitions 0/253 dead transitions. [2024-11-28 04:58:14,997 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 241 places, 253 transitions, 642 flow [2024-11-28 04:58:14,997 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 04:58:14,997 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-28 04:58:15,002 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 669 transitions. [2024-11-28 04:58:15,003 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9529914529914529 [2024-11-28 04:58:15,003 INFO L175 Difference]: Start difference. First operand has 239 places, 244 transitions, 572 flow. Second operand 3 states and 669 transitions. [2024-11-28 04:58:15,003 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 241 places, 253 transitions, 642 flow [2024-11-28 04:58:15,008 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 240 places, 253 transitions, 640 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-11-28 04:58:15,012 INFO L231 Difference]: Finished difference. Result has 242 places, 247 transitions, 600 flow [2024-11-28 04:58:15,013 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=234, PETRI_DIFFERENCE_MINUEND_FLOW=570, PETRI_DIFFERENCE_MINUEND_PLACES=238, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=244, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=240, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=600, PETRI_PLACES=242, PETRI_TRANSITIONS=247} [2024-11-28 04:58:15,013 INFO L279 CegarLoopForPetriNet]: 233 programPoint places, 9 predicate places. [2024-11-28 04:58:15,014 INFO L471 AbstractCegarLoop]: Abstraction has has 242 places, 247 transitions, 600 flow [2024-11-28 04:58:15,014 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 216.33333333333334) internal successors, (649), 3 states have internal predecessors, (649), 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 04:58:15,015 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-28 04:58:15,016 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 04:58:15,016 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-28 04:58:15,016 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (and 8 more)] === [2024-11-28 04:58:15,017 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:58:15,018 INFO L85 PathProgramCache]: Analyzing trace with hash 367551767, now seen corresponding path program 1 times [2024-11-28 04:58:15,018 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 04:58:15,019 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1045694319] [2024-11-28 04:58:15,019 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:58:15,019 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:58:15,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:58:15,188 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 04:58:15,189 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 04:58:15,189 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1045694319] [2024-11-28 04:58:15,189 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1045694319] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 04:58:15,189 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 04:58:15,189 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-28 04:58:15,190 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2050812329] [2024-11-28 04:58:15,190 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 04:58:15,190 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 04:58:15,191 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 04:58:15,191 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 04:58:15,191 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 04:58:15,207 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 216 out of 234 [2024-11-28 04:58:15,208 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 242 places, 247 transitions, 600 flow. Second operand has 3 states, 3 states have (on average 218.33333333333334) internal successors, (655), 3 states have internal predecessors, (655), 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 04:58:15,208 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-28 04:58:15,208 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 216 of 234 [2024-11-28 04:58:15,209 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-28 04:58:15,393 INFO L124 PetriNetUnfolderBase]: 85/770 cut-off events. [2024-11-28 04:58:15,393 INFO L125 PetriNetUnfolderBase]: For 84/91 co-relation queries the response was YES. [2024-11-28 04:58:15,395 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1146 conditions, 770 events. 85/770 cut-off events. For 84/91 co-relation queries the response was YES. Maximal size of possible extension queue 32. Compared 4072 event pairs, 45 based on Foata normal form. 0/724 useless extension candidates. Maximal degree in co-relation 938. Up to 113 conditions per place. [2024-11-28 04:58:15,398 INFO L140 encePairwiseOnDemand]: 230/234 looper letters, 17 selfloop transitions, 4 changer transitions 1/253 dead transitions. [2024-11-28 04:58:15,398 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 244 places, 253 transitions, 660 flow [2024-11-28 04:58:15,399 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 04:58:15,399 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-28 04:58:15,400 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 670 transitions. [2024-11-28 04:58:15,401 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9544159544159544 [2024-11-28 04:58:15,401 INFO L175 Difference]: Start difference. First operand has 242 places, 247 transitions, 600 flow. Second operand 3 states and 670 transitions. [2024-11-28 04:58:15,401 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 244 places, 253 transitions, 660 flow [2024-11-28 04:58:15,404 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 242 places, 253 transitions, 650 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-28 04:58:15,408 INFO L231 Difference]: Finished difference. Result has 244 places, 249 transitions, 620 flow [2024-11-28 04:58:15,409 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=234, PETRI_DIFFERENCE_MINUEND_FLOW=592, PETRI_DIFFERENCE_MINUEND_PLACES=240, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=247, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=243, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=620, PETRI_PLACES=244, PETRI_TRANSITIONS=249} [2024-11-28 04:58:15,409 INFO L279 CegarLoopForPetriNet]: 233 programPoint places, 11 predicate places. [2024-11-28 04:58:15,409 INFO L471 AbstractCegarLoop]: Abstraction has has 244 places, 249 transitions, 620 flow [2024-11-28 04:58:15,410 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 218.33333333333334) internal successors, (655), 3 states have internal predecessors, (655), 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 04:58:15,410 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-28 04:58:15,410 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 04:58:15,411 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-28 04:58:15,411 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting threadErr2ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (and 8 more)] === [2024-11-28 04:58:15,412 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:58:15,412 INFO L85 PathProgramCache]: Analyzing trace with hash -1360885294, now seen corresponding path program 1 times [2024-11-28 04:58:15,412 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 04:58:15,412 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [811377592] [2024-11-28 04:58:15,412 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:58:15,413 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:58:15,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:58:15,550 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 04:58:15,551 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 04:58:15,551 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [811377592] [2024-11-28 04:58:15,551 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [811377592] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 04:58:15,551 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 04:58:15,551 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-28 04:58:15,552 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1693050426] [2024-11-28 04:58:15,552 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 04:58:15,552 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 04:58:15,553 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 04:58:15,553 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 04:58:15,553 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 04:58:15,593 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 211 out of 234 [2024-11-28 04:58:15,595 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 244 places, 249 transitions, 620 flow. Second operand has 3 states, 3 states have (on average 215.0) internal successors, (645), 3 states have internal predecessors, (645), 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 04:58:15,595 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-28 04:58:15,595 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 211 of 234 [2024-11-28 04:58:15,595 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-28 04:58:15,823 INFO L124 PetriNetUnfolderBase]: 159/956 cut-off events. [2024-11-28 04:58:15,824 INFO L125 PetriNetUnfolderBase]: For 187/193 co-relation queries the response was YES. [2024-11-28 04:58:15,826 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1633 conditions, 956 events. 159/956 cut-off events. For 187/193 co-relation queries the response was YES. Maximal size of possible extension queue 49. Compared 5475 event pairs, 73 based on Foata normal form. 1/920 useless extension candidates. Maximal degree in co-relation 1450. Up to 274 conditions per place. [2024-11-28 04:58:15,830 INFO L140 encePairwiseOnDemand]: 227/234 looper letters, 29 selfloop transitions, 11 changer transitions 4/262 dead transitions. [2024-11-28 04:58:15,830 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 246 places, 262 transitions, 742 flow [2024-11-28 04:58:15,831 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 04:58:15,831 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-28 04:58:15,832 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 665 transitions. [2024-11-28 04:58:15,833 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9472934472934473 [2024-11-28 04:58:15,833 INFO L175 Difference]: Start difference. First operand has 244 places, 249 transitions, 620 flow. Second operand 3 states and 665 transitions. [2024-11-28 04:58:15,833 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 246 places, 262 transitions, 742 flow [2024-11-28 04:58:15,837 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 244 places, 262 transitions, 734 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-28 04:58:15,841 INFO L231 Difference]: Finished difference. Result has 246 places, 253 transitions, 688 flow [2024-11-28 04:58:15,841 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=234, PETRI_DIFFERENCE_MINUEND_FLOW=612, PETRI_DIFFERENCE_MINUEND_PLACES=242, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=249, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=238, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=688, PETRI_PLACES=246, PETRI_TRANSITIONS=253} [2024-11-28 04:58:15,842 INFO L279 CegarLoopForPetriNet]: 233 programPoint places, 13 predicate places. [2024-11-28 04:58:15,842 INFO L471 AbstractCegarLoop]: Abstraction has has 246 places, 253 transitions, 688 flow [2024-11-28 04:58:15,843 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 215.0) internal successors, (645), 3 states have internal predecessors, (645), 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 04:58:15,843 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-28 04:58:15,843 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 04:58:15,843 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-28 04:58:15,843 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting threadErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (and 8 more)] === [2024-11-28 04:58:15,845 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:58:15,845 INFO L85 PathProgramCache]: Analyzing trace with hash 91526343, now seen corresponding path program 1 times [2024-11-28 04:58:15,845 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 04:58:15,846 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [708256830] [2024-11-28 04:58:15,846 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:58:15,846 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:58:15,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-28 04:58:15,933 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-28 04:58:15,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-28 04:58:16,097 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-28 04:58:16,098 INFO L340 BasicCegarLoop]: Counterexample is feasible [2024-11-28 04:58:16,099 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location threadErr0ASSERT_VIOLATIONDATA_RACE (10 of 11 remaining) [2024-11-28 04:58:16,103 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (9 of 11 remaining) [2024-11-28 04:58:16,103 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (8 of 11 remaining) [2024-11-28 04:58:16,103 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (7 of 11 remaining) [2024-11-28 04:58:16,103 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (6 of 11 remaining) [2024-11-28 04:58:16,103 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (5 of 11 remaining) [2024-11-28 04:58:16,104 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location threadErr0ASSERT_VIOLATIONDATA_RACE (4 of 11 remaining) [2024-11-28 04:58:16,104 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location threadErr1ASSERT_VIOLATIONDATA_RACE (3 of 11 remaining) [2024-11-28 04:58:16,104 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location threadErr2ASSERT_VIOLATIONDATA_RACE (2 of 11 remaining) [2024-11-28 04:58:16,104 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location threadErr1ASSERT_VIOLATIONDATA_RACE (1 of 11 remaining) [2024-11-28 04:58:16,104 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location threadErr2ASSERT_VIOLATIONDATA_RACE (0 of 11 remaining) [2024-11-28 04:58:16,104 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-28 04:58:16,104 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1] [2024-11-28 04:58:16,256 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Expected StepInfo for loop construct to contain Condition, but it did not [2024-11-28 04:58:16,257 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Expected StepInfo for loop construct to contain Condition, but it did not [2024-11-28 04:58:16,259 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: The program execution was not completely translated back. [2024-11-28 04:58:16,270 INFO L241 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-11-28 04:58:16,271 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-28 04:58:16,282 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.11 04:58:16 BasicIcfg [2024-11-28 04:58:16,282 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-28 04:58:16,283 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-28 04:58:16,283 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-28 04:58:16,283 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-28 04:58:16,284 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 04:58:11" (3/4) ... [2024-11-28 04:58:16,285 INFO L140 WitnessPrinter]: Generating witness for reachability counterexample [2024-11-28 04:58:16,404 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Expected StepInfo for loop construct to contain Condition, but it did not [2024-11-28 04:58:16,404 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Expected StepInfo for loop construct to contain Condition, but it did not [2024-11-28 04:58:16,406 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: The program execution was not completely translated back. [2024-11-28 04:58:16,471 INFO L129 tionWitnessGenerator]: Generated YAML witness of length 7. [2024-11-28 04:58:16,533 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_020e8034-cd48-4dc7-a113-035620de62ff/bin/uautomizer-verify-aQ6SnzHsRB/witness.graphml [2024-11-28 04:58:16,534 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_020e8034-cd48-4dc7-a113-035620de62ff/bin/uautomizer-verify-aQ6SnzHsRB/witness.yml [2024-11-28 04:58:16,534 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-28 04:58:16,535 INFO L158 Benchmark]: Toolchain (without parser) took 6962.65ms. Allocated memory was 117.4MB in the beginning and 352.3MB in the end (delta: 234.9MB). Free memory was 92.7MB in the beginning and 230.5MB in the end (delta: -137.8MB). Peak memory consumption was 93.3MB. Max. memory is 16.1GB. [2024-11-28 04:58:16,536 INFO L158 Benchmark]: CDTParser took 0.32ms. Allocated memory is still 167.8MB. Free memory is still 103.6MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-28 04:58:16,536 INFO L158 Benchmark]: CACSL2BoogieTranslator took 555.03ms. Allocated memory is still 117.4MB. Free memory was 92.7MB in the beginning and 72.0MB in the end (delta: 20.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-28 04:58:16,537 INFO L158 Benchmark]: Boogie Procedure Inliner took 68.20ms. Allocated memory is still 117.4MB. Free memory was 72.0MB in the beginning and 69.8MB in the end (delta: 2.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-28 04:58:16,537 INFO L158 Benchmark]: Boogie Preprocessor took 51.67ms. Allocated memory is still 117.4MB. Free memory was 69.8MB in the beginning and 67.9MB in the end (delta: 1.9MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-28 04:58:16,538 INFO L158 Benchmark]: RCFGBuilder took 869.09ms. Allocated memory is still 117.4MB. Free memory was 67.5MB in the beginning and 46.1MB in the end (delta: 21.4MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-28 04:58:16,539 INFO L158 Benchmark]: TraceAbstraction took 5159.08ms. Allocated memory was 117.4MB in the beginning and 352.3MB in the end (delta: 234.9MB). Free memory was 45.4MB in the beginning and 267.8MB in the end (delta: -222.4MB). Peak memory consumption was 9.4MB. Max. memory is 16.1GB. [2024-11-28 04:58:16,539 INFO L158 Benchmark]: Witness Printer took 251.32ms. Allocated memory is still 352.3MB. Free memory was 267.8MB in the beginning and 230.5MB in the end (delta: 37.3MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. [2024-11-28 04:58:16,541 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.32ms. Allocated memory is still 167.8MB. Free memory is still 103.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 555.03ms. Allocated memory is still 117.4MB. Free memory was 92.7MB in the beginning and 72.0MB in the end (delta: 20.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 68.20ms. Allocated memory is still 117.4MB. Free memory was 72.0MB in the beginning and 69.8MB in the end (delta: 2.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 51.67ms. Allocated memory is still 117.4MB. Free memory was 69.8MB in the beginning and 67.9MB in the end (delta: 1.9MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 869.09ms. Allocated memory is still 117.4MB. Free memory was 67.5MB in the beginning and 46.1MB in the end (delta: 21.4MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * TraceAbstraction took 5159.08ms. Allocated memory was 117.4MB in the beginning and 352.3MB in the end (delta: 234.9MB). Free memory was 45.4MB in the beginning and 267.8MB in the end (delta: -222.4MB). Peak memory consumption was 9.4MB. Max. memory is 16.1GB. * Witness Printer took 251.32ms. Allocated memory is still 352.3MB. Free memory was 267.8MB in the beginning and 230.5MB in the end (delta: 37.3MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Expected StepInfo for loop construct to contain Condition, but it did not - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Expected StepInfo for loop construct to contain Condition, but it did not - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: The program execution was not completely translated back. - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Expected StepInfo for loop construct to contain Condition, but it did not - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Expected StepInfo for loop construct to contain Condition, but it did not - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: The program execution was not completely translated back. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - DataRaceFoundResult [Line: 692]: Data race detected Data race detected The following path leads to a data race: [L685] 0 int threads_alive = -1; VAL [threads_alive=-1] [L686] 0 pthread_mutex_t threads_alive_mutex = { { 0, 0, 0, PTHREAD_MUTEX_TIMED_NP, 0, { { 0, 0 } } } }; VAL [threads_alive=-1, threads_alive_mutex={1:0}] [L687] 0 pthread_cond_t threads_alive_cond = { { {0}, {0}, {0, 0}, {0, 0}, 0, 0, {0, 0} } }; VAL [threads_alive=-1, threads_alive_mutex={1:0}] [L688] 0 int data = 0; VAL [data=0, threads_alive=-1, threads_alive_mutex={1:0}] [L689] 0 pthread_mutex_t data_mutex = { { 0, 0, 0, PTHREAD_MUTEX_TIMED_NP, 0, { { 0, 0 } } } }; VAL [data=0, data_mutex={2:0}, threads_alive=-1, threads_alive_mutex={1:0}] [L701] 0 int threads_total = __VERIFIER_nondet_int(); VAL [data=0, data_mutex={2:0}, threads_alive=-1, threads_alive_mutex={1:0}, threads_total=1] [L702] CALL 0 assume_abort_if_not(threads_total >= 0) [L682] COND FALSE 0 !(!cond) VAL [\old(cond)=1, cond=1, data=0, data_mutex={2:0}, threads_alive=-1, threads_alive_mutex={1:0}] [L702] RET 0 assume_abort_if_not(threads_total >= 0) [L703] 0 int i = 0; VAL [data=0, data_mutex={2:0}, i=0, threads_alive=-1, threads_alive_mutex={1:0}, threads_total=1] [L703] COND TRUE 0 i < threads_total VAL [data=0, data_mutex={2:0}, i=0, threads_alive=-1, threads_alive_mutex={1:0}, threads_total=1] [L705] 0 threads_alive++ VAL [data=0, data_mutex={2:0}, i=0, threads_alive=0, threads_alive_mutex={1:0}, threads_total=1] [L707] 0 pthread_t tid; VAL [data=0, data_mutex={2:0}, i=0, threads_alive=0, threads_alive_mutex={1:0}, threads_total=1] [L708] FCALL, FORK 0 pthread_create(&tid, ((void *)0), &thread, ((void *)0)) VAL [\old(arg)={0:0}, data=0, data_mutex={2:0}, i=0, threads_alive=0, threads_alive_mutex={1:0}, threads_total=1, tid=-1] [L703] 0 i++ VAL [\old(arg)={0:0}, arg={0:0}, data=0, data_mutex={2:0}, i=1, threads_alive=0, threads_alive_mutex={1:0}, threads_total=1] [L703] COND FALSE 0 !(i < threads_total) VAL [\old(arg)={0:0}, arg={0:0}, data=0, data_mutex={2:0}, i=1, threads_alive=0, threads_alive_mutex={1:0}, threads_total=1] [L712] COND FALSE 0 !(\read(threads_alive)) VAL [\old(arg)={0:0}, arg={0:0}, data=0, data_mutex={2:0}, threads_alive=0, threads_alive_mutex={1:0}, threads_total=1] [L692] 1 data = __VERIFIER_nondet_int() VAL [\old(arg)={0:0}, arg={0:0}, data=0, data_mutex={2:0}, threads_alive=0, threads_alive_mutex={1:0}] [L715] 0 return data; VAL [\old(arg)={0:0}, arg={0:0}, data=0, data_mutex={2:0}, threads_alive=0, threads_alive_mutex={1:0}, threads_total=1] [L692] 1 data = __VERIFIER_nondet_int() VAL [\old(arg)={0:0}, arg={0:0}, data=0, data_mutex={2:0}, threads_alive=0, threads_alive_mutex={1:0}] Now there is a data race on ~data~0 between C: return data; [715] and C: data = __VERIFIER_nondet_int() [692] - UnprovableResult [Line: 705]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 712]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 715]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 705]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 708]: 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: 695]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 695]: 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, 263 locations, 11 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 0.1s, RemoveRedundantFlowTime: 0.0s, RemoveRedundantFlowUnfoldingTime: 0.0s, BackfoldingTime: 0.0s, BackfoldingUnfoldingTime: 0.0s, FlowIncreaseByBackfolding: 0, BasicCegarLoop: OverallTime: 4.7s, OverallIterations: 7, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 2.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.2s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 146 SdHoareTripleChecker+Valid, 0.5s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 62 mSDsluCounter, 19 SdHoareTripleChecker+Invalid, 0.4s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 11 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 270 IncrementalHoareTripleChecker+Invalid, 281 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 11 mSolverCounterUnsat, 19 mSDtfsCounter, 270 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 13 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=688occurred 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: 0.1s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 1.3s InterpolantComputationTime, 1222 NumberOfCodeBlocks, 1222 NumberOfCodeBlocksAsserted, 7 NumberOfCheckSat, 1021 ConstructedInterpolants, 0 QuantifiedInterpolants, 1639 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 04:58:16,571 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_020e8034-cd48-4dc7-a113-035620de62ff/bin/uautomizer-verify-aQ6SnzHsRB/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(DATA-RACE)