./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-data-race.prp --file ../../sv-benchmarks/c/weaver/unroll-cond-3.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_c65b6caa-f8ba-428a-a437-fe80d142e347/bin/uautomizer-verify-aQ6SnzHsRB/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c65b6caa-f8ba-428a-a437-fe80d142e347/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_c65b6caa-f8ba-428a-a437-fe80d142e347/bin/uautomizer-verify-aQ6SnzHsRB/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c65b6caa-f8ba-428a-a437-fe80d142e347/bin/uautomizer-verify-aQ6SnzHsRB/config/AutomizerReach.xml -i ../../sv-benchmarks/c/weaver/unroll-cond-3.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c65b6caa-f8ba-428a-a437-fe80d142e347/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_c65b6caa-f8ba-428a-a437-fe80d142e347/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 9fb4c28a8a216c266c6ae14d377c8e26c68bb16bf7c2fe2809f039d12d6c4b55 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-28 03:01:04,475 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-28 03:01:04,568 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c65b6caa-f8ba-428a-a437-fe80d142e347/bin/uautomizer-verify-aQ6SnzHsRB/config/svcomp-DataRace-32bit-Automizer_Default.epf [2024-11-28 03:01:04,573 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-28 03:01:04,573 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-28 03:01:04,610 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-28 03:01:04,610 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-28 03:01:04,611 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-28 03:01:04,611 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-28 03:01:04,611 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-28 03:01:04,612 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-28 03:01:04,612 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-28 03:01:04,612 INFO L153 SettingsManager]: * Use SBE=true [2024-11-28 03:01:04,612 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-28 03:01:04,612 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-28 03:01:04,612 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-28 03:01:04,613 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-28 03:01:04,613 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-28 03:01:04,613 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-28 03:01:04,613 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-28 03:01:04,613 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-28 03:01:04,613 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-28 03:01:04,614 INFO L153 SettingsManager]: * Check absence of data races in concurrent programs=true [2024-11-28 03:01:04,614 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-28 03:01:04,614 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-28 03:01:04,614 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-28 03:01:04,614 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-28 03:01:04,614 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-28 03:01:04,615 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-28 03:01:04,615 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-28 03:01:04,615 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-28 03:01:04,615 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 03:01:04,615 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-28 03:01:04,615 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-28 03:01:04,615 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-28 03:01:04,615 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 03:01:04,616 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-28 03:01:04,616 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-28 03:01:04,616 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-11-28 03:01:04,616 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-28 03:01:04,616 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-28 03:01:04,616 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-28 03:01:04,616 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-28 03:01:04,616 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-28 03:01:04,616 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-28 03:01:04,617 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-28 03:01:04,617 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_c65b6caa-f8ba-428a-a437-fe80d142e347/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 -> 9fb4c28a8a216c266c6ae14d377c8e26c68bb16bf7c2fe2809f039d12d6c4b55 [2024-11-28 03:01:04,885 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-28 03:01:04,901 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-28 03:01:04,903 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-28 03:01:04,906 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-28 03:01:04,910 INFO L274 PluginConnector]: CDTParser initialized [2024-11-28 03:01:04,912 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c65b6caa-f8ba-428a-a437-fe80d142e347/bin/uautomizer-verify-aQ6SnzHsRB/../../sv-benchmarks/c/weaver/unroll-cond-3.wvr.c [2024-11-28 03:01:08,098 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c65b6caa-f8ba-428a-a437-fe80d142e347/bin/uautomizer-verify-aQ6SnzHsRB/data/1358029ef/3638f130be8b4506b5c9a0e9f92107dc/FLAG4f03246cf [2024-11-28 03:01:08,351 INFO L384 CDTParser]: Found 1 translation units. [2024-11-28 03:01:08,351 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c65b6caa-f8ba-428a-a437-fe80d142e347/sv-benchmarks/c/weaver/unroll-cond-3.wvr.c [2024-11-28 03:01:08,360 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c65b6caa-f8ba-428a-a437-fe80d142e347/bin/uautomizer-verify-aQ6SnzHsRB/data/1358029ef/3638f130be8b4506b5c9a0e9f92107dc/FLAG4f03246cf [2024-11-28 03:01:08,375 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c65b6caa-f8ba-428a-a437-fe80d142e347/bin/uautomizer-verify-aQ6SnzHsRB/data/1358029ef/3638f130be8b4506b5c9a0e9f92107dc [2024-11-28 03:01:08,377 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-28 03:01:08,379 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-28 03:01:08,380 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-28 03:01:08,381 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-28 03:01:08,386 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-28 03:01:08,387 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 03:01:08" (1/1) ... [2024-11-28 03:01:08,388 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5b082818 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:01:08, skipping insertion in model container [2024-11-28 03:01:08,388 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 03:01:08" (1/1) ... [2024-11-28 03:01:08,407 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-28 03:01:08,698 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-28 03:01:08,714 INFO L200 MainTranslator]: Completed pre-run [2024-11-28 03:01:08,781 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-28 03:01:08,802 INFO L204 MainTranslator]: Completed translation [2024-11-28 03:01:08,803 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:01:08 WrapperNode [2024-11-28 03:01:08,803 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-28 03:01:08,805 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-28 03:01:08,805 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-28 03:01:08,805 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-28 03:01:08,812 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:01:08" (1/1) ... [2024-11-28 03:01:08,828 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:01:08" (1/1) ... [2024-11-28 03:01:08,882 INFO L138 Inliner]: procedures = 23, calls = 28, calls flagged for inlining = 14, calls inlined = 14, statements flattened = 327 [2024-11-28 03:01:08,882 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-28 03:01:08,883 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-28 03:01:08,883 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-28 03:01:08,883 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-28 03:01:08,894 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:01:08" (1/1) ... [2024-11-28 03:01:08,894 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:01:08" (1/1) ... [2024-11-28 03:01:08,900 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:01:08" (1/1) ... [2024-11-28 03:01:08,903 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:01:08" (1/1) ... [2024-11-28 03:01:08,926 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:01:08" (1/1) ... [2024-11-28 03:01:08,932 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:01:08" (1/1) ... [2024-11-28 03:01:08,941 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:01:08" (1/1) ... [2024-11-28 03:01:08,942 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:01:08" (1/1) ... [2024-11-28 03:01:08,948 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:01:08" (1/1) ... [2024-11-28 03:01:08,952 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-28 03:01:08,953 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-28 03:01:08,954 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-28 03:01:08,954 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-28 03:01:08,955 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:01:08" (1/1) ... [2024-11-28 03:01:08,961 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 03:01:08,975 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c65b6caa-f8ba-428a-a437-fe80d142e347/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 03:01:08,988 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c65b6caa-f8ba-428a-a437-fe80d142e347/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-28 03:01:08,990 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c65b6caa-f8ba-428a-a437-fe80d142e347/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-28 03:01:09,018 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-28 03:01:09,018 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2024-11-28 03:01:09,018 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2024-11-28 03:01:09,018 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2024-11-28 03:01:09,019 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2024-11-28 03:01:09,019 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-28 03:01:09,019 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-11-28 03:01:09,019 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-28 03:01:09,019 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-28 03:01:09,019 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-28 03:01:09,019 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-11-28 03:01:09,021 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 03:01:09,123 INFO L234 CfgBuilder]: Building ICFG [2024-11-28 03:01:09,125 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-28 03:01:09,802 INFO L279 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-11-28 03:01:09,802 INFO L283 CfgBuilder]: Performing block encoding [2024-11-28 03:01:09,838 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-28 03:01:09,838 INFO L312 CfgBuilder]: Removed 3 assume(true) statements. [2024-11-28 03:01:09,839 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 03:01:09 BoogieIcfgContainer [2024-11-28 03:01:09,839 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-28 03:01:09,844 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-28 03:01:09,844 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-28 03:01:09,851 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-28 03:01:09,851 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.11 03:01:08" (1/3) ... [2024-11-28 03:01:09,853 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@182dcefa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 03:01:09, skipping insertion in model container [2024-11-28 03:01:09,853 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:01:08" (2/3) ... [2024-11-28 03:01:09,853 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@182dcefa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 03:01:09, skipping insertion in model container [2024-11-28 03:01:09,854 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 03:01:09" (3/3) ... [2024-11-28 03:01:09,855 INFO L128 eAbstractionObserver]: Analyzing ICFG unroll-cond-3.wvr.c [2024-11-28 03:01:09,874 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-28 03:01:09,877 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG unroll-cond-3.wvr.c that has 3 procedures, 415 locations, 1 initial locations, 3 loop locations, and 54 error locations. [2024-11-28 03:01:09,877 INFO L491 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-11-28 03:01:10,097 INFO L143 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2024-11-28 03:01:10,165 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 421 places, 438 transitions, 890 flow [2024-11-28 03:01:10,384 INFO L124 PetriNetUnfolderBase]: 24/436 cut-off events. [2024-11-28 03:01:10,388 INFO L125 PetriNetUnfolderBase]: For 2/2 co-relation queries the response was YES. [2024-11-28 03:01:10,401 INFO L83 FinitePrefix]: Finished finitePrefix Result has 445 conditions, 436 events. 24/436 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 11. Compared 1065 event pairs, 0 based on Foata normal form. 0/358 useless extension candidates. Maximal degree in co-relation 310. Up to 2 conditions per place. [2024-11-28 03:01:10,401 INFO L82 GeneralOperation]: Start removeDead. Operand has 421 places, 438 transitions, 890 flow [2024-11-28 03:01:10,415 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 403 places, 419 transitions, 850 flow [2024-11-28 03:01:10,428 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-28 03:01:10,445 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;@7a3ec88b, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-28 03:01:10,445 INFO L334 AbstractCegarLoop]: Starting to check reachability of 102 error locations. [2024-11-28 03:01:10,454 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-11-28 03:01:10,455 INFO L124 PetriNetUnfolderBase]: 0/19 cut-off events. [2024-11-28 03:01:10,455 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-28 03:01:10,455 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-28 03:01:10,456 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] [2024-11-28 03:01:10,457 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 98 more)] === [2024-11-28 03:01:10,463 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:01:10,464 INFO L85 PathProgramCache]: Analyzing trace with hash -310571022, now seen corresponding path program 1 times [2024-11-28 03:01:10,472 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 03:01:10,472 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1686232561] [2024-11-28 03:01:10,473 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:01:10,473 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:01:10,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:01:10,661 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 03:01:10,661 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 03:01:10,661 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1686232561] [2024-11-28 03:01:10,662 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1686232561] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 03:01:10,662 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 03:01:10,662 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-28 03:01:10,664 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [442483293] [2024-11-28 03:01:10,665 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 03:01:10,672 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 03:01:10,677 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 03:01:10,704 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 03:01:10,705 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 03:01:10,779 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 409 out of 438 [2024-11-28 03:01:10,786 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 403 places, 419 transitions, 850 flow. Second operand has 3 states, 3 states have (on average 410.3333333333333) internal successors, (1231), 3 states have internal predecessors, (1231), 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 03:01:10,787 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-28 03:01:10,787 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 409 of 438 [2024-11-28 03:01:10,790 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-28 03:01:11,014 INFO L124 PetriNetUnfolderBase]: 26/624 cut-off events. [2024-11-28 03:01:11,014 INFO L125 PetriNetUnfolderBase]: For 16/16 co-relation queries the response was YES. [2024-11-28 03:01:11,022 INFO L83 FinitePrefix]: Finished finitePrefix Result has 670 conditions, 624 events. 26/624 cut-off events. For 16/16 co-relation queries the response was YES. Maximal size of possible extension queue 22. Compared 2607 event pairs, 7 based on Foata normal form. 14/521 useless extension candidates. Maximal degree in co-relation 533. Up to 30 conditions per place. [2024-11-28 03:01:11,031 INFO L140 encePairwiseOnDemand]: 423/438 looper letters, 11 selfloop transitions, 2 changer transitions 3/406 dead transitions. [2024-11-28 03:01:11,031 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 404 places, 406 transitions, 850 flow [2024-11-28 03:01:11,032 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 03:01:11,034 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-28 03:01:11,051 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1253 transitions. [2024-11-28 03:01:11,055 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9535768645357686 [2024-11-28 03:01:11,059 INFO L175 Difference]: Start difference. First operand has 403 places, 419 transitions, 850 flow. Second operand 3 states and 1253 transitions. [2024-11-28 03:01:11,060 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 404 places, 406 transitions, 850 flow [2024-11-28 03:01:11,070 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 400 places, 406 transitions, 842 flow, removed 0 selfloop flow, removed 4 redundant places. [2024-11-28 03:01:11,081 INFO L231 Difference]: Finished difference. Result has 400 places, 403 transitions, 814 flow [2024-11-28 03:01:11,087 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=438, PETRI_DIFFERENCE_MINUEND_FLOW=816, PETRI_DIFFERENCE_MINUEND_PLACES=398, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=406, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=404, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=814, PETRI_PLACES=400, PETRI_TRANSITIONS=403} [2024-11-28 03:01:11,090 INFO L279 CegarLoopForPetriNet]: 403 programPoint places, -3 predicate places. [2024-11-28 03:01:11,093 INFO L471 AbstractCegarLoop]: Abstraction has has 400 places, 403 transitions, 814 flow [2024-11-28 03:01:11,094 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 410.3333333333333) internal successors, (1231), 3 states have internal predecessors, (1231), 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 03:01:11,094 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-28 03:01:11,094 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] [2024-11-28 03:01:11,095 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-28 03:01:11,095 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 98 more)] === [2024-11-28 03:01:11,095 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:01:11,095 INFO L85 PathProgramCache]: Analyzing trace with hash 116130822, now seen corresponding path program 1 times [2024-11-28 03:01:11,095 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 03:01:11,096 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [267638306] [2024-11-28 03:01:11,096 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:01:11,096 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:01:11,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:01:11,183 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 03:01:11,183 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 03:01:11,186 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [267638306] [2024-11-28 03:01:11,186 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [267638306] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 03:01:11,186 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 03:01:11,186 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-28 03:01:11,187 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [803727853] [2024-11-28 03:01:11,187 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 03:01:11,188 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 03:01:11,188 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 03:01:11,188 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 03:01:11,188 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 03:01:11,274 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 405 out of 438 [2024-11-28 03:01:11,275 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 400 places, 403 transitions, 814 flow. Second operand has 3 states, 3 states have (on average 406.3333333333333) internal successors, (1219), 3 states have internal predecessors, (1219), 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 03:01:11,276 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-28 03:01:11,276 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 405 of 438 [2024-11-28 03:01:11,276 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-28 03:01:11,427 INFO L124 PetriNetUnfolderBase]: 30/660 cut-off events. [2024-11-28 03:01:11,427 INFO L125 PetriNetUnfolderBase]: For 7/8 co-relation queries the response was YES. [2024-11-28 03:01:11,431 INFO L83 FinitePrefix]: Finished finitePrefix Result has 707 conditions, 660 events. 30/660 cut-off events. For 7/8 co-relation queries the response was YES. Maximal size of possible extension queue 20. Compared 2600 event pairs, 11 based on Foata normal form. 0/535 useless extension candidates. Maximal degree in co-relation 679. Up to 38 conditions per place. [2024-11-28 03:01:11,434 INFO L140 encePairwiseOnDemand]: 435/438 looper letters, 15 selfloop transitions, 2 changer transitions 0/402 dead transitions. [2024-11-28 03:01:11,434 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 398 places, 402 transitions, 846 flow [2024-11-28 03:01:11,435 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 03:01:11,435 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-28 03:01:11,439 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1233 transitions. [2024-11-28 03:01:11,439 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9383561643835616 [2024-11-28 03:01:11,440 INFO L175 Difference]: Start difference. First operand has 400 places, 403 transitions, 814 flow. Second operand 3 states and 1233 transitions. [2024-11-28 03:01:11,440 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 398 places, 402 transitions, 846 flow [2024-11-28 03:01:11,443 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 396 places, 402 transitions, 842 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-28 03:01:11,450 INFO L231 Difference]: Finished difference. Result has 396 places, 402 transitions, 812 flow [2024-11-28 03:01:11,450 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=438, PETRI_DIFFERENCE_MINUEND_FLOW=808, PETRI_DIFFERENCE_MINUEND_PLACES=394, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=402, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=400, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=812, PETRI_PLACES=396, PETRI_TRANSITIONS=402} [2024-11-28 03:01:11,451 INFO L279 CegarLoopForPetriNet]: 403 programPoint places, -7 predicate places. [2024-11-28 03:01:11,452 INFO L471 AbstractCegarLoop]: Abstraction has has 396 places, 402 transitions, 812 flow [2024-11-28 03:01:11,453 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 406.3333333333333) internal successors, (1219), 3 states have internal predecessors, (1219), 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 03:01:11,453 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-28 03:01:11,453 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] [2024-11-28 03:01:11,453 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-28 03:01:11,453 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 98 more)] === [2024-11-28 03:01:11,454 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:01:11,454 INFO L85 PathProgramCache]: Analyzing trace with hash -350089740, now seen corresponding path program 1 times [2024-11-28 03:01:11,454 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 03:01:11,454 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [20338644] [2024-11-28 03:01:11,455 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:01:11,455 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:01:11,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:01:11,500 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 03:01:11,500 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 03:01:11,500 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [20338644] [2024-11-28 03:01:11,500 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [20338644] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 03:01:11,500 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 03:01:11,501 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-28 03:01:11,502 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1280676703] [2024-11-28 03:01:11,502 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 03:01:11,503 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 03:01:11,503 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 03:01:11,503 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 03:01:11,503 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 03:01:11,566 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 395 out of 438 [2024-11-28 03:01:11,568 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 396 places, 402 transitions, 812 flow. Second operand has 3 states, 3 states have (on average 396.0) internal successors, (1188), 3 states have internal predecessors, (1188), 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 03:01:11,569 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-28 03:01:11,569 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 395 of 438 [2024-11-28 03:01:11,570 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-28 03:01:11,920 INFO L124 PetriNetUnfolderBase]: 104/1449 cut-off events. [2024-11-28 03:01:11,920 INFO L125 PetriNetUnfolderBase]: For 25/26 co-relation queries the response was YES. [2024-11-28 03:01:11,931 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1576 conditions, 1449 events. 104/1449 cut-off events. For 25/26 co-relation queries the response was YES. Maximal size of possible extension queue 27. Compared 8377 event pairs, 32 based on Foata normal form. 0/1170 useless extension candidates. Maximal degree in co-relation 1540. Up to 117 conditions per place. [2024-11-28 03:01:11,939 INFO L140 encePairwiseOnDemand]: 429/438 looper letters, 20 selfloop transitions, 1 changer transitions 0/394 dead transitions. [2024-11-28 03:01:11,940 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 390 places, 394 transitions, 838 flow [2024-11-28 03:01:11,941 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 03:01:11,941 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-28 03:01:11,943 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1214 transitions. [2024-11-28 03:01:11,943 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.923896499238965 [2024-11-28 03:01:11,943 INFO L175 Difference]: Start difference. First operand has 396 places, 402 transitions, 812 flow. Second operand 3 states and 1214 transitions. [2024-11-28 03:01:11,943 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 390 places, 394 transitions, 838 flow [2024-11-28 03:01:11,950 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 388 places, 394 transitions, 834 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-28 03:01:11,957 INFO L231 Difference]: Finished difference. Result has 388 places, 394 transitions, 794 flow [2024-11-28 03:01:11,957 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=438, PETRI_DIFFERENCE_MINUEND_FLOW=792, PETRI_DIFFERENCE_MINUEND_PLACES=386, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=394, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=393, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=794, PETRI_PLACES=388, PETRI_TRANSITIONS=394} [2024-11-28 03:01:11,958 INFO L279 CegarLoopForPetriNet]: 403 programPoint places, -15 predicate places. [2024-11-28 03:01:11,958 INFO L471 AbstractCegarLoop]: Abstraction has has 388 places, 394 transitions, 794 flow [2024-11-28 03:01:11,959 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 396.0) internal successors, (1188), 3 states have internal predecessors, (1188), 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 03:01:11,959 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-28 03:01:11,959 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] [2024-11-28 03:01:11,959 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-28 03:01:11,960 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 98 more)] === [2024-11-28 03:01:11,960 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:01:11,960 INFO L85 PathProgramCache]: Analyzing trace with hash -1222065690, now seen corresponding path program 1 times [2024-11-28 03:01:11,961 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 03:01:11,961 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [900317931] [2024-11-28 03:01:11,961 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:01:11,961 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:01:12,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:01:12,967 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 03:01:12,968 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 03:01:12,969 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [900317931] [2024-11-28 03:01:12,969 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [900317931] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 03:01:12,969 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 03:01:12,969 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-28 03:01:12,970 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [92263069] [2024-11-28 03:01:12,970 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 03:01:12,970 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-28 03:01:12,971 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 03:01:12,972 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-28 03:01:12,972 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-28 03:01:13,260 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 382 out of 438 [2024-11-28 03:01:13,264 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 388 places, 394 transitions, 794 flow. Second operand has 6 states, 6 states have (on average 383.5) internal successors, (2301), 6 states have internal predecessors, (2301), 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 03:01:13,264 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-28 03:01:13,264 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 382 of 438 [2024-11-28 03:01:13,265 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-28 03:01:13,638 INFO L124 PetriNetUnfolderBase]: 210/1904 cut-off events. [2024-11-28 03:01:13,638 INFO L125 PetriNetUnfolderBase]: For 44/45 co-relation queries the response was YES. [2024-11-28 03:01:13,648 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2218 conditions, 1904 events. 210/1904 cut-off events. For 44/45 co-relation queries the response was YES. Maximal size of possible extension queue 36. Compared 11888 event pairs, 104 based on Foata normal form. 0/1544 useless extension candidates. Maximal degree in co-relation 2183. Up to 300 conditions per place. [2024-11-28 03:01:13,658 INFO L140 encePairwiseOnDemand]: 432/438 looper letters, 36 selfloop transitions, 5 changer transitions 0/393 dead transitions. [2024-11-28 03:01:13,658 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 392 places, 393 transitions, 874 flow [2024-11-28 03:01:13,658 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-28 03:01:13,659 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-28 03:01:13,662 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 2334 transitions. [2024-11-28 03:01:13,664 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.8881278538812786 [2024-11-28 03:01:13,665 INFO L175 Difference]: Start difference. First operand has 388 places, 394 transitions, 794 flow. Second operand 6 states and 2334 transitions. [2024-11-28 03:01:13,665 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 392 places, 393 transitions, 874 flow [2024-11-28 03:01:13,668 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 391 places, 393 transitions, 873 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-11-28 03:01:13,673 INFO L231 Difference]: Finished difference. Result has 391 places, 393 transitions, 801 flow [2024-11-28 03:01:13,673 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=438, PETRI_DIFFERENCE_MINUEND_FLOW=791, PETRI_DIFFERENCE_MINUEND_PLACES=386, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=393, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=388, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=801, PETRI_PLACES=391, PETRI_TRANSITIONS=393} [2024-11-28 03:01:13,675 INFO L279 CegarLoopForPetriNet]: 403 programPoint places, -12 predicate places. [2024-11-28 03:01:13,675 INFO L471 AbstractCegarLoop]: Abstraction has has 391 places, 393 transitions, 801 flow [2024-11-28 03:01:13,677 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 383.5) internal successors, (2301), 6 states have internal predecessors, (2301), 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 03:01:13,677 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-28 03:01:13,677 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] [2024-11-28 03:01:13,678 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-28 03:01:13,678 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 98 more)] === [2024-11-28 03:01:13,679 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:01:13,679 INFO L85 PathProgramCache]: Analyzing trace with hash 951005055, now seen corresponding path program 1 times [2024-11-28 03:01:13,679 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 03:01:13,680 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [507473966] [2024-11-28 03:01:13,681 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:01:13,681 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:01:13,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:01:13,746 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 03:01:13,747 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 03:01:13,747 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [507473966] [2024-11-28 03:01:13,747 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [507473966] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 03:01:13,747 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 03:01:13,747 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-28 03:01:13,747 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1334528033] [2024-11-28 03:01:13,748 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 03:01:13,748 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 03:01:13,749 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 03:01:13,749 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 03:01:13,749 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 03:01:13,809 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 407 out of 438 [2024-11-28 03:01:13,811 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 391 places, 393 transitions, 801 flow. Second operand has 3 states, 3 states have (on average 408.3333333333333) internal successors, (1225), 3 states have internal predecessors, (1225), 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 03:01:13,811 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-28 03:01:13,811 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 407 of 438 [2024-11-28 03:01:13,811 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-28 03:01:13,926 INFO L124 PetriNetUnfolderBase]: 30/645 cut-off events. [2024-11-28 03:01:13,927 INFO L125 PetriNetUnfolderBase]: For 7/8 co-relation queries the response was YES. [2024-11-28 03:01:13,932 INFO L83 FinitePrefix]: Finished finitePrefix Result has 694 conditions, 645 events. 30/645 cut-off events. For 7/8 co-relation queries the response was YES. Maximal size of possible extension queue 20. Compared 2511 event pairs, 11 based on Foata normal form. 0/535 useless extension candidates. Maximal degree in co-relation 676. Up to 36 conditions per place. [2024-11-28 03:01:13,936 INFO L140 encePairwiseOnDemand]: 435/438 looper letters, 13 selfloop transitions, 2 changer transitions 0/392 dead transitions. [2024-11-28 03:01:13,936 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 392 places, 392 transitions, 829 flow [2024-11-28 03:01:13,937 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 03:01:13,937 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-28 03:01:13,939 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1237 transitions. [2024-11-28 03:01:13,940 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.941400304414003 [2024-11-28 03:01:13,940 INFO L175 Difference]: Start difference. First operand has 391 places, 393 transitions, 801 flow. Second operand 3 states and 1237 transitions. [2024-11-28 03:01:13,940 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 392 places, 392 transitions, 829 flow [2024-11-28 03:01:13,943 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 387 places, 392 transitions, 819 flow, removed 0 selfloop flow, removed 5 redundant places. [2024-11-28 03:01:13,948 INFO L231 Difference]: Finished difference. Result has 387 places, 392 transitions, 793 flow [2024-11-28 03:01:13,948 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=438, PETRI_DIFFERENCE_MINUEND_FLOW=789, PETRI_DIFFERENCE_MINUEND_PLACES=385, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=392, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=390, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=793, PETRI_PLACES=387, PETRI_TRANSITIONS=392} [2024-11-28 03:01:13,951 INFO L279 CegarLoopForPetriNet]: 403 programPoint places, -16 predicate places. [2024-11-28 03:01:13,952 INFO L471 AbstractCegarLoop]: Abstraction has has 387 places, 392 transitions, 793 flow [2024-11-28 03:01:13,953 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 408.3333333333333) internal successors, (1225), 3 states have internal predecessors, (1225), 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 03:01:13,953 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-28 03:01:13,953 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] [2024-11-28 03:01:13,954 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-28 03:01:13,954 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting thread1Err0ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 98 more)] === [2024-11-28 03:01:13,955 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:01:13,956 INFO L85 PathProgramCache]: Analyzing trace with hash 1543781754, now seen corresponding path program 1 times [2024-11-28 03:01:13,956 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 03:01:13,957 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [606117302] [2024-11-28 03:01:13,957 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:01:13,957 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:01:13,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:01:14,023 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 03:01:14,023 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 03:01:14,024 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [606117302] [2024-11-28 03:01:14,024 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [606117302] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 03:01:14,024 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 03:01:14,024 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-28 03:01:14,024 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1237032937] [2024-11-28 03:01:14,024 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 03:01:14,025 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 03:01:14,025 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 03:01:14,025 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 03:01:14,025 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 03:01:14,061 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 407 out of 438 [2024-11-28 03:01:14,063 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 387 places, 392 transitions, 793 flow. Second operand has 3 states, 3 states have (on average 408.3333333333333) internal successors, (1225), 3 states have internal predecessors, (1225), 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 03:01:14,063 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-28 03:01:14,063 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 407 of 438 [2024-11-28 03:01:14,063 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-28 03:01:14,264 INFO L124 PetriNetUnfolderBase]: 64/1203 cut-off events. [2024-11-28 03:01:14,264 INFO L125 PetriNetUnfolderBase]: For 8/8 co-relation queries the response was YES. [2024-11-28 03:01:14,268 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1278 conditions, 1203 events. 64/1203 cut-off events. For 8/8 co-relation queries the response was YES. Maximal size of possible extension queue 30. Compared 6877 event pairs, 12 based on Foata normal form. 0/995 useless extension candidates. Maximal degree in co-relation 1242. Up to 62 conditions per place. [2024-11-28 03:01:14,272 INFO L140 encePairwiseOnDemand]: 432/438 looper letters, 14 selfloop transitions, 2 changer transitions 0/391 dead transitions. [2024-11-28 03:01:14,273 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 385 places, 391 transitions, 824 flow [2024-11-28 03:01:14,273 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 03:01:14,273 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-28 03:01:14,275 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1241 transitions. [2024-11-28 03:01:14,276 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9444444444444444 [2024-11-28 03:01:14,276 INFO L175 Difference]: Start difference. First operand has 387 places, 392 transitions, 793 flow. Second operand 3 states and 1241 transitions. [2024-11-28 03:01:14,276 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 385 places, 391 transitions, 824 flow [2024-11-28 03:01:14,279 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 383 places, 391 transitions, 820 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-28 03:01:14,285 INFO L231 Difference]: Finished difference. Result has 384 places, 390 transitions, 795 flow [2024-11-28 03:01:14,286 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=438, PETRI_DIFFERENCE_MINUEND_FLOW=781, PETRI_DIFFERENCE_MINUEND_PLACES=381, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=388, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=386, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=795, PETRI_PLACES=384, PETRI_TRANSITIONS=390} [2024-11-28 03:01:14,287 INFO L279 CegarLoopForPetriNet]: 403 programPoint places, -19 predicate places. [2024-11-28 03:01:14,287 INFO L471 AbstractCegarLoop]: Abstraction has has 384 places, 390 transitions, 795 flow [2024-11-28 03:01:14,288 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 408.3333333333333) internal successors, (1225), 3 states have internal predecessors, (1225), 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 03:01:14,288 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-28 03:01:14,288 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 03:01:14,288 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-28 03:01:14,288 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting thread1Err1ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 98 more)] === [2024-11-28 03:01:14,289 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:01:14,289 INFO L85 PathProgramCache]: Analyzing trace with hash 293433821, now seen corresponding path program 1 times [2024-11-28 03:01:14,289 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 03:01:14,289 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1029329490] [2024-11-28 03:01:14,289 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:01:14,289 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:01:14,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:01:14,345 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 03:01:14,346 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 03:01:14,346 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1029329490] [2024-11-28 03:01:14,347 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1029329490] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 03:01:14,347 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 03:01:14,347 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-28 03:01:14,347 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [606657580] [2024-11-28 03:01:14,347 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 03:01:14,347 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 03:01:14,348 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 03:01:14,348 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 03:01:14,348 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 03:01:14,380 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 407 out of 438 [2024-11-28 03:01:14,381 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 384 places, 390 transitions, 795 flow. Second operand has 3 states, 3 states have (on average 408.0) internal successors, (1224), 3 states have internal predecessors, (1224), 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 03:01:14,382 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-28 03:01:14,382 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 407 of 438 [2024-11-28 03:01:14,382 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-28 03:01:14,524 INFO L124 PetriNetUnfolderBase]: 37/891 cut-off events. [2024-11-28 03:01:14,524 INFO L125 PetriNetUnfolderBase]: For 2/7 co-relation queries the response was YES. [2024-11-28 03:01:14,529 INFO L83 FinitePrefix]: Finished finitePrefix Result has 942 conditions, 891 events. 37/891 cut-off events. For 2/7 co-relation queries the response was YES. Maximal size of possible extension queue 18. Compared 3902 event pairs, 1 based on Foata normal form. 1/752 useless extension candidates. Maximal degree in co-relation 907. Up to 20 conditions per place. [2024-11-28 03:01:14,533 INFO L140 encePairwiseOnDemand]: 431/438 looper letters, 11 selfloop transitions, 3 changer transitions 0/387 dead transitions. [2024-11-28 03:01:14,533 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 382 places, 387 transitions, 818 flow [2024-11-28 03:01:14,533 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 03:01:14,533 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-28 03:01:14,536 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1239 transitions. [2024-11-28 03:01:14,537 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9429223744292238 [2024-11-28 03:01:14,537 INFO L175 Difference]: Start difference. First operand has 384 places, 390 transitions, 795 flow. Second operand 3 states and 1239 transitions. [2024-11-28 03:01:14,537 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 382 places, 387 transitions, 818 flow [2024-11-28 03:01:14,540 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 382 places, 387 transitions, 818 flow, removed 0 selfloop flow, removed 0 redundant places. [2024-11-28 03:01:14,544 INFO L231 Difference]: Finished difference. Result has 382 places, 386 transitions, 793 flow [2024-11-28 03:01:14,545 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=438, PETRI_DIFFERENCE_MINUEND_FLOW=787, PETRI_DIFFERENCE_MINUEND_PLACES=380, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=386, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=383, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=793, PETRI_PLACES=382, PETRI_TRANSITIONS=386} [2024-11-28 03:01:14,546 INFO L279 CegarLoopForPetriNet]: 403 programPoint places, -21 predicate places. [2024-11-28 03:01:14,546 INFO L471 AbstractCegarLoop]: Abstraction has has 382 places, 386 transitions, 793 flow [2024-11-28 03:01:14,547 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 408.0) internal successors, (1224), 3 states have internal predecessors, (1224), 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 03:01:14,547 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-28 03:01:14,547 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 03:01:14,547 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-28 03:01:14,547 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting thread2Err1ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 98 more)] === [2024-11-28 03:01:14,548 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:01:14,548 INFO L85 PathProgramCache]: Analyzing trace with hash 1075433825, now seen corresponding path program 1 times [2024-11-28 03:01:14,548 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 03:01:14,548 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [604078932] [2024-11-28 03:01:14,548 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:01:14,549 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:01:14,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:01:14,636 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 03:01:14,637 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 03:01:14,638 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [604078932] [2024-11-28 03:01:14,638 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [604078932] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 03:01:14,638 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 03:01:14,638 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-28 03:01:14,638 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1340569255] [2024-11-28 03:01:14,638 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 03:01:14,639 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 03:01:14,639 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 03:01:14,639 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 03:01:14,642 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 03:01:14,758 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 367 out of 438 [2024-11-28 03:01:14,761 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 382 places, 386 transitions, 793 flow. Second operand has 3 states, 3 states have (on average 368.3333333333333) internal successors, (1105), 3 states have internal predecessors, (1105), 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 03:01:14,761 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-28 03:01:14,761 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 367 of 438 [2024-11-28 03:01:14,761 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-28 03:01:14,920 INFO L124 PetriNetUnfolderBase]: 61/787 cut-off events. [2024-11-28 03:01:14,920 INFO L125 PetriNetUnfolderBase]: For 37/38 co-relation queries the response was YES. [2024-11-28 03:01:14,924 INFO L83 FinitePrefix]: Finished finitePrefix Result has 952 conditions, 787 events. 61/787 cut-off events. For 37/38 co-relation queries the response was YES. Maximal size of possible extension queue 24. Compared 3711 event pairs, 5 based on Foata normal form. 1/702 useless extension candidates. Maximal degree in co-relation 916. Up to 121 conditions per place. [2024-11-28 03:01:14,930 INFO L140 encePairwiseOnDemand]: 411/438 looper letters, 29 selfloop transitions, 10 changer transitions 4/371 dead transitions. [2024-11-28 03:01:14,931 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 368 places, 371 transitions, 846 flow [2024-11-28 03:01:14,931 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 03:01:14,931 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-28 03:01:14,933 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1158 transitions. [2024-11-28 03:01:14,934 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.8812785388127854 [2024-11-28 03:01:14,934 INFO L175 Difference]: Start difference. First operand has 382 places, 386 transitions, 793 flow. Second operand 3 states and 1158 transitions. [2024-11-28 03:01:14,934 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 368 places, 371 transitions, 846 flow [2024-11-28 03:01:14,939 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 366 places, 371 transitions, 840 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-28 03:01:14,944 INFO L231 Difference]: Finished difference. Result has 366 places, 366 transitions, 766 flow [2024-11-28 03:01:14,945 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=438, PETRI_DIFFERENCE_MINUEND_FLOW=755, PETRI_DIFFERENCE_MINUEND_PLACES=364, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=370, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=10, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=360, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=766, PETRI_PLACES=366, PETRI_TRANSITIONS=366} [2024-11-28 03:01:14,947 INFO L279 CegarLoopForPetriNet]: 403 programPoint places, -37 predicate places. [2024-11-28 03:01:14,948 INFO L471 AbstractCegarLoop]: Abstraction has has 366 places, 366 transitions, 766 flow [2024-11-28 03:01:14,949 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 368.3333333333333) internal successors, (1105), 3 states have internal predecessors, (1105), 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 03:01:14,951 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-28 03:01:14,952 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 03:01:14,952 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-28 03:01:14,952 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting thread1Err4ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 98 more)] === [2024-11-28 03:01:14,952 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:01:14,953 INFO L85 PathProgramCache]: Analyzing trace with hash -1369946169, now seen corresponding path program 1 times [2024-11-28 03:01:14,953 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 03:01:14,953 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1732999222] [2024-11-28 03:01:14,953 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:01:14,953 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:01:14,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:01:15,031 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 03:01:15,031 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 03:01:15,031 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1732999222] [2024-11-28 03:01:15,031 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1732999222] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 03:01:15,032 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 03:01:15,032 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-28 03:01:15,032 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2146850170] [2024-11-28 03:01:15,032 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 03:01:15,032 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 03:01:15,033 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 03:01:15,033 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 03:01:15,034 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 03:01:15,078 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 401 out of 438 [2024-11-28 03:01:15,080 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 366 places, 366 transitions, 766 flow. Second operand has 3 states, 3 states have (on average 402.3333333333333) internal successors, (1207), 3 states have internal predecessors, (1207), 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 03:01:15,080 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-28 03:01:15,080 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 401 of 438 [2024-11-28 03:01:15,080 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-28 03:01:15,343 INFO L124 PetriNetUnfolderBase]: 104/1516 cut-off events. [2024-11-28 03:01:15,343 INFO L125 PetriNetUnfolderBase]: For 12/12 co-relation queries the response was YES. [2024-11-28 03:01:15,350 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1711 conditions, 1516 events. 104/1516 cut-off events. For 12/12 co-relation queries the response was YES. Maximal size of possible extension queue 30. Compared 8953 event pairs, 11 based on Foata normal form. 0/1353 useless extension candidates. Maximal degree in co-relation 1675. Up to 106 conditions per place. [2024-11-28 03:01:15,355 INFO L140 encePairwiseOnDemand]: 428/438 looper letters, 18 selfloop transitions, 4 changer transitions 0/366 dead transitions. [2024-11-28 03:01:15,356 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 358 places, 366 transitions, 812 flow [2024-11-28 03:01:15,356 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 03:01:15,356 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-28 03:01:15,358 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1231 transitions. [2024-11-28 03:01:15,359 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.936834094368341 [2024-11-28 03:01:15,359 INFO L175 Difference]: Start difference. First operand has 366 places, 366 transitions, 766 flow. Second operand 3 states and 1231 transitions. [2024-11-28 03:01:15,360 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 358 places, 366 transitions, 812 flow [2024-11-28 03:01:15,363 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 356 places, 366 transitions, 792 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-28 03:01:15,368 INFO L231 Difference]: Finished difference. Result has 357 places, 364 transitions, 762 flow [2024-11-28 03:01:15,368 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=438, PETRI_DIFFERENCE_MINUEND_FLOW=734, PETRI_DIFFERENCE_MINUEND_PLACES=354, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=360, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=356, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=762, PETRI_PLACES=357, PETRI_TRANSITIONS=364} [2024-11-28 03:01:15,370 INFO L279 CegarLoopForPetriNet]: 403 programPoint places, -46 predicate places. [2024-11-28 03:01:15,370 INFO L471 AbstractCegarLoop]: Abstraction has has 357 places, 364 transitions, 762 flow [2024-11-28 03:01:15,371 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 402.3333333333333) internal successors, (1207), 3 states have internal predecessors, (1207), 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 03:01:15,371 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-28 03:01:15,371 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 03:01:15,372 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-11-28 03:01:15,372 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting thread1Err6ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 98 more)] === [2024-11-28 03:01:15,372 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:01:15,372 INFO L85 PathProgramCache]: Analyzing trace with hash -1788324755, now seen corresponding path program 1 times [2024-11-28 03:01:15,373 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 03:01:15,373 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1056155591] [2024-11-28 03:01:15,373 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:01:15,373 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:01:15,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:01:15,571 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 03:01:15,571 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 03:01:15,571 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1056155591] [2024-11-28 03:01:15,571 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1056155591] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 03:01:15,572 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 03:01:15,572 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-28 03:01:15,572 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1877795296] [2024-11-28 03:01:15,572 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 03:01:15,572 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-28 03:01:15,572 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 03:01:15,573 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-28 03:01:15,573 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-28 03:01:15,633 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 413 out of 438 [2024-11-28 03:01:15,635 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 357 places, 364 transitions, 762 flow. Second operand has 4 states, 4 states have (on average 414.25) internal successors, (1657), 4 states have internal predecessors, (1657), 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 03:01:15,635 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-28 03:01:15,635 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 413 of 438 [2024-11-28 03:01:15,636 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-28 03:01:15,964 INFO L124 PetriNetUnfolderBase]: 97/1874 cut-off events. [2024-11-28 03:01:15,964 INFO L125 PetriNetUnfolderBase]: For 2/2 co-relation queries the response was YES. [2024-11-28 03:01:15,974 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2010 conditions, 1874 events. 97/1874 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 27. Compared 11563 event pairs, 6 based on Foata normal form. 0/1673 useless extension candidates. Maximal degree in co-relation 1973. Up to 45 conditions per place. [2024-11-28 03:01:15,979 INFO L140 encePairwiseOnDemand]: 432/438 looper letters, 13 selfloop transitions, 6 changer transitions 0/373 dead transitions. [2024-11-28 03:01:15,980 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 361 places, 373 transitions, 822 flow [2024-11-28 03:01:15,980 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-28 03:01:15,980 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2024-11-28 03:01:15,984 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 2085 transitions. [2024-11-28 03:01:15,985 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.952054794520548 [2024-11-28 03:01:15,985 INFO L175 Difference]: Start difference. First operand has 357 places, 364 transitions, 762 flow. Second operand 5 states and 2085 transitions. [2024-11-28 03:01:15,986 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 361 places, 373 transitions, 822 flow [2024-11-28 03:01:15,992 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 361 places, 373 transitions, 822 flow, removed 0 selfloop flow, removed 0 redundant places. [2024-11-28 03:01:15,996 INFO L231 Difference]: Finished difference. Result has 364 places, 368 transitions, 800 flow [2024-11-28 03:01:15,998 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=438, PETRI_DIFFERENCE_MINUEND_FLOW=762, PETRI_DIFFERENCE_MINUEND_PLACES=357, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=364, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=359, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=800, PETRI_PLACES=364, PETRI_TRANSITIONS=368} [2024-11-28 03:01:15,999 INFO L279 CegarLoopForPetriNet]: 403 programPoint places, -39 predicate places. [2024-11-28 03:01:15,999 INFO L471 AbstractCegarLoop]: Abstraction has has 364 places, 368 transitions, 800 flow [2024-11-28 03:01:16,000 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 414.25) internal successors, (1657), 4 states have internal predecessors, (1657), 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 03:01:16,001 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-28 03:01:16,001 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 03:01:16,001 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-11-28 03:01:16,001 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting thread1Err6ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 98 more)] === [2024-11-28 03:01:16,002 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:01:16,002 INFO L85 PathProgramCache]: Analyzing trace with hash 175156840, now seen corresponding path program 1 times [2024-11-28 03:01:16,002 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 03:01:16,003 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [568696313] [2024-11-28 03:01:16,003 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:01:16,003 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:01:16,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:01:16,653 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 03:01:16,656 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 03:01:16,656 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [568696313] [2024-11-28 03:01:16,656 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [568696313] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 03:01:16,656 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 03:01:16,656 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-28 03:01:16,657 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [68549589] [2024-11-28 03:01:16,657 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 03:01:16,657 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-28 03:01:16,657 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 03:01:16,658 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-28 03:01:16,658 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-28 03:01:17,299 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 406 out of 438 [2024-11-28 03:01:17,303 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 364 places, 368 transitions, 800 flow. Second operand has 6 states, 6 states have (on average 407.5) internal successors, (2445), 6 states have internal predecessors, (2445), 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 03:01:17,303 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-28 03:01:17,303 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 406 of 438 [2024-11-28 03:01:17,304 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-28 03:01:17,583 INFO L124 PetriNetUnfolderBase]: 79/1443 cut-off events. [2024-11-28 03:01:17,583 INFO L125 PetriNetUnfolderBase]: For 8/9 co-relation queries the response was YES. [2024-11-28 03:01:17,589 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1606 conditions, 1443 events. 79/1443 cut-off events. For 8/9 co-relation queries the response was YES. Maximal size of possible extension queue 23. Compared 7984 event pairs, 5 based on Foata normal form. 0/1299 useless extension candidates. Maximal degree in co-relation 1563. Up to 35 conditions per place. [2024-11-28 03:01:17,594 INFO L140 encePairwiseOnDemand]: 432/438 looper letters, 15 selfloop transitions, 6 changer transitions 0/371 dead transitions. [2024-11-28 03:01:17,594 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 368 places, 371 transitions, 852 flow [2024-11-28 03:01:17,595 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-28 03:01:17,595 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-28 03:01:17,598 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 2457 transitions. [2024-11-28 03:01:17,600 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.934931506849315 [2024-11-28 03:01:17,600 INFO L175 Difference]: Start difference. First operand has 364 places, 368 transitions, 800 flow. Second operand 6 states and 2457 transitions. [2024-11-28 03:01:17,600 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 368 places, 371 transitions, 852 flow [2024-11-28 03:01:17,602 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 368 places, 371 transitions, 852 flow, removed 0 selfloop flow, removed 0 redundant places. [2024-11-28 03:01:17,606 INFO L231 Difference]: Finished difference. Result has 368 places, 367 transitions, 810 flow [2024-11-28 03:01:17,607 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=438, PETRI_DIFFERENCE_MINUEND_FLOW=798, PETRI_DIFFERENCE_MINUEND_PLACES=363, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=367, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=6, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=361, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=810, PETRI_PLACES=368, PETRI_TRANSITIONS=367} [2024-11-28 03:01:17,608 INFO L279 CegarLoopForPetriNet]: 403 programPoint places, -35 predicate places. [2024-11-28 03:01:17,608 INFO L471 AbstractCegarLoop]: Abstraction has has 368 places, 367 transitions, 810 flow [2024-11-28 03:01:17,609 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 407.5) internal successors, (2445), 6 states have internal predecessors, (2445), 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 03:01:17,609 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-28 03:01:17,609 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 03:01:17,610 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-11-28 03:01:17,610 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting thread2Err6ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 98 more)] === [2024-11-28 03:01:17,610 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:01:17,611 INFO L85 PathProgramCache]: Analyzing trace with hash 2023969768, now seen corresponding path program 1 times [2024-11-28 03:01:17,611 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 03:01:17,611 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1807134030] [2024-11-28 03:01:17,611 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:01:17,611 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:01:17,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:01:17,733 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 03:01:17,733 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 03:01:17,733 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1807134030] [2024-11-28 03:01:17,733 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1807134030] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 03:01:17,733 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 03:01:17,734 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-28 03:01:17,734 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [98909521] [2024-11-28 03:01:17,734 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 03:01:17,734 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-28 03:01:17,734 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 03:01:17,735 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-28 03:01:17,735 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-28 03:01:17,870 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 409 out of 438 [2024-11-28 03:01:17,872 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 368 places, 367 transitions, 810 flow. Second operand has 4 states, 4 states have (on average 410.5) internal successors, (1642), 4 states have internal predecessors, (1642), 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 03:01:17,872 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-28 03:01:17,872 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 409 of 438 [2024-11-28 03:01:17,872 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-28 03:01:18,255 INFO L124 PetriNetUnfolderBase]: 118/1973 cut-off events. [2024-11-28 03:01:18,255 INFO L125 PetriNetUnfolderBase]: For 42/43 co-relation queries the response was YES. [2024-11-28 03:01:18,264 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2255 conditions, 1973 events. 118/1973 cut-off events. For 42/43 co-relation queries the response was YES. Maximal size of possible extension queue 22. Compared 11503 event pairs, 12 based on Foata normal form. 0/1772 useless extension candidates. Maximal degree in co-relation 2212. Up to 89 conditions per place. [2024-11-28 03:01:18,269 INFO L140 encePairwiseOnDemand]: 430/438 looper letters, 16 selfloop transitions, 8 changer transitions 0/377 dead transitions. [2024-11-28 03:01:18,269 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 372 places, 377 transitions, 881 flow [2024-11-28 03:01:18,270 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-28 03:01:18,270 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2024-11-28 03:01:18,273 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 2070 transitions. [2024-11-28 03:01:18,274 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9452054794520548 [2024-11-28 03:01:18,275 INFO L175 Difference]: Start difference. First operand has 368 places, 367 transitions, 810 flow. Second operand 5 states and 2070 transitions. [2024-11-28 03:01:18,275 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 372 places, 377 transitions, 881 flow [2024-11-28 03:01:18,278 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 367 places, 377 transitions, 869 flow, removed 0 selfloop flow, removed 5 redundant places. [2024-11-28 03:01:18,282 INFO L231 Difference]: Finished difference. Result has 370 places, 373 transitions, 852 flow [2024-11-28 03:01:18,283 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=438, PETRI_DIFFERENCE_MINUEND_FLOW=798, PETRI_DIFFERENCE_MINUEND_PLACES=363, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=367, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=360, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=852, PETRI_PLACES=370, PETRI_TRANSITIONS=373} [2024-11-28 03:01:18,283 INFO L279 CegarLoopForPetriNet]: 403 programPoint places, -33 predicate places. [2024-11-28 03:01:18,283 INFO L471 AbstractCegarLoop]: Abstraction has has 370 places, 373 transitions, 852 flow [2024-11-28 03:01:18,284 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 410.5) internal successors, (1642), 4 states have internal predecessors, (1642), 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 03:01:18,284 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-28 03:01:18,285 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 03:01:18,285 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-11-28 03:01:18,285 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting thread1Err7ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 98 more)] === [2024-11-28 03:01:18,286 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:01:18,286 INFO L85 PathProgramCache]: Analyzing trace with hash -300911381, now seen corresponding path program 1 times [2024-11-28 03:01:18,286 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 03:01:18,286 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [732805656] [2024-11-28 03:01:18,286 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:01:18,286 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:01:18,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:01:18,338 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 03:01:18,338 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 03:01:18,338 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [732805656] [2024-11-28 03:01:18,338 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [732805656] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 03:01:18,338 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 03:01:18,338 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-28 03:01:18,338 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [883376593] [2024-11-28 03:01:18,339 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 03:01:18,339 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 03:01:18,339 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 03:01:18,340 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 03:01:18,340 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 03:01:18,365 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 411 out of 438 [2024-11-28 03:01:18,367 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 370 places, 373 transitions, 852 flow. Second operand has 3 states, 3 states have (on average 413.3333333333333) internal successors, (1240), 3 states have internal predecessors, (1240), 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 03:01:18,367 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-28 03:01:18,368 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 411 of 438 [2024-11-28 03:01:18,368 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-28 03:01:18,856 INFO L124 PetriNetUnfolderBase]: 131/2772 cut-off events. [2024-11-28 03:01:18,857 INFO L125 PetriNetUnfolderBase]: For 55/55 co-relation queries the response was YES. [2024-11-28 03:01:18,873 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3124 conditions, 2772 events. 131/2772 cut-off events. For 55/55 co-relation queries the response was YES. Maximal size of possible extension queue 34. Compared 19183 event pairs, 16 based on Foata normal form. 0/2500 useless extension candidates. Maximal degree in co-relation 3078. Up to 69 conditions per place. [2024-11-28 03:01:18,882 INFO L140 encePairwiseOnDemand]: 435/438 looper letters, 9 selfloop transitions, 2 changer transitions 0/373 dead transitions. [2024-11-28 03:01:18,882 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 371 places, 373 transitions, 875 flow [2024-11-28 03:01:18,883 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 03:01:18,883 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-28 03:01:18,885 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1245 transitions. [2024-11-28 03:01:18,886 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9474885844748858 [2024-11-28 03:01:18,886 INFO L175 Difference]: Start difference. First operand has 370 places, 373 transitions, 852 flow. Second operand 3 states and 1245 transitions. [2024-11-28 03:01:18,886 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 371 places, 373 transitions, 875 flow [2024-11-28 03:01:18,892 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 371 places, 373 transitions, 875 flow, removed 0 selfloop flow, removed 0 redundant places. [2024-11-28 03:01:18,897 INFO L231 Difference]: Finished difference. Result has 371 places, 372 transitions, 854 flow [2024-11-28 03:01:18,898 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=438, PETRI_DIFFERENCE_MINUEND_FLOW=850, PETRI_DIFFERENCE_MINUEND_PLACES=369, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=372, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=370, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=854, PETRI_PLACES=371, PETRI_TRANSITIONS=372} [2024-11-28 03:01:18,900 INFO L279 CegarLoopForPetriNet]: 403 programPoint places, -32 predicate places. [2024-11-28 03:01:18,900 INFO L471 AbstractCegarLoop]: Abstraction has has 371 places, 372 transitions, 854 flow [2024-11-28 03:01:18,901 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 413.3333333333333) internal successors, (1240), 3 states have internal predecessors, (1240), 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 03:01:18,901 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-28 03:01:18,901 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 03:01:18,901 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2024-11-28 03:01:18,902 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting thread2Err28ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 98 more)] === [2024-11-28 03:01:18,902 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:01:18,902 INFO L85 PathProgramCache]: Analyzing trace with hash -496955559, now seen corresponding path program 1 times [2024-11-28 03:01:18,903 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 03:01:18,903 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1683046270] [2024-11-28 03:01:18,903 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:01:18,903 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:01:18,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:01:19,045 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 03:01:19,045 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 03:01:19,046 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1683046270] [2024-11-28 03:01:19,046 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1683046270] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 03:01:19,046 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 03:01:19,046 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-28 03:01:19,046 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2061800131] [2024-11-28 03:01:19,046 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 03:01:19,046 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-28 03:01:19,047 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 03:01:19,047 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-28 03:01:19,047 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-28 03:01:19,168 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 409 out of 438 [2024-11-28 03:01:19,170 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 371 places, 372 transitions, 854 flow. Second operand has 4 states, 4 states have (on average 410.5) internal successors, (1642), 4 states have internal predecessors, (1642), 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 03:01:19,171 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-28 03:01:19,171 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 409 of 438 [2024-11-28 03:01:19,171 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-28 03:01:19,598 INFO L124 PetriNetUnfolderBase]: 115/1963 cut-off events. [2024-11-28 03:01:19,598 INFO L125 PetriNetUnfolderBase]: For 120/121 co-relation queries the response was YES. [2024-11-28 03:01:19,611 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2323 conditions, 1963 events. 115/1963 cut-off events. For 120/121 co-relation queries the response was YES. Maximal size of possible extension queue 21. Compared 11449 event pairs, 12 based on Foata normal form. 0/1778 useless extension candidates. Maximal degree in co-relation 2275. Up to 89 conditions per place. [2024-11-28 03:01:19,618 INFO L140 encePairwiseOnDemand]: 430/438 looper letters, 16 selfloop transitions, 8 changer transitions 0/379 dead transitions. [2024-11-28 03:01:19,618 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 375 places, 379 transitions, 919 flow [2024-11-28 03:01:19,619 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-28 03:01:19,619 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2024-11-28 03:01:19,622 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 2070 transitions. [2024-11-28 03:01:19,624 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9452054794520548 [2024-11-28 03:01:19,624 INFO L175 Difference]: Start difference. First operand has 371 places, 372 transitions, 854 flow. Second operand 5 states and 2070 transitions. [2024-11-28 03:01:19,624 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 375 places, 379 transitions, 919 flow [2024-11-28 03:01:19,628 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 373 places, 379 transitions, 915 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-28 03:01:19,632 INFO L231 Difference]: Finished difference. Result has 376 places, 375 transitions, 892 flow [2024-11-28 03:01:19,633 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=438, PETRI_DIFFERENCE_MINUEND_FLOW=850, PETRI_DIFFERENCE_MINUEND_PLACES=369, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=372, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=365, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=892, PETRI_PLACES=376, PETRI_TRANSITIONS=375} [2024-11-28 03:01:19,633 INFO L279 CegarLoopForPetriNet]: 403 programPoint places, -27 predicate places. [2024-11-28 03:01:19,633 INFO L471 AbstractCegarLoop]: Abstraction has has 376 places, 375 transitions, 892 flow [2024-11-28 03:01:19,635 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 410.5) internal successors, (1642), 4 states have internal predecessors, (1642), 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 03:01:19,635 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-28 03:01:19,635 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 03:01:19,635 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2024-11-28 03:01:19,635 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting thread2Err6ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 98 more)] === [2024-11-28 03:01:19,636 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:01:19,636 INFO L85 PathProgramCache]: Analyzing trace with hash -2135203552, now seen corresponding path program 1 times [2024-11-28 03:01:19,636 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 03:01:19,636 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1707127122] [2024-11-28 03:01:19,636 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:01:19,636 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:01:19,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:01:20,086 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 03:01:20,086 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 03:01:20,087 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1707127122] [2024-11-28 03:01:20,087 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1707127122] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 03:01:20,087 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 03:01:20,087 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-28 03:01:20,087 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1572344255] [2024-11-28 03:01:20,087 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 03:01:20,087 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-28 03:01:20,088 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 03:01:20,088 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-28 03:01:20,088 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-28 03:01:20,539 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 378 out of 438 [2024-11-28 03:01:20,541 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 376 places, 375 transitions, 892 flow. Second operand has 6 states, 6 states have (on average 379.6666666666667) internal successors, (2278), 6 states have internal predecessors, (2278), 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 03:01:20,542 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-28 03:01:20,542 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 378 of 438 [2024-11-28 03:01:20,542 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-28 03:01:20,939 INFO L124 PetriNetUnfolderBase]: 165/1651 cut-off events. [2024-11-28 03:01:20,939 INFO L125 PetriNetUnfolderBase]: For 235/236 co-relation queries the response was YES. [2024-11-28 03:01:20,949 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2314 conditions, 1651 events. 165/1651 cut-off events. For 235/236 co-relation queries the response was YES. Maximal size of possible extension queue 34. Compared 9094 event pairs, 18 based on Foata normal form. 0/1538 useless extension candidates. Maximal degree in co-relation 2261. Up to 128 conditions per place. [2024-11-28 03:01:20,952 INFO L140 encePairwiseOnDemand]: 408/438 looper letters, 19 selfloop transitions, 28 changer transitions 0/374 dead transitions. [2024-11-28 03:01:20,953 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 376 places, 374 transitions, 988 flow [2024-11-28 03:01:20,953 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-28 03:01:20,953 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-28 03:01:20,957 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 2317 transitions. [2024-11-28 03:01:20,958 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.8816590563165906 [2024-11-28 03:01:20,958 INFO L175 Difference]: Start difference. First operand has 376 places, 375 transitions, 892 flow. Second operand 6 states and 2317 transitions. [2024-11-28 03:01:20,959 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 376 places, 374 transitions, 988 flow [2024-11-28 03:01:20,963 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 376 places, 374 transitions, 988 flow, removed 0 selfloop flow, removed 0 redundant places. [2024-11-28 03:01:20,967 INFO L231 Difference]: Finished difference. Result has 376 places, 370 transitions, 938 flow [2024-11-28 03:01:20,967 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=438, PETRI_DIFFERENCE_MINUEND_FLOW=882, PETRI_DIFFERENCE_MINUEND_PLACES=371, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=370, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=28, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=342, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=938, PETRI_PLACES=376, PETRI_TRANSITIONS=370} [2024-11-28 03:01:20,968 INFO L279 CegarLoopForPetriNet]: 403 programPoint places, -27 predicate places. [2024-11-28 03:01:20,968 INFO L471 AbstractCegarLoop]: Abstraction has has 376 places, 370 transitions, 938 flow [2024-11-28 03:01:20,969 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 379.6666666666667) internal successors, (2278), 6 states have internal predecessors, (2278), 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 03:01:20,969 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-28 03:01:20,969 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 03:01:20,969 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2024-11-28 03:01:20,969 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting thread2Err7ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 98 more)] === [2024-11-28 03:01:20,970 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:01:20,970 INFO L85 PathProgramCache]: Analyzing trace with hash 101751912, now seen corresponding path program 1 times [2024-11-28 03:01:20,970 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 03:01:20,970 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1572655013] [2024-11-28 03:01:20,970 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:01:20,970 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:01:20,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:01:21,033 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 03:01:21,033 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 03:01:21,033 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1572655013] [2024-11-28 03:01:21,034 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1572655013] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 03:01:21,034 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 03:01:21,034 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-28 03:01:21,036 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1127309267] [2024-11-28 03:01:21,036 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 03:01:21,036 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 03:01:21,037 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 03:01:21,037 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 03:01:21,037 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 03:01:21,137 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 395 out of 438 [2024-11-28 03:01:21,138 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 376 places, 370 transitions, 938 flow. Second operand has 3 states, 3 states have (on average 397.6666666666667) internal successors, (1193), 3 states have internal predecessors, (1193), 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 03:01:21,139 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-28 03:01:21,139 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 395 of 438 [2024-11-28 03:01:21,139 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-28 03:01:21,474 INFO L124 PetriNetUnfolderBase]: 147/1897 cut-off events. [2024-11-28 03:01:21,475 INFO L125 PetriNetUnfolderBase]: For 249/250 co-relation queries the response was YES. [2024-11-28 03:01:21,488 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2646 conditions, 1897 events. 147/1897 cut-off events. For 249/250 co-relation queries the response was YES. Maximal size of possible extension queue 25. Compared 11182 event pairs, 68 based on Foata normal form. 0/1763 useless extension candidates. Maximal degree in co-relation 2594. Up to 244 conditions per place. [2024-11-28 03:01:21,493 INFO L140 encePairwiseOnDemand]: 435/438 looper letters, 25 selfloop transitions, 2 changer transitions 0/370 dead transitions. [2024-11-28 03:01:21,493 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 377 places, 370 transitions, 993 flow [2024-11-28 03:01:21,493 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 03:01:21,493 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-28 03:01:21,495 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1213 transitions. [2024-11-28 03:01:21,496 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9231354642313546 [2024-11-28 03:01:21,496 INFO L175 Difference]: Start difference. First operand has 376 places, 370 transitions, 938 flow. Second operand 3 states and 1213 transitions. [2024-11-28 03:01:21,496 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 377 places, 370 transitions, 993 flow [2024-11-28 03:01:21,501 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 372 places, 370 transitions, 937 flow, removed 0 selfloop flow, removed 5 redundant places. [2024-11-28 03:01:21,506 INFO L231 Difference]: Finished difference. Result has 372 places, 369 transitions, 884 flow [2024-11-28 03:01:21,506 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=438, PETRI_DIFFERENCE_MINUEND_FLOW=880, PETRI_DIFFERENCE_MINUEND_PLACES=370, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=369, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=367, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=884, PETRI_PLACES=372, PETRI_TRANSITIONS=369} [2024-11-28 03:01:21,507 INFO L279 CegarLoopForPetriNet]: 403 programPoint places, -31 predicate places. [2024-11-28 03:01:21,507 INFO L471 AbstractCegarLoop]: Abstraction has has 372 places, 369 transitions, 884 flow [2024-11-28 03:01:21,508 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 397.6666666666667) internal successors, (1193), 3 states have internal predecessors, (1193), 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 03:01:21,508 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-28 03:01:21,508 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 03:01:21,508 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2024-11-28 03:01:21,508 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting thread2Err37ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 98 more)] === [2024-11-28 03:01:21,509 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:01:21,509 INFO L85 PathProgramCache]: Analyzing trace with hash -1160507023, now seen corresponding path program 1 times [2024-11-28 03:01:21,509 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 03:01:21,509 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [995127165] [2024-11-28 03:01:21,509 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:01:21,509 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:01:21,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:01:21,571 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 03:01:21,571 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 03:01:21,571 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [995127165] [2024-11-28 03:01:21,571 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [995127165] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 03:01:21,571 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 03:01:21,571 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-28 03:01:21,571 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1689655570] [2024-11-28 03:01:21,572 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 03:01:21,573 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 03:01:21,573 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 03:01:21,573 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 03:01:21,573 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 03:01:21,709 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 395 out of 438 [2024-11-28 03:01:21,711 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 372 places, 369 transitions, 884 flow. Second operand has 3 states, 3 states have (on average 397.3333333333333) internal successors, (1192), 3 states have internal predecessors, (1192), 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 03:01:21,711 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-28 03:01:21,711 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 395 of 438 [2024-11-28 03:01:21,711 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-28 03:01:22,032 INFO L124 PetriNetUnfolderBase]: 141/1764 cut-off events. [2024-11-28 03:01:22,032 INFO L125 PetriNetUnfolderBase]: For 185/186 co-relation queries the response was YES. [2024-11-28 03:01:22,045 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2301 conditions, 1764 events. 141/1764 cut-off events. For 185/186 co-relation queries the response was YES. Maximal size of possible extension queue 23. Compared 10083 event pairs, 68 based on Foata normal form. 0/1637 useless extension candidates. Maximal degree in co-relation 2249. Up to 241 conditions per place. [2024-11-28 03:01:22,049 INFO L140 encePairwiseOnDemand]: 435/438 looper letters, 24 selfloop transitions, 2 changer transitions 1/369 dead transitions. [2024-11-28 03:01:22,049 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 373 places, 369 transitions, 939 flow [2024-11-28 03:01:22,049 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 03:01:22,049 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-28 03:01:22,051 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1213 transitions. [2024-11-28 03:01:22,052 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9231354642313546 [2024-11-28 03:01:22,052 INFO L175 Difference]: Start difference. First operand has 372 places, 369 transitions, 884 flow. Second operand 3 states and 1213 transitions. [2024-11-28 03:01:22,052 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 373 places, 369 transitions, 939 flow [2024-11-28 03:01:22,056 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 371 places, 369 transitions, 935 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-28 03:01:22,059 INFO L231 Difference]: Finished difference. Result has 371 places, 368 transitions, 882 flow [2024-11-28 03:01:22,060 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=438, PETRI_DIFFERENCE_MINUEND_FLOW=878, PETRI_DIFFERENCE_MINUEND_PLACES=369, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=368, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=366, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=882, PETRI_PLACES=371, PETRI_TRANSITIONS=368} [2024-11-28 03:01:22,060 INFO L279 CegarLoopForPetriNet]: 403 programPoint places, -32 predicate places. [2024-11-28 03:01:22,060 INFO L471 AbstractCegarLoop]: Abstraction has has 371 places, 368 transitions, 882 flow [2024-11-28 03:01:22,061 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 397.3333333333333) internal successors, (1192), 3 states have internal predecessors, (1192), 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 03:01:22,061 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-28 03:01:22,061 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 03:01:22,062 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2024-11-28 03:01:22,062 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting thread2Err29ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 98 more)] === [2024-11-28 03:01:22,062 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:01:22,063 INFO L85 PathProgramCache]: Analyzing trace with hash 1869116830, now seen corresponding path program 1 times [2024-11-28 03:01:22,063 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 03:01:22,063 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1782945757] [2024-11-28 03:01:22,063 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:01:22,063 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:01:22,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:01:22,109 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 03:01:22,110 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 03:01:22,110 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1782945757] [2024-11-28 03:01:22,110 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1782945757] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 03:01:22,110 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 03:01:22,110 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-28 03:01:22,110 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1269704601] [2024-11-28 03:01:22,110 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 03:01:22,111 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 03:01:22,111 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 03:01:22,111 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 03:01:22,111 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 03:01:22,235 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 395 out of 438 [2024-11-28 03:01:22,237 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 371 places, 368 transitions, 882 flow. Second operand has 3 states, 3 states have (on average 397.6666666666667) internal successors, (1193), 3 states have internal predecessors, (1193), 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 03:01:22,237 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-28 03:01:22,237 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 395 of 438 [2024-11-28 03:01:22,237 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-28 03:01:22,596 INFO L124 PetriNetUnfolderBase]: 144/1818 cut-off events. [2024-11-28 03:01:22,596 INFO L125 PetriNetUnfolderBase]: For 187/188 co-relation queries the response was YES. [2024-11-28 03:01:22,608 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2361 conditions, 1818 events. 144/1818 cut-off events. For 187/188 co-relation queries the response was YES. Maximal size of possible extension queue 23. Compared 10542 event pairs, 68 based on Foata normal form. 0/1694 useless extension candidates. Maximal degree in co-relation 2309. Up to 242 conditions per place. [2024-11-28 03:01:22,612 INFO L140 encePairwiseOnDemand]: 435/438 looper letters, 24 selfloop transitions, 2 changer transitions 1/368 dead transitions. [2024-11-28 03:01:22,612 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 372 places, 368 transitions, 937 flow [2024-11-28 03:01:22,613 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 03:01:22,613 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-28 03:01:22,615 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1213 transitions. [2024-11-28 03:01:22,616 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9231354642313546 [2024-11-28 03:01:22,616 INFO L175 Difference]: Start difference. First operand has 371 places, 368 transitions, 882 flow. Second operand 3 states and 1213 transitions. [2024-11-28 03:01:22,616 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 372 places, 368 transitions, 937 flow [2024-11-28 03:01:22,619 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 370 places, 368 transitions, 933 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-28 03:01:22,624 INFO L231 Difference]: Finished difference. Result has 370 places, 367 transitions, 880 flow [2024-11-28 03:01:22,624 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=438, PETRI_DIFFERENCE_MINUEND_FLOW=876, PETRI_DIFFERENCE_MINUEND_PLACES=368, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=367, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=365, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=880, PETRI_PLACES=370, PETRI_TRANSITIONS=367} [2024-11-28 03:01:22,625 INFO L279 CegarLoopForPetriNet]: 403 programPoint places, -33 predicate places. [2024-11-28 03:01:22,625 INFO L471 AbstractCegarLoop]: Abstraction has has 370 places, 367 transitions, 880 flow [2024-11-28 03:01:22,625 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 397.6666666666667) internal successors, (1193), 3 states have internal predecessors, (1193), 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 03:01:22,626 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-28 03:01:22,626 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 03:01:22,626 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2024-11-28 03:01:22,626 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting thread2Err14ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 98 more)] === [2024-11-28 03:01:22,627 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:01:22,627 INFO L85 PathProgramCache]: Analyzing trace with hash -980290393, now seen corresponding path program 1 times [2024-11-28 03:01:22,627 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 03:01:22,628 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [786055015] [2024-11-28 03:01:22,628 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:01:22,628 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:01:22,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:01:22,699 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 03:01:22,699 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 03:01:22,699 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [786055015] [2024-11-28 03:01:22,699 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [786055015] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 03:01:22,699 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 03:01:22,699 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-28 03:01:22,700 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [700206807] [2024-11-28 03:01:22,700 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 03:01:22,700 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 03:01:22,700 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 03:01:22,701 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 03:01:22,701 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 03:01:22,833 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 395 out of 438 [2024-11-28 03:01:22,834 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 370 places, 367 transitions, 880 flow. Second operand has 3 states, 3 states have (on average 398.6666666666667) internal successors, (1196), 3 states have internal predecessors, (1196), 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 03:01:22,834 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-28 03:01:22,835 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 395 of 438 [2024-11-28 03:01:22,835 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-28 03:01:23,214 INFO L124 PetriNetUnfolderBase]: 146/1851 cut-off events. [2024-11-28 03:01:23,214 INFO L125 PetriNetUnfolderBase]: For 189/190 co-relation queries the response was YES. [2024-11-28 03:01:23,222 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2407 conditions, 1851 events. 146/1851 cut-off events. For 189/190 co-relation queries the response was YES. Maximal size of possible extension queue 22. Compared 10755 event pairs, 68 based on Foata normal form. 0/1731 useless extension candidates. Maximal degree in co-relation 2355. Up to 244 conditions per place. [2024-11-28 03:01:23,225 INFO L140 encePairwiseOnDemand]: 435/438 looper letters, 25 selfloop transitions, 2 changer transitions 0/367 dead transitions. [2024-11-28 03:01:23,226 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 371 places, 367 transitions, 935 flow [2024-11-28 03:01:23,226 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 03:01:23,226 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-28 03:01:23,227 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1213 transitions. [2024-11-28 03:01:23,228 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9231354642313546 [2024-11-28 03:01:23,228 INFO L175 Difference]: Start difference. First operand has 370 places, 367 transitions, 880 flow. Second operand 3 states and 1213 transitions. [2024-11-28 03:01:23,228 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 371 places, 367 transitions, 935 flow [2024-11-28 03:01:23,233 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 369 places, 367 transitions, 931 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-28 03:01:23,237 INFO L231 Difference]: Finished difference. Result has 369 places, 366 transitions, 878 flow [2024-11-28 03:01:23,237 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=438, PETRI_DIFFERENCE_MINUEND_FLOW=874, PETRI_DIFFERENCE_MINUEND_PLACES=367, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=366, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=364, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=878, PETRI_PLACES=369, PETRI_TRANSITIONS=366} [2024-11-28 03:01:23,238 INFO L279 CegarLoopForPetriNet]: 403 programPoint places, -34 predicate places. [2024-11-28 03:01:23,238 INFO L471 AbstractCegarLoop]: Abstraction has has 369 places, 366 transitions, 878 flow [2024-11-28 03:01:23,238 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 398.6666666666667) internal successors, (1196), 3 states have internal predecessors, (1196), 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 03:01:23,238 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-28 03:01:23,239 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 03:01:23,239 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2024-11-28 03:01:23,239 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting thread2Err21ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 98 more)] === [2024-11-28 03:01:23,240 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:01:23,240 INFO L85 PathProgramCache]: Analyzing trace with hash -1050290594, now seen corresponding path program 1 times [2024-11-28 03:01:23,240 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 03:01:23,240 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [866720687] [2024-11-28 03:01:23,240 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:01:23,240 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:01:23,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:01:23,306 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 03:01:23,308 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 03:01:23,308 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [866720687] [2024-11-28 03:01:23,308 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [866720687] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 03:01:23,308 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 03:01:23,308 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-28 03:01:23,308 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1283658077] [2024-11-28 03:01:23,308 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 03:01:23,309 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 03:01:23,309 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 03:01:23,309 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 03:01:23,310 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 03:01:23,429 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 395 out of 438 [2024-11-28 03:01:23,431 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 369 places, 366 transitions, 878 flow. Second operand has 3 states, 3 states have (on average 399.6666666666667) internal successors, (1199), 3 states have internal predecessors, (1199), 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 03:01:23,431 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-28 03:01:23,431 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 395 of 438 [2024-11-28 03:01:23,431 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-28 03:01:23,733 INFO L124 PetriNetUnfolderBase]: 145/1812 cut-off events. [2024-11-28 03:01:23,733 INFO L125 PetriNetUnfolderBase]: For 187/188 co-relation queries the response was YES. [2024-11-28 03:01:23,747 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2367 conditions, 1812 events. 145/1812 cut-off events. For 187/188 co-relation queries the response was YES. Maximal size of possible extension queue 22. Compared 10370 event pairs, 68 based on Foata normal form. 0/1698 useless extension candidates. Maximal degree in co-relation 2315. Up to 244 conditions per place. [2024-11-28 03:01:23,748 INFO L140 encePairwiseOnDemand]: 435/438 looper letters, 0 selfloop transitions, 0 changer transitions 366/366 dead transitions. [2024-11-28 03:01:23,748 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 370 places, 366 transitions, 933 flow [2024-11-28 03:01:23,749 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 03:01:23,749 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-28 03:01:23,751 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1213 transitions. [2024-11-28 03:01:23,752 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9231354642313546 [2024-11-28 03:01:23,752 INFO L175 Difference]: Start difference. First operand has 369 places, 366 transitions, 878 flow. Second operand 3 states and 1213 transitions. [2024-11-28 03:01:23,752 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 370 places, 366 transitions, 933 flow [2024-11-28 03:01:23,756 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 368 places, 366 transitions, 929 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-28 03:01:23,758 INFO L231 Difference]: Finished difference. Result has 368 places, 0 transitions, 0 flow [2024-11-28 03:01:23,758 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=438, PETRI_DIFFERENCE_MINUEND_FLOW=872, PETRI_DIFFERENCE_MINUEND_PLACES=366, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=365, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=365, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=0, PETRI_PLACES=368, PETRI_TRANSITIONS=0} [2024-11-28 03:01:23,759 INFO L279 CegarLoopForPetriNet]: 403 programPoint places, -35 predicate places. [2024-11-28 03:01:23,759 INFO L471 AbstractCegarLoop]: Abstraction has has 368 places, 0 transitions, 0 flow [2024-11-28 03:01:23,759 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 399.6666666666667) internal successors, (1199), 3 states have internal predecessors, (1199), 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 03:01:23,763 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (101 of 102 remaining) [2024-11-28 03:01:23,764 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE (100 of 102 remaining) [2024-11-28 03:01:23,764 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err2ASSERT_VIOLATIONDATA_RACE (99 of 102 remaining) [2024-11-28 03:01:23,765 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err3ASSERT_VIOLATIONDATA_RACE (98 of 102 remaining) [2024-11-28 03:01:23,765 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err4ASSERT_VIOLATIONDATA_RACE (97 of 102 remaining) [2024-11-28 03:01:23,765 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err5ASSERT_VIOLATIONDATA_RACE (96 of 102 remaining) [2024-11-28 03:01:23,765 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err6ASSERT_VIOLATIONDATA_RACE (95 of 102 remaining) [2024-11-28 03:01:23,765 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err7ASSERT_VIOLATIONDATA_RACE (94 of 102 remaining) [2024-11-28 03:01:23,765 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (93 of 102 remaining) [2024-11-28 03:01:23,765 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err22ASSERT_VIOLATIONDATA_RACE (92 of 102 remaining) [2024-11-28 03:01:23,765 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (91 of 102 remaining) [2024-11-28 03:01:23,767 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err23ASSERT_VIOLATIONDATA_RACE (90 of 102 remaining) [2024-11-28 03:01:23,767 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err30ASSERT_VIOLATIONDATA_RACE (89 of 102 remaining) [2024-11-28 03:01:23,767 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err31ASSERT_VIOLATIONDATA_RACE (88 of 102 remaining) [2024-11-28 03:01:23,767 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err2ASSERT_VIOLATIONDATA_RACE (87 of 102 remaining) [2024-11-28 03:01:23,767 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err24ASSERT_VIOLATIONDATA_RACE (86 of 102 remaining) [2024-11-28 03:01:23,767 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err3ASSERT_VIOLATIONDATA_RACE (85 of 102 remaining) [2024-11-28 03:01:23,767 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err25ASSERT_VIOLATIONDATA_RACE (84 of 102 remaining) [2024-11-28 03:01:23,768 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err32ASSERT_VIOLATIONDATA_RACE (83 of 102 remaining) [2024-11-28 03:01:23,768 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err33ASSERT_VIOLATIONDATA_RACE (82 of 102 remaining) [2024-11-28 03:01:23,768 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err4ASSERT_VIOLATIONDATA_RACE (81 of 102 remaining) [2024-11-28 03:01:23,768 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err26ASSERT_VIOLATIONDATA_RACE (80 of 102 remaining) [2024-11-28 03:01:23,768 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err5ASSERT_VIOLATIONDATA_RACE (79 of 102 remaining) [2024-11-28 03:01:23,768 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err27ASSERT_VIOLATIONDATA_RACE (78 of 102 remaining) [2024-11-28 03:01:23,768 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err34ASSERT_VIOLATIONDATA_RACE (77 of 102 remaining) [2024-11-28 03:01:23,768 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err35ASSERT_VIOLATIONDATA_RACE (76 of 102 remaining) [2024-11-28 03:01:23,769 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err6ASSERT_VIOLATIONDATA_RACE (75 of 102 remaining) [2024-11-28 03:01:23,769 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err28ASSERT_VIOLATIONDATA_RACE (74 of 102 remaining) [2024-11-28 03:01:23,769 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err36ASSERT_VIOLATIONDATA_RACE (73 of 102 remaining) [2024-11-28 03:01:23,769 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err7ASSERT_VIOLATIONDATA_RACE (72 of 102 remaining) [2024-11-28 03:01:23,769 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err29ASSERT_VIOLATIONDATA_RACE (71 of 102 remaining) [2024-11-28 03:01:23,769 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err37ASSERT_VIOLATIONDATA_RACE (70 of 102 remaining) [2024-11-28 03:01:23,769 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err8ASSERT_VIOLATIONDATA_RACE (69 of 102 remaining) [2024-11-28 03:01:23,769 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err9ASSERT_VIOLATIONDATA_RACE (68 of 102 remaining) [2024-11-28 03:01:23,769 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err10ASSERT_VIOLATIONDATA_RACE (67 of 102 remaining) [2024-11-28 03:01:23,769 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err11ASSERT_VIOLATIONDATA_RACE (66 of 102 remaining) [2024-11-28 03:01:23,769 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err12ASSERT_VIOLATIONDATA_RACE (65 of 102 remaining) [2024-11-28 03:01:23,770 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err13ASSERT_VIOLATIONDATA_RACE (64 of 102 remaining) [2024-11-28 03:01:23,770 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err14ASSERT_VIOLATIONDATA_RACE (63 of 102 remaining) [2024-11-28 03:01:23,770 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err15ASSERT_VIOLATIONDATA_RACE (62 of 102 remaining) [2024-11-28 03:01:23,770 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err16ASSERT_VIOLATIONDATA_RACE (61 of 102 remaining) [2024-11-28 03:01:23,771 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err17ASSERT_VIOLATIONDATA_RACE (60 of 102 remaining) [2024-11-28 03:01:23,771 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err18ASSERT_VIOLATIONDATA_RACE (59 of 102 remaining) [2024-11-28 03:01:23,771 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err19ASSERT_VIOLATIONDATA_RACE (58 of 102 remaining) [2024-11-28 03:01:23,771 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err20ASSERT_VIOLATIONDATA_RACE (57 of 102 remaining) [2024-11-28 03:01:23,771 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err21ASSERT_VIOLATIONDATA_RACE (56 of 102 remaining) [2024-11-28 03:01:23,771 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (55 of 102 remaining) [2024-11-28 03:01:23,771 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (54 of 102 remaining) [2024-11-28 03:01:23,771 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (53 of 102 remaining) [2024-11-28 03:01:23,771 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (52 of 102 remaining) [2024-11-28 03:01:23,771 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE (51 of 102 remaining) [2024-11-28 03:01:23,772 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE (50 of 102 remaining) [2024-11-28 03:01:23,772 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE (49 of 102 remaining) [2024-11-28 03:01:23,772 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE (48 of 102 remaining) [2024-11-28 03:01:23,772 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (47 of 102 remaining) [2024-11-28 03:01:23,772 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (46 of 102 remaining) [2024-11-28 03:01:23,772 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (45 of 102 remaining) [2024-11-28 03:01:23,772 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE (44 of 102 remaining) [2024-11-28 03:01:23,772 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err2ASSERT_VIOLATIONDATA_RACE (43 of 102 remaining) [2024-11-28 03:01:23,772 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err3ASSERT_VIOLATIONDATA_RACE (42 of 102 remaining) [2024-11-28 03:01:23,772 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err4ASSERT_VIOLATIONDATA_RACE (41 of 102 remaining) [2024-11-28 03:01:23,772 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err5ASSERT_VIOLATIONDATA_RACE (40 of 102 remaining) [2024-11-28 03:01:23,772 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err6ASSERT_VIOLATIONDATA_RACE (39 of 102 remaining) [2024-11-28 03:01:23,772 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err7ASSERT_VIOLATIONDATA_RACE (38 of 102 remaining) [2024-11-28 03:01:23,772 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (37 of 102 remaining) [2024-11-28 03:01:23,772 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err22ASSERT_VIOLATIONDATA_RACE (36 of 102 remaining) [2024-11-28 03:01:23,773 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (35 of 102 remaining) [2024-11-28 03:01:23,773 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err23ASSERT_VIOLATIONDATA_RACE (34 of 102 remaining) [2024-11-28 03:01:23,773 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err30ASSERT_VIOLATIONDATA_RACE (33 of 102 remaining) [2024-11-28 03:01:23,773 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err31ASSERT_VIOLATIONDATA_RACE (32 of 102 remaining) [2024-11-28 03:01:23,773 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err2ASSERT_VIOLATIONDATA_RACE (31 of 102 remaining) [2024-11-28 03:01:23,773 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err24ASSERT_VIOLATIONDATA_RACE (30 of 102 remaining) [2024-11-28 03:01:23,773 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err3ASSERT_VIOLATIONDATA_RACE (29 of 102 remaining) [2024-11-28 03:01:23,773 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err25ASSERT_VIOLATIONDATA_RACE (28 of 102 remaining) [2024-11-28 03:01:23,773 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err32ASSERT_VIOLATIONDATA_RACE (27 of 102 remaining) [2024-11-28 03:01:23,773 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err33ASSERT_VIOLATIONDATA_RACE (26 of 102 remaining) [2024-11-28 03:01:23,773 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err4ASSERT_VIOLATIONDATA_RACE (25 of 102 remaining) [2024-11-28 03:01:23,773 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err26ASSERT_VIOLATIONDATA_RACE (24 of 102 remaining) [2024-11-28 03:01:23,773 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err5ASSERT_VIOLATIONDATA_RACE (23 of 102 remaining) [2024-11-28 03:01:23,774 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err27ASSERT_VIOLATIONDATA_RACE (22 of 102 remaining) [2024-11-28 03:01:23,774 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err34ASSERT_VIOLATIONDATA_RACE (21 of 102 remaining) [2024-11-28 03:01:23,774 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err35ASSERT_VIOLATIONDATA_RACE (20 of 102 remaining) [2024-11-28 03:01:23,774 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err6ASSERT_VIOLATIONDATA_RACE (19 of 102 remaining) [2024-11-28 03:01:23,774 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err28ASSERT_VIOLATIONDATA_RACE (18 of 102 remaining) [2024-11-28 03:01:23,774 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err36ASSERT_VIOLATIONDATA_RACE (17 of 102 remaining) [2024-11-28 03:01:23,775 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err7ASSERT_VIOLATIONDATA_RACE (16 of 102 remaining) [2024-11-28 03:01:23,775 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err29ASSERT_VIOLATIONDATA_RACE (15 of 102 remaining) [2024-11-28 03:01:23,775 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err37ASSERT_VIOLATIONDATA_RACE (14 of 102 remaining) [2024-11-28 03:01:23,775 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err8ASSERT_VIOLATIONDATA_RACE (13 of 102 remaining) [2024-11-28 03:01:23,775 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err9ASSERT_VIOLATIONDATA_RACE (12 of 102 remaining) [2024-11-28 03:01:23,775 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err10ASSERT_VIOLATIONDATA_RACE (11 of 102 remaining) [2024-11-28 03:01:23,775 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err11ASSERT_VIOLATIONDATA_RACE (10 of 102 remaining) [2024-11-28 03:01:23,775 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err12ASSERT_VIOLATIONDATA_RACE (9 of 102 remaining) [2024-11-28 03:01:23,776 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err13ASSERT_VIOLATIONDATA_RACE (8 of 102 remaining) [2024-11-28 03:01:23,776 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err14ASSERT_VIOLATIONDATA_RACE (7 of 102 remaining) [2024-11-28 03:01:23,776 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err15ASSERT_VIOLATIONDATA_RACE (6 of 102 remaining) [2024-11-28 03:01:23,776 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err16ASSERT_VIOLATIONDATA_RACE (5 of 102 remaining) [2024-11-28 03:01:23,776 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err17ASSERT_VIOLATIONDATA_RACE (4 of 102 remaining) [2024-11-28 03:01:23,776 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err18ASSERT_VIOLATIONDATA_RACE (3 of 102 remaining) [2024-11-28 03:01:23,776 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err19ASSERT_VIOLATIONDATA_RACE (2 of 102 remaining) [2024-11-28 03:01:23,776 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err20ASSERT_VIOLATIONDATA_RACE (1 of 102 remaining) [2024-11-28 03:01:23,776 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err21ASSERT_VIOLATIONDATA_RACE (0 of 102 remaining) [2024-11-28 03:01:23,777 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2024-11-28 03:01:23,777 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 03:01:23,784 INFO L241 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-11-28 03:01:23,784 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-28 03:01:23,794 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.11 03:01:23 BasicIcfg [2024-11-28 03:01:23,796 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-28 03:01:23,797 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-28 03:01:23,797 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-28 03:01:23,797 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-28 03:01:23,798 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 03:01:09" (3/4) ... [2024-11-28 03:01:23,800 INFO L146 WitnessPrinter]: Generating witness for correct program [2024-11-28 03:01:23,804 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread1 [2024-11-28 03:01:23,804 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread2 [2024-11-28 03:01:23,811 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 17 nodes and edges [2024-11-28 03:01:23,811 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2024-11-28 03:01:23,811 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2024-11-28 03:01:23,811 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-11-28 03:01:23,909 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c65b6caa-f8ba-428a-a437-fe80d142e347/bin/uautomizer-verify-aQ6SnzHsRB/witness.graphml [2024-11-28 03:01:23,910 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c65b6caa-f8ba-428a-a437-fe80d142e347/bin/uautomizer-verify-aQ6SnzHsRB/witness.yml [2024-11-28 03:01:23,910 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-28 03:01:23,911 INFO L158 Benchmark]: Toolchain (without parser) took 15532.07ms. Allocated memory was 117.4MB in the beginning and 310.4MB in the end (delta: 192.9MB). Free memory was 90.5MB in the beginning and 113.2MB in the end (delta: -22.6MB). Peak memory consumption was 168.7MB. Max. memory is 16.1GB. [2024-11-28 03:01:23,912 INFO L158 Benchmark]: CDTParser took 0.64ms. Allocated memory is still 83.9MB. Free memory is still 39.8MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-28 03:01:23,912 INFO L158 Benchmark]: CACSL2BoogieTranslator took 423.52ms. Allocated memory is still 117.4MB. Free memory was 90.5MB in the beginning and 77.5MB in the end (delta: 13.1MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-28 03:01:23,913 INFO L158 Benchmark]: Boogie Procedure Inliner took 77.55ms. Allocated memory is still 117.4MB. Free memory was 77.5MB in the beginning and 74.7MB in the end (delta: 2.8MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-28 03:01:23,913 INFO L158 Benchmark]: Boogie Preprocessor took 69.54ms. Allocated memory is still 117.4MB. Free memory was 74.7MB in the beginning and 72.4MB in the end (delta: 2.3MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-28 03:01:23,914 INFO L158 Benchmark]: RCFGBuilder took 885.90ms. Allocated memory is still 117.4MB. Free memory was 72.4MB in the beginning and 41.7MB in the end (delta: 30.7MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. [2024-11-28 03:01:23,914 INFO L158 Benchmark]: TraceAbstraction took 13951.72ms. Allocated memory was 117.4MB in the beginning and 310.4MB in the end (delta: 192.9MB). Free memory was 40.8MB in the beginning and 119.9MB in the end (delta: -79.1MB). Peak memory consumption was 110.0MB. Max. memory is 16.1GB. [2024-11-28 03:01:23,916 INFO L158 Benchmark]: Witness Printer took 113.52ms. Allocated memory is still 310.4MB. Free memory was 119.9MB in the beginning and 113.2MB in the end (delta: 6.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-28 03:01:23,917 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.64ms. Allocated memory is still 83.9MB. Free memory is still 39.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 423.52ms. Allocated memory is still 117.4MB. Free memory was 90.5MB in the beginning and 77.5MB in the end (delta: 13.1MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 77.55ms. Allocated memory is still 117.4MB. Free memory was 77.5MB in the beginning and 74.7MB in the end (delta: 2.8MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 69.54ms. Allocated memory is still 117.4MB. Free memory was 74.7MB in the beginning and 72.4MB in the end (delta: 2.3MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 885.90ms. Allocated memory is still 117.4MB. Free memory was 72.4MB in the beginning and 41.7MB in the end (delta: 30.7MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. * TraceAbstraction took 13951.72ms. Allocated memory was 117.4MB in the beginning and 310.4MB in the end (delta: 192.9MB). Free memory was 40.8MB in the beginning and 119.9MB in the end (delta: -79.1MB). Peak memory consumption was 110.0MB. Max. memory is 16.1GB. * Witness Printer took 113.52ms. Allocated memory is still 310.4MB. Free memory was 119.9MB in the beginning and 113.2MB in the end (delta: 6.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 49]: 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: 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: 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: 59]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 70]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 60]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 71]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 75]: 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 - PositiveResult [Line: 60]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 71]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 60]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 71]: 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 - PositiveResult [Line: 76]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 61]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 72]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 61]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 72]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 77]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 77]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 61]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 72]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 77]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 61]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 72]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 77]: 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: 63]: 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: 64]: 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: 64]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 66]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 66]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 66]: 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: 67]: 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: 67]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 87]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 88]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 89]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 90]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 90]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 110]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 98]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 98]: 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 5 procedures, 701 locations, 102 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: 13.6s, OverallIterations: 20, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 9.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.3s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 2045 SdHoareTripleChecker+Valid, 3.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 841 mSDsluCounter, 317 SdHoareTripleChecker+Invalid, 2.5s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 69 mSDsCounter, 325 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 2138 IncrementalHoareTripleChecker+Invalid, 2463 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 325 mSolverCounterUnsat, 248 mSDtfsCounter, 2138 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 61 GetRequests, 26 SyntacticMatches, 0 SemanticMatches, 35 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=938occurred in iteration=15, InterpolantAutomatonStates: 75, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 3.0s InterpolantComputationTime, 1897 NumberOfCodeBlocks, 1897 NumberOfCodeBlocksAsserted, 20 NumberOfCheckSat, 1877 ConstructedInterpolants, 0 QuantifiedInterpolants, 2732 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 20 InterpolantComputations, 20 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 54 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2024-11-28 03:01:23,945 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c65b6caa-f8ba-428a-a437-fe80d142e347/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE