./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-data-race.prp --file ../../sv-benchmarks/c/weaver/chl-simpl-str-trans.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_f3aaf785-288f-4a78-938f-578a0e73ca14/bin/uautomizer-verify-aQ6SnzHsRB/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3aaf785-288f-4a78-938f-578a0e73ca14/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_f3aaf785-288f-4a78-938f-578a0e73ca14/bin/uautomizer-verify-aQ6SnzHsRB/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3aaf785-288f-4a78-938f-578a0e73ca14/bin/uautomizer-verify-aQ6SnzHsRB/config/AutomizerReach.xml -i ../../sv-benchmarks/c/weaver/chl-simpl-str-trans.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3aaf785-288f-4a78-938f-578a0e73ca14/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_f3aaf785-288f-4a78-938f-578a0e73ca14/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 f7b74cf7a2419cab3ab4545eb4bb4cb738b0dd565da7b17a0ca0e4253475f1b6 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-28 02:43:05,539 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-28 02:43:05,613 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3aaf785-288f-4a78-938f-578a0e73ca14/bin/uautomizer-verify-aQ6SnzHsRB/config/svcomp-DataRace-32bit-Automizer_Default.epf [2024-11-28 02:43:05,617 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-28 02:43:05,618 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-28 02:43:05,655 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-28 02:43:05,658 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-28 02:43:05,658 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-28 02:43:05,659 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-28 02:43:05,659 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-28 02:43:05,660 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-28 02:43:05,660 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-28 02:43:05,660 INFO L153 SettingsManager]: * Use SBE=true [2024-11-28 02:43:05,660 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-28 02:43:05,660 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-28 02:43:05,660 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-28 02:43:05,660 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-28 02:43:05,661 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-28 02:43:05,661 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-28 02:43:05,661 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-28 02:43:05,661 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-28 02:43:05,661 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-28 02:43:05,661 INFO L153 SettingsManager]: * Check absence of data races in concurrent programs=true [2024-11-28 02:43:05,661 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-28 02:43:05,661 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-28 02:43:05,661 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-28 02:43:05,661 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-28 02:43:05,661 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-28 02:43:05,661 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-28 02:43:05,661 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-28 02:43:05,662 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-28 02:43:05,662 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 02:43:05,663 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-28 02:43:05,663 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-28 02:43:05,663 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-28 02:43:05,663 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 02:43:05,663 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-28 02:43:05,663 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-28 02:43:05,663 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-11-28 02:43:05,663 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-28 02:43:05,663 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-28 02:43:05,663 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-28 02:43:05,664 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-28 02:43:05,664 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-28 02:43:05,664 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-28 02:43:05,664 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-28 02:43:05,664 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_f3aaf785-288f-4a78-938f-578a0e73ca14/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 -> f7b74cf7a2419cab3ab4545eb4bb4cb738b0dd565da7b17a0ca0e4253475f1b6 [2024-11-28 02:43:05,942 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-28 02:43:05,950 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-28 02:43:05,952 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-28 02:43:05,953 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-28 02:43:05,953 INFO L274 PluginConnector]: CDTParser initialized [2024-11-28 02:43:05,954 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3aaf785-288f-4a78-938f-578a0e73ca14/bin/uautomizer-verify-aQ6SnzHsRB/../../sv-benchmarks/c/weaver/chl-simpl-str-trans.wvr.c [2024-11-28 02:43:08,918 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3aaf785-288f-4a78-938f-578a0e73ca14/bin/uautomizer-verify-aQ6SnzHsRB/data/824c9793e/f65600cab0c34580b7828ec590759c57/FLAG61209d898 [2024-11-28 02:43:09,186 INFO L384 CDTParser]: Found 1 translation units. [2024-11-28 02:43:09,188 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3aaf785-288f-4a78-938f-578a0e73ca14/sv-benchmarks/c/weaver/chl-simpl-str-trans.wvr.c [2024-11-28 02:43:09,196 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3aaf785-288f-4a78-938f-578a0e73ca14/bin/uautomizer-verify-aQ6SnzHsRB/data/824c9793e/f65600cab0c34580b7828ec590759c57/FLAG61209d898 [2024-11-28 02:43:09,489 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3aaf785-288f-4a78-938f-578a0e73ca14/bin/uautomizer-verify-aQ6SnzHsRB/data/824c9793e/f65600cab0c34580b7828ec590759c57 [2024-11-28 02:43:09,492 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-28 02:43:09,493 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-28 02:43:09,495 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-28 02:43:09,495 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-28 02:43:09,499 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-28 02:43:09,500 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 02:43:09" (1/1) ... [2024-11-28 02:43:09,501 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@126d48f6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:43:09, skipping insertion in model container [2024-11-28 02:43:09,501 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 02:43:09" (1/1) ... [2024-11-28 02:43:09,516 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-28 02:43:09,746 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-28 02:43:09,764 INFO L200 MainTranslator]: Completed pre-run [2024-11-28 02:43:09,803 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-28 02:43:09,822 INFO L204 MainTranslator]: Completed translation [2024-11-28 02:43:09,823 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:43:09 WrapperNode [2024-11-28 02:43:09,823 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-28 02:43:09,826 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-28 02:43:09,826 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-28 02:43:09,826 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-28 02:43:09,833 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:43:09" (1/1) ... [2024-11-28 02:43:09,840 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:43:09" (1/1) ... [2024-11-28 02:43:09,872 INFO L138 Inliner]: procedures = 22, calls = 16, calls flagged for inlining = 9, calls inlined = 13, statements flattened = 235 [2024-11-28 02:43:09,876 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-28 02:43:09,876 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-28 02:43:09,877 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-28 02:43:09,877 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-28 02:43:09,887 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:43:09" (1/1) ... [2024-11-28 02:43:09,887 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:43:09" (1/1) ... [2024-11-28 02:43:09,894 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:43:09" (1/1) ... [2024-11-28 02:43:09,894 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:43:09" (1/1) ... [2024-11-28 02:43:09,903 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:43:09" (1/1) ... [2024-11-28 02:43:09,909 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:43:09" (1/1) ... [2024-11-28 02:43:09,911 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:43:09" (1/1) ... [2024-11-28 02:43:09,912 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:43:09" (1/1) ... [2024-11-28 02:43:09,917 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:43:09" (1/1) ... [2024-11-28 02:43:09,919 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-28 02:43:09,923 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-28 02:43:09,924 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-28 02:43:09,924 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-28 02:43:09,925 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:43:09" (1/1) ... [2024-11-28 02:43:09,930 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 02:43:09,942 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3aaf785-288f-4a78-938f-578a0e73ca14/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 02:43:09,957 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3aaf785-288f-4a78-938f-578a0e73ca14/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-28 02:43:09,962 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3aaf785-288f-4a78-938f-578a0e73ca14/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-28 02:43:09,993 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-28 02:43:09,994 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2024-11-28 02:43:09,994 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2024-11-28 02:43:09,994 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2024-11-28 02:43:09,994 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2024-11-28 02:43:09,995 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2024-11-28 02:43:09,995 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2024-11-28 02:43:09,995 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-28 02:43:09,995 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-28 02:43:09,995 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-28 02:43:09,998 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 02:43:10,123 INFO L234 CfgBuilder]: Building ICFG [2024-11-28 02:43:10,125 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-28 02:43:10,526 INFO L279 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-11-28 02:43:10,526 INFO L283 CfgBuilder]: Performing block encoding [2024-11-28 02:43:10,545 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-28 02:43:10,545 INFO L312 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-28 02:43:10,545 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 02:43:10 BoogieIcfgContainer [2024-11-28 02:43:10,548 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-28 02:43:10,551 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-28 02:43:10,551 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-28 02:43:10,558 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-28 02:43:10,558 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.11 02:43:09" (1/3) ... [2024-11-28 02:43:10,559 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7fdcccef and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 02:43:10, skipping insertion in model container [2024-11-28 02:43:10,560 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:43:09" (2/3) ... [2024-11-28 02:43:10,561 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7fdcccef and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 02:43:10, skipping insertion in model container [2024-11-28 02:43:10,561 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 02:43:10" (3/3) ... [2024-11-28 02:43:10,564 INFO L128 eAbstractionObserver]: Analyzing ICFG chl-simpl-str-trans.wvr.c [2024-11-28 02:43:10,577 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-28 02:43:10,579 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG chl-simpl-str-trans.wvr.c that has 4 procedures, 302 locations, 1 initial locations, 0 loop locations, and 27 error locations. [2024-11-28 02:43:10,579 INFO L491 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-11-28 02:43:10,734 INFO L143 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2024-11-28 02:43:10,794 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 311 places, 316 transitions, 653 flow [2024-11-28 02:43:10,936 INFO L124 PetriNetUnfolderBase]: 15/313 cut-off events. [2024-11-28 02:43:10,942 INFO L125 PetriNetUnfolderBase]: For 3/3 co-relation queries the response was YES. [2024-11-28 02:43:10,956 INFO L83 FinitePrefix]: Finished finitePrefix Result has 326 conditions, 313 events. 15/313 cut-off events. For 3/3 co-relation queries the response was YES. Maximal size of possible extension queue 8. Compared 739 event pairs, 0 based on Foata normal form. 0/271 useless extension candidates. Maximal degree in co-relation 215. Up to 2 conditions per place. [2024-11-28 02:43:10,956 INFO L82 GeneralOperation]: Start removeDead. Operand has 311 places, 316 transitions, 653 flow [2024-11-28 02:43:10,968 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 289 places, 292 transitions, 602 flow [2024-11-28 02:43:10,983 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-28 02:43:10,998 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;@376ecedb, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-28 02:43:10,999 INFO L334 AbstractCegarLoop]: Starting to check reachability of 48 error locations. [2024-11-28 02:43:11,008 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-11-28 02:43:11,008 INFO L124 PetriNetUnfolderBase]: 0/25 cut-off events. [2024-11-28 02:43:11,008 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-28 02:43:11,008 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-28 02:43:11,011 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] [2024-11-28 02:43:11,012 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 44 more)] === [2024-11-28 02:43:11,017 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:43:11,018 INFO L85 PathProgramCache]: Analyzing trace with hash -67802981, now seen corresponding path program 1 times [2024-11-28 02:43:11,026 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 02:43:11,027 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1730922312] [2024-11-28 02:43:11,030 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:43:11,031 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 02:43:11,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:43:11,228 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 02:43:11,228 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 02:43:11,229 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1730922312] [2024-11-28 02:43:11,231 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1730922312] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 02:43:11,231 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 02:43:11,232 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-28 02:43:11,233 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1874785838] [2024-11-28 02:43:11,234 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 02:43:11,240 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 02:43:11,245 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 02:43:11,269 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 02:43:11,269 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 02:43:11,314 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 293 out of 316 [2024-11-28 02:43:11,322 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 289 places, 292 transitions, 602 flow. Second operand has 3 states, 3 states have (on average 294.3333333333333) internal successors, (883), 3 states have internal predecessors, (883), 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 02:43:11,323 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-28 02:43:11,323 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 293 of 316 [2024-11-28 02:43:11,325 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-28 02:43:11,544 INFO L124 PetriNetUnfolderBase]: 18/466 cut-off events. [2024-11-28 02:43:11,544 INFO L125 PetriNetUnfolderBase]: For 14/14 co-relation queries the response was YES. [2024-11-28 02:43:11,555 INFO L83 FinitePrefix]: Finished finitePrefix Result has 509 conditions, 466 events. 18/466 cut-off events. For 14/14 co-relation queries the response was YES. Maximal size of possible extension queue 18. Compared 2026 event pairs, 5 based on Foata normal form. 18/414 useless extension candidates. Maximal degree in co-relation 386. Up to 22 conditions per place. [2024-11-28 02:43:11,559 INFO L140 encePairwiseOnDemand]: 307/316 looper letters, 11 selfloop transitions, 2 changer transitions 0/285 dead transitions. [2024-11-28 02:43:11,559 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 290 places, 285 transitions, 614 flow [2024-11-28 02:43:11,561 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 02:43:11,564 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-28 02:43:11,578 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 899 transitions. [2024-11-28 02:43:11,619 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9483122362869199 [2024-11-28 02:43:11,621 INFO L175 Difference]: Start difference. First operand has 289 places, 292 transitions, 602 flow. Second operand 3 states and 899 transitions. [2024-11-28 02:43:11,622 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 290 places, 285 transitions, 614 flow [2024-11-28 02:43:11,631 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 284 places, 285 transitions, 602 flow, removed 0 selfloop flow, removed 6 redundant places. [2024-11-28 02:43:11,640 INFO L231 Difference]: Finished difference. Result has 284 places, 285 transitions, 580 flow [2024-11-28 02:43:11,643 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=316, PETRI_DIFFERENCE_MINUEND_FLOW=576, PETRI_DIFFERENCE_MINUEND_PLACES=282, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=285, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=283, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=580, PETRI_PLACES=284, PETRI_TRANSITIONS=285} [2024-11-28 02:43:11,648 INFO L279 CegarLoopForPetriNet]: 289 programPoint places, -5 predicate places. [2024-11-28 02:43:11,651 INFO L471 AbstractCegarLoop]: Abstraction has has 284 places, 285 transitions, 580 flow [2024-11-28 02:43:11,652 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 294.3333333333333) internal successors, (883), 3 states have internal predecessors, (883), 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 02:43:11,652 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-28 02:43:11,652 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] [2024-11-28 02:43:11,652 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-28 02:43:11,653 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 44 more)] === [2024-11-28 02:43:11,653 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:43:11,654 INFO L85 PathProgramCache]: Analyzing trace with hash -1671178864, now seen corresponding path program 1 times [2024-11-28 02:43:11,654 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 02:43:11,655 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1085096554] [2024-11-28 02:43:11,655 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:43:11,655 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 02:43:11,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:43:11,750 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 02:43:11,750 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 02:43:11,750 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1085096554] [2024-11-28 02:43:11,751 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1085096554] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 02:43:11,751 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 02:43:11,751 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-28 02:43:11,751 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1240728508] [2024-11-28 02:43:11,751 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 02:43:11,752 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 02:43:11,754 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 02:43:11,754 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 02:43:11,755 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 02:43:11,793 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 293 out of 316 [2024-11-28 02:43:11,794 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 284 places, 285 transitions, 580 flow. Second operand has 3 states, 3 states have (on average 294.3333333333333) internal successors, (883), 3 states have internal predecessors, (883), 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 02:43:11,795 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-28 02:43:11,795 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 293 of 316 [2024-11-28 02:43:11,795 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-28 02:43:11,913 INFO L124 PetriNetUnfolderBase]: 16/418 cut-off events. [2024-11-28 02:43:11,913 INFO L125 PetriNetUnfolderBase]: For 2/4 co-relation queries the response was YES. [2024-11-28 02:43:11,918 INFO L83 FinitePrefix]: Finished finitePrefix Result has 451 conditions, 418 events. 16/418 cut-off events. For 2/4 co-relation queries the response was YES. Maximal size of possible extension queue 16. Compared 1709 event pairs, 5 based on Foata normal form. 0/360 useless extension candidates. Maximal degree in co-relation 417. Up to 22 conditions per place. [2024-11-28 02:43:11,921 INFO L140 encePairwiseOnDemand]: 313/316 looper letters, 11 selfloop transitions, 2 changer transitions 0/284 dead transitions. [2024-11-28 02:43:11,921 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 285 places, 284 transitions, 604 flow [2024-11-28 02:43:11,921 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 02:43:11,921 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-28 02:43:11,924 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 893 transitions. [2024-11-28 02:43:11,925 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9419831223628692 [2024-11-28 02:43:11,925 INFO L175 Difference]: Start difference. First operand has 284 places, 285 transitions, 580 flow. Second operand 3 states and 893 transitions. [2024-11-28 02:43:11,925 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 285 places, 284 transitions, 604 flow [2024-11-28 02:43:11,929 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 283 places, 284 transitions, 600 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-28 02:43:11,937 INFO L231 Difference]: Finished difference. Result has 283 places, 284 transitions, 578 flow [2024-11-28 02:43:11,939 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=316, PETRI_DIFFERENCE_MINUEND_FLOW=574, PETRI_DIFFERENCE_MINUEND_PLACES=281, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=284, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=282, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=578, PETRI_PLACES=283, PETRI_TRANSITIONS=284} [2024-11-28 02:43:11,941 INFO L279 CegarLoopForPetriNet]: 289 programPoint places, -6 predicate places. [2024-11-28 02:43:11,941 INFO L471 AbstractCegarLoop]: Abstraction has has 283 places, 284 transitions, 578 flow [2024-11-28 02:43:11,942 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 294.3333333333333) internal successors, (883), 3 states have internal predecessors, (883), 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 02:43:11,942 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-28 02:43:11,942 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] [2024-11-28 02:43:11,942 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-28 02:43:11,943 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 44 more)] === [2024-11-28 02:43:11,944 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:43:11,944 INFO L85 PathProgramCache]: Analyzing trace with hash 208543711, now seen corresponding path program 1 times [2024-11-28 02:43:11,945 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 02:43:11,945 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [707839772] [2024-11-28 02:43:11,945 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:43:11,945 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 02:43:11,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:43:12,012 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 02:43:12,012 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 02:43:12,012 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [707839772] [2024-11-28 02:43:12,012 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [707839772] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 02:43:12,012 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 02:43:12,012 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-28 02:43:12,013 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [895324339] [2024-11-28 02:43:12,013 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 02:43:12,013 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 02:43:12,013 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 02:43:12,014 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 02:43:12,014 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 02:43:12,050 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 292 out of 316 [2024-11-28 02:43:12,051 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 283 places, 284 transitions, 578 flow. Second operand has 3 states, 3 states have (on average 293.3333333333333) internal successors, (880), 3 states have internal predecessors, (880), 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 02:43:12,051 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-28 02:43:12,052 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 292 of 316 [2024-11-28 02:43:12,052 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-28 02:43:12,209 INFO L124 PetriNetUnfolderBase]: 33/686 cut-off events. [2024-11-28 02:43:12,210 INFO L125 PetriNetUnfolderBase]: For 3/3 co-relation queries the response was YES. [2024-11-28 02:43:12,217 INFO L83 FinitePrefix]: Finished finitePrefix Result has 737 conditions, 686 events. 33/686 cut-off events. For 3/3 co-relation queries the response was YES. Maximal size of possible extension queue 27. Compared 3699 event pairs, 12 based on Foata normal form. 0/582 useless extension candidates. Maximal degree in co-relation 695. Up to 35 conditions per place. [2024-11-28 02:43:12,221 INFO L140 encePairwiseOnDemand]: 313/316 looper letters, 12 selfloop transitions, 2 changer transitions 0/283 dead transitions. [2024-11-28 02:43:12,221 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 284 places, 283 transitions, 604 flow [2024-11-28 02:43:12,222 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 02:43:12,222 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-28 02:43:12,225 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 891 transitions. [2024-11-28 02:43:12,226 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.939873417721519 [2024-11-28 02:43:12,226 INFO L175 Difference]: Start difference. First operand has 283 places, 284 transitions, 578 flow. Second operand 3 states and 891 transitions. [2024-11-28 02:43:12,226 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 284 places, 283 transitions, 604 flow [2024-11-28 02:43:12,231 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 282 places, 283 transitions, 600 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-28 02:43:12,236 INFO L231 Difference]: Finished difference. Result has 282 places, 283 transitions, 576 flow [2024-11-28 02:43:12,237 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=316, PETRI_DIFFERENCE_MINUEND_FLOW=572, PETRI_DIFFERENCE_MINUEND_PLACES=280, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=283, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=281, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=576, PETRI_PLACES=282, PETRI_TRANSITIONS=283} [2024-11-28 02:43:12,238 INFO L279 CegarLoopForPetriNet]: 289 programPoint places, -7 predicate places. [2024-11-28 02:43:12,238 INFO L471 AbstractCegarLoop]: Abstraction has has 282 places, 283 transitions, 576 flow [2024-11-28 02:43:12,239 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 293.3333333333333) internal successors, (880), 3 states have internal predecessors, (880), 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 02:43:12,239 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-28 02:43:12,239 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] [2024-11-28 02:43:12,239 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-28 02:43:12,240 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 44 more)] === [2024-11-28 02:43:12,242 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:43:12,242 INFO L85 PathProgramCache]: Analyzing trace with hash -1053107671, now seen corresponding path program 1 times [2024-11-28 02:43:12,242 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 02:43:12,242 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [45529545] [2024-11-28 02:43:12,242 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:43:12,242 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 02:43:12,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:43:12,336 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 02:43:12,336 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 02:43:12,336 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [45529545] [2024-11-28 02:43:12,337 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [45529545] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 02:43:12,337 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 02:43:12,337 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-28 02:43:12,337 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [889163926] [2024-11-28 02:43:12,337 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 02:43:12,337 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 02:43:12,338 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 02:43:12,338 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 02:43:12,338 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 02:43:12,371 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 293 out of 316 [2024-11-28 02:43:12,372 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 282 places, 283 transitions, 576 flow. Second operand has 3 states, 3 states have (on average 294.3333333333333) internal successors, (883), 3 states have internal predecessors, (883), 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 02:43:12,372 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-28 02:43:12,372 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 293 of 316 [2024-11-28 02:43:12,372 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-28 02:43:12,526 INFO L124 PetriNetUnfolderBase]: 22/541 cut-off events. [2024-11-28 02:43:12,527 INFO L125 PetriNetUnfolderBase]: For 2/5 co-relation queries the response was YES. [2024-11-28 02:43:12,530 INFO L83 FinitePrefix]: Finished finitePrefix Result has 579 conditions, 541 events. 22/541 cut-off events. For 2/5 co-relation queries the response was YES. Maximal size of possible extension queue 19. Compared 2512 event pairs, 7 based on Foata normal form. 0/463 useless extension candidates. Maximal degree in co-relation 529. Up to 25 conditions per place. [2024-11-28 02:43:12,533 INFO L140 encePairwiseOnDemand]: 313/316 looper letters, 11 selfloop transitions, 2 changer transitions 0/282 dead transitions. [2024-11-28 02:43:12,533 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 283 places, 282 transitions, 600 flow [2024-11-28 02:43:12,533 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 02:43:12,533 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-28 02:43:12,535 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 893 transitions. [2024-11-28 02:43:12,536 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9419831223628692 [2024-11-28 02:43:12,536 INFO L175 Difference]: Start difference. First operand has 282 places, 283 transitions, 576 flow. Second operand 3 states and 893 transitions. [2024-11-28 02:43:12,536 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 283 places, 282 transitions, 600 flow [2024-11-28 02:43:12,538 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 281 places, 282 transitions, 596 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-28 02:43:12,541 INFO L231 Difference]: Finished difference. Result has 281 places, 282 transitions, 574 flow [2024-11-28 02:43:12,541 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=316, PETRI_DIFFERENCE_MINUEND_FLOW=570, PETRI_DIFFERENCE_MINUEND_PLACES=279, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=282, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=280, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=574, PETRI_PLACES=281, PETRI_TRANSITIONS=282} [2024-11-28 02:43:12,542 INFO L279 CegarLoopForPetriNet]: 289 programPoint places, -8 predicate places. [2024-11-28 02:43:12,542 INFO L471 AbstractCegarLoop]: Abstraction has has 281 places, 282 transitions, 574 flow [2024-11-28 02:43:12,543 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 294.3333333333333) internal successors, (883), 3 states have internal predecessors, (883), 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 02:43:12,543 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-28 02:43:12,543 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] [2024-11-28 02:43:12,543 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-28 02:43:12,543 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 44 more)] === [2024-11-28 02:43:12,544 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:43:12,544 INFO L85 PathProgramCache]: Analyzing trace with hash -1357901507, now seen corresponding path program 1 times [2024-11-28 02:43:12,544 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 02:43:12,544 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1038741509] [2024-11-28 02:43:12,544 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:43:12,544 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 02:43:12,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:43:12,613 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 02:43:12,613 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 02:43:12,613 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1038741509] [2024-11-28 02:43:12,614 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1038741509] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 02:43:12,614 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 02:43:12,614 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-28 02:43:12,614 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [924387780] [2024-11-28 02:43:12,614 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 02:43:12,614 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 02:43:12,614 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 02:43:12,615 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 02:43:12,615 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 02:43:12,662 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 291 out of 316 [2024-11-28 02:43:12,663 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 281 places, 282 transitions, 574 flow. Second operand has 3 states, 3 states have (on average 292.3333333333333) internal successors, (877), 3 states have internal predecessors, (877), 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 02:43:12,664 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-28 02:43:12,664 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 291 of 316 [2024-11-28 02:43:12,664 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-28 02:43:12,812 INFO L124 PetriNetUnfolderBase]: 43/725 cut-off events. [2024-11-28 02:43:12,812 INFO L125 PetriNetUnfolderBase]: For 13/17 co-relation queries the response was YES. [2024-11-28 02:43:12,819 INFO L83 FinitePrefix]: Finished finitePrefix Result has 786 conditions, 725 events. 43/725 cut-off events. For 13/17 co-relation queries the response was YES. Maximal size of possible extension queue 28. Compared 3764 event pairs, 20 based on Foata normal form. 0/621 useless extension candidates. Maximal degree in co-relation 728. Up to 50 conditions per place. [2024-11-28 02:43:12,824 INFO L140 encePairwiseOnDemand]: 313/316 looper letters, 13 selfloop transitions, 2 changer transitions 0/281 dead transitions. [2024-11-28 02:43:12,824 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 282 places, 281 transitions, 602 flow [2024-11-28 02:43:12,825 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 02:43:12,825 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-28 02:43:12,827 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 889 transitions. [2024-11-28 02:43:12,829 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9377637130801688 [2024-11-28 02:43:12,830 INFO L175 Difference]: Start difference. First operand has 281 places, 282 transitions, 574 flow. Second operand 3 states and 889 transitions. [2024-11-28 02:43:12,830 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 282 places, 281 transitions, 602 flow [2024-11-28 02:43:12,832 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 280 places, 281 transitions, 598 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-28 02:43:12,835 INFO L231 Difference]: Finished difference. Result has 280 places, 281 transitions, 572 flow [2024-11-28 02:43:12,836 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=316, PETRI_DIFFERENCE_MINUEND_FLOW=568, PETRI_DIFFERENCE_MINUEND_PLACES=278, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=281, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=279, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=572, PETRI_PLACES=280, PETRI_TRANSITIONS=281} [2024-11-28 02:43:12,836 INFO L279 CegarLoopForPetriNet]: 289 programPoint places, -9 predicate places. [2024-11-28 02:43:12,837 INFO L471 AbstractCegarLoop]: Abstraction has has 280 places, 281 transitions, 572 flow [2024-11-28 02:43:12,837 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 292.3333333333333) internal successors, (877), 3 states have internal predecessors, (877), 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 02:43:12,839 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-28 02:43:12,839 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] [2024-11-28 02:43:12,839 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-28 02:43:12,839 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 44 more)] === [2024-11-28 02:43:12,840 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:43:12,841 INFO L85 PathProgramCache]: Analyzing trace with hash 1198956156, now seen corresponding path program 1 times [2024-11-28 02:43:12,841 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 02:43:12,841 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1447652994] [2024-11-28 02:43:12,841 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:43:12,841 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 02:43:12,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:43:12,918 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 02:43:12,918 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 02:43:12,918 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1447652994] [2024-11-28 02:43:12,918 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1447652994] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 02:43:12,919 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 02:43:12,919 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-28 02:43:12,919 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1647045493] [2024-11-28 02:43:12,919 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 02:43:12,919 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 02:43:12,920 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 02:43:12,920 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 02:43:12,920 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 02:43:12,950 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 293 out of 316 [2024-11-28 02:43:12,952 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 280 places, 281 transitions, 572 flow. Second operand has 3 states, 3 states have (on average 294.3333333333333) internal successors, (883), 3 states have internal predecessors, (883), 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 02:43:12,952 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-28 02:43:12,952 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 293 of 316 [2024-11-28 02:43:12,952 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-28 02:43:13,029 INFO L124 PetriNetUnfolderBase]: 16/353 cut-off events. [2024-11-28 02:43:13,029 INFO L125 PetriNetUnfolderBase]: For 4/7 co-relation queries the response was YES. [2024-11-28 02:43:13,033 INFO L83 FinitePrefix]: Finished finitePrefix Result has 388 conditions, 353 events. 16/353 cut-off events. For 4/7 co-relation queries the response was YES. Maximal size of possible extension queue 13. Compared 1262 event pairs, 7 based on Foata normal form. 0/309 useless extension candidates. Maximal degree in co-relation 322. Up to 25 conditions per place. [2024-11-28 02:43:13,035 INFO L140 encePairwiseOnDemand]: 313/316 looper letters, 11 selfloop transitions, 2 changer transitions 0/280 dead transitions. [2024-11-28 02:43:13,035 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 281 places, 280 transitions, 596 flow [2024-11-28 02:43:13,035 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 02:43:13,036 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-28 02:43:13,037 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 893 transitions. [2024-11-28 02:43:13,038 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9419831223628692 [2024-11-28 02:43:13,038 INFO L175 Difference]: Start difference. First operand has 280 places, 281 transitions, 572 flow. Second operand 3 states and 893 transitions. [2024-11-28 02:43:13,038 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 281 places, 280 transitions, 596 flow [2024-11-28 02:43:13,041 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 279 places, 280 transitions, 592 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-28 02:43:13,044 INFO L231 Difference]: Finished difference. Result has 279 places, 280 transitions, 570 flow [2024-11-28 02:43:13,045 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=316, PETRI_DIFFERENCE_MINUEND_FLOW=566, PETRI_DIFFERENCE_MINUEND_PLACES=277, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=280, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=278, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=570, PETRI_PLACES=279, PETRI_TRANSITIONS=280} [2024-11-28 02:43:13,045 INFO L279 CegarLoopForPetriNet]: 289 programPoint places, -10 predicate places. [2024-11-28 02:43:13,046 INFO L471 AbstractCegarLoop]: Abstraction has has 279 places, 280 transitions, 570 flow [2024-11-28 02:43:13,046 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 294.3333333333333) internal successors, (883), 3 states have internal predecessors, (883), 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 02:43:13,046 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-28 02:43:13,047 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 02:43:13,047 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-28 02:43:13,047 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting thread1Err0ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 44 more)] === [2024-11-28 02:43:13,048 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:43:13,048 INFO L85 PathProgramCache]: Analyzing trace with hash -231153523, now seen corresponding path program 1 times [2024-11-28 02:43:13,048 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 02:43:13,048 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1897843911] [2024-11-28 02:43:13,048 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:43:13,048 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 02:43:13,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:43:13,112 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 02:43:13,112 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 02:43:13,113 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1897843911] [2024-11-28 02:43:13,113 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1897843911] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 02:43:13,113 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 02:43:13,113 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-28 02:43:13,113 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [111016516] [2024-11-28 02:43:13,113 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 02:43:13,114 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 02:43:13,114 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 02:43:13,114 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 02:43:13,115 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 02:43:13,138 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 295 out of 316 [2024-11-28 02:43:13,139 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 279 places, 280 transitions, 570 flow. Second operand has 3 states, 3 states have (on average 296.3333333333333) internal successors, (889), 3 states have internal predecessors, (889), 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 02:43:13,139 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-28 02:43:13,140 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 295 of 316 [2024-11-28 02:43:13,140 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-28 02:43:13,299 INFO L124 PetriNetUnfolderBase]: 33/699 cut-off events. [2024-11-28 02:43:13,299 INFO L125 PetriNetUnfolderBase]: For 4/4 co-relation queries the response was YES. [2024-11-28 02:43:13,307 INFO L83 FinitePrefix]: Finished finitePrefix Result has 746 conditions, 699 events. 33/699 cut-off events. For 4/4 co-relation queries the response was YES. Maximal size of possible extension queue 25. Compared 3907 event pairs, 8 based on Foata normal form. 0/600 useless extension candidates. Maximal degree in co-relation 672. Up to 31 conditions per place. [2024-11-28 02:43:13,311 INFO L140 encePairwiseOnDemand]: 312/316 looper letters, 13 selfloop transitions, 2 changer transitions 0/282 dead transitions. [2024-11-28 02:43:13,311 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 279 places, 282 transitions, 606 flow [2024-11-28 02:43:13,312 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 02:43:13,312 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-28 02:43:13,313 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 902 transitions. [2024-11-28 02:43:13,314 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9514767932489452 [2024-11-28 02:43:13,314 INFO L175 Difference]: Start difference. First operand has 279 places, 280 transitions, 570 flow. Second operand 3 states and 902 transitions. [2024-11-28 02:43:13,315 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 279 places, 282 transitions, 606 flow [2024-11-28 02:43:13,316 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 277 places, 282 transitions, 602 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-28 02:43:13,322 INFO L231 Difference]: Finished difference. Result has 278 places, 280 transitions, 576 flow [2024-11-28 02:43:13,323 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=316, PETRI_DIFFERENCE_MINUEND_FLOW=562, PETRI_DIFFERENCE_MINUEND_PLACES=275, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=278, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=276, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=576, PETRI_PLACES=278, PETRI_TRANSITIONS=280} [2024-11-28 02:43:13,324 INFO L279 CegarLoopForPetriNet]: 289 programPoint places, -11 predicate places. [2024-11-28 02:43:13,324 INFO L471 AbstractCegarLoop]: Abstraction has has 278 places, 280 transitions, 576 flow [2024-11-28 02:43:13,324 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 296.3333333333333) internal successors, (889), 3 states have internal predecessors, (889), 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 02:43:13,324 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-28 02:43:13,325 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] [2024-11-28 02:43:13,325 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-28 02:43:13,325 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting thread1Err1ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 44 more)] === [2024-11-28 02:43:13,325 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:43:13,326 INFO L85 PathProgramCache]: Analyzing trace with hash -1461307220, now seen corresponding path program 1 times [2024-11-28 02:43:13,328 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 02:43:13,328 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1057019128] [2024-11-28 02:43:13,328 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:43:13,328 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 02:43:13,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:43:13,439 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 02:43:13,439 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 02:43:13,439 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1057019128] [2024-11-28 02:43:13,439 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1057019128] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 02:43:13,439 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 02:43:13,439 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-28 02:43:13,439 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [455429296] [2024-11-28 02:43:13,439 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 02:43:13,440 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 02:43:13,440 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 02:43:13,440 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 02:43:13,440 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 02:43:13,468 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 292 out of 316 [2024-11-28 02:43:13,470 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 278 places, 280 transitions, 576 flow. Second operand has 3 states, 3 states have (on average 293.3333333333333) internal successors, (880), 3 states have internal predecessors, (880), 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 02:43:13,470 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-28 02:43:13,470 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 292 of 316 [2024-11-28 02:43:13,470 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-28 02:43:13,684 INFO L124 PetriNetUnfolderBase]: 70/1041 cut-off events. [2024-11-28 02:43:13,684 INFO L125 PetriNetUnfolderBase]: For 4/4 co-relation queries the response was YES. [2024-11-28 02:43:13,693 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1148 conditions, 1041 events. 70/1041 cut-off events. For 4/4 co-relation queries the response was YES. Maximal size of possible extension queue 46. Compared 7322 event pairs, 10 based on Foata normal form. 0/897 useless extension candidates. Maximal degree in co-relation 1005. Up to 73 conditions per place. [2024-11-28 02:43:13,700 INFO L140 encePairwiseOnDemand]: 310/316 looper letters, 15 selfloop transitions, 3 changer transitions 0/282 dead transitions. [2024-11-28 02:43:13,701 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 277 places, 282 transitions, 618 flow [2024-11-28 02:43:13,701 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 02:43:13,701 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-28 02:43:13,703 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 897 transitions. [2024-11-28 02:43:13,704 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9462025316455697 [2024-11-28 02:43:13,704 INFO L175 Difference]: Start difference. First operand has 278 places, 280 transitions, 576 flow. Second operand 3 states and 897 transitions. [2024-11-28 02:43:13,704 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 277 places, 282 transitions, 618 flow [2024-11-28 02:43:13,707 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 277 places, 282 transitions, 618 flow, removed 0 selfloop flow, removed 0 redundant places. [2024-11-28 02:43:13,714 INFO L231 Difference]: Finished difference. Result has 278 places, 280 transitions, 591 flow [2024-11-28 02:43:13,715 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=316, PETRI_DIFFERENCE_MINUEND_FLOW=570, PETRI_DIFFERENCE_MINUEND_PLACES=275, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=277, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=274, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=591, PETRI_PLACES=278, PETRI_TRANSITIONS=280} [2024-11-28 02:43:13,716 INFO L279 CegarLoopForPetriNet]: 289 programPoint places, -11 predicate places. [2024-11-28 02:43:13,716 INFO L471 AbstractCegarLoop]: Abstraction has has 278 places, 280 transitions, 591 flow [2024-11-28 02:43:13,717 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 293.3333333333333) internal successors, (880), 3 states have internal predecessors, (880), 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 02:43:13,717 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-28 02:43:13,717 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] [2024-11-28 02:43:13,717 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-28 02:43:13,717 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting thread1Err3ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 44 more)] === [2024-11-28 02:43:13,721 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:43:13,721 INFO L85 PathProgramCache]: Analyzing trace with hash 15464438, now seen corresponding path program 1 times [2024-11-28 02:43:13,721 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 02:43:13,721 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1152171833] [2024-11-28 02:43:13,721 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:43:13,721 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 02:43:13,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:43:13,847 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 02:43:13,847 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 02:43:13,847 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1152171833] [2024-11-28 02:43:13,847 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1152171833] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 02:43:13,847 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 02:43:13,848 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-28 02:43:13,848 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2028420768] [2024-11-28 02:43:13,848 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 02:43:13,848 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 02:43:13,848 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 02:43:13,849 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 02:43:13,849 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 02:43:13,871 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 295 out of 316 [2024-11-28 02:43:13,873 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 278 places, 280 transitions, 591 flow. Second operand has 3 states, 3 states have (on average 296.3333333333333) internal successors, (889), 3 states have internal predecessors, (889), 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 02:43:13,873 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-28 02:43:13,873 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 295 of 316 [2024-11-28 02:43:13,873 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-28 02:43:14,071 INFO L124 PetriNetUnfolderBase]: 31/808 cut-off events. [2024-11-28 02:43:14,072 INFO L125 PetriNetUnfolderBase]: For 9/11 co-relation queries the response was YES. [2024-11-28 02:43:14,079 INFO L83 FinitePrefix]: Finished finitePrefix Result has 880 conditions, 808 events. 31/808 cut-off events. For 9/11 co-relation queries the response was YES. Maximal size of possible extension queue 22. Compared 4380 event pairs, 2 based on Foata normal form. 0/718 useless extension candidates. Maximal degree in co-relation 723. Up to 38 conditions per place. [2024-11-28 02:43:14,083 INFO L140 encePairwiseOnDemand]: 312/316 looper letters, 16 selfloop transitions, 2 changer transitions 0/285 dead transitions. [2024-11-28 02:43:14,083 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 278 places, 285 transitions, 642 flow [2024-11-28 02:43:14,083 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 02:43:14,083 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-28 02:43:14,085 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 905 transitions. [2024-11-28 02:43:14,086 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9546413502109705 [2024-11-28 02:43:14,086 INFO L175 Difference]: Start difference. First operand has 278 places, 280 transitions, 591 flow. Second operand 3 states and 905 transitions. [2024-11-28 02:43:14,086 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 278 places, 285 transitions, 642 flow [2024-11-28 02:43:14,088 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 278 places, 285 transitions, 642 flow, removed 0 selfloop flow, removed 0 redundant places. [2024-11-28 02:43:14,094 INFO L231 Difference]: Finished difference. Result has 279 places, 280 transitions, 601 flow [2024-11-28 02:43:14,094 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=316, PETRI_DIFFERENCE_MINUEND_FLOW=587, PETRI_DIFFERENCE_MINUEND_PLACES=276, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=278, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=276, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=601, PETRI_PLACES=279, PETRI_TRANSITIONS=280} [2024-11-28 02:43:14,095 INFO L279 CegarLoopForPetriNet]: 289 programPoint places, -10 predicate places. [2024-11-28 02:43:14,095 INFO L471 AbstractCegarLoop]: Abstraction has has 279 places, 280 transitions, 601 flow [2024-11-28 02:43:14,096 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 296.3333333333333) internal successors, (889), 3 states have internal predecessors, (889), 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 02:43:14,096 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-28 02:43:14,096 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 02:43:14,097 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-11-28 02:43:14,097 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting thread1Err4ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 44 more)] === [2024-11-28 02:43:14,097 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:43:14,097 INFO L85 PathProgramCache]: Analyzing trace with hash 1976446874, now seen corresponding path program 1 times [2024-11-28 02:43:14,097 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 02:43:14,097 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1005463946] [2024-11-28 02:43:14,098 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:43:14,098 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 02:43:14,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:43:14,176 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 02:43:14,176 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 02:43:14,176 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1005463946] [2024-11-28 02:43:14,176 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1005463946] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 02:43:14,176 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 02:43:14,176 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-28 02:43:14,176 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1967617165] [2024-11-28 02:43:14,176 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 02:43:14,177 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 02:43:14,177 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 02:43:14,177 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 02:43:14,177 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 02:43:14,192 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 295 out of 316 [2024-11-28 02:43:14,194 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 279 places, 280 transitions, 601 flow. Second operand has 3 states, 3 states have (on average 296.3333333333333) internal successors, (889), 3 states have internal predecessors, (889), 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 02:43:14,194 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-28 02:43:14,194 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 295 of 316 [2024-11-28 02:43:14,194 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-28 02:43:14,470 INFO L124 PetriNetUnfolderBase]: 43/1127 cut-off events. [2024-11-28 02:43:14,471 INFO L125 PetriNetUnfolderBase]: For 9/21 co-relation queries the response was YES. [2024-11-28 02:43:14,482 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1245 conditions, 1127 events. 43/1127 cut-off events. For 9/21 co-relation queries the response was YES. Maximal size of possible extension queue 30. Compared 7426 event pairs, 6 based on Foata normal form. 1/1006 useless extension candidates. Maximal degree in co-relation 1087. Up to 64 conditions per place. [2024-11-28 02:43:14,491 INFO L140 encePairwiseOnDemand]: 312/316 looper letters, 16 selfloop transitions, 2 changer transitions 0/285 dead transitions. [2024-11-28 02:43:14,491 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 279 places, 285 transitions, 652 flow [2024-11-28 02:43:14,491 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 02:43:14,492 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-28 02:43:14,493 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 905 transitions. [2024-11-28 02:43:14,497 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9546413502109705 [2024-11-28 02:43:14,497 INFO L175 Difference]: Start difference. First operand has 279 places, 280 transitions, 601 flow. Second operand 3 states and 905 transitions. [2024-11-28 02:43:14,497 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 279 places, 285 transitions, 652 flow [2024-11-28 02:43:14,499 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 279 places, 285 transitions, 652 flow, removed 0 selfloop flow, removed 0 redundant places. [2024-11-28 02:43:14,503 INFO L231 Difference]: Finished difference. Result has 280 places, 280 transitions, 611 flow [2024-11-28 02:43:14,504 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=316, PETRI_DIFFERENCE_MINUEND_FLOW=597, PETRI_DIFFERENCE_MINUEND_PLACES=277, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=278, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=276, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=611, PETRI_PLACES=280, PETRI_TRANSITIONS=280} [2024-11-28 02:43:14,505 INFO L279 CegarLoopForPetriNet]: 289 programPoint places, -9 predicate places. [2024-11-28 02:43:14,506 INFO L471 AbstractCegarLoop]: Abstraction has has 280 places, 280 transitions, 611 flow [2024-11-28 02:43:14,506 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 296.3333333333333) internal successors, (889), 3 states have internal predecessors, (889), 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 02:43:14,506 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-28 02:43:14,507 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 02:43:14,507 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-11-28 02:43:14,507 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting thread1Err5ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 44 more)] === [2024-11-28 02:43:14,508 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:43:14,508 INFO L85 PathProgramCache]: Analyzing trace with hash -713034984, now seen corresponding path program 1 times [2024-11-28 02:43:14,508 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 02:43:14,508 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1189290288] [2024-11-28 02:43:14,508 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:43:14,508 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 02:43:14,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:43:14,597 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 02:43:14,597 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 02:43:14,598 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1189290288] [2024-11-28 02:43:14,598 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1189290288] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 02:43:14,598 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 02:43:14,598 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-28 02:43:14,598 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [598893971] [2024-11-28 02:43:14,598 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 02:43:14,598 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 02:43:14,599 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 02:43:14,599 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 02:43:14,599 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 02:43:14,621 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 296 out of 316 [2024-11-28 02:43:14,622 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 280 places, 280 transitions, 611 flow. Second operand has 3 states, 3 states have (on average 297.3333333333333) internal successors, (892), 3 states have internal predecessors, (892), 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 02:43:14,622 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-28 02:43:14,622 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 296 of 316 [2024-11-28 02:43:14,622 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-28 02:43:14,835 INFO L124 PetriNetUnfolderBase]: 38/965 cut-off events. [2024-11-28 02:43:14,835 INFO L125 PetriNetUnfolderBase]: For 6/35 co-relation queries the response was YES. [2024-11-28 02:43:14,844 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1091 conditions, 965 events. 38/965 cut-off events. For 6/35 co-relation queries the response was YES. Maximal size of possible extension queue 27. Compared 5803 event pairs, 8 based on Foata normal form. 4/859 useless extension candidates. Maximal degree in co-relation 933. Up to 38 conditions per place. [2024-11-28 02:43:14,849 INFO L140 encePairwiseOnDemand]: 313/316 looper letters, 11 selfloop transitions, 2 changer transitions 0/281 dead transitions. [2024-11-28 02:43:14,849 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 281 places, 281 transitions, 641 flow [2024-11-28 02:43:14,849 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 02:43:14,849 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-28 02:43:14,851 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 902 transitions. [2024-11-28 02:43:14,852 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9514767932489452 [2024-11-28 02:43:14,852 INFO L175 Difference]: Start difference. First operand has 280 places, 280 transitions, 611 flow. Second operand 3 states and 902 transitions. [2024-11-28 02:43:14,852 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 281 places, 281 transitions, 641 flow [2024-11-28 02:43:14,854 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 281 places, 281 transitions, 641 flow, removed 0 selfloop flow, removed 0 redundant places. [2024-11-28 02:43:14,857 INFO L231 Difference]: Finished difference. Result has 281 places, 279 transitions, 613 flow [2024-11-28 02:43:14,858 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=316, PETRI_DIFFERENCE_MINUEND_FLOW=609, PETRI_DIFFERENCE_MINUEND_PLACES=279, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=279, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=277, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=613, PETRI_PLACES=281, PETRI_TRANSITIONS=279} [2024-11-28 02:43:14,858 INFO L279 CegarLoopForPetriNet]: 289 programPoint places, -8 predicate places. [2024-11-28 02:43:14,858 INFO L471 AbstractCegarLoop]: Abstraction has has 281 places, 279 transitions, 613 flow [2024-11-28 02:43:14,859 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 297.3333333333333) internal successors, (892), 3 states have internal predecessors, (892), 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 02:43:14,859 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-28 02:43:14,859 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] [2024-11-28 02:43:14,859 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-11-28 02:43:14,860 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting thread2Err2ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 44 more)] === [2024-11-28 02:43:14,860 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:43:14,860 INFO L85 PathProgramCache]: Analyzing trace with hash 1229713910, now seen corresponding path program 1 times [2024-11-28 02:43:14,861 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 02:43:14,861 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1053278118] [2024-11-28 02:43:14,861 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:43:14,861 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 02:43:14,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:43:14,942 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 02:43:14,943 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 02:43:14,943 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1053278118] [2024-11-28 02:43:14,943 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1053278118] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 02:43:14,943 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 02:43:14,943 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-28 02:43:14,943 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [432409767] [2024-11-28 02:43:14,943 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 02:43:14,944 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 02:43:14,944 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 02:43:14,944 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 02:43:14,944 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 02:43:14,971 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 289 out of 316 [2024-11-28 02:43:14,972 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 281 places, 279 transitions, 613 flow. Second operand has 3 states, 3 states have (on average 290.6666666666667) internal successors, (872), 3 states have internal predecessors, (872), 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 02:43:14,972 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-28 02:43:14,972 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 289 of 316 [2024-11-28 02:43:14,972 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-28 02:43:15,601 INFO L124 PetriNetUnfolderBase]: 240/3552 cut-off events. [2024-11-28 02:43:15,602 INFO L125 PetriNetUnfolderBase]: For 69/81 co-relation queries the response was YES. [2024-11-28 02:43:15,621 INFO L83 FinitePrefix]: Finished finitePrefix Result has 4040 conditions, 3552 events. 240/3552 cut-off events. For 69/81 co-relation queries the response was YES. Maximal size of possible extension queue 118. Compared 35374 event pairs, 60 based on Foata normal form. 1/3163 useless extension candidates. Maximal degree in co-relation 3454. Up to 331 conditions per place. [2024-11-28 02:43:15,635 INFO L140 encePairwiseOnDemand]: 308/316 looper letters, 17 selfloop transitions, 4 changer transitions 0/281 dead transitions. [2024-11-28 02:43:15,635 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 279 places, 281 transitions, 661 flow [2024-11-28 02:43:15,635 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 02:43:15,635 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-28 02:43:15,637 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 892 transitions. [2024-11-28 02:43:15,637 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9409282700421941 [2024-11-28 02:43:15,638 INFO L175 Difference]: Start difference. First operand has 281 places, 279 transitions, 613 flow. Second operand 3 states and 892 transitions. [2024-11-28 02:43:15,638 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 279 places, 281 transitions, 661 flow [2024-11-28 02:43:15,640 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 277 places, 281 transitions, 657 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-28 02:43:15,644 INFO L231 Difference]: Finished difference. Result has 278 places, 279 transitions, 629 flow [2024-11-28 02:43:15,645 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=316, PETRI_DIFFERENCE_MINUEND_FLOW=601, PETRI_DIFFERENCE_MINUEND_PLACES=275, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=275, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=271, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=629, PETRI_PLACES=278, PETRI_TRANSITIONS=279} [2024-11-28 02:43:15,646 INFO L279 CegarLoopForPetriNet]: 289 programPoint places, -11 predicate places. [2024-11-28 02:43:15,647 INFO L471 AbstractCegarLoop]: Abstraction has has 278 places, 279 transitions, 629 flow [2024-11-28 02:43:15,648 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 290.6666666666667) internal successors, (872), 3 states have internal predecessors, (872), 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 02:43:15,648 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-28 02:43:15,649 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 02:43:15,649 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-11-28 02:43:15,649 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting thread2Err4ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 44 more)] === [2024-11-28 02:43:15,650 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:43:15,650 INFO L85 PathProgramCache]: Analyzing trace with hash -559817681, now seen corresponding path program 1 times [2024-11-28 02:43:15,650 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 02:43:15,650 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [959248476] [2024-11-28 02:43:15,650 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:43:15,650 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 02:43:15,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:43:15,728 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 02:43:15,728 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 02:43:15,729 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [959248476] [2024-11-28 02:43:15,729 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [959248476] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 02:43:15,729 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 02:43:15,729 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-28 02:43:15,729 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [720367343] [2024-11-28 02:43:15,729 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 02:43:15,730 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 02:43:15,730 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 02:43:15,730 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 02:43:15,730 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 02:43:15,747 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 295 out of 316 [2024-11-28 02:43:15,749 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 278 places, 279 transitions, 629 flow. Second operand has 3 states, 3 states have (on average 296.6666666666667) internal successors, (890), 3 states have internal predecessors, (890), 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 02:43:15,749 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-28 02:43:15,749 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 295 of 316 [2024-11-28 02:43:15,749 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-28 02:43:16,217 INFO L124 PetriNetUnfolderBase]: 115/2657 cut-off events. [2024-11-28 02:43:16,217 INFO L125 PetriNetUnfolderBase]: For 36/42 co-relation queries the response was YES. [2024-11-28 02:43:16,235 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2959 conditions, 2657 events. 115/2657 cut-off events. For 36/42 co-relation queries the response was YES. Maximal size of possible extension queue 67. Compared 23788 event pairs, 14 based on Foata normal form. 0/2401 useless extension candidates. Maximal degree in co-relation 2527. Up to 168 conditions per place. [2024-11-28 02:43:16,242 INFO L140 encePairwiseOnDemand]: 312/316 looper letters, 15 selfloop transitions, 2 changer transitions 0/283 dead transitions. [2024-11-28 02:43:16,242 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 278 places, 283 transitions, 675 flow [2024-11-28 02:43:16,242 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 02:43:16,242 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-28 02:43:16,244 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 904 transitions. [2024-11-28 02:43:16,244 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9535864978902954 [2024-11-28 02:43:16,245 INFO L175 Difference]: Start difference. First operand has 278 places, 279 transitions, 629 flow. Second operand 3 states and 904 transitions. [2024-11-28 02:43:16,245 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 278 places, 283 transitions, 675 flow [2024-11-28 02:43:16,248 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 278 places, 283 transitions, 675 flow, removed 0 selfloop flow, removed 0 redundant places. [2024-11-28 02:43:16,252 INFO L231 Difference]: Finished difference. Result has 279 places, 279 transitions, 639 flow [2024-11-28 02:43:16,253 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=316, PETRI_DIFFERENCE_MINUEND_FLOW=625, PETRI_DIFFERENCE_MINUEND_PLACES=276, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=277, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=275, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=639, PETRI_PLACES=279, PETRI_TRANSITIONS=279} [2024-11-28 02:43:16,254 INFO L279 CegarLoopForPetriNet]: 289 programPoint places, -10 predicate places. [2024-11-28 02:43:16,254 INFO L471 AbstractCegarLoop]: Abstraction has has 279 places, 279 transitions, 639 flow [2024-11-28 02:43:16,255 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 296.6666666666667) internal successors, (890), 3 states have internal predecessors, (890), 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 02:43:16,255 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-28 02:43:16,255 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 02:43:16,255 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2024-11-28 02:43:16,256 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting thread2Err5ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 44 more)] === [2024-11-28 02:43:16,256 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:43:16,256 INFO L85 PathProgramCache]: Analyzing trace with hash 1045667757, now seen corresponding path program 1 times [2024-11-28 02:43:16,256 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 02:43:16,256 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1022688926] [2024-11-28 02:43:16,257 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:43:16,257 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 02:43:16,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:43:16,320 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 02:43:16,320 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 02:43:16,320 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1022688926] [2024-11-28 02:43:16,320 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1022688926] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 02:43:16,320 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 02:43:16,320 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-28 02:43:16,321 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1671189084] [2024-11-28 02:43:16,321 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 02:43:16,321 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 02:43:16,321 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 02:43:16,322 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 02:43:16,322 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 02:43:16,333 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 296 out of 316 [2024-11-28 02:43:16,335 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 279 places, 279 transitions, 639 flow. Second operand has 3 states, 3 states have (on average 297.6666666666667) internal successors, (893), 3 states have internal predecessors, (893), 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 02:43:16,335 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-28 02:43:16,335 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 296 of 316 [2024-11-28 02:43:16,335 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-28 02:43:16,694 INFO L124 PetriNetUnfolderBase]: 108/2291 cut-off events. [2024-11-28 02:43:16,695 INFO L125 PetriNetUnfolderBase]: For 24/59 co-relation queries the response was YES. [2024-11-28 02:43:16,716 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2687 conditions, 2291 events. 108/2291 cut-off events. For 24/59 co-relation queries the response was YES. Maximal size of possible extension queue 55. Compared 19936 event pairs, 22 based on Foata normal form. 2/2086 useless extension candidates. Maximal degree in co-relation 2191. Up to 80 conditions per place. [2024-11-28 02:43:16,723 INFO L140 encePairwiseOnDemand]: 313/316 looper letters, 11 selfloop transitions, 2 changer transitions 0/280 dead transitions. [2024-11-28 02:43:16,723 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 280 places, 280 transitions, 669 flow [2024-11-28 02:43:16,723 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 02:43:16,724 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-28 02:43:16,725 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 902 transitions. [2024-11-28 02:43:16,726 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9514767932489452 [2024-11-28 02:43:16,726 INFO L175 Difference]: Start difference. First operand has 279 places, 279 transitions, 639 flow. Second operand 3 states and 902 transitions. [2024-11-28 02:43:16,726 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 280 places, 280 transitions, 669 flow [2024-11-28 02:43:16,729 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 280 places, 280 transitions, 669 flow, removed 0 selfloop flow, removed 0 redundant places. [2024-11-28 02:43:16,732 INFO L231 Difference]: Finished difference. Result has 280 places, 278 transitions, 641 flow [2024-11-28 02:43:16,733 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=316, PETRI_DIFFERENCE_MINUEND_FLOW=637, PETRI_DIFFERENCE_MINUEND_PLACES=278, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=278, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=276, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=641, PETRI_PLACES=280, PETRI_TRANSITIONS=278} [2024-11-28 02:43:16,734 INFO L279 CegarLoopForPetriNet]: 289 programPoint places, -9 predicate places. [2024-11-28 02:43:16,734 INFO L471 AbstractCegarLoop]: Abstraction has has 280 places, 278 transitions, 641 flow [2024-11-28 02:43:16,735 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 297.6666666666667) internal successors, (893), 3 states have internal predecessors, (893), 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 02:43:16,735 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-28 02:43:16,735 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] [2024-11-28 02:43:16,735 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2024-11-28 02:43:16,735 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting thread3Err5ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 44 more)] === [2024-11-28 02:43:16,736 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:43:16,736 INFO L85 PathProgramCache]: Analyzing trace with hash 1345187915, now seen corresponding path program 1 times [2024-11-28 02:43:16,736 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 02:43:16,736 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1217049524] [2024-11-28 02:43:16,736 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:43:16,737 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 02:43:16,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:43:16,791 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 02:43:16,791 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 02:43:16,791 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1217049524] [2024-11-28 02:43:16,791 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1217049524] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 02:43:16,791 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 02:43:16,791 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-28 02:43:16,792 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [54778861] [2024-11-28 02:43:16,792 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 02:43:16,792 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 02:43:16,792 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 02:43:16,793 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 02:43:16,793 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 02:43:16,808 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 296 out of 316 [2024-11-28 02:43:16,809 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 280 places, 278 transitions, 641 flow. Second operand has 3 states, 3 states have (on average 298.0) internal successors, (894), 3 states have internal predecessors, (894), 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 02:43:16,809 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-28 02:43:16,809 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 296 of 316 [2024-11-28 02:43:16,809 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-28 02:43:17,181 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([832] L55-25-->L55-26: Formula: true InVars {} OutVars{thread3Thread1of1ForFork0_#t~nondet12#1=|v_thread3Thread1of1ForFork0_#t~nondet12#1_1|} AuxVars[] AssignedVars[thread3Thread1of1ForFork0_#t~nondet12#1][179], [24#L55-26true, Black: 351#true, 338#(= |#race~length_2~0| 0), Black: 355#true, 359#true, 362#true, 66#L76true, Black: 332#true, 353#(= |#race~length_4~0| 0), 346#(= |#race~to_int_3~0| 0), Black: 336#true, 334#(= |#race~length_0~0| 0), Black: 340#true, Black: 344#true, 357#(= |#race~to_int_5~0| 0), 342#(= |#race~to_int_1~0| 0)]) [2024-11-28 02:43:17,181 INFO L294 olderBase$Statistics]: this new event has 187 ancestors and is not cut-off event [2024-11-28 02:43:17,181 INFO L297 olderBase$Statistics]: existing Event has 215 ancestors and is not cut-off event [2024-11-28 02:43:17,181 INFO L297 olderBase$Statistics]: existing Event has 187 ancestors and is not cut-off event [2024-11-28 02:43:17,181 INFO L297 olderBase$Statistics]: existing Event has 187 ancestors and is not cut-off event [2024-11-28 02:43:17,187 INFO L124 PetriNetUnfolderBase]: 136/1683 cut-off events. [2024-11-28 02:43:17,187 INFO L125 PetriNetUnfolderBase]: For 87/114 co-relation queries the response was YES. [2024-11-28 02:43:17,205 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2156 conditions, 1683 events. 136/1683 cut-off events. For 87/114 co-relation queries the response was YES. Maximal size of possible extension queue 58. Compared 13916 event pairs, 36 based on Foata normal form. 1/1548 useless extension candidates. Maximal degree in co-relation 1861. Up to 160 conditions per place. [2024-11-28 02:43:17,210 INFO L140 encePairwiseOnDemand]: 313/316 looper letters, 11 selfloop transitions, 2 changer transitions 0/279 dead transitions. [2024-11-28 02:43:17,210 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 281 places, 279 transitions, 671 flow [2024-11-28 02:43:17,211 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 02:43:17,211 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-28 02:43:17,213 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 902 transitions. [2024-11-28 02:43:17,214 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9514767932489452 [2024-11-28 02:43:17,214 INFO L175 Difference]: Start difference. First operand has 280 places, 278 transitions, 641 flow. Second operand 3 states and 902 transitions. [2024-11-28 02:43:17,214 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 281 places, 279 transitions, 671 flow [2024-11-28 02:43:17,216 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 279 places, 279 transitions, 667 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-28 02:43:17,220 INFO L231 Difference]: Finished difference. Result has 279 places, 277 transitions, 639 flow [2024-11-28 02:43:17,221 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=316, PETRI_DIFFERENCE_MINUEND_FLOW=635, PETRI_DIFFERENCE_MINUEND_PLACES=277, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=277, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=275, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=639, PETRI_PLACES=279, PETRI_TRANSITIONS=277} [2024-11-28 02:43:17,221 INFO L279 CegarLoopForPetriNet]: 289 programPoint places, -10 predicate places. [2024-11-28 02:43:17,222 INFO L471 AbstractCegarLoop]: Abstraction has has 279 places, 277 transitions, 639 flow [2024-11-28 02:43:17,222 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 298.0) internal successors, (894), 3 states have internal predecessors, (894), 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 02:43:17,222 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-28 02:43:17,223 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] [2024-11-28 02:43:17,223 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2024-11-28 02:43:17,223 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 44 more)] === [2024-11-28 02:43:17,224 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:43:17,224 INFO L85 PathProgramCache]: Analyzing trace with hash 2048670741, now seen corresponding path program 1 times [2024-11-28 02:43:17,224 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 02:43:17,224 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2076102925] [2024-11-28 02:43:17,224 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:43:17,224 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 02:43:17,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:43:17,312 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 02:43:17,312 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 02:43:17,312 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2076102925] [2024-11-28 02:43:17,314 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2076102925] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 02:43:17,314 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 02:43:17,314 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-28 02:43:17,314 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [466409921] [2024-11-28 02:43:17,314 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 02:43:17,315 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 02:43:17,316 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 02:43:17,316 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 02:43:17,316 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 02:43:17,326 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 298 out of 316 [2024-11-28 02:43:17,328 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 279 places, 277 transitions, 639 flow. Second operand has 3 states, 3 states have (on average 301.0) internal successors, (903), 3 states have internal predecessors, (903), 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 02:43:17,328 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-28 02:43:17,328 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 298 of 316 [2024-11-28 02:43:17,328 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-28 02:43:17,702 INFO L124 PetriNetUnfolderBase]: 73/1997 cut-off events. [2024-11-28 02:43:17,703 INFO L125 PetriNetUnfolderBase]: For 8/20 co-relation queries the response was YES. [2024-11-28 02:43:17,717 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2353 conditions, 1997 events. 73/1997 cut-off events. For 8/20 co-relation queries the response was YES. Maximal size of possible extension queue 44. Compared 16182 event pairs, 4 based on Foata normal form. 0/1858 useless extension candidates. Maximal degree in co-relation 1998. Up to 66 conditions per place. [2024-11-28 02:43:17,721 INFO L140 encePairwiseOnDemand]: 314/316 looper letters, 8 selfloop transitions, 1 changer transitions 0/276 dead transitions. [2024-11-28 02:43:17,721 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 280 places, 276 transitions, 655 flow [2024-11-28 02:43:17,722 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 02:43:17,722 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-28 02:43:17,723 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 904 transitions. [2024-11-28 02:43:17,724 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9535864978902954 [2024-11-28 02:43:17,724 INFO L175 Difference]: Start difference. First operand has 279 places, 277 transitions, 639 flow. Second operand 3 states and 904 transitions. [2024-11-28 02:43:17,725 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 280 places, 276 transitions, 655 flow [2024-11-28 02:43:17,729 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 278 places, 276 transitions, 651 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-28 02:43:17,732 INFO L231 Difference]: Finished difference. Result has 278 places, 276 transitions, 635 flow [2024-11-28 02:43:17,734 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=316, PETRI_DIFFERENCE_MINUEND_FLOW=633, PETRI_DIFFERENCE_MINUEND_PLACES=276, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=276, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=275, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=635, PETRI_PLACES=278, PETRI_TRANSITIONS=276} [2024-11-28 02:43:17,734 INFO L279 CegarLoopForPetriNet]: 289 programPoint places, -11 predicate places. [2024-11-28 02:43:17,735 INFO L471 AbstractCegarLoop]: Abstraction has has 278 places, 276 transitions, 635 flow [2024-11-28 02:43:17,735 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 301.0) internal successors, (903), 3 states have internal predecessors, (903), 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 02:43:17,736 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-28 02:43:17,736 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] [2024-11-28 02:43:17,736 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2024-11-28 02:43:17,736 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 44 more)] === [2024-11-28 02:43:17,737 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:43:17,737 INFO L85 PathProgramCache]: Analyzing trace with hash -1221589917, now seen corresponding path program 1 times [2024-11-28 02:43:17,737 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 02:43:17,737 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1466925441] [2024-11-28 02:43:17,737 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:43:17,738 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 02:43:17,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:43:17,831 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 02:43:17,832 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 02:43:17,832 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1466925441] [2024-11-28 02:43:17,832 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1466925441] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 02:43:17,832 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 02:43:17,832 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-28 02:43:17,832 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2101129541] [2024-11-28 02:43:17,832 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 02:43:17,833 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 02:43:17,833 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 02:43:17,833 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 02:43:17,833 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 02:43:17,843 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 298 out of 316 [2024-11-28 02:43:17,845 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 278 places, 276 transitions, 635 flow. Second operand has 3 states, 3 states have (on average 301.0) internal successors, (903), 3 states have internal predecessors, (903), 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 02:43:17,845 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-28 02:43:17,845 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 298 of 316 [2024-11-28 02:43:17,845 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-28 02:43:18,191 INFO L124 PetriNetUnfolderBase]: 70/2132 cut-off events. [2024-11-28 02:43:18,192 INFO L125 PetriNetUnfolderBase]: For 8/22 co-relation queries the response was YES. [2024-11-28 02:43:18,215 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2431 conditions, 2132 events. 70/2132 cut-off events. For 8/22 co-relation queries the response was YES. Maximal size of possible extension queue 45. Compared 17559 event pairs, 11 based on Foata normal form. 0/1985 useless extension candidates. Maximal degree in co-relation 2327. Up to 67 conditions per place. [2024-11-28 02:43:18,221 INFO L140 encePairwiseOnDemand]: 314/316 looper letters, 8 selfloop transitions, 1 changer transitions 0/275 dead transitions. [2024-11-28 02:43:18,221 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 279 places, 275 transitions, 651 flow [2024-11-28 02:43:18,221 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 02:43:18,222 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-28 02:43:18,223 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 904 transitions. [2024-11-28 02:43:18,224 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9535864978902954 [2024-11-28 02:43:18,224 INFO L175 Difference]: Start difference. First operand has 278 places, 276 transitions, 635 flow. Second operand 3 states and 904 transitions. [2024-11-28 02:43:18,224 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 279 places, 275 transitions, 651 flow [2024-11-28 02:43:18,226 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 278 places, 275 transitions, 650 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-11-28 02:43:18,230 INFO L231 Difference]: Finished difference. Result has 278 places, 275 transitions, 634 flow [2024-11-28 02:43:18,230 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=316, PETRI_DIFFERENCE_MINUEND_FLOW=632, PETRI_DIFFERENCE_MINUEND_PLACES=276, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=275, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=274, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=634, PETRI_PLACES=278, PETRI_TRANSITIONS=275} [2024-11-28 02:43:18,231 INFO L279 CegarLoopForPetriNet]: 289 programPoint places, -11 predicate places. [2024-11-28 02:43:18,231 INFO L471 AbstractCegarLoop]: Abstraction has has 278 places, 275 transitions, 634 flow [2024-11-28 02:43:18,232 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 301.0) internal successors, (903), 3 states have internal predecessors, (903), 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 02:43:18,232 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-28 02:43:18,232 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] [2024-11-28 02:43:18,232 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2024-11-28 02:43:18,232 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 44 more)] === [2024-11-28 02:43:18,233 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:43:18,233 INFO L85 PathProgramCache]: Analyzing trace with hash -1570093863, now seen corresponding path program 1 times [2024-11-28 02:43:18,233 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 02:43:18,233 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1709335616] [2024-11-28 02:43:18,233 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:43:18,233 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 02:43:18,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:43:18,307 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 02:43:18,308 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 02:43:18,308 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1709335616] [2024-11-28 02:43:18,308 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1709335616] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 02:43:18,308 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 02:43:18,308 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-28 02:43:18,308 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [955146565] [2024-11-28 02:43:18,308 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 02:43:18,310 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 02:43:18,310 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 02:43:18,311 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 02:43:18,311 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 02:43:18,320 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 298 out of 316 [2024-11-28 02:43:18,321 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 278 places, 275 transitions, 634 flow. Second operand has 3 states, 3 states have (on average 301.0) internal successors, (903), 3 states have internal predecessors, (903), 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 02:43:18,322 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-28 02:43:18,322 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 298 of 316 [2024-11-28 02:43:18,322 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-28 02:43:18,566 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([836] L55-26-->L55-27: Formula: (= |v_#race~result_8~0_1| |v_thread3Thread1of1ForFork0_#t~nondet12#1_3|) InVars {thread3Thread1of1ForFork0_#t~nondet12#1=|v_thread3Thread1of1ForFork0_#t~nondet12#1_3|} OutVars{#race~result_8~0=|v_#race~result_8~0_1|, thread3Thread1of1ForFork0_#t~nondet12#1=|v_thread3Thread1of1ForFork0_#t~nondet12#1_3|} AuxVars[] AssignedVars[#race~result_8~0][186], [368#true, Black: 351#true, 338#(= |#race~length_2~0| 0), Black: 355#true, 66#L76true, Black: 332#true, 353#(= |#race~length_4~0| 0), 346#(= |#race~to_int_3~0| 0), Black: 336#true, 334#(= |#race~length_0~0| 0), Black: 340#true, 357#(= |#race~to_int_5~0| 0), Black: 344#true, 371#true, 82#L55-27true, 342#(= |#race~to_int_1~0| 0)]) [2024-11-28 02:43:18,566 INFO L294 olderBase$Statistics]: this new event has 216 ancestors and is cut-off event [2024-11-28 02:43:18,566 INFO L297 olderBase$Statistics]: existing Event has 188 ancestors and is cut-off event [2024-11-28 02:43:18,566 INFO L297 olderBase$Statistics]: existing Event has 188 ancestors and is cut-off event [2024-11-28 02:43:18,566 INFO L297 olderBase$Statistics]: existing Event has 188 ancestors and is cut-off event [2024-11-28 02:43:18,569 INFO L124 PetriNetUnfolderBase]: 68/1501 cut-off events. [2024-11-28 02:43:18,569 INFO L125 PetriNetUnfolderBase]: For 21/36 co-relation queries the response was YES. [2024-11-28 02:43:18,584 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1771 conditions, 1501 events. 68/1501 cut-off events. For 21/36 co-relation queries the response was YES. Maximal size of possible extension queue 37. Compared 11457 event pairs, 18 based on Foata normal form. 10/1395 useless extension candidates. Maximal degree in co-relation 1722. Up to 87 conditions per place. [2024-11-28 02:43:18,586 INFO L140 encePairwiseOnDemand]: 314/316 looper letters, 0 selfloop transitions, 0 changer transitions 274/274 dead transitions. [2024-11-28 02:43:18,586 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 279 places, 274 transitions, 648 flow [2024-11-28 02:43:18,586 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 02:43:18,586 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-28 02:43:18,588 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 903 transitions. [2024-11-28 02:43:18,589 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9525316455696202 [2024-11-28 02:43:18,589 INFO L175 Difference]: Start difference. First operand has 278 places, 275 transitions, 634 flow. Second operand 3 states and 903 transitions. [2024-11-28 02:43:18,589 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 279 places, 274 transitions, 648 flow [2024-11-28 02:43:18,591 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 278 places, 274 transitions, 647 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-11-28 02:43:18,593 INFO L231 Difference]: Finished difference. Result has 278 places, 0 transitions, 0 flow [2024-11-28 02:43:18,594 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=316, PETRI_DIFFERENCE_MINUEND_FLOW=631, PETRI_DIFFERENCE_MINUEND_PLACES=276, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=274, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=274, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=0, PETRI_PLACES=278, PETRI_TRANSITIONS=0} [2024-11-28 02:43:18,594 INFO L279 CegarLoopForPetriNet]: 289 programPoint places, -11 predicate places. [2024-11-28 02:43:18,594 INFO L471 AbstractCegarLoop]: Abstraction has has 278 places, 0 transitions, 0 flow [2024-11-28 02:43:18,595 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 301.0) internal successors, (903), 3 states have internal predecessors, (903), 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 02:43:18,597 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (47 of 48 remaining) [2024-11-28 02:43:18,598 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE (46 of 48 remaining) [2024-11-28 02:43:18,598 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err2ASSERT_VIOLATIONDATA_RACE (45 of 48 remaining) [2024-11-28 02:43:18,598 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err3ASSERT_VIOLATIONDATA_RACE (44 of 48 remaining) [2024-11-28 02:43:18,598 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err5ASSERT_VIOLATIONDATA_RACE (43 of 48 remaining) [2024-11-28 02:43:18,599 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err4ASSERT_VIOLATIONDATA_RACE (42 of 48 remaining) [2024-11-28 02:43:18,599 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (41 of 48 remaining) [2024-11-28 02:43:18,599 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (40 of 48 remaining) [2024-11-28 02:43:18,599 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err2ASSERT_VIOLATIONDATA_RACE (39 of 48 remaining) [2024-11-28 02:43:18,599 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err3ASSERT_VIOLATIONDATA_RACE (38 of 48 remaining) [2024-11-28 02:43:18,599 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err5ASSERT_VIOLATIONDATA_RACE (37 of 48 remaining) [2024-11-28 02:43:18,599 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err4ASSERT_VIOLATIONDATA_RACE (36 of 48 remaining) [2024-11-28 02:43:18,599 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err0ASSERT_VIOLATIONDATA_RACE (35 of 48 remaining) [2024-11-28 02:43:18,599 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err1ASSERT_VIOLATIONDATA_RACE (34 of 48 remaining) [2024-11-28 02:43:18,600 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err2ASSERT_VIOLATIONDATA_RACE (33 of 48 remaining) [2024-11-28 02:43:18,600 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err3ASSERT_VIOLATIONDATA_RACE (32 of 48 remaining) [2024-11-28 02:43:18,600 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err5ASSERT_VIOLATIONDATA_RACE (31 of 48 remaining) [2024-11-28 02:43:18,600 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err4ASSERT_VIOLATIONDATA_RACE (30 of 48 remaining) [2024-11-28 02:43:18,600 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (29 of 48 remaining) [2024-11-28 02:43:18,600 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (28 of 48 remaining) [2024-11-28 02:43:18,600 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (27 of 48 remaining) [2024-11-28 02:43:18,600 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (26 of 48 remaining) [2024-11-28 02:43:18,601 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE (25 of 48 remaining) [2024-11-28 02:43:18,601 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE (24 of 48 remaining) [2024-11-28 02:43:18,601 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE (23 of 48 remaining) [2024-11-28 02:43:18,601 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE (22 of 48 remaining) [2024-11-28 02:43:18,601 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr8ASSERT_VIOLATIONDATA_RACE (21 of 48 remaining) [2024-11-28 02:43:18,601 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (20 of 48 remaining) [2024-11-28 02:43:18,601 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (19 of 48 remaining) [2024-11-28 02:43:18,601 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (18 of 48 remaining) [2024-11-28 02:43:18,602 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (17 of 48 remaining) [2024-11-28 02:43:18,602 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE (16 of 48 remaining) [2024-11-28 02:43:18,602 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err2ASSERT_VIOLATIONDATA_RACE (15 of 48 remaining) [2024-11-28 02:43:18,602 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err3ASSERT_VIOLATIONDATA_RACE (14 of 48 remaining) [2024-11-28 02:43:18,602 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err5ASSERT_VIOLATIONDATA_RACE (13 of 48 remaining) [2024-11-28 02:43:18,602 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err4ASSERT_VIOLATIONDATA_RACE (12 of 48 remaining) [2024-11-28 02:43:18,602 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (11 of 48 remaining) [2024-11-28 02:43:18,602 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (10 of 48 remaining) [2024-11-28 02:43:18,602 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err2ASSERT_VIOLATIONDATA_RACE (9 of 48 remaining) [2024-11-28 02:43:18,603 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err3ASSERT_VIOLATIONDATA_RACE (8 of 48 remaining) [2024-11-28 02:43:18,603 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err5ASSERT_VIOLATIONDATA_RACE (7 of 48 remaining) [2024-11-28 02:43:18,603 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err4ASSERT_VIOLATIONDATA_RACE (6 of 48 remaining) [2024-11-28 02:43:18,603 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err0ASSERT_VIOLATIONDATA_RACE (5 of 48 remaining) [2024-11-28 02:43:18,603 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err1ASSERT_VIOLATIONDATA_RACE (4 of 48 remaining) [2024-11-28 02:43:18,603 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err2ASSERT_VIOLATIONDATA_RACE (3 of 48 remaining) [2024-11-28 02:43:18,603 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err3ASSERT_VIOLATIONDATA_RACE (2 of 48 remaining) [2024-11-28 02:43:18,603 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err5ASSERT_VIOLATIONDATA_RACE (1 of 48 remaining) [2024-11-28 02:43:18,603 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err4ASSERT_VIOLATIONDATA_RACE (0 of 48 remaining) [2024-11-28 02:43:18,604 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2024-11-28 02:43:18,604 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 02:43:18,610 INFO L241 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-11-28 02:43:18,610 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-28 02:43:18,616 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.11 02:43:18 BasicIcfg [2024-11-28 02:43:18,616 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-28 02:43:18,617 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-28 02:43:18,617 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-28 02:43:18,617 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-28 02:43:18,618 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 02:43:10" (3/4) ... [2024-11-28 02:43:18,620 INFO L146 WitnessPrinter]: Generating witness for correct program [2024-11-28 02:43:18,624 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread1 [2024-11-28 02:43:18,624 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread2 [2024-11-28 02:43:18,624 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread3 [2024-11-28 02:43:18,629 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 14 nodes and edges [2024-11-28 02:43:18,629 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2024-11-28 02:43:18,629 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2024-11-28 02:43:18,630 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-11-28 02:43:18,711 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3aaf785-288f-4a78-938f-578a0e73ca14/bin/uautomizer-verify-aQ6SnzHsRB/witness.graphml [2024-11-28 02:43:18,711 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3aaf785-288f-4a78-938f-578a0e73ca14/bin/uautomizer-verify-aQ6SnzHsRB/witness.yml [2024-11-28 02:43:18,711 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-28 02:43:18,712 INFO L158 Benchmark]: Toolchain (without parser) took 9218.81ms. Allocated memory was 117.4MB in the beginning and 335.5MB in the end (delta: 218.1MB). Free memory was 92.8MB in the beginning and 200.6MB in the end (delta: -107.8MB). Peak memory consumption was 110.3MB. Max. memory is 16.1GB. [2024-11-28 02:43:18,712 INFO L158 Benchmark]: CDTParser took 0.24ms. Allocated memory is still 117.4MB. Free memory is still 74.5MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-28 02:43:18,713 INFO L158 Benchmark]: CACSL2BoogieTranslator took 330.04ms. Allocated memory is still 117.4MB. Free memory was 92.6MB in the beginning and 80.7MB in the end (delta: 11.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-28 02:43:18,713 INFO L158 Benchmark]: Boogie Procedure Inliner took 50.49ms. Allocated memory is still 117.4MB. Free memory was 80.7MB in the beginning and 78.8MB in the end (delta: 1.9MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-28 02:43:18,713 INFO L158 Benchmark]: Boogie Preprocessor took 46.21ms. Allocated memory is still 117.4MB. Free memory was 78.8MB in the beginning and 77.5MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-28 02:43:18,714 INFO L158 Benchmark]: RCFGBuilder took 625.01ms. Allocated memory is still 117.4MB. Free memory was 77.5MB in the beginning and 55.8MB in the end (delta: 21.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-28 02:43:18,714 INFO L158 Benchmark]: TraceAbstraction took 8065.54ms. Allocated memory was 117.4MB in the beginning and 335.5MB in the end (delta: 218.1MB). Free memory was 55.1MB in the beginning and 205.2MB in the end (delta: -150.0MB). Peak memory consumption was 202.8MB. Max. memory is 16.1GB. [2024-11-28 02:43:18,714 INFO L158 Benchmark]: Witness Printer took 94.22ms. Allocated memory is still 335.5MB. Free memory was 205.2MB in the beginning and 200.6MB in the end (delta: 4.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-28 02:43:18,716 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.24ms. Allocated memory is still 117.4MB. Free memory is still 74.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 330.04ms. Allocated memory is still 117.4MB. Free memory was 92.6MB in the beginning and 80.7MB in the end (delta: 11.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 50.49ms. Allocated memory is still 117.4MB. Free memory was 80.7MB in the beginning and 78.8MB in the end (delta: 1.9MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 46.21ms. Allocated memory is still 117.4MB. Free memory was 78.8MB in the beginning and 77.5MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 625.01ms. Allocated memory is still 117.4MB. Free memory was 77.5MB in the beginning and 55.8MB in the end (delta: 21.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * TraceAbstraction took 8065.54ms. Allocated memory was 117.4MB in the beginning and 335.5MB in the end (delta: 218.1MB). Free memory was 55.1MB in the beginning and 205.2MB in the end (delta: -150.0MB). Peak memory consumption was 202.8MB. Max. memory is 16.1GB. * Witness Printer took 94.22ms. Allocated memory is still 335.5MB. Free memory was 205.2MB in the beginning and 200.6MB in the end (delta: 4.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 43]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 43]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 43]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 43]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 43]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 43]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 49]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 49]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 49]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 49]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 49]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 49]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 55]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 55]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 55]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 55]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 55]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 55]: 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: 65]: 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: 68]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 69]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 79]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 79]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 79]: there are no data races For all program executions holds that there are no data races at this location - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 7 procedures, 479 locations, 48 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: 7.8s, OverallIterations: 18, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 5.8s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.2s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 316 SdHoareTripleChecker+Valid, 0.7s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 111 mSDsluCounter, 74 SdHoareTripleChecker+Invalid, 0.6s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 51 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 480 IncrementalHoareTripleChecker+Invalid, 531 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 51 mSolverCounterUnsat, 74 mSDtfsCounter, 480 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 36 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=641occurred in iteration=14, InterpolantAutomatonStates: 54, 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, 1.1s InterpolantComputationTime, 1469 NumberOfCodeBlocks, 1469 NumberOfCodeBlocksAsserted, 18 NumberOfCheckSat, 1451 ConstructedInterpolants, 0 QuantifiedInterpolants, 1487 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 18 InterpolantComputations, 18 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 27 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2024-11-28 02:43:18,739 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3aaf785-288f-4a78-938f-578a0e73ca14/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE