./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-data-race.prp --file ../../sv-benchmarks/c/weaver/parallel-simple-equiv.wvr.c --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_76669da6-a6b2-4e01-bbc9-ee984ce18c16/bin/uautomizer-verify-aQ6SnzHsRB/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76669da6-a6b2-4e01-bbc9-ee984ce18c16/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_76669da6-a6b2-4e01-bbc9-ee984ce18c16/bin/uautomizer-verify-aQ6SnzHsRB/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76669da6-a6b2-4e01-bbc9-ee984ce18c16/bin/uautomizer-verify-aQ6SnzHsRB/config/AutomizerReach.xml -i ../../sv-benchmarks/c/weaver/parallel-simple-equiv.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76669da6-a6b2-4e01-bbc9-ee984ce18c16/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_76669da6-a6b2-4e01-bbc9-ee984ce18c16/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 de0411014dc6a77a3d6f6b87d1d3911a4ed9d471cff70aeb544ffa33b63e5b55 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-28 03:29:46,404 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-28 03:29:46,495 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76669da6-a6b2-4e01-bbc9-ee984ce18c16/bin/uautomizer-verify-aQ6SnzHsRB/config/svcomp-DataRace-32bit-Automizer_Default.epf [2024-11-28 03:29:46,503 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-28 03:29:46,503 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-28 03:29:46,535 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-28 03:29:46,536 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-28 03:29:46,536 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-28 03:29:46,537 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-28 03:29:46,537 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-28 03:29:46,537 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-28 03:29:46,537 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-28 03:29:46,537 INFO L153 SettingsManager]: * Use SBE=true [2024-11-28 03:29:46,538 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-28 03:29:46,538 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-28 03:29:46,538 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-28 03:29:46,538 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-28 03:29:46,538 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-28 03:29:46,538 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-28 03:29:46,538 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-28 03:29:46,539 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-28 03:29:46,539 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-28 03:29:46,539 INFO L153 SettingsManager]: * Check absence of data races in concurrent programs=true [2024-11-28 03:29:46,539 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-28 03:29:46,539 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-28 03:29:46,539 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-28 03:29:46,539 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-28 03:29:46,540 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-28 03:29:46,540 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-28 03:29:46,540 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-28 03:29:46,540 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-28 03:29:46,540 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 03:29:46,540 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-28 03:29:46,541 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-28 03:29:46,541 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-28 03:29:46,541 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 03:29:46,541 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-28 03:29:46,541 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-28 03:29:46,541 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-11-28 03:29:46,541 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-28 03:29:46,542 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-28 03:29:46,542 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-28 03:29:46,542 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-28 03:29:46,542 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-28 03:29:46,542 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-28 03:29:46,542 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-28 03:29:46,542 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_76669da6-a6b2-4e01-bbc9-ee984ce18c16/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 -> de0411014dc6a77a3d6f6b87d1d3911a4ed9d471cff70aeb544ffa33b63e5b55 [2024-11-28 03:29:46,845 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-28 03:29:46,859 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-28 03:29:46,861 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-28 03:29:46,862 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-28 03:29:46,863 INFO L274 PluginConnector]: CDTParser initialized [2024-11-28 03:29:46,864 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76669da6-a6b2-4e01-bbc9-ee984ce18c16/bin/uautomizer-verify-aQ6SnzHsRB/../../sv-benchmarks/c/weaver/parallel-simple-equiv.wvr.c [2024-11-28 03:29:49,861 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76669da6-a6b2-4e01-bbc9-ee984ce18c16/bin/uautomizer-verify-aQ6SnzHsRB/data/9cdb02bb1/9bb6af1c06d342ad9c01653d2563f7f7/FLAG83d204eda [2024-11-28 03:29:50,193 INFO L384 CDTParser]: Found 1 translation units. [2024-11-28 03:29:50,194 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76669da6-a6b2-4e01-bbc9-ee984ce18c16/sv-benchmarks/c/weaver/parallel-simple-equiv.wvr.c [2024-11-28 03:29:50,206 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76669da6-a6b2-4e01-bbc9-ee984ce18c16/bin/uautomizer-verify-aQ6SnzHsRB/data/9cdb02bb1/9bb6af1c06d342ad9c01653d2563f7f7/FLAG83d204eda [2024-11-28 03:29:50,246 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76669da6-a6b2-4e01-bbc9-ee984ce18c16/bin/uautomizer-verify-aQ6SnzHsRB/data/9cdb02bb1/9bb6af1c06d342ad9c01653d2563f7f7 [2024-11-28 03:29:50,249 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-28 03:29:50,251 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-28 03:29:50,253 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-28 03:29:50,253 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-28 03:29:50,261 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-28 03:29:50,262 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 03:29:50" (1/1) ... [2024-11-28 03:29:50,263 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3642f5a0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:29:50, skipping insertion in model container [2024-11-28 03:29:50,263 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 03:29:50" (1/1) ... [2024-11-28 03:29:50,286 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-28 03:29:50,496 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-28 03:29:50,506 INFO L200 MainTranslator]: Completed pre-run [2024-11-28 03:29:50,526 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-28 03:29:50,541 INFO L204 MainTranslator]: Completed translation [2024-11-28 03:29:50,541 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:29:50 WrapperNode [2024-11-28 03:29:50,541 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-28 03:29:50,542 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-28 03:29:50,543 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-28 03:29:50,543 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-28 03:29:50,550 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:29:50" (1/1) ... [2024-11-28 03:29:50,556 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:29:50" (1/1) ... [2024-11-28 03:29:50,580 INFO L138 Inliner]: procedures = 19, calls = 12, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 70 [2024-11-28 03:29:50,581 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-28 03:29:50,581 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-28 03:29:50,581 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-28 03:29:50,582 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-28 03:29:50,591 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:29:50" (1/1) ... [2024-11-28 03:29:50,591 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:29:50" (1/1) ... [2024-11-28 03:29:50,593 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:29:50" (1/1) ... [2024-11-28 03:29:50,594 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:29:50" (1/1) ... [2024-11-28 03:29:50,603 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:29:50" (1/1) ... [2024-11-28 03:29:50,604 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:29:50" (1/1) ... [2024-11-28 03:29:50,610 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:29:50" (1/1) ... [2024-11-28 03:29:50,611 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:29:50" (1/1) ... [2024-11-28 03:29:50,611 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:29:50" (1/1) ... [2024-11-28 03:29:50,616 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-28 03:29:50,617 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-28 03:29:50,617 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-28 03:29:50,617 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-28 03:29:50,618 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:29:50" (1/1) ... [2024-11-28 03:29:50,631 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 03:29:50,648 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76669da6-a6b2-4e01-bbc9-ee984ce18c16/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 03:29:50,659 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76669da6-a6b2-4e01-bbc9-ee984ce18c16/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-28 03:29:50,661 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76669da6-a6b2-4e01-bbc9-ee984ce18c16/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-28 03:29:50,681 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-28 03:29:50,681 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2024-11-28 03:29:50,681 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2024-11-28 03:29:50,681 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2024-11-28 03:29:50,681 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2024-11-28 03:29:50,681 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2024-11-28 03:29:50,682 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2024-11-28 03:29:50,682 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-28 03:29:50,682 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-28 03:29:50,682 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-28 03:29:50,683 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 03:29:50,769 INFO L234 CfgBuilder]: Building ICFG [2024-11-28 03:29:50,771 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-28 03:29:51,023 INFO L279 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-11-28 03:29:51,023 INFO L283 CfgBuilder]: Performing block encoding [2024-11-28 03:29:51,055 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-28 03:29:51,055 INFO L312 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-28 03:29:51,056 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 03:29:51 BoogieIcfgContainer [2024-11-28 03:29:51,056 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-28 03:29:51,058 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-28 03:29:51,058 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-28 03:29:51,063 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-28 03:29:51,063 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.11 03:29:50" (1/3) ... [2024-11-28 03:29:51,064 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5e1be393 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 03:29:51, skipping insertion in model container [2024-11-28 03:29:51,064 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:29:50" (2/3) ... [2024-11-28 03:29:51,064 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5e1be393 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 03:29:51, skipping insertion in model container [2024-11-28 03:29:51,064 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 03:29:51" (3/3) ... [2024-11-28 03:29:51,066 INFO L128 eAbstractionObserver]: Analyzing ICFG parallel-simple-equiv.wvr.c [2024-11-28 03:29:51,085 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-28 03:29:51,088 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG parallel-simple-equiv.wvr.c that has 4 procedures, 135 locations, 1 initial locations, 0 loop locations, and 12 error locations. [2024-11-28 03:29:51,088 INFO L491 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-11-28 03:29:51,220 INFO L143 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2024-11-28 03:29:51,278 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 144 places, 136 transitions, 293 flow [2024-11-28 03:29:51,340 INFO L124 PetriNetUnfolderBase]: 2/133 cut-off events. [2024-11-28 03:29:51,342 INFO L125 PetriNetUnfolderBase]: For 3/3 co-relation queries the response was YES. [2024-11-28 03:29:51,347 INFO L83 FinitePrefix]: Finished finitePrefix Result has 146 conditions, 133 events. 2/133 cut-off events. For 3/3 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 58 event pairs, 0 based on Foata normal form. 0/119 useless extension candidates. Maximal degree in co-relation 73. Up to 2 conditions per place. [2024-11-28 03:29:51,347 INFO L82 GeneralOperation]: Start removeDead. Operand has 144 places, 136 transitions, 293 flow [2024-11-28 03:29:51,351 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 125 places, 116 transitions, 250 flow [2024-11-28 03:29:51,362 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-28 03:29:51,381 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;@2b9ceab7, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-28 03:29:51,385 INFO L334 AbstractCegarLoop]: Starting to check reachability of 23 error locations. [2024-11-28 03:29:51,393 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-11-28 03:29:51,393 INFO L124 PetriNetUnfolderBase]: 0/21 cut-off events. [2024-11-28 03:29:51,394 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-28 03:29:51,394 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-28 03:29:51,394 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] [2024-11-28 03:29:51,395 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [thread3Err0ASSERT_VIOLATIONDATA_RACE, thread3Err1ASSERT_VIOLATIONDATA_RACE, thread3Err2ASSERT_VIOLATIONDATA_RACE, thread3Err3ASSERT_VIOLATIONDATA_RACE (and 19 more)] === [2024-11-28 03:29:51,404 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:29:51,404 INFO L85 PathProgramCache]: Analyzing trace with hash 499808123, now seen corresponding path program 1 times [2024-11-28 03:29:51,412 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 03:29:51,412 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1734824574] [2024-11-28 03:29:51,413 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:29:51,413 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:29:51,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:29:51,607 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 03:29:51,608 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 03:29:51,608 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1734824574] [2024-11-28 03:29:51,609 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1734824574] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 03:29:51,609 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 03:29:51,609 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-28 03:29:51,611 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1831725449] [2024-11-28 03:29:51,611 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 03:29:51,620 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 03:29:51,628 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 03:29:51,653 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 03:29:51,654 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 03:29:51,768 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 112 out of 136 [2024-11-28 03:29:51,772 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 125 places, 116 transitions, 250 flow. Second operand has 3 states, 3 states have (on average 113.33333333333333) internal successors, (340), 3 states have internal predecessors, (340), 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 03:29:51,772 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-28 03:29:51,772 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 112 of 136 [2024-11-28 03:29:51,773 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-28 03:29:51,885 INFO L124 PetriNetUnfolderBase]: 39/249 cut-off events. [2024-11-28 03:29:51,885 INFO L125 PetriNetUnfolderBase]: For 53/53 co-relation queries the response was YES. [2024-11-28 03:29:51,888 INFO L83 FinitePrefix]: Finished finitePrefix Result has 372 conditions, 249 events. 39/249 cut-off events. For 53/53 co-relation queries the response was YES. Maximal size of possible extension queue 11. Compared 786 event pairs, 39 based on Foata normal form. 1/218 useless extension candidates. Maximal degree in co-relation 265. Up to 87 conditions per place. [2024-11-28 03:29:51,891 INFO L140 encePairwiseOnDemand]: 132/136 looper letters, 17 selfloop transitions, 2 changer transitions 1/114 dead transitions. [2024-11-28 03:29:51,891 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 126 places, 114 transitions, 284 flow [2024-11-28 03:29:51,892 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 03:29:51,895 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-28 03:29:51,904 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 357 transitions. [2024-11-28 03:29:51,906 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.875 [2024-11-28 03:29:51,908 INFO L175 Difference]: Start difference. First operand has 125 places, 116 transitions, 250 flow. Second operand 3 states and 357 transitions. [2024-11-28 03:29:51,909 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 126 places, 114 transitions, 284 flow [2024-11-28 03:29:51,915 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 120 places, 114 transitions, 272 flow, removed 0 selfloop flow, removed 6 redundant places. [2024-11-28 03:29:51,921 INFO L231 Difference]: Finished difference. Result has 120 places, 113 transitions, 236 flow [2024-11-28 03:29:51,924 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=136, PETRI_DIFFERENCE_MINUEND_FLOW=234, PETRI_DIFFERENCE_MINUEND_PLACES=118, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=114, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=112, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=236, PETRI_PLACES=120, PETRI_TRANSITIONS=113} [2024-11-28 03:29:51,929 INFO L279 CegarLoopForPetriNet]: 125 programPoint places, -5 predicate places. [2024-11-28 03:29:51,929 INFO L471 AbstractCegarLoop]: Abstraction has has 120 places, 113 transitions, 236 flow [2024-11-28 03:29:51,929 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 113.33333333333333) internal successors, (340), 3 states have internal predecessors, (340), 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 03:29:51,929 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-28 03:29:51,929 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] [2024-11-28 03:29:51,930 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-28 03:29:51,930 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [thread3Err0ASSERT_VIOLATIONDATA_RACE, thread3Err1ASSERT_VIOLATIONDATA_RACE, thread3Err2ASSERT_VIOLATIONDATA_RACE, thread3Err3ASSERT_VIOLATIONDATA_RACE (and 19 more)] === [2024-11-28 03:29:51,931 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:29:51,934 INFO L85 PathProgramCache]: Analyzing trace with hash -691008764, now seen corresponding path program 1 times [2024-11-28 03:29:51,934 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 03:29:51,934 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [347766773] [2024-11-28 03:29:51,934 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:29:51,935 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:29:51,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:29:52,030 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 03:29:52,031 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 03:29:52,031 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [347766773] [2024-11-28 03:29:52,031 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [347766773] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 03:29:52,031 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 03:29:52,031 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-28 03:29:52,031 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1737668493] [2024-11-28 03:29:52,031 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 03:29:52,033 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 03:29:52,033 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 03:29:52,033 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 03:29:52,033 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 03:29:52,084 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 114 out of 136 [2024-11-28 03:29:52,085 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 120 places, 113 transitions, 236 flow. Second operand has 3 states, 3 states have (on average 115.33333333333333) internal successors, (346), 3 states have internal predecessors, (346), 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 03:29:52,085 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-28 03:29:52,085 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 114 of 136 [2024-11-28 03:29:52,085 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-28 03:29:52,182 INFO L124 PetriNetUnfolderBase]: 39/247 cut-off events. [2024-11-28 03:29:52,182 INFO L125 PetriNetUnfolderBase]: For 15/15 co-relation queries the response was YES. [2024-11-28 03:29:52,183 INFO L83 FinitePrefix]: Finished finitePrefix Result has 345 conditions, 247 events. 39/247 cut-off events. For 15/15 co-relation queries the response was YES. Maximal size of possible extension queue 11. Compared 786 event pairs, 39 based on Foata normal form. 0/217 useless extension candidates. Maximal degree in co-relation 315. Up to 85 conditions per place. [2024-11-28 03:29:52,186 INFO L140 encePairwiseOnDemand]: 133/136 looper letters, 15 selfloop transitions, 2 changer transitions 0/112 dead transitions. [2024-11-28 03:29:52,187 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 120 places, 112 transitions, 268 flow [2024-11-28 03:29:52,187 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 03:29:52,188 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-28 03:29:52,190 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 360 transitions. [2024-11-28 03:29:52,193 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.8823529411764706 [2024-11-28 03:29:52,194 INFO L175 Difference]: Start difference. First operand has 120 places, 113 transitions, 236 flow. Second operand 3 states and 360 transitions. [2024-11-28 03:29:52,194 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 120 places, 112 transitions, 268 flow [2024-11-28 03:29:52,195 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 118 places, 112 transitions, 264 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-28 03:29:52,197 INFO L231 Difference]: Finished difference. Result has 118 places, 112 transitions, 234 flow [2024-11-28 03:29:52,197 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=136, PETRI_DIFFERENCE_MINUEND_FLOW=230, PETRI_DIFFERENCE_MINUEND_PLACES=116, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=112, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=110, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=234, PETRI_PLACES=118, PETRI_TRANSITIONS=112} [2024-11-28 03:29:52,198 INFO L279 CegarLoopForPetriNet]: 125 programPoint places, -7 predicate places. [2024-11-28 03:29:52,198 INFO L471 AbstractCegarLoop]: Abstraction has has 118 places, 112 transitions, 234 flow [2024-11-28 03:29:52,198 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 115.33333333333333) internal successors, (346), 3 states have internal predecessors, (346), 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 03:29:52,198 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-28 03:29:52,199 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] [2024-11-28 03:29:52,199 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-28 03:29:52,199 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [thread3Err0ASSERT_VIOLATIONDATA_RACE, thread3Err1ASSERT_VIOLATIONDATA_RACE, thread3Err2ASSERT_VIOLATIONDATA_RACE, thread3Err3ASSERT_VIOLATIONDATA_RACE (and 19 more)] === [2024-11-28 03:29:52,200 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:29:52,200 INFO L85 PathProgramCache]: Analyzing trace with hash -1972543682, now seen corresponding path program 1 times [2024-11-28 03:29:52,200 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 03:29:52,200 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1245097236] [2024-11-28 03:29:52,200 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:29:52,200 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:29:52,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:29:52,269 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 03:29:52,269 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 03:29:52,269 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1245097236] [2024-11-28 03:29:52,269 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1245097236] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 03:29:52,269 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 03:29:52,269 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-28 03:29:52,269 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1740002755] [2024-11-28 03:29:52,270 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 03:29:52,270 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 03:29:52,270 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 03:29:52,271 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 03:29:52,271 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 03:29:52,329 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 110 out of 136 [2024-11-28 03:29:52,329 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 118 places, 112 transitions, 234 flow. Second operand has 3 states, 3 states have (on average 111.0) internal successors, (333), 3 states have internal predecessors, (333), 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 03:29:52,330 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-28 03:29:52,330 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 110 of 136 [2024-11-28 03:29:52,330 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-28 03:29:52,455 INFO L124 PetriNetUnfolderBase]: 55/415 cut-off events. [2024-11-28 03:29:52,455 INFO L125 PetriNetUnfolderBase]: For 22/22 co-relation queries the response was YES. [2024-11-28 03:29:52,458 INFO L83 FinitePrefix]: Finished finitePrefix Result has 542 conditions, 415 events. 55/415 cut-off events. For 22/22 co-relation queries the response was YES. Maximal size of possible extension queue 16. Compared 1789 event pairs, 39 based on Foata normal form. 1/366 useless extension candidates. Maximal degree in co-relation 505. Up to 83 conditions per place. [2024-11-28 03:29:52,462 INFO L140 encePairwiseOnDemand]: 127/136 looper letters, 16 selfloop transitions, 4 changer transitions 2/112 dead transitions. [2024-11-28 03:29:52,462 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 116 places, 112 transitions, 280 flow [2024-11-28 03:29:52,463 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 03:29:52,463 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-28 03:29:52,464 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 356 transitions. [2024-11-28 03:29:52,464 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.8725490196078431 [2024-11-28 03:29:52,464 INFO L175 Difference]: Start difference. First operand has 118 places, 112 transitions, 234 flow. Second operand 3 states and 356 transitions. [2024-11-28 03:29:52,465 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 116 places, 112 transitions, 280 flow [2024-11-28 03:29:52,466 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 114 places, 112 transitions, 276 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-28 03:29:52,467 INFO L231 Difference]: Finished difference. Result has 114 places, 106 transitions, 225 flow [2024-11-28 03:29:52,469 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=136, PETRI_DIFFERENCE_MINUEND_FLOW=222, PETRI_DIFFERENCE_MINUEND_PLACES=112, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=108, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=104, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=225, PETRI_PLACES=114, PETRI_TRANSITIONS=106} [2024-11-28 03:29:52,471 INFO L279 CegarLoopForPetriNet]: 125 programPoint places, -11 predicate places. [2024-11-28 03:29:52,471 INFO L471 AbstractCegarLoop]: Abstraction has has 114 places, 106 transitions, 225 flow [2024-11-28 03:29:52,471 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 111.0) internal successors, (333), 3 states have internal predecessors, (333), 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 03:29:52,471 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-28 03:29:52,472 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] [2024-11-28 03:29:52,472 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-28 03:29:52,472 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting thread3Err1ASSERT_VIOLATIONDATA_RACE === [thread3Err0ASSERT_VIOLATIONDATA_RACE, thread3Err1ASSERT_VIOLATIONDATA_RACE, thread3Err2ASSERT_VIOLATIONDATA_RACE, thread3Err3ASSERT_VIOLATIONDATA_RACE (and 19 more)] === [2024-11-28 03:29:52,473 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:29:52,473 INFO L85 PathProgramCache]: Analyzing trace with hash 312560932, now seen corresponding path program 1 times [2024-11-28 03:29:52,473 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 03:29:52,473 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1668695408] [2024-11-28 03:29:52,473 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:29:52,473 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:29:52,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:29:52,648 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 03:29:52,648 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 03:29:52,648 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1668695408] [2024-11-28 03:29:52,649 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1668695408] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 03:29:52,649 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 03:29:52,649 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-28 03:29:52,649 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1402024310] [2024-11-28 03:29:52,649 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 03:29:52,649 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 03:29:52,650 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 03:29:52,650 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 03:29:52,650 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 03:29:52,695 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 116 out of 136 [2024-11-28 03:29:52,696 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 114 places, 106 transitions, 225 flow. Second operand has 3 states, 3 states have (on average 118.33333333333333) internal successors, (355), 3 states have internal predecessors, (355), 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 03:29:52,696 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-28 03:29:52,697 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 116 of 136 [2024-11-28 03:29:52,697 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-28 03:29:52,794 INFO L124 PetriNetUnfolderBase]: 63/396 cut-off events. [2024-11-28 03:29:52,795 INFO L125 PetriNetUnfolderBase]: For 24/24 co-relation queries the response was YES. [2024-11-28 03:29:52,797 INFO L83 FinitePrefix]: Finished finitePrefix Result has 554 conditions, 396 events. 63/396 cut-off events. For 24/24 co-relation queries the response was YES. Maximal size of possible extension queue 17. Compared 1665 event pairs, 47 based on Foata normal form. 0/350 useless extension candidates. Maximal degree in co-relation 289. Up to 97 conditions per place. [2024-11-28 03:29:52,800 INFO L140 encePairwiseOnDemand]: 133/136 looper letters, 17 selfloop transitions, 2 changer transitions 0/109 dead transitions. [2024-11-28 03:29:52,800 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 113 places, 109 transitions, 271 flow [2024-11-28 03:29:52,800 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 03:29:52,800 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-28 03:29:52,802 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 368 transitions. [2024-11-28 03:29:52,802 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9019607843137255 [2024-11-28 03:29:52,802 INFO L175 Difference]: Start difference. First operand has 114 places, 106 transitions, 225 flow. Second operand 3 states and 368 transitions. [2024-11-28 03:29:52,802 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 113 places, 109 transitions, 271 flow [2024-11-28 03:29:52,804 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 111 places, 109 transitions, 263 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-28 03:29:52,806 INFO L231 Difference]: Finished difference. Result has 111 places, 105 transitions, 219 flow [2024-11-28 03:29:52,807 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=136, PETRI_DIFFERENCE_MINUEND_FLOW=215, PETRI_DIFFERENCE_MINUEND_PLACES=109, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=105, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=103, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=219, PETRI_PLACES=111, PETRI_TRANSITIONS=105} [2024-11-28 03:29:52,807 INFO L279 CegarLoopForPetriNet]: 125 programPoint places, -14 predicate places. [2024-11-28 03:29:52,807 INFO L471 AbstractCegarLoop]: Abstraction has has 111 places, 105 transitions, 219 flow [2024-11-28 03:29:52,808 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 118.33333333333333) internal successors, (355), 3 states have internal predecessors, (355), 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 03:29:52,808 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-28 03:29:52,808 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] [2024-11-28 03:29:52,808 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-28 03:29:52,808 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting thread3Err2ASSERT_VIOLATIONDATA_RACE === [thread3Err0ASSERT_VIOLATIONDATA_RACE, thread3Err1ASSERT_VIOLATIONDATA_RACE, thread3Err2ASSERT_VIOLATIONDATA_RACE, thread3Err3ASSERT_VIOLATIONDATA_RACE (and 19 more)] === [2024-11-28 03:29:52,811 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:29:52,811 INFO L85 PathProgramCache]: Analyzing trace with hash 13955208, now seen corresponding path program 1 times [2024-11-28 03:29:52,812 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 03:29:52,812 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1301110247] [2024-11-28 03:29:52,812 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:29:52,814 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:29:52,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:29:52,893 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 03:29:52,893 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 03:29:52,893 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1301110247] [2024-11-28 03:29:52,893 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1301110247] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 03:29:52,894 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 03:29:52,894 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-28 03:29:52,894 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [39868599] [2024-11-28 03:29:52,894 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 03:29:52,894 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 03:29:52,895 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 03:29:52,895 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 03:29:52,895 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 03:29:52,920 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 116 out of 136 [2024-11-28 03:29:52,921 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 111 places, 105 transitions, 219 flow. Second operand has 3 states, 3 states have (on average 118.33333333333333) internal successors, (355), 3 states have internal predecessors, (355), 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 03:29:52,921 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-28 03:29:52,921 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 116 of 136 [2024-11-28 03:29:52,922 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-28 03:29:53,002 INFO L124 PetriNetUnfolderBase]: 55/350 cut-off events. [2024-11-28 03:29:53,003 INFO L125 PetriNetUnfolderBase]: For 28/28 co-relation queries the response was YES. [2024-11-28 03:29:53,004 INFO L83 FinitePrefix]: Finished finitePrefix Result has 479 conditions, 350 events. 55/350 cut-off events. For 28/28 co-relation queries the response was YES. Maximal size of possible extension queue 14. Compared 1335 event pairs, 23 based on Foata normal form. 0/321 useless extension candidates. Maximal degree in co-relation 323. Up to 60 conditions per place. [2024-11-28 03:29:53,007 INFO L140 encePairwiseOnDemand]: 131/136 looper letters, 15 selfloop transitions, 3 changer transitions 0/107 dead transitions. [2024-11-28 03:29:53,007 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 111 places, 107 transitions, 261 flow [2024-11-28 03:29:53,007 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 03:29:53,007 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-28 03:29:53,008 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 368 transitions. [2024-11-28 03:29:53,008 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9019607843137255 [2024-11-28 03:29:53,009 INFO L175 Difference]: Start difference. First operand has 111 places, 105 transitions, 219 flow. Second operand 3 states and 368 transitions. [2024-11-28 03:29:53,009 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 111 places, 107 transitions, 261 flow [2024-11-28 03:29:53,010 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 109 places, 107 transitions, 257 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-28 03:29:53,014 INFO L231 Difference]: Finished difference. Result has 109 places, 103 transitions, 217 flow [2024-11-28 03:29:53,014 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=136, PETRI_DIFFERENCE_MINUEND_FLOW=211, PETRI_DIFFERENCE_MINUEND_PLACES=107, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=103, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=100, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=217, PETRI_PLACES=109, PETRI_TRANSITIONS=103} [2024-11-28 03:29:53,015 INFO L279 CegarLoopForPetriNet]: 125 programPoint places, -16 predicate places. [2024-11-28 03:29:53,015 INFO L471 AbstractCegarLoop]: Abstraction has has 109 places, 103 transitions, 217 flow [2024-11-28 03:29:53,015 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 118.33333333333333) internal successors, (355), 3 states have internal predecessors, (355), 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 03:29:53,015 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-28 03:29:53,016 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] [2024-11-28 03:29:53,016 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-28 03:29:53,016 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting thread3Err3ASSERT_VIOLATIONDATA_RACE === [thread3Err0ASSERT_VIOLATIONDATA_RACE, thread3Err1ASSERT_VIOLATIONDATA_RACE, thread3Err2ASSERT_VIOLATIONDATA_RACE, thread3Err3ASSERT_VIOLATIONDATA_RACE (and 19 more)] === [2024-11-28 03:29:53,016 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:29:53,017 INFO L85 PathProgramCache]: Analyzing trace with hash -1258925045, now seen corresponding path program 1 times [2024-11-28 03:29:53,020 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 03:29:53,020 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1727267610] [2024-11-28 03:29:53,020 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:29:53,020 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:29:53,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:29:53,108 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 03:29:53,108 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 03:29:53,109 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1727267610] [2024-11-28 03:29:53,109 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1727267610] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 03:29:53,109 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 03:29:53,109 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-28 03:29:53,109 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1098076803] [2024-11-28 03:29:53,109 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 03:29:53,109 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 03:29:53,109 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 03:29:53,110 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 03:29:53,110 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 03:29:53,159 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 114 out of 136 [2024-11-28 03:29:53,160 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 109 places, 103 transitions, 217 flow. Second operand has 3 states, 3 states have (on average 117.0) internal successors, (351), 3 states have internal predecessors, (351), 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 03:29:53,160 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-28 03:29:53,160 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 114 of 136 [2024-11-28 03:29:53,160 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-28 03:29:53,245 INFO L124 PetriNetUnfolderBase]: 63/351 cut-off events. [2024-11-28 03:29:53,245 INFO L125 PetriNetUnfolderBase]: For 24/24 co-relation queries the response was YES. [2024-11-28 03:29:53,246 INFO L83 FinitePrefix]: Finished finitePrefix Result has 503 conditions, 351 events. 63/351 cut-off events. For 24/24 co-relation queries the response was YES. Maximal size of possible extension queue 15. Compared 1368 event pairs, 47 based on Foata normal form. 0/324 useless extension candidates. Maximal degree in co-relation 232. Up to 98 conditions per place. [2024-11-28 03:29:53,248 INFO L140 encePairwiseOnDemand]: 133/136 looper letters, 18 selfloop transitions, 2 changer transitions 0/106 dead transitions. [2024-11-28 03:29:53,249 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 110 places, 106 transitions, 265 flow [2024-11-28 03:29:53,249 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 03:29:53,249 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-28 03:29:53,251 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 363 transitions. [2024-11-28 03:29:53,251 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.8897058823529411 [2024-11-28 03:29:53,251 INFO L175 Difference]: Start difference. First operand has 109 places, 103 transitions, 217 flow. Second operand 3 states and 363 transitions. [2024-11-28 03:29:53,252 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 110 places, 106 transitions, 265 flow [2024-11-28 03:29:53,253 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 108 places, 106 transitions, 259 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-28 03:29:53,258 INFO L231 Difference]: Finished difference. Result has 108 places, 102 transitions, 213 flow [2024-11-28 03:29:53,258 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=136, PETRI_DIFFERENCE_MINUEND_FLOW=209, PETRI_DIFFERENCE_MINUEND_PLACES=106, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=102, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=100, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=213, PETRI_PLACES=108, PETRI_TRANSITIONS=102} [2024-11-28 03:29:53,259 INFO L279 CegarLoopForPetriNet]: 125 programPoint places, -17 predicate places. [2024-11-28 03:29:53,259 INFO L471 AbstractCegarLoop]: Abstraction has has 108 places, 102 transitions, 213 flow [2024-11-28 03:29:53,259 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 117.0) internal successors, (351), 3 states have internal predecessors, (351), 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 03:29:53,259 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-28 03:29:53,259 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] [2024-11-28 03:29:53,259 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-28 03:29:53,260 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting thread3Err5ASSERT_VIOLATIONDATA_RACE === [thread3Err0ASSERT_VIOLATIONDATA_RACE, thread3Err1ASSERT_VIOLATIONDATA_RACE, thread3Err2ASSERT_VIOLATIONDATA_RACE, thread3Err3ASSERT_VIOLATIONDATA_RACE (and 19 more)] === [2024-11-28 03:29:53,260 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:29:53,260 INFO L85 PathProgramCache]: Analyzing trace with hash -1472934931, now seen corresponding path program 1 times [2024-11-28 03:29:53,260 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 03:29:53,260 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [137381704] [2024-11-28 03:29:53,261 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:29:53,262 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:29:53,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:29:53,363 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 03:29:53,363 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 03:29:53,363 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [137381704] [2024-11-28 03:29:53,363 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [137381704] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 03:29:53,363 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 03:29:53,363 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-28 03:29:53,363 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1161925755] [2024-11-28 03:29:53,363 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 03:29:53,364 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 03:29:53,364 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 03:29:53,365 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 03:29:53,365 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 03:29:53,410 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 116 out of 136 [2024-11-28 03:29:53,411 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 108 places, 102 transitions, 213 flow. Second operand has 3 states, 3 states have (on average 119.0) internal successors, (357), 3 states have internal predecessors, (357), 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 03:29:53,411 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-28 03:29:53,411 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 116 of 136 [2024-11-28 03:29:53,411 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-28 03:29:53,488 INFO L124 PetriNetUnfolderBase]: 63/320 cut-off events. [2024-11-28 03:29:53,488 INFO L125 PetriNetUnfolderBase]: For 24/24 co-relation queries the response was YES. [2024-11-28 03:29:53,489 INFO L83 FinitePrefix]: Finished finitePrefix Result has 458 conditions, 320 events. 63/320 cut-off events. For 24/24 co-relation queries the response was YES. Maximal size of possible extension queue 15. Compared 1147 event pairs, 47 based on Foata normal form. 0/294 useless extension candidates. Maximal degree in co-relation 260. Up to 97 conditions per place. [2024-11-28 03:29:53,491 INFO L140 encePairwiseOnDemand]: 133/136 looper letters, 17 selfloop transitions, 2 changer transitions 0/105 dead transitions. [2024-11-28 03:29:53,491 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 109 places, 105 transitions, 259 flow [2024-11-28 03:29:53,491 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 03:29:53,491 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-28 03:29:53,493 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 368 transitions. [2024-11-28 03:29:53,494 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9019607843137255 [2024-11-28 03:29:53,494 INFO L175 Difference]: Start difference. First operand has 108 places, 102 transitions, 213 flow. Second operand 3 states and 368 transitions. [2024-11-28 03:29:53,494 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 109 places, 105 transitions, 259 flow [2024-11-28 03:29:53,495 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 107 places, 105 transitions, 255 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-28 03:29:53,500 INFO L231 Difference]: Finished difference. Result has 107 places, 101 transitions, 211 flow [2024-11-28 03:29:53,500 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=136, PETRI_DIFFERENCE_MINUEND_FLOW=207, PETRI_DIFFERENCE_MINUEND_PLACES=105, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=101, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=99, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=211, PETRI_PLACES=107, PETRI_TRANSITIONS=101} [2024-11-28 03:29:53,501 INFO L279 CegarLoopForPetriNet]: 125 programPoint places, -18 predicate places. [2024-11-28 03:29:53,501 INFO L471 AbstractCegarLoop]: Abstraction has has 107 places, 101 transitions, 211 flow [2024-11-28 03:29:53,501 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 119.0) internal successors, (357), 3 states have internal predecessors, (357), 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 03:29:53,501 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-28 03:29:53,501 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] [2024-11-28 03:29:53,501 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-28 03:29:53,502 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting thread3Err7ASSERT_VIOLATIONDATA_RACE === [thread3Err0ASSERT_VIOLATIONDATA_RACE, thread3Err1ASSERT_VIOLATIONDATA_RACE, thread3Err2ASSERT_VIOLATIONDATA_RACE, thread3Err3ASSERT_VIOLATIONDATA_RACE (and 19 more)] === [2024-11-28 03:29:53,504 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:29:53,505 INFO L85 PathProgramCache]: Analyzing trace with hash 2144522868, now seen corresponding path program 1 times [2024-11-28 03:29:53,505 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 03:29:53,505 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1975080385] [2024-11-28 03:29:53,505 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:29:53,505 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:29:53,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:29:53,611 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 03:29:53,612 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 03:29:53,613 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1975080385] [2024-11-28 03:29:53,613 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1975080385] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 03:29:53,613 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 03:29:53,615 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-28 03:29:53,615 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [528755196] [2024-11-28 03:29:53,615 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 03:29:53,615 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 03:29:53,616 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 03:29:53,616 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 03:29:53,616 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 03:29:53,669 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 114 out of 136 [2024-11-28 03:29:53,670 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 107 places, 101 transitions, 211 flow. Second operand has 3 states, 3 states have (on average 117.66666666666667) internal successors, (353), 3 states have internal predecessors, (353), 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 03:29:53,670 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-28 03:29:53,670 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 114 of 136 [2024-11-28 03:29:53,670 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-28 03:29:53,735 INFO L124 PetriNetUnfolderBase]: 63/289 cut-off events. [2024-11-28 03:29:53,735 INFO L125 PetriNetUnfolderBase]: For 24/24 co-relation queries the response was YES. [2024-11-28 03:29:53,736 INFO L83 FinitePrefix]: Finished finitePrefix Result has 428 conditions, 289 events. 63/289 cut-off events. For 24/24 co-relation queries the response was YES. Maximal size of possible extension queue 14. Compared 1004 event pairs, 47 based on Foata normal form. 0/267 useless extension candidates. Maximal degree in co-relation 271. Up to 98 conditions per place. [2024-11-28 03:29:53,736 INFO L140 encePairwiseOnDemand]: 133/136 looper letters, 0 selfloop transitions, 0 changer transitions 104/104 dead transitions. [2024-11-28 03:29:53,737 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 108 places, 104 transitions, 259 flow [2024-11-28 03:29:53,737 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 03:29:53,737 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-28 03:29:53,738 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 363 transitions. [2024-11-28 03:29:53,738 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.8897058823529411 [2024-11-28 03:29:53,738 INFO L175 Difference]: Start difference. First operand has 107 places, 101 transitions, 211 flow. Second operand 3 states and 363 transitions. [2024-11-28 03:29:53,739 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 108 places, 104 transitions, 259 flow [2024-11-28 03:29:53,740 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 106 places, 104 transitions, 255 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-28 03:29:53,741 INFO L231 Difference]: Finished difference. Result has 106 places, 0 transitions, 0 flow [2024-11-28 03:29:53,741 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=136, PETRI_DIFFERENCE_MINUEND_FLOW=205, PETRI_DIFFERENCE_MINUEND_PLACES=104, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=100, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=100, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=0, PETRI_PLACES=106, PETRI_TRANSITIONS=0} [2024-11-28 03:29:53,743 INFO L279 CegarLoopForPetriNet]: 125 programPoint places, -19 predicate places. [2024-11-28 03:29:53,743 INFO L471 AbstractCegarLoop]: Abstraction has has 106 places, 0 transitions, 0 flow [2024-11-28 03:29:53,743 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 117.66666666666667) internal successors, (353), 3 states have internal predecessors, (353), 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 03:29:53,749 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err0ASSERT_VIOLATIONDATA_RACE (22 of 23 remaining) [2024-11-28 03:29:53,749 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err1ASSERT_VIOLATIONDATA_RACE (21 of 23 remaining) [2024-11-28 03:29:53,750 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err2ASSERT_VIOLATIONDATA_RACE (20 of 23 remaining) [2024-11-28 03:29:53,750 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err3ASSERT_VIOLATIONDATA_RACE (19 of 23 remaining) [2024-11-28 03:29:53,750 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err4ASSERT_VIOLATIONDATA_RACE (18 of 23 remaining) [2024-11-28 03:29:53,750 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err5ASSERT_VIOLATIONDATA_RACE (17 of 23 remaining) [2024-11-28 03:29:53,750 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err6ASSERT_VIOLATIONDATA_RACE (16 of 23 remaining) [2024-11-28 03:29:53,750 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err7ASSERT_VIOLATIONDATA_RACE (15 of 23 remaining) [2024-11-28 03:29:53,750 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (14 of 23 remaining) [2024-11-28 03:29:53,750 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (13 of 23 remaining) [2024-11-28 03:29:53,751 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (12 of 23 remaining) [2024-11-28 03:29:53,751 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (11 of 23 remaining) [2024-11-28 03:29:53,751 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (10 of 23 remaining) [2024-11-28 03:29:53,751 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (9 of 23 remaining) [2024-11-28 03:29:53,751 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (8 of 23 remaining) [2024-11-28 03:29:53,751 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err0ASSERT_VIOLATIONDATA_RACE (7 of 23 remaining) [2024-11-28 03:29:53,751 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err1ASSERT_VIOLATIONDATA_RACE (6 of 23 remaining) [2024-11-28 03:29:53,751 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err2ASSERT_VIOLATIONDATA_RACE (5 of 23 remaining) [2024-11-28 03:29:53,751 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err3ASSERT_VIOLATIONDATA_RACE (4 of 23 remaining) [2024-11-28 03:29:53,751 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err4ASSERT_VIOLATIONDATA_RACE (3 of 23 remaining) [2024-11-28 03:29:53,752 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err5ASSERT_VIOLATIONDATA_RACE (2 of 23 remaining) [2024-11-28 03:29:53,752 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err6ASSERT_VIOLATIONDATA_RACE (1 of 23 remaining) [2024-11-28 03:29:53,752 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err7ASSERT_VIOLATIONDATA_RACE (0 of 23 remaining) [2024-11-28 03:29:53,752 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-28 03:29:53,752 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 03:29:53,761 INFO L241 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-11-28 03:29:53,761 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-28 03:29:53,769 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.11 03:29:53 BasicIcfg [2024-11-28 03:29:53,770 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-28 03:29:53,770 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-28 03:29:53,770 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-28 03:29:53,770 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-28 03:29:53,772 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 03:29:51" (3/4) ... [2024-11-28 03:29:53,774 INFO L146 WitnessPrinter]: Generating witness for correct program [2024-11-28 03:29:53,777 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread1 [2024-11-28 03:29:53,777 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread2 [2024-11-28 03:29:53,777 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread3 [2024-11-28 03:29:53,782 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 15 nodes and edges [2024-11-28 03:29:53,782 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2024-11-28 03:29:53,782 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2024-11-28 03:29:53,782 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-11-28 03:29:53,876 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76669da6-a6b2-4e01-bbc9-ee984ce18c16/bin/uautomizer-verify-aQ6SnzHsRB/witness.graphml [2024-11-28 03:29:53,876 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76669da6-a6b2-4e01-bbc9-ee984ce18c16/bin/uautomizer-verify-aQ6SnzHsRB/witness.yml [2024-11-28 03:29:53,877 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-28 03:29:53,878 INFO L158 Benchmark]: Toolchain (without parser) took 3626.76ms. Allocated memory was 117.4MB in the beginning and 343.9MB in the end (delta: 226.5MB). Free memory was 94.8MB in the beginning and 260.0MB in the end (delta: -165.2MB). Peak memory consumption was 56.9MB. Max. memory is 16.1GB. [2024-11-28 03:29:53,878 INFO L158 Benchmark]: CDTParser took 1.63ms. Allocated memory is still 142.6MB. Free memory is still 80.5MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-28 03:29:53,878 INFO L158 Benchmark]: CACSL2BoogieTranslator took 289.35ms. Allocated memory is still 117.4MB. Free memory was 94.8MB in the beginning and 83.5MB in the end (delta: 11.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-28 03:29:53,879 INFO L158 Benchmark]: Boogie Procedure Inliner took 38.44ms. Allocated memory is still 117.4MB. Free memory was 83.5MB in the beginning and 82.3MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-28 03:29:53,879 INFO L158 Benchmark]: Boogie Preprocessor took 34.79ms. Allocated memory is still 117.4MB. Free memory was 82.0MB in the beginning and 81.4MB in the end (delta: 613.0kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-28 03:29:53,879 INFO L158 Benchmark]: RCFGBuilder took 439.26ms. Allocated memory is still 117.4MB. Free memory was 81.1MB in the beginning and 66.8MB in the end (delta: 14.3MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-28 03:29:53,880 INFO L158 Benchmark]: TraceAbstraction took 2711.67ms. Allocated memory was 117.4MB in the beginning and 343.9MB in the end (delta: 226.5MB). Free memory was 66.2MB in the beginning and 263.9MB in the end (delta: -197.7MB). Peak memory consumption was 31.8MB. Max. memory is 16.1GB. [2024-11-28 03:29:53,880 INFO L158 Benchmark]: Witness Printer took 106.52ms. Allocated memory is still 343.9MB. Free memory was 263.9MB in the beginning and 260.0MB in the end (delta: 3.9MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-28 03:29:53,882 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.63ms. Allocated memory is still 142.6MB. Free memory is still 80.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 289.35ms. Allocated memory is still 117.4MB. Free memory was 94.8MB in the beginning and 83.5MB in the end (delta: 11.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 38.44ms. Allocated memory is still 117.4MB. Free memory was 83.5MB in the beginning and 82.3MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 34.79ms. Allocated memory is still 117.4MB. Free memory was 82.0MB in the beginning and 81.4MB in the end (delta: 613.0kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 439.26ms. Allocated memory is still 117.4MB. Free memory was 81.1MB in the beginning and 66.8MB in the end (delta: 14.3MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * TraceAbstraction took 2711.67ms. Allocated memory was 117.4MB in the beginning and 343.9MB in the end (delta: 226.5MB). Free memory was 66.2MB in the beginning and 263.9MB in the end (delta: -197.7MB). Peak memory consumption was 31.8MB. Max. memory is 16.1GB. * Witness Printer took 106.52ms. Allocated memory is still 343.9MB. Free memory was 263.9MB in the beginning and 260.0MB in the end (delta: 3.9MB). There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 50]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 50]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 51]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 51]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 52]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 52]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 53]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 53]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 63]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 64]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 67]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 76]: there are no data races For all program executions holds that there are no data races at this location - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 7 procedures, 190 locations, 23 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: 2.5s, OverallIterations: 8, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 1.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 332 SdHoareTripleChecker+Valid, 0.6s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 107 mSDsluCounter, 84 SdHoareTripleChecker+Invalid, 0.5s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 21 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 385 IncrementalHoareTripleChecker+Invalid, 406 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 21 mSolverCounterUnsat, 84 mSDtfsCounter, 385 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 16 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=250occurred in iteration=0, InterpolantAutomatonStates: 24, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.6s InterpolantComputationTime, 439 NumberOfCodeBlocks, 439 NumberOfCodeBlocksAsserted, 8 NumberOfCheckSat, 431 ConstructedInterpolants, 0 QuantifiedInterpolants, 447 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 8 InterpolantComputations, 8 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 - AllSpecificationsHoldResult: All specifications hold 12 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2024-11-28 03:29:53,909 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76669da6-a6b2-4e01-bbc9-ee984ce18c16/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 Result: TRUE