./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-data-race.prp --file ../../sv-benchmarks/c/weaver/bench-exp2x9.wvr.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version 0e0057cc Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3bb9c6c6-c37b-446f-8bb6-198747b6e51e/bin/uautomizer-verify-BQ2R08f2Ya/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3bb9c6c6-c37b-446f-8bb6-198747b6e51e/bin/uautomizer-verify-BQ2R08f2Ya/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3bb9c6c6-c37b-446f-8bb6-198747b6e51e/bin/uautomizer-verify-BQ2R08f2Ya/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3bb9c6c6-c37b-446f-8bb6-198747b6e51e/bin/uautomizer-verify-BQ2R08f2Ya/config/AutomizerReach.xml -i ../../sv-benchmarks/c/weaver/bench-exp2x9.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3bb9c6c6-c37b-446f-8bb6-198747b6e51e/bin/uautomizer-verify-BQ2R08f2Ya/config/svcomp-DataRace-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3bb9c6c6-c37b-446f-8bb6-198747b6e51e/bin/uautomizer-verify-BQ2R08f2Ya --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 af523f24b0126267447f5590b01302c6de6f439c37a01df1dbf66192a849a6d6 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-29 01:26:18,719 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-29 01:26:18,779 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3bb9c6c6-c37b-446f-8bb6-198747b6e51e/bin/uautomizer-verify-BQ2R08f2Ya/config/svcomp-DataRace-32bit-Automizer_Default.epf [2023-11-29 01:26:18,782 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-29 01:26:18,783 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-29 01:26:18,805 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-29 01:26:18,806 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-29 01:26:18,806 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-29 01:26:18,807 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-29 01:26:18,808 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-29 01:26:18,808 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-29 01:26:18,809 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-29 01:26:18,809 INFO L153 SettingsManager]: * Use SBE=true [2023-11-29 01:26:18,810 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-29 01:26:18,811 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-29 01:26:18,811 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-29 01:26:18,812 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-29 01:26:18,812 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-29 01:26:18,813 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-29 01:26:18,813 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-29 01:26:18,814 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-29 01:26:18,818 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-29 01:26:18,818 INFO L153 SettingsManager]: * Check absence of data races in concurrent programs=true [2023-11-29 01:26:18,819 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-29 01:26:18,819 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-29 01:26:18,820 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-29 01:26:18,820 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-29 01:26:18,821 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-29 01:26:18,821 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-29 01:26:18,821 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-29 01:26:18,822 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-29 01:26:18,822 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-29 01:26:18,822 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-29 01:26:18,823 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-29 01:26:18,823 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-29 01:26:18,823 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-29 01:26:18,823 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-29 01:26:18,823 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-29 01:26:18,823 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-29 01:26:18,824 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-29 01:26:18,824 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-29 01:26:18,824 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3bb9c6c6-c37b-446f-8bb6-198747b6e51e/bin/uautomizer-verify-BQ2R08f2Ya/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3bb9c6c6-c37b-446f-8bb6-198747b6e51e/bin/uautomizer-verify-BQ2R08f2Ya Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> af523f24b0126267447f5590b01302c6de6f439c37a01df1dbf66192a849a6d6 [2023-11-29 01:26:19,052 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-29 01:26:19,073 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-29 01:26:19,075 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-29 01:26:19,076 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-29 01:26:19,076 INFO L274 PluginConnector]: CDTParser initialized [2023-11-29 01:26:19,078 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3bb9c6c6-c37b-446f-8bb6-198747b6e51e/bin/uautomizer-verify-BQ2R08f2Ya/../../sv-benchmarks/c/weaver/bench-exp2x9.wvr.c [2023-11-29 01:26:21,820 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-29 01:26:22,002 INFO L384 CDTParser]: Found 1 translation units. [2023-11-29 01:26:22,002 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3bb9c6c6-c37b-446f-8bb6-198747b6e51e/sv-benchmarks/c/weaver/bench-exp2x9.wvr.c [2023-11-29 01:26:22,011 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3bb9c6c6-c37b-446f-8bb6-198747b6e51e/bin/uautomizer-verify-BQ2R08f2Ya/data/92c863a8f/1ba7184b33394d6b9e527a3746d00432/FLAGc38c17127 [2023-11-29 01:26:22,026 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3bb9c6c6-c37b-446f-8bb6-198747b6e51e/bin/uautomizer-verify-BQ2R08f2Ya/data/92c863a8f/1ba7184b33394d6b9e527a3746d00432 [2023-11-29 01:26:22,029 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-29 01:26:22,030 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-29 01:26:22,032 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-29 01:26:22,032 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-29 01:26:22,037 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-29 01:26:22,038 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 01:26:22" (1/1) ... [2023-11-29 01:26:22,039 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3c3e8a16 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 01:26:22, skipping insertion in model container [2023-11-29 01:26:22,039 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 01:26:22" (1/1) ... [2023-11-29 01:26:22,067 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-29 01:26:22,281 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-29 01:26:22,290 INFO L202 MainTranslator]: Completed pre-run [2023-11-29 01:26:22,329 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-29 01:26:22,344 INFO L206 MainTranslator]: Completed translation [2023-11-29 01:26:22,345 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 01:26:22 WrapperNode [2023-11-29 01:26:22,345 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-29 01:26:22,346 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-29 01:26:22,347 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-29 01:26:22,347 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-29 01:26:22,355 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 01:26:22" (1/1) ... [2023-11-29 01:26:22,367 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 01:26:22" (1/1) ... [2023-11-29 01:26:22,393 INFO L138 Inliner]: procedures = 20, calls = 33, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 173 [2023-11-29 01:26:22,394 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-29 01:26:22,395 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-29 01:26:22,395 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-29 01:26:22,395 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-29 01:26:22,404 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 01:26:22" (1/1) ... [2023-11-29 01:26:22,404 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 01:26:22" (1/1) ... [2023-11-29 01:26:22,410 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 01:26:22" (1/1) ... [2023-11-29 01:26:22,410 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 01:26:22" (1/1) ... [2023-11-29 01:26:22,424 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 01:26:22" (1/1) ... [2023-11-29 01:26:22,428 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 01:26:22" (1/1) ... [2023-11-29 01:26:22,431 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 01:26:22" (1/1) ... [2023-11-29 01:26:22,433 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 01:26:22" (1/1) ... [2023-11-29 01:26:22,437 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-29 01:26:22,438 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-29 01:26:22,438 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-29 01:26:22,438 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-29 01:26:22,439 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 01:26:22" (1/1) ... [2023-11-29 01:26:22,445 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-29 01:26:22,459 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3bb9c6c6-c37b-446f-8bb6-198747b6e51e/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 01:26:22,471 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3bb9c6c6-c37b-446f-8bb6-198747b6e51e/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2023-11-29 01:26:22,480 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3bb9c6c6-c37b-446f-8bb6-198747b6e51e/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2023-11-29 01:26:22,510 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-29 01:26:22,510 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2023-11-29 01:26:22,510 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2023-11-29 01:26:22,511 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2023-11-29 01:26:22,511 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2023-11-29 01:26:22,511 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2023-11-29 01:26:22,511 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2023-11-29 01:26:22,511 INFO L130 BoogieDeclarations]: Found specification of procedure thread4 [2023-11-29 01:26:22,511 INFO L138 BoogieDeclarations]: Found implementation of procedure thread4 [2023-11-29 01:26:22,511 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-29 01:26:22,511 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-29 01:26:22,512 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-29 01:26:22,512 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-29 01:26:22,512 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-29 01:26:22,512 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-29 01:26:22,512 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-29 01:26:22,513 WARN L213 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-11-29 01:26:22,624 INFO L241 CfgBuilder]: Building ICFG [2023-11-29 01:26:22,626 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-29 01:26:23,188 INFO L282 CfgBuilder]: Performing block encoding [2023-11-29 01:26:23,210 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-29 01:26:23,210 INFO L309 CfgBuilder]: Removed 4 assume(true) statements. [2023-11-29 01:26:23,212 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 01:26:23 BoogieIcfgContainer [2023-11-29 01:26:23,213 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-29 01:26:23,216 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-29 01:26:23,216 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-29 01:26:23,219 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-29 01:26:23,219 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 29.11 01:26:22" (1/3) ... [2023-11-29 01:26:23,220 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@75fb85d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.11 01:26:23, skipping insertion in model container [2023-11-29 01:26:23,220 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 01:26:22" (2/3) ... [2023-11-29 01:26:23,221 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@75fb85d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.11 01:26:23, skipping insertion in model container [2023-11-29 01:26:23,221 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 01:26:23" (3/3) ... [2023-11-29 01:26:23,222 INFO L112 eAbstractionObserver]: Analyzing ICFG bench-exp2x9.wvr.c [2023-11-29 01:26:23,231 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2023-11-29 01:26:23,241 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-29 01:26:23,242 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 111 error locations. [2023-11-29 01:26:23,242 INFO L514 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-11-29 01:26:23,387 INFO L144 ThreadInstanceAdder]: Constructed 4 joinOtherThreadTransitions. [2023-11-29 01:26:23,433 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 586 places, 587 transitions, 1202 flow [2023-11-29 01:26:23,725 INFO L124 PetriNetUnfolderBase]: 14/583 cut-off events. [2023-11-29 01:26:23,725 INFO L125 PetriNetUnfolderBase]: For 4/4 co-relation queries the response was YES. [2023-11-29 01:26:23,751 INFO L83 FinitePrefix]: Finished finitePrefix Result has 600 conditions, 583 events. 14/583 cut-off events. For 4/4 co-relation queries the response was YES. Maximal size of possible extension queue 10. Compared 1923 event pairs, 0 based on Foata normal form. 0/458 useless extension candidates. Maximal degree in co-relation 423. Up to 2 conditions per place. [2023-11-29 01:26:23,751 INFO L82 GeneralOperation]: Start removeDead. Operand has 586 places, 587 transitions, 1202 flow [2023-11-29 01:26:23,771 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 556 places, 555 transitions, 1134 flow [2023-11-29 01:26:23,781 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-29 01:26:23,787 INFO L357 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, mHoare=true, 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;@9a047bd, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-29 01:26:23,788 INFO L358 AbstractCegarLoop]: Starting to check reachability of 207 error locations. [2023-11-29 01:26:23,792 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2023-11-29 01:26:23,792 INFO L124 PetriNetUnfolderBase]: 0/21 cut-off events. [2023-11-29 01:26:23,792 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2023-11-29 01:26:23,792 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 01:26:23,793 INFO L208 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] [2023-11-29 01:26:23,793 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 203 more)] === [2023-11-29 01:26:23,798 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 01:26:23,799 INFO L85 PathProgramCache]: Analyzing trace with hash 2134399332, now seen corresponding path program 1 times [2023-11-29 01:26:23,808 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 01:26:23,808 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [909797320] [2023-11-29 01:26:23,808 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 01:26:23,809 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 01:26:23,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:26:23,996 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 01:26:23,996 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 01:26:23,996 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [909797320] [2023-11-29 01:26:23,997 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [909797320] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 01:26:23,997 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 01:26:23,997 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-29 01:26:23,999 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [12296599] [2023-11-29 01:26:24,000 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 01:26:24,008 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 01:26:24,014 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 01:26:24,039 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 01:26:24,040 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 01:26:24,215 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 540 out of 587 [2023-11-29 01:26:24,224 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 556 places, 555 transitions, 1134 flow. Second operand has 3 states, 3 states have (on average 541.3333333333334) internal successors, (1624), 3 states have internal predecessors, (1624), 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) [2023-11-29 01:26:24,224 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 01:26:24,225 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 540 of 587 [2023-11-29 01:26:24,226 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 01:26:24,654 INFO L124 PetriNetUnfolderBase]: 76/900 cut-off events. [2023-11-29 01:26:24,654 INFO L125 PetriNetUnfolderBase]: For 84/86 co-relation queries the response was YES. [2023-11-29 01:26:24,693 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1223 conditions, 900 events. 76/900 cut-off events. For 84/86 co-relation queries the response was YES. Maximal size of possible extension queue 22. Compared 4989 event pairs, 66 based on Foata normal form. 145/853 useless extension candidates. Maximal degree in co-relation 1056. Up to 172 conditions per place. [2023-11-29 01:26:24,716 INFO L140 encePairwiseOnDemand]: 579/587 looper letters, 36 selfloop transitions, 2 changer transitions 1/549 dead transitions. [2023-11-29 01:26:24,717 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 557 places, 549 transitions, 1198 flow [2023-11-29 01:26:24,718 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 01:26:24,720 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-29 01:26:24,732 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1664 transitions. [2023-11-29 01:26:24,737 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.9449176604202157 [2023-11-29 01:26:24,738 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1664 transitions. [2023-11-29 01:26:24,739 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1664 transitions. [2023-11-29 01:26:24,742 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 01:26:24,745 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1664 transitions. [2023-11-29 01:26:24,753 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 554.6666666666666) internal successors, (1664), 3 states have internal predecessors, (1664), 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) [2023-11-29 01:26:24,763 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 587.0) internal successors, (2348), 4 states have internal predecessors, (2348), 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) [2023-11-29 01:26:24,765 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 587.0) internal successors, (2348), 4 states have internal predecessors, (2348), 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) [2023-11-29 01:26:24,767 INFO L175 Difference]: Start difference. First operand has 556 places, 555 transitions, 1134 flow. Second operand 3 states and 1664 transitions. [2023-11-29 01:26:24,768 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 557 places, 549 transitions, 1198 flow [2023-11-29 01:26:24,776 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 549 places, 549 transitions, 1182 flow, removed 0 selfloop flow, removed 8 redundant places. [2023-11-29 01:26:24,788 INFO L231 Difference]: Finished difference. Result has 549 places, 548 transitions, 1108 flow [2023-11-29 01:26:24,791 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=587, PETRI_DIFFERENCE_MINUEND_FLOW=1106, PETRI_DIFFERENCE_MINUEND_PLACES=547, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=549, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=547, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1108, PETRI_PLACES=549, PETRI_TRANSITIONS=548} [2023-11-29 01:26:24,795 INFO L281 CegarLoopForPetriNet]: 556 programPoint places, -7 predicate places. [2023-11-29 01:26:24,795 INFO L495 AbstractCegarLoop]: Abstraction has has 549 places, 548 transitions, 1108 flow [2023-11-29 01:26:24,796 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 541.3333333333334) internal successors, (1624), 3 states have internal predecessors, (1624), 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) [2023-11-29 01:26:24,797 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 01:26:24,797 INFO L208 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] [2023-11-29 01:26:24,797 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-29 01:26:24,797 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 203 more)] === [2023-11-29 01:26:24,798 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 01:26:24,798 INFO L85 PathProgramCache]: Analyzing trace with hash -570196397, now seen corresponding path program 1 times [2023-11-29 01:26:24,798 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 01:26:24,798 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1319149472] [2023-11-29 01:26:24,799 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 01:26:24,799 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 01:26:24,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:26:24,860 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 01:26:24,860 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 01:26:24,860 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1319149472] [2023-11-29 01:26:24,861 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1319149472] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 01:26:24,861 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 01:26:24,861 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-29 01:26:24,861 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1063603788] [2023-11-29 01:26:24,861 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 01:26:24,862 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 01:26:24,863 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 01:26:24,863 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 01:26:24,863 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 01:26:25,000 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 541 out of 587 [2023-11-29 01:26:25,003 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 549 places, 548 transitions, 1108 flow. Second operand has 3 states, 3 states have (on average 542.3333333333334) internal successors, (1627), 3 states have internal predecessors, (1627), 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) [2023-11-29 01:26:25,003 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 01:26:25,004 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 541 of 587 [2023-11-29 01:26:25,004 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 01:26:25,347 INFO L124 PetriNetUnfolderBase]: 76/898 cut-off events. [2023-11-29 01:26:25,347 INFO L125 PetriNetUnfolderBase]: For 26/26 co-relation queries the response was YES. [2023-11-29 01:26:25,356 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1123 conditions, 898 events. 76/898 cut-off events. For 26/26 co-relation queries the response was YES. Maximal size of possible extension queue 24. Compared 5328 event pairs, 66 based on Foata normal form. 0/707 useless extension candidates. Maximal degree in co-relation 1093. Up to 171 conditions per place. [2023-11-29 01:26:25,371 INFO L140 encePairwiseOnDemand]: 584/587 looper letters, 35 selfloop transitions, 2 changer transitions 0/547 dead transitions. [2023-11-29 01:26:25,371 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 549 places, 547 transitions, 1180 flow [2023-11-29 01:26:25,372 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 01:26:25,372 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-29 01:26:25,376 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1661 transitions. [2023-11-29 01:26:25,376 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.9432140829074389 [2023-11-29 01:26:25,377 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1661 transitions. [2023-11-29 01:26:25,377 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1661 transitions. [2023-11-29 01:26:25,378 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 01:26:25,378 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1661 transitions. [2023-11-29 01:26:25,381 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 553.6666666666666) internal successors, (1661), 3 states have internal predecessors, (1661), 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) [2023-11-29 01:26:25,385 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 587.0) internal successors, (2348), 4 states have internal predecessors, (2348), 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) [2023-11-29 01:26:25,387 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 587.0) internal successors, (2348), 4 states have internal predecessors, (2348), 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) [2023-11-29 01:26:25,387 INFO L175 Difference]: Start difference. First operand has 549 places, 548 transitions, 1108 flow. Second operand 3 states and 1661 transitions. [2023-11-29 01:26:25,387 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 549 places, 547 transitions, 1180 flow [2023-11-29 01:26:25,391 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 547 places, 547 transitions, 1176 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-11-29 01:26:25,397 INFO L231 Difference]: Finished difference. Result has 547 places, 547 transitions, 1106 flow [2023-11-29 01:26:25,398 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=587, PETRI_DIFFERENCE_MINUEND_FLOW=1102, PETRI_DIFFERENCE_MINUEND_PLACES=545, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=547, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=545, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1106, PETRI_PLACES=547, PETRI_TRANSITIONS=547} [2023-11-29 01:26:25,399 INFO L281 CegarLoopForPetriNet]: 556 programPoint places, -9 predicate places. [2023-11-29 01:26:25,399 INFO L495 AbstractCegarLoop]: Abstraction has has 547 places, 547 transitions, 1106 flow [2023-11-29 01:26:25,400 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 542.3333333333334) internal successors, (1627), 3 states have internal predecessors, (1627), 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) [2023-11-29 01:26:25,400 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 01:26:25,401 INFO L208 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] [2023-11-29 01:26:25,401 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-11-29 01:26:25,401 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 203 more)] === [2023-11-29 01:26:25,402 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 01:26:25,402 INFO L85 PathProgramCache]: Analyzing trace with hash 772372103, now seen corresponding path program 1 times [2023-11-29 01:26:25,402 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 01:26:25,402 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1388161961] [2023-11-29 01:26:25,402 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 01:26:25,403 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 01:26:25,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:26:25,456 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 01:26:25,456 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 01:26:25,456 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1388161961] [2023-11-29 01:26:25,457 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1388161961] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 01:26:25,457 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 01:26:25,457 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-29 01:26:25,457 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1882226185] [2023-11-29 01:26:25,457 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 01:26:25,458 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 01:26:25,458 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 01:26:25,459 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 01:26:25,459 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 01:26:25,573 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 540 out of 587 [2023-11-29 01:26:25,576 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 547 places, 547 transitions, 1106 flow. Second operand has 3 states, 3 states have (on average 541.3333333333334) internal successors, (1624), 3 states have internal predecessors, (1624), 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) [2023-11-29 01:26:25,577 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 01:26:25,577 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 540 of 587 [2023-11-29 01:26:25,577 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 01:26:25,908 INFO L124 PetriNetUnfolderBase]: 76/897 cut-off events. [2023-11-29 01:26:25,908 INFO L125 PetriNetUnfolderBase]: For 48/48 co-relation queries the response was YES. [2023-11-29 01:26:25,923 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1101 conditions, 897 events. 76/897 cut-off events. For 48/48 co-relation queries the response was YES. Maximal size of possible extension queue 26. Compared 5396 event pairs, 66 based on Foata normal form. 0/706 useless extension candidates. Maximal degree in co-relation 1064. Up to 172 conditions per place. [2023-11-29 01:26:25,946 INFO L140 encePairwiseOnDemand]: 584/587 looper letters, 36 selfloop transitions, 2 changer transitions 0/546 dead transitions. [2023-11-29 01:26:25,946 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 548 places, 546 transitions, 1180 flow [2023-11-29 01:26:25,946 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 01:26:25,947 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-29 01:26:25,950 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1659 transitions. [2023-11-29 01:26:25,951 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.9420783645655877 [2023-11-29 01:26:25,951 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1659 transitions. [2023-11-29 01:26:25,952 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1659 transitions. [2023-11-29 01:26:25,953 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 01:26:25,953 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1659 transitions. [2023-11-29 01:26:25,958 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 553.0) internal successors, (1659), 3 states have internal predecessors, (1659), 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) [2023-11-29 01:26:25,963 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 587.0) internal successors, (2348), 4 states have internal predecessors, (2348), 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) [2023-11-29 01:26:25,964 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 587.0) internal successors, (2348), 4 states have internal predecessors, (2348), 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) [2023-11-29 01:26:25,965 INFO L175 Difference]: Start difference. First operand has 547 places, 547 transitions, 1106 flow. Second operand 3 states and 1659 transitions. [2023-11-29 01:26:25,965 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 548 places, 546 transitions, 1180 flow [2023-11-29 01:26:25,969 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 546 places, 546 transitions, 1176 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-11-29 01:26:25,977 INFO L231 Difference]: Finished difference. Result has 546 places, 546 transitions, 1104 flow [2023-11-29 01:26:25,979 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=587, PETRI_DIFFERENCE_MINUEND_FLOW=1100, PETRI_DIFFERENCE_MINUEND_PLACES=544, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=546, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=544, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1104, PETRI_PLACES=546, PETRI_TRANSITIONS=546} [2023-11-29 01:26:25,980 INFO L281 CegarLoopForPetriNet]: 556 programPoint places, -10 predicate places. [2023-11-29 01:26:25,980 INFO L495 AbstractCegarLoop]: Abstraction has has 546 places, 546 transitions, 1104 flow [2023-11-29 01:26:25,981 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 541.3333333333334) internal successors, (1624), 3 states have internal predecessors, (1624), 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) [2023-11-29 01:26:25,981 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 01:26:25,986 INFO L208 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] [2023-11-29 01:26:25,986 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-11-29 01:26:25,986 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 203 more)] === [2023-11-29 01:26:25,987 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 01:26:25,987 INFO L85 PathProgramCache]: Analyzing trace with hash -1297497789, now seen corresponding path program 1 times [2023-11-29 01:26:25,987 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 01:26:25,987 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1093566869] [2023-11-29 01:26:25,988 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 01:26:25,988 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 01:26:26,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:26:26,039 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 01:26:26,039 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 01:26:26,040 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1093566869] [2023-11-29 01:26:26,040 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1093566869] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 01:26:26,040 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 01:26:26,040 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-29 01:26:26,041 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [546275065] [2023-11-29 01:26:26,041 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 01:26:26,041 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 01:26:26,042 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 01:26:26,042 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 01:26:26,042 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 01:26:26,153 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 541 out of 587 [2023-11-29 01:26:26,156 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 546 places, 546 transitions, 1104 flow. Second operand has 3 states, 3 states have (on average 542.3333333333334) internal successors, (1627), 3 states have internal predecessors, (1627), 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) [2023-11-29 01:26:26,156 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 01:26:26,156 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 541 of 587 [2023-11-29 01:26:26,156 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 01:26:26,471 INFO L124 PetriNetUnfolderBase]: 76/896 cut-off events. [2023-11-29 01:26:26,472 INFO L125 PetriNetUnfolderBase]: For 70/70 co-relation queries the response was YES. [2023-11-29 01:26:26,485 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1077 conditions, 896 events. 76/896 cut-off events. For 70/70 co-relation queries the response was YES. Maximal size of possible extension queue 29. Compared 5337 event pairs, 66 based on Foata normal form. 0/705 useless extension candidates. Maximal degree in co-relation 1033. Up to 171 conditions per place. [2023-11-29 01:26:26,500 INFO L140 encePairwiseOnDemand]: 584/587 looper letters, 35 selfloop transitions, 2 changer transitions 0/545 dead transitions. [2023-11-29 01:26:26,500 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 547 places, 545 transitions, 1176 flow [2023-11-29 01:26:26,501 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 01:26:26,501 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-29 01:26:26,504 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1661 transitions. [2023-11-29 01:26:26,505 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.9432140829074389 [2023-11-29 01:26:26,506 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1661 transitions. [2023-11-29 01:26:26,506 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1661 transitions. [2023-11-29 01:26:26,507 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 01:26:26,507 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1661 transitions. [2023-11-29 01:26:26,512 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 553.6666666666666) internal successors, (1661), 3 states have internal predecessors, (1661), 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) [2023-11-29 01:26:26,516 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 587.0) internal successors, (2348), 4 states have internal predecessors, (2348), 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) [2023-11-29 01:26:26,518 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 587.0) internal successors, (2348), 4 states have internal predecessors, (2348), 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) [2023-11-29 01:26:26,519 INFO L175 Difference]: Start difference. First operand has 546 places, 546 transitions, 1104 flow. Second operand 3 states and 1661 transitions. [2023-11-29 01:26:26,519 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 547 places, 545 transitions, 1176 flow [2023-11-29 01:26:26,523 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 545 places, 545 transitions, 1172 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-11-29 01:26:26,531 INFO L231 Difference]: Finished difference. Result has 545 places, 545 transitions, 1102 flow [2023-11-29 01:26:26,532 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=587, PETRI_DIFFERENCE_MINUEND_FLOW=1098, PETRI_DIFFERENCE_MINUEND_PLACES=543, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=545, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=543, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1102, PETRI_PLACES=545, PETRI_TRANSITIONS=545} [2023-11-29 01:26:26,533 INFO L281 CegarLoopForPetriNet]: 556 programPoint places, -11 predicate places. [2023-11-29 01:26:26,533 INFO L495 AbstractCegarLoop]: Abstraction has has 545 places, 545 transitions, 1102 flow [2023-11-29 01:26:26,535 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 542.3333333333334) internal successors, (1627), 3 states have internal predecessors, (1627), 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) [2023-11-29 01:26:26,535 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 01:26:26,535 INFO L208 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] [2023-11-29 01:26:26,535 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-11-29 01:26:26,535 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 203 more)] === [2023-11-29 01:26:26,536 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 01:26:26,536 INFO L85 PathProgramCache]: Analyzing trace with hash 1038763546, now seen corresponding path program 1 times [2023-11-29 01:26:26,536 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 01:26:26,536 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1618375106] [2023-11-29 01:26:26,536 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 01:26:26,537 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 01:26:26,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:26:26,578 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 01:26:26,579 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 01:26:26,579 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1618375106] [2023-11-29 01:26:26,579 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1618375106] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 01:26:26,579 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 01:26:26,579 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-29 01:26:26,580 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [908781456] [2023-11-29 01:26:26,580 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 01:26:26,580 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 01:26:26,580 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 01:26:26,581 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 01:26:26,581 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 01:26:26,609 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 561 out of 587 [2023-11-29 01:26:26,611 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 545 places, 545 transitions, 1102 flow. Second operand has 3 states, 3 states have (on average 562.3333333333334) internal successors, (1687), 3 states have internal predecessors, (1687), 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) [2023-11-29 01:26:26,612 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 01:26:26,612 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 561 of 587 [2023-11-29 01:26:26,612 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 01:26:27,492 INFO L124 PetriNetUnfolderBase]: 102/3486 cut-off events. [2023-11-29 01:26:27,493 INFO L125 PetriNetUnfolderBase]: For 15/23 co-relation queries the response was YES. [2023-11-29 01:26:27,516 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3651 conditions, 3486 events. 102/3486 cut-off events. For 15/23 co-relation queries the response was YES. Maximal size of possible extension queue 56. Compared 31363 event pairs, 51 based on Foata normal form. 0/2629 useless extension candidates. Maximal degree in co-relation 3600. Up to 144 conditions per place. [2023-11-29 01:26:27,559 INFO L140 encePairwiseOnDemand]: 584/587 looper letters, 15 selfloop transitions, 2 changer transitions 0/544 dead transitions. [2023-11-29 01:26:27,560 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 546 places, 544 transitions, 1134 flow [2023-11-29 01:26:27,560 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 01:26:27,560 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-29 01:26:27,564 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1701 transitions. [2023-11-29 01:26:27,565 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.9659284497444633 [2023-11-29 01:26:27,565 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1701 transitions. [2023-11-29 01:26:27,566 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1701 transitions. [2023-11-29 01:26:27,567 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 01:26:27,567 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1701 transitions. [2023-11-29 01:26:27,572 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 567.0) internal successors, (1701), 3 states have internal predecessors, (1701), 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) [2023-11-29 01:26:27,576 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 587.0) internal successors, (2348), 4 states have internal predecessors, (2348), 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) [2023-11-29 01:26:27,578 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 587.0) internal successors, (2348), 4 states have internal predecessors, (2348), 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) [2023-11-29 01:26:27,578 INFO L175 Difference]: Start difference. First operand has 545 places, 545 transitions, 1102 flow. Second operand 3 states and 1701 transitions. [2023-11-29 01:26:27,578 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 546 places, 544 transitions, 1134 flow [2023-11-29 01:26:27,582 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 544 places, 544 transitions, 1130 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-11-29 01:26:27,590 INFO L231 Difference]: Finished difference. Result has 544 places, 544 transitions, 1100 flow [2023-11-29 01:26:27,591 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=587, PETRI_DIFFERENCE_MINUEND_FLOW=1096, PETRI_DIFFERENCE_MINUEND_PLACES=542, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=544, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=542, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1100, PETRI_PLACES=544, PETRI_TRANSITIONS=544} [2023-11-29 01:26:27,592 INFO L281 CegarLoopForPetriNet]: 556 programPoint places, -12 predicate places. [2023-11-29 01:26:27,592 INFO L495 AbstractCegarLoop]: Abstraction has has 544 places, 544 transitions, 1100 flow [2023-11-29 01:26:27,594 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 562.3333333333334) internal successors, (1687), 3 states have internal predecessors, (1687), 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) [2023-11-29 01:26:27,594 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 01:26:27,594 INFO L208 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] [2023-11-29 01:26:27,594 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2023-11-29 01:26:27,595 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 203 more)] === [2023-11-29 01:26:27,595 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 01:26:27,595 INFO L85 PathProgramCache]: Analyzing trace with hash 379827550, now seen corresponding path program 1 times [2023-11-29 01:26:27,595 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 01:26:27,595 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1316608277] [2023-11-29 01:26:27,596 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 01:26:27,596 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 01:26:27,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:26:27,636 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 01:26:27,637 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 01:26:27,637 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1316608277] [2023-11-29 01:26:27,637 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1316608277] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 01:26:27,637 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 01:26:27,637 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-29 01:26:27,637 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [894215336] [2023-11-29 01:26:27,638 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 01:26:27,638 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 01:26:27,638 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 01:26:27,639 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 01:26:27,639 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 01:26:27,725 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 510 out of 587 [2023-11-29 01:26:27,727 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 544 places, 544 transitions, 1100 flow. Second operand has 3 states, 3 states have (on average 511.0) internal successors, (1533), 3 states have internal predecessors, (1533), 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) [2023-11-29 01:26:27,727 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 01:26:27,727 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 510 of 587 [2023-11-29 01:26:27,727 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 01:26:27,999 INFO L124 PetriNetUnfolderBase]: 121/878 cut-off events. [2023-11-29 01:26:27,999 INFO L125 PetriNetUnfolderBase]: For 4/8 co-relation queries the response was YES. [2023-11-29 01:26:28,007 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1276 conditions, 878 events. 121/878 cut-off events. For 4/8 co-relation queries the response was YES. Maximal size of possible extension queue 23. Compared 5173 event pairs, 90 based on Foata normal form. 0/751 useless extension candidates. Maximal degree in co-relation 1218. Up to 228 conditions per place. [2023-11-29 01:26:28,024 INFO L140 encePairwiseOnDemand]: 554/587 looper letters, 41 selfloop transitions, 15 changer transitions 0/530 dead transitions. [2023-11-29 01:26:28,024 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 528 places, 530 transitions, 1187 flow [2023-11-29 01:26:28,024 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 01:26:28,024 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-29 01:26:28,028 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1604 transitions. [2023-11-29 01:26:28,029 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.9108461101646792 [2023-11-29 01:26:28,029 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1604 transitions. [2023-11-29 01:26:28,030 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1604 transitions. [2023-11-29 01:26:28,031 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 01:26:28,031 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1604 transitions. [2023-11-29 01:26:28,036 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 534.6666666666666) internal successors, (1604), 3 states have internal predecessors, (1604), 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) [2023-11-29 01:26:28,040 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 587.0) internal successors, (2348), 4 states have internal predecessors, (2348), 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) [2023-11-29 01:26:28,042 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 587.0) internal successors, (2348), 4 states have internal predecessors, (2348), 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) [2023-11-29 01:26:28,042 INFO L175 Difference]: Start difference. First operand has 544 places, 544 transitions, 1100 flow. Second operand 3 states and 1604 transitions. [2023-11-29 01:26:28,043 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 528 places, 530 transitions, 1187 flow [2023-11-29 01:26:28,047 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 526 places, 530 transitions, 1183 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-11-29 01:26:28,056 INFO L231 Difference]: Finished difference. Result has 527 places, 527 transitions, 1109 flow [2023-11-29 01:26:28,057 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=587, PETRI_DIFFERENCE_MINUEND_FLOW=1060, PETRI_DIFFERENCE_MINUEND_PLACES=524, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=526, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=14, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=511, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1109, PETRI_PLACES=527, PETRI_TRANSITIONS=527} [2023-11-29 01:26:28,058 INFO L281 CegarLoopForPetriNet]: 556 programPoint places, -29 predicate places. [2023-11-29 01:26:28,058 INFO L495 AbstractCegarLoop]: Abstraction has has 527 places, 527 transitions, 1109 flow [2023-11-29 01:26:28,059 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 511.0) internal successors, (1533), 3 states have internal predecessors, (1533), 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) [2023-11-29 01:26:28,059 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 01:26:28,059 INFO L208 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] [2023-11-29 01:26:28,059 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2023-11-29 01:26:28,060 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 203 more)] === [2023-11-29 01:26:28,060 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 01:26:28,060 INFO L85 PathProgramCache]: Analyzing trace with hash -57904542, now seen corresponding path program 1 times [2023-11-29 01:26:28,060 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 01:26:28,061 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2021435905] [2023-11-29 01:26:28,061 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 01:26:28,061 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 01:26:28,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:26:28,104 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 01:26:28,104 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 01:26:28,105 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2021435905] [2023-11-29 01:26:28,105 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2021435905] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 01:26:28,105 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 01:26:28,105 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-29 01:26:28,105 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [682526328] [2023-11-29 01:26:28,105 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 01:26:28,106 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 01:26:28,106 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 01:26:28,107 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 01:26:28,107 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 01:26:28,190 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 513 out of 587 [2023-11-29 01:26:28,192 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 527 places, 527 transitions, 1109 flow. Second operand has 3 states, 3 states have (on average 514.0) internal successors, (1542), 3 states have internal predecessors, (1542), 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) [2023-11-29 01:26:28,192 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 01:26:28,192 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 513 of 587 [2023-11-29 01:26:28,192 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 01:26:28,513 INFO L124 PetriNetUnfolderBase]: 121/862 cut-off events. [2023-11-29 01:26:28,513 INFO L125 PetriNetUnfolderBase]: For 48/48 co-relation queries the response was YES. [2023-11-29 01:26:28,523 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1243 conditions, 862 events. 121/862 cut-off events. For 48/48 co-relation queries the response was YES. Maximal size of possible extension queue 29. Compared 5321 event pairs, 90 based on Foata normal form. 0/750 useless extension candidates. Maximal degree in co-relation 1098. Up to 226 conditions per place. [2023-11-29 01:26:28,533 INFO L140 encePairwiseOnDemand]: 555/587 looper letters, 39 selfloop transitions, 15 changer transitions 0/514 dead transitions. [2023-11-29 01:26:28,533 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 512 places, 514 transitions, 1194 flow [2023-11-29 01:26:28,534 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 01:26:28,534 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-29 01:26:28,538 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1610 transitions. [2023-11-29 01:26:28,538 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.9142532651902329 [2023-11-29 01:26:28,539 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1610 transitions. [2023-11-29 01:26:28,539 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1610 transitions. [2023-11-29 01:26:28,540 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 01:26:28,540 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1610 transitions. [2023-11-29 01:26:28,543 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 536.6666666666666) internal successors, (1610), 3 states have internal predecessors, (1610), 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) [2023-11-29 01:26:28,546 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 587.0) internal successors, (2348), 4 states have internal predecessors, (2348), 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) [2023-11-29 01:26:28,547 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 587.0) internal successors, (2348), 4 states have internal predecessors, (2348), 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) [2023-11-29 01:26:28,547 INFO L175 Difference]: Start difference. First operand has 527 places, 527 transitions, 1109 flow. Second operand 3 states and 1610 transitions. [2023-11-29 01:26:28,547 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 512 places, 514 transitions, 1194 flow [2023-11-29 01:26:28,551 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 511 places, 514 transitions, 1179 flow, removed 0 selfloop flow, removed 1 redundant places. [2023-11-29 01:26:28,557 INFO L231 Difference]: Finished difference. Result has 512 places, 511 transitions, 1109 flow [2023-11-29 01:26:28,558 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=587, PETRI_DIFFERENCE_MINUEND_FLOW=1060, PETRI_DIFFERENCE_MINUEND_PLACES=509, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=510, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=14, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=495, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1109, PETRI_PLACES=512, PETRI_TRANSITIONS=511} [2023-11-29 01:26:28,559 INFO L281 CegarLoopForPetriNet]: 556 programPoint places, -44 predicate places. [2023-11-29 01:26:28,559 INFO L495 AbstractCegarLoop]: Abstraction has has 512 places, 511 transitions, 1109 flow [2023-11-29 01:26:28,560 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 514.0) internal successors, (1542), 3 states have internal predecessors, (1542), 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) [2023-11-29 01:26:28,560 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 01:26:28,560 INFO L208 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] [2023-11-29 01:26:28,560 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2023-11-29 01:26:28,560 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 203 more)] === [2023-11-29 01:26:28,561 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 01:26:28,561 INFO L85 PathProgramCache]: Analyzing trace with hash 117963085, now seen corresponding path program 1 times [2023-11-29 01:26:28,561 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 01:26:28,561 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [54959570] [2023-11-29 01:26:28,561 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 01:26:28,562 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 01:26:28,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:26:28,607 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 01:26:28,608 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 01:26:28,608 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [54959570] [2023-11-29 01:26:28,608 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [54959570] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 01:26:28,608 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 01:26:28,608 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-29 01:26:28,609 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1676821478] [2023-11-29 01:26:28,609 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 01:26:28,609 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 01:26:28,610 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 01:26:28,610 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 01:26:28,610 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 01:26:28,701 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 510 out of 587 [2023-11-29 01:26:28,704 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 512 places, 511 transitions, 1109 flow. Second operand has 3 states, 3 states have (on average 511.0) internal successors, (1533), 3 states have internal predecessors, (1533), 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) [2023-11-29 01:26:28,704 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 01:26:28,704 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 510 of 587 [2023-11-29 01:26:28,704 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 01:26:29,161 INFO L124 PetriNetUnfolderBase]: 129/1358 cut-off events. [2023-11-29 01:26:29,161 INFO L125 PetriNetUnfolderBase]: For 94/98 co-relation queries the response was YES. [2023-11-29 01:26:29,183 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1772 conditions, 1358 events. 129/1358 cut-off events. For 94/98 co-relation queries the response was YES. Maximal size of possible extension queue 39. Compared 9356 event pairs, 51 based on Foata normal form. 0/1171 useless extension candidates. Maximal degree in co-relation 1537. Up to 232 conditions per place. [2023-11-29 01:26:29,206 INFO L140 encePairwiseOnDemand]: 553/587 looper letters, 44 selfloop transitions, 16 changer transitions 0/501 dead transitions. [2023-11-29 01:26:29,206 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 496 places, 501 transitions, 1215 flow [2023-11-29 01:26:29,207 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 01:26:29,207 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-29 01:26:29,211 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1608 transitions. [2023-11-29 01:26:29,212 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.9131175468483816 [2023-11-29 01:26:29,212 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1608 transitions. [2023-11-29 01:26:29,212 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1608 transitions. [2023-11-29 01:26:29,213 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 01:26:29,213 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1608 transitions. [2023-11-29 01:26:29,216 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 536.0) internal successors, (1608), 3 states have internal predecessors, (1608), 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) [2023-11-29 01:26:29,246 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 587.0) internal successors, (2348), 4 states have internal predecessors, (2348), 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) [2023-11-29 01:26:29,246 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 587.0) internal successors, (2348), 4 states have internal predecessors, (2348), 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) [2023-11-29 01:26:29,247 INFO L175 Difference]: Start difference. First operand has 512 places, 511 transitions, 1109 flow. Second operand 3 states and 1608 transitions. [2023-11-29 01:26:29,247 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 496 places, 501 transitions, 1215 flow [2023-11-29 01:26:29,250 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 495 places, 501 transitions, 1200 flow, removed 0 selfloop flow, removed 1 redundant places. [2023-11-29 01:26:29,255 INFO L231 Difference]: Finished difference. Result has 496 places, 495 transitions, 1114 flow [2023-11-29 01:26:29,256 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=587, PETRI_DIFFERENCE_MINUEND_FLOW=1058, PETRI_DIFFERENCE_MINUEND_PLACES=493, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=493, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=14, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=477, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1114, PETRI_PLACES=496, PETRI_TRANSITIONS=495} [2023-11-29 01:26:29,256 INFO L281 CegarLoopForPetriNet]: 556 programPoint places, -60 predicate places. [2023-11-29 01:26:29,257 INFO L495 AbstractCegarLoop]: Abstraction has has 496 places, 495 transitions, 1114 flow [2023-11-29 01:26:29,257 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 511.0) internal successors, (1533), 3 states have internal predecessors, (1533), 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) [2023-11-29 01:26:29,257 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 01:26:29,258 INFO L208 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] [2023-11-29 01:26:29,258 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2023-11-29 01:26:29,258 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 203 more)] === [2023-11-29 01:26:29,258 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 01:26:29,258 INFO L85 PathProgramCache]: Analyzing trace with hash 1693413895, now seen corresponding path program 1 times [2023-11-29 01:26:29,258 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 01:26:29,259 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [204510185] [2023-11-29 01:26:29,259 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 01:26:29,259 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 01:26:29,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:26:29,321 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 01:26:29,321 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 01:26:29,321 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [204510185] [2023-11-29 01:26:29,321 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [204510185] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 01:26:29,321 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 01:26:29,322 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-29 01:26:29,322 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1195442960] [2023-11-29 01:26:29,322 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 01:26:29,322 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-29 01:26:29,323 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 01:26:29,323 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-29 01:26:29,323 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-29 01:26:29,339 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 560 out of 587 [2023-11-29 01:26:29,342 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 496 places, 495 transitions, 1114 flow. Second operand has 4 states, 4 states have (on average 561.25) internal successors, (2245), 4 states have internal predecessors, (2245), 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) [2023-11-29 01:26:29,342 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 01:26:29,342 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 560 of 587 [2023-11-29 01:26:29,342 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 01:26:29,533 INFO L124 PetriNetUnfolderBase]: 12/846 cut-off events. [2023-11-29 01:26:29,533 INFO L125 PetriNetUnfolderBase]: For 13/13 co-relation queries the response was YES. [2023-11-29 01:26:29,543 INFO L83 FinitePrefix]: Finished finitePrefix Result has 983 conditions, 846 events. 12/846 cut-off events. For 13/13 co-relation queries the response was YES. Maximal size of possible extension queue 15. Compared 4003 event pairs, 0 based on Foata normal form. 0/740 useless extension candidates. Maximal degree in co-relation 687. Up to 26 conditions per place. [2023-11-29 01:26:29,548 INFO L140 encePairwiseOnDemand]: 581/587 looper letters, 19 selfloop transitions, 5 changer transitions 0/500 dead transitions. [2023-11-29 01:26:29,548 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 500 places, 500 transitions, 1172 flow [2023-11-29 01:26:29,549 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-29 01:26:29,549 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2023-11-29 01:26:29,554 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 2825 transitions. [2023-11-29 01:26:29,555 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.9625212947189097 [2023-11-29 01:26:29,555 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 2825 transitions. [2023-11-29 01:26:29,555 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 2825 transitions. [2023-11-29 01:26:29,557 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 01:26:29,557 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 2825 transitions. [2023-11-29 01:26:29,561 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 565.0) internal successors, (2825), 5 states have internal predecessors, (2825), 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) [2023-11-29 01:26:29,565 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 587.0) internal successors, (3522), 6 states have internal predecessors, (3522), 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) [2023-11-29 01:26:29,566 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 587.0) internal successors, (3522), 6 states have internal predecessors, (3522), 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) [2023-11-29 01:26:29,566 INFO L175 Difference]: Start difference. First operand has 496 places, 495 transitions, 1114 flow. Second operand 5 states and 2825 transitions. [2023-11-29 01:26:29,566 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 500 places, 500 transitions, 1172 flow [2023-11-29 01:26:29,571 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 499 places, 500 transitions, 1156 flow, removed 0 selfloop flow, removed 1 redundant places. [2023-11-29 01:26:29,575 INFO L231 Difference]: Finished difference. Result has 503 places, 499 transitions, 1136 flow [2023-11-29 01:26:29,576 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=587, PETRI_DIFFERENCE_MINUEND_FLOW=1098, PETRI_DIFFERENCE_MINUEND_PLACES=495, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=495, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=490, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=1136, PETRI_PLACES=503, PETRI_TRANSITIONS=499} [2023-11-29 01:26:29,577 INFO L281 CegarLoopForPetriNet]: 556 programPoint places, -53 predicate places. [2023-11-29 01:26:29,577 INFO L495 AbstractCegarLoop]: Abstraction has has 503 places, 499 transitions, 1136 flow [2023-11-29 01:26:29,578 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 561.25) internal successors, (2245), 4 states have internal predecessors, (2245), 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) [2023-11-29 01:26:29,578 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 01:26:29,578 INFO L208 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] [2023-11-29 01:26:29,578 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2023-11-29 01:26:29,578 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 203 more)] === [2023-11-29 01:26:29,578 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 01:26:29,578 INFO L85 PathProgramCache]: Analyzing trace with hash 563466835, now seen corresponding path program 1 times [2023-11-29 01:26:29,579 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 01:26:29,579 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1782814136] [2023-11-29 01:26:29,579 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 01:26:29,579 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 01:26:29,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:26:29,617 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 01:26:29,618 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 01:26:29,618 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1782814136] [2023-11-29 01:26:29,618 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1782814136] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 01:26:29,618 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 01:26:29,618 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-29 01:26:29,618 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1042742269] [2023-11-29 01:26:29,619 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 01:26:29,619 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 01:26:29,619 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 01:26:29,620 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 01:26:29,620 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 01:26:29,703 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 513 out of 587 [2023-11-29 01:26:29,704 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 503 places, 499 transitions, 1136 flow. Second operand has 3 states, 3 states have (on average 514.0) internal successors, (1542), 3 states have internal predecessors, (1542), 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) [2023-11-29 01:26:29,705 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 01:26:29,705 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 513 of 587 [2023-11-29 01:26:29,705 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 01:26:30,126 INFO L124 PetriNetUnfolderBase]: 208/1851 cut-off events. [2023-11-29 01:26:30,126 INFO L125 PetriNetUnfolderBase]: For 198/202 co-relation queries the response was YES. [2023-11-29 01:26:30,142 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2497 conditions, 1851 events. 208/1851 cut-off events. For 198/202 co-relation queries the response was YES. Maximal size of possible extension queue 65. Compared 14364 event pairs, 91 based on Foata normal form. 1/1662 useless extension candidates. Maximal degree in co-relation 1996. Up to 380 conditions per place. [2023-11-29 01:26:30,153 INFO L140 encePairwiseOnDemand]: 555/587 looper letters, 40 selfloop transitions, 15 changer transitions 11/490 dead transitions. [2023-11-29 01:26:30,153 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 488 places, 490 transitions, 1239 flow [2023-11-29 01:26:30,155 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 01:26:30,155 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-29 01:26:30,157 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1613 transitions. [2023-11-29 01:26:30,158 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.9159568427030097 [2023-11-29 01:26:30,158 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1613 transitions. [2023-11-29 01:26:30,158 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1613 transitions. [2023-11-29 01:26:30,159 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 01:26:30,159 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1613 transitions. [2023-11-29 01:26:30,163 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 537.6666666666666) internal successors, (1613), 3 states have internal predecessors, (1613), 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) [2023-11-29 01:26:30,165 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 587.0) internal successors, (2348), 4 states have internal predecessors, (2348), 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) [2023-11-29 01:26:30,165 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 587.0) internal successors, (2348), 4 states have internal predecessors, (2348), 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) [2023-11-29 01:26:30,165 INFO L175 Difference]: Start difference. First operand has 503 places, 499 transitions, 1136 flow. Second operand 3 states and 1613 transitions. [2023-11-29 01:26:30,166 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 488 places, 490 transitions, 1239 flow [2023-11-29 01:26:30,169 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 488 places, 490 transitions, 1239 flow, removed 0 selfloop flow, removed 0 redundant places. [2023-11-29 01:26:30,174 INFO L231 Difference]: Finished difference. Result has 489 places, 472 transitions, 1128 flow [2023-11-29 01:26:30,175 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=587, PETRI_DIFFERENCE_MINUEND_FLOW=1102, PETRI_DIFFERENCE_MINUEND_PLACES=486, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=482, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=14, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=467, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1128, PETRI_PLACES=489, PETRI_TRANSITIONS=472} [2023-11-29 01:26:30,175 INFO L281 CegarLoopForPetriNet]: 556 programPoint places, -67 predicate places. [2023-11-29 01:26:30,175 INFO L495 AbstractCegarLoop]: Abstraction has has 489 places, 472 transitions, 1128 flow [2023-11-29 01:26:30,176 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 514.0) internal successors, (1542), 3 states have internal predecessors, (1542), 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) [2023-11-29 01:26:30,176 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 01:26:30,176 INFO L208 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] [2023-11-29 01:26:30,176 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2023-11-29 01:26:30,176 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting thread1Err1ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 203 more)] === [2023-11-29 01:26:30,177 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 01:26:30,177 INFO L85 PathProgramCache]: Analyzing trace with hash 471700510, now seen corresponding path program 1 times [2023-11-29 01:26:30,177 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 01:26:30,177 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1637268057] [2023-11-29 01:26:30,177 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 01:26:30,177 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 01:26:30,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:26:30,223 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 01:26:30,223 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 01:26:30,223 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1637268057] [2023-11-29 01:26:30,223 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1637268057] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 01:26:30,224 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 01:26:30,224 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-29 01:26:30,224 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1846952922] [2023-11-29 01:26:30,224 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 01:26:30,224 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 01:26:30,225 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 01:26:30,225 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 01:26:30,225 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 01:26:30,241 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 559 out of 587 [2023-11-29 01:26:30,243 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 489 places, 472 transitions, 1128 flow. Second operand has 3 states, 3 states have (on average 560.3333333333334) internal successors, (1681), 3 states have internal predecessors, (1681), 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) [2023-11-29 01:26:30,243 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 01:26:30,243 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 559 of 587 [2023-11-29 01:26:30,243 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 01:26:32,753 INFO L124 PetriNetUnfolderBase]: 746/14537 cut-off events. [2023-11-29 01:26:32,753 INFO L125 PetriNetUnfolderBase]: For 439/471 co-relation queries the response was YES. [2023-11-29 01:26:32,831 INFO L83 FinitePrefix]: Finished finitePrefix Result has 18525 conditions, 14537 events. 746/14537 cut-off events. For 439/471 co-relation queries the response was YES. Maximal size of possible extension queue 218. Compared 189349 event pairs, 276 based on Foata normal form. 3/12991 useless extension candidates. Maximal degree in co-relation 14079. Up to 1027 conditions per place. [2023-11-29 01:26:32,881 INFO L140 encePairwiseOnDemand]: 579/587 looper letters, 19 selfloop transitions, 4 changer transitions 0/475 dead transitions. [2023-11-29 01:26:32,881 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 476 places, 475 transitions, 1183 flow [2023-11-29 01:26:32,881 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 01:26:32,881 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-29 01:26:32,884 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1704 transitions. [2023-11-29 01:26:32,885 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.9676320272572402 [2023-11-29 01:26:32,885 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1704 transitions. [2023-11-29 01:26:32,885 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1704 transitions. [2023-11-29 01:26:32,886 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 01:26:32,886 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1704 transitions. [2023-11-29 01:26:32,888 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 568.0) internal successors, (1704), 3 states have internal predecessors, (1704), 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) [2023-11-29 01:26:32,890 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 587.0) internal successors, (2348), 4 states have internal predecessors, (2348), 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) [2023-11-29 01:26:32,891 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 587.0) internal successors, (2348), 4 states have internal predecessors, (2348), 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) [2023-11-29 01:26:32,891 INFO L175 Difference]: Start difference. First operand has 489 places, 472 transitions, 1128 flow. Second operand 3 states and 1704 transitions. [2023-11-29 01:26:32,891 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 476 places, 475 transitions, 1183 flow [2023-11-29 01:26:32,901 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 475 places, 475 transitions, 1168 flow, removed 0 selfloop flow, removed 1 redundant places. [2023-11-29 01:26:32,905 INFO L231 Difference]: Finished difference. Result has 476 places, 472 transitions, 1133 flow [2023-11-29 01:26:32,906 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=587, PETRI_DIFFERENCE_MINUEND_FLOW=1105, PETRI_DIFFERENCE_MINUEND_PLACES=473, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=468, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=464, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1133, PETRI_PLACES=476, PETRI_TRANSITIONS=472} [2023-11-29 01:26:32,906 INFO L281 CegarLoopForPetriNet]: 556 programPoint places, -80 predicate places. [2023-11-29 01:26:32,907 INFO L495 AbstractCegarLoop]: Abstraction has has 476 places, 472 transitions, 1133 flow [2023-11-29 01:26:32,907 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 560.3333333333334) internal successors, (1681), 3 states have internal predecessors, (1681), 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) [2023-11-29 01:26:32,907 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 01:26:32,907 INFO L208 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] [2023-11-29 01:26:32,907 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2023-11-29 01:26:32,907 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting thread1Err4ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 203 more)] === [2023-11-29 01:26:32,908 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 01:26:32,908 INFO L85 PathProgramCache]: Analyzing trace with hash 1751667583, now seen corresponding path program 1 times [2023-11-29 01:26:32,908 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 01:26:32,908 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1228587053] [2023-11-29 01:26:32,908 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 01:26:32,908 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 01:26:32,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:26:32,952 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 01:26:32,952 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 01:26:32,952 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1228587053] [2023-11-29 01:26:32,952 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1228587053] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 01:26:32,952 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 01:26:32,953 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-29 01:26:32,953 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [726325379] [2023-11-29 01:26:32,953 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 01:26:32,953 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 01:26:32,953 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 01:26:32,954 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 01:26:32,954 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 01:26:33,064 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 542 out of 587 [2023-11-29 01:26:33,066 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 476 places, 472 transitions, 1133 flow. Second operand has 3 states, 3 states have (on average 545.0) internal successors, (1635), 3 states have internal predecessors, (1635), 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) [2023-11-29 01:26:33,066 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 01:26:33,066 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 542 of 587 [2023-11-29 01:26:33,066 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 01:26:34,107 INFO L124 PetriNetUnfolderBase]: 365/4440 cut-off events. [2023-11-29 01:26:34,107 INFO L125 PetriNetUnfolderBase]: For 169/175 co-relation queries the response was YES. [2023-11-29 01:26:34,148 INFO L83 FinitePrefix]: Finished finitePrefix Result has 6180 conditions, 4440 events. 365/4440 cut-off events. For 169/175 co-relation queries the response was YES. Maximal size of possible extension queue 91. Compared 44070 event pairs, 226 based on Foata normal form. 0/4000 useless extension candidates. Maximal degree in co-relation 4239. Up to 528 conditions per place. [2023-11-29 01:26:34,178 INFO L140 encePairwiseOnDemand]: 584/587 looper letters, 37 selfloop transitions, 2 changer transitions 0/474 dead transitions. [2023-11-29 01:26:34,178 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 477 places, 474 transitions, 1218 flow [2023-11-29 01:26:34,179 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 01:26:34,179 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-29 01:26:34,182 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1665 transitions. [2023-11-29 01:26:34,183 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.9454855195911414 [2023-11-29 01:26:34,183 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1665 transitions. [2023-11-29 01:26:34,183 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1665 transitions. [2023-11-29 01:26:34,184 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 01:26:34,185 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1665 transitions. [2023-11-29 01:26:34,188 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 555.0) internal successors, (1665), 3 states have internal predecessors, (1665), 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) [2023-11-29 01:26:34,191 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 587.0) internal successors, (2348), 4 states have internal predecessors, (2348), 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) [2023-11-29 01:26:34,191 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 587.0) internal successors, (2348), 4 states have internal predecessors, (2348), 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) [2023-11-29 01:26:34,191 INFO L175 Difference]: Start difference. First operand has 476 places, 472 transitions, 1133 flow. Second operand 3 states and 1665 transitions. [2023-11-29 01:26:34,191 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 477 places, 474 transitions, 1218 flow [2023-11-29 01:26:34,197 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 477 places, 474 transitions, 1218 flow, removed 0 selfloop flow, removed 0 redundant places. [2023-11-29 01:26:34,203 INFO L231 Difference]: Finished difference. Result has 477 places, 471 transitions, 1135 flow [2023-11-29 01:26:34,203 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=587, PETRI_DIFFERENCE_MINUEND_FLOW=1131, PETRI_DIFFERENCE_MINUEND_PLACES=475, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=471, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=469, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1135, PETRI_PLACES=477, PETRI_TRANSITIONS=471} [2023-11-29 01:26:34,204 INFO L281 CegarLoopForPetriNet]: 556 programPoint places, -79 predicate places. [2023-11-29 01:26:34,204 INFO L495 AbstractCegarLoop]: Abstraction has has 477 places, 471 transitions, 1135 flow [2023-11-29 01:26:34,205 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 545.0) internal successors, (1635), 3 states have internal predecessors, (1635), 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) [2023-11-29 01:26:34,205 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 01:26:34,205 INFO L208 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] [2023-11-29 01:26:34,206 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2023-11-29 01:26:34,206 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting thread2Err4ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 203 more)] === [2023-11-29 01:26:34,206 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 01:26:34,206 INFO L85 PathProgramCache]: Analyzing trace with hash 467621995, now seen corresponding path program 1 times [2023-11-29 01:26:34,206 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 01:26:34,206 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1602694095] [2023-11-29 01:26:34,207 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 01:26:34,207 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 01:26:34,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:26:34,248 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 01:26:34,248 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 01:26:34,249 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1602694095] [2023-11-29 01:26:34,249 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1602694095] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 01:26:34,249 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 01:26:34,249 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-29 01:26:34,249 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1626472719] [2023-11-29 01:26:34,250 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 01:26:34,250 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 01:26:34,251 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 01:26:34,251 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 01:26:34,251 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 01:26:34,363 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 543 out of 587 [2023-11-29 01:26:34,365 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 477 places, 471 transitions, 1135 flow. Second operand has 3 states, 3 states have (on average 546.3333333333334) internal successors, (1639), 3 states have internal predecessors, (1639), 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) [2023-11-29 01:26:34,365 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 01:26:34,365 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 543 of 587 [2023-11-29 01:26:34,365 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 01:26:36,014 INFO L124 PetriNetUnfolderBase]: 689/6161 cut-off events. [2023-11-29 01:26:36,014 INFO L125 PetriNetUnfolderBase]: For 586/589 co-relation queries the response was YES. [2023-11-29 01:26:36,068 INFO L83 FinitePrefix]: Finished finitePrefix Result has 9023 conditions, 6161 events. 689/6161 cut-off events. For 586/589 co-relation queries the response was YES. Maximal size of possible extension queue 148. Compared 67635 event pairs, 499 based on Foata normal form. 0/5569 useless extension candidates. Maximal degree in co-relation 8714. Up to 1234 conditions per place. [2023-11-29 01:26:36,102 INFO L140 encePairwiseOnDemand]: 584/587 looper letters, 36 selfloop transitions, 2 changer transitions 0/473 dead transitions. [2023-11-29 01:26:36,103 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 478 places, 473 transitions, 1218 flow [2023-11-29 01:26:36,103 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 01:26:36,103 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-29 01:26:36,106 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1667 transitions. [2023-11-29 01:26:36,107 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.9466212379329926 [2023-11-29 01:26:36,107 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1667 transitions. [2023-11-29 01:26:36,107 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1667 transitions. [2023-11-29 01:26:36,108 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 01:26:36,108 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1667 transitions. [2023-11-29 01:26:36,112 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 555.6666666666666) internal successors, (1667), 3 states have internal predecessors, (1667), 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) [2023-11-29 01:26:36,115 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 587.0) internal successors, (2348), 4 states have internal predecessors, (2348), 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) [2023-11-29 01:26:36,116 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 587.0) internal successors, (2348), 4 states have internal predecessors, (2348), 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) [2023-11-29 01:26:36,116 INFO L175 Difference]: Start difference. First operand has 477 places, 471 transitions, 1135 flow. Second operand 3 states and 1667 transitions. [2023-11-29 01:26:36,116 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 478 places, 473 transitions, 1218 flow [2023-11-29 01:26:36,122 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 476 places, 473 transitions, 1214 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-11-29 01:26:36,129 INFO L231 Difference]: Finished difference. Result has 476 places, 470 transitions, 1133 flow [2023-11-29 01:26:36,130 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=587, PETRI_DIFFERENCE_MINUEND_FLOW=1129, PETRI_DIFFERENCE_MINUEND_PLACES=474, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=470, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=468, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1133, PETRI_PLACES=476, PETRI_TRANSITIONS=470} [2023-11-29 01:26:36,130 INFO L281 CegarLoopForPetriNet]: 556 programPoint places, -80 predicate places. [2023-11-29 01:26:36,131 INFO L495 AbstractCegarLoop]: Abstraction has has 476 places, 470 transitions, 1133 flow [2023-11-29 01:26:36,131 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 546.3333333333334) internal successors, (1639), 3 states have internal predecessors, (1639), 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) [2023-11-29 01:26:36,131 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 01:26:36,132 INFO L208 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] [2023-11-29 01:26:36,132 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2023-11-29 01:26:36,132 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting thread1Err7ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 203 more)] === [2023-11-29 01:26:36,132 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 01:26:36,132 INFO L85 PathProgramCache]: Analyzing trace with hash 206523210, now seen corresponding path program 1 times [2023-11-29 01:26:36,132 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 01:26:36,133 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [539480214] [2023-11-29 01:26:36,133 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 01:26:36,133 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 01:26:36,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:26:36,175 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 01:26:36,176 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 01:26:36,176 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [539480214] [2023-11-29 01:26:36,176 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [539480214] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 01:26:36,176 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 01:26:36,176 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-29 01:26:36,176 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1437121196] [2023-11-29 01:26:36,177 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 01:26:36,177 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 01:26:36,177 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 01:26:36,177 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 01:26:36,178 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 01:26:36,271 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 542 out of 587 [2023-11-29 01:26:36,273 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 476 places, 470 transitions, 1133 flow. Second operand has 3 states, 3 states have (on average 546.0) internal successors, (1638), 3 states have internal predecessors, (1638), 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) [2023-11-29 01:26:36,273 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 01:26:36,273 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 542 of 587 [2023-11-29 01:26:36,273 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 01:26:37,350 INFO L124 PetriNetUnfolderBase]: 365/4416 cut-off events. [2023-11-29 01:26:37,350 INFO L125 PetriNetUnfolderBase]: For 181/187 co-relation queries the response was YES. [2023-11-29 01:26:37,392 INFO L83 FinitePrefix]: Finished finitePrefix Result has 6181 conditions, 4416 events. 365/4416 cut-off events. For 181/187 co-relation queries the response was YES. Maximal size of possible extension queue 89. Compared 43835 event pairs, 226 based on Foata normal form. 0/4000 useless extension candidates. Maximal degree in co-relation 5149. Up to 528 conditions per place. [2023-11-29 01:26:37,419 INFO L140 encePairwiseOnDemand]: 584/587 looper letters, 37 selfloop transitions, 2 changer transitions 0/472 dead transitions. [2023-11-29 01:26:37,420 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 477 places, 472 transitions, 1218 flow [2023-11-29 01:26:37,420 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 01:26:37,420 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-29 01:26:37,424 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1665 transitions. [2023-11-29 01:26:37,425 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.9454855195911414 [2023-11-29 01:26:37,425 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1665 transitions. [2023-11-29 01:26:37,425 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1665 transitions. [2023-11-29 01:26:37,427 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 01:26:37,427 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1665 transitions. [2023-11-29 01:26:37,431 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 555.0) internal successors, (1665), 3 states have internal predecessors, (1665), 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) [2023-11-29 01:26:37,435 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 587.0) internal successors, (2348), 4 states have internal predecessors, (2348), 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) [2023-11-29 01:26:37,436 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 587.0) internal successors, (2348), 4 states have internal predecessors, (2348), 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) [2023-11-29 01:26:37,436 INFO L175 Difference]: Start difference. First operand has 476 places, 470 transitions, 1133 flow. Second operand 3 states and 1665 transitions. [2023-11-29 01:26:37,436 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 477 places, 472 transitions, 1218 flow [2023-11-29 01:26:37,444 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 475 places, 472 transitions, 1214 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-11-29 01:26:37,452 INFO L231 Difference]: Finished difference. Result has 475 places, 469 transitions, 1131 flow [2023-11-29 01:26:37,453 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=587, PETRI_DIFFERENCE_MINUEND_FLOW=1127, PETRI_DIFFERENCE_MINUEND_PLACES=473, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=469, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=467, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1131, PETRI_PLACES=475, PETRI_TRANSITIONS=469} [2023-11-29 01:26:37,453 INFO L281 CegarLoopForPetriNet]: 556 programPoint places, -81 predicate places. [2023-11-29 01:26:37,453 INFO L495 AbstractCegarLoop]: Abstraction has has 475 places, 469 transitions, 1131 flow [2023-11-29 01:26:37,455 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 546.0) internal successors, (1638), 3 states have internal predecessors, (1638), 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) [2023-11-29 01:26:37,455 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 01:26:37,455 INFO L208 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] [2023-11-29 01:26:37,455 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2023-11-29 01:26:37,455 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr11ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 203 more)] === [2023-11-29 01:26:37,455 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 01:26:37,456 INFO L85 PathProgramCache]: Analyzing trace with hash -490192753, now seen corresponding path program 1 times [2023-11-29 01:26:37,456 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 01:26:37,456 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [812501595] [2023-11-29 01:26:37,456 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 01:26:37,456 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 01:26:37,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:26:38,101 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 01:26:38,101 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 01:26:38,101 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [812501595] [2023-11-29 01:26:38,102 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [812501595] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 01:26:38,102 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 01:26:38,102 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-29 01:26:38,102 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [392320374] [2023-11-29 01:26:38,102 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 01:26:38,103 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-29 01:26:38,103 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 01:26:38,103 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-29 01:26:38,104 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-11-29 01:26:38,341 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 562 out of 587 [2023-11-29 01:26:38,345 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 475 places, 469 transitions, 1131 flow. Second operand has 6 states, 6 states have (on average 563.8333333333334) internal successors, (3383), 6 states have internal predecessors, (3383), 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) [2023-11-29 01:26:38,345 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 01:26:38,345 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 562 of 587 [2023-11-29 01:26:38,345 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 01:26:38,997 INFO L124 PetriNetUnfolderBase]: 88/2701 cut-off events. [2023-11-29 01:26:38,997 INFO L125 PetriNetUnfolderBase]: For 17/17 co-relation queries the response was YES. [2023-11-29 01:26:39,025 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3341 conditions, 2701 events. 88/2701 cut-off events. For 17/17 co-relation queries the response was YES. Maximal size of possible extension queue 43. Compared 22624 event pairs, 8 based on Foata normal form. 0/2427 useless extension candidates. Maximal degree in co-relation 3090. Up to 112 conditions per place. [2023-11-29 01:26:39,035 INFO L140 encePairwiseOnDemand]: 582/587 looper letters, 10 selfloop transitions, 4 changer transitions 0/468 dead transitions. [2023-11-29 01:26:39,035 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 479 places, 468 transitions, 1157 flow [2023-11-29 01:26:39,036 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-29 01:26:39,036 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-11-29 01:26:39,041 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 3387 transitions. [2023-11-29 01:26:39,042 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.9616695059625213 [2023-11-29 01:26:39,042 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 3387 transitions. [2023-11-29 01:26:39,042 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 3387 transitions. [2023-11-29 01:26:39,044 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 01:26:39,044 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 3387 transitions. [2023-11-29 01:26:39,049 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 564.5) internal successors, (3387), 6 states have internal predecessors, (3387), 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) [2023-11-29 01:26:39,055 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 587.0) internal successors, (4109), 7 states have internal predecessors, (4109), 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) [2023-11-29 01:26:39,056 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 587.0) internal successors, (4109), 7 states have internal predecessors, (4109), 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) [2023-11-29 01:26:39,056 INFO L175 Difference]: Start difference. First operand has 475 places, 469 transitions, 1131 flow. Second operand 6 states and 3387 transitions. [2023-11-29 01:26:39,056 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 479 places, 468 transitions, 1157 flow [2023-11-29 01:26:39,060 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 477 places, 468 transitions, 1153 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-11-29 01:26:39,064 INFO L231 Difference]: Finished difference. Result has 477 places, 468 transitions, 1133 flow [2023-11-29 01:26:39,065 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=587, PETRI_DIFFERENCE_MINUEND_FLOW=1125, PETRI_DIFFERENCE_MINUEND_PLACES=472, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=468, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=464, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=1133, PETRI_PLACES=477, PETRI_TRANSITIONS=468} [2023-11-29 01:26:39,066 INFO L281 CegarLoopForPetriNet]: 556 programPoint places, -79 predicate places. [2023-11-29 01:26:39,066 INFO L495 AbstractCegarLoop]: Abstraction has has 477 places, 468 transitions, 1133 flow [2023-11-29 01:26:39,067 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 563.8333333333334) internal successors, (3383), 6 states have internal predecessors, (3383), 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) [2023-11-29 01:26:39,067 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 01:26:39,067 INFO L208 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] [2023-11-29 01:26:39,067 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2023-11-29 01:26:39,067 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting thread3Err4ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 203 more)] === [2023-11-29 01:26:39,068 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 01:26:39,068 INFO L85 PathProgramCache]: Analyzing trace with hash -228441037, now seen corresponding path program 1 times [2023-11-29 01:26:39,068 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 01:26:39,068 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1619147331] [2023-11-29 01:26:39,068 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 01:26:39,068 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 01:26:39,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:26:39,104 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 01:26:39,104 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 01:26:39,104 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1619147331] [2023-11-29 01:26:39,104 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1619147331] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 01:26:39,104 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 01:26:39,104 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-29 01:26:39,105 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [857933495] [2023-11-29 01:26:39,105 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 01:26:39,105 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 01:26:39,105 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 01:26:39,106 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 01:26:39,106 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 01:26:39,200 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 542 out of 587 [2023-11-29 01:26:39,201 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 477 places, 468 transitions, 1133 flow. Second operand has 3 states, 3 states have (on average 545.3333333333334) internal successors, (1636), 3 states have internal predecessors, (1636), 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) [2023-11-29 01:26:39,201 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 01:26:39,201 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 542 of 587 [2023-11-29 01:26:39,201 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 01:26:40,391 INFO L124 PetriNetUnfolderBase]: 464/4571 cut-off events. [2023-11-29 01:26:40,392 INFO L125 PetriNetUnfolderBase]: For 481/490 co-relation queries the response was YES. [2023-11-29 01:26:40,446 INFO L83 FinitePrefix]: Finished finitePrefix Result has 6582 conditions, 4571 events. 464/4571 cut-off events. For 481/490 co-relation queries the response was YES. Maximal size of possible extension queue 113. Compared 46770 event pairs, 316 based on Foata normal form. 0/4139 useless extension candidates. Maximal degree in co-relation 4788. Up to 853 conditions per place. [2023-11-29 01:26:40,477 INFO L140 encePairwiseOnDemand]: 584/587 looper letters, 38 selfloop transitions, 2 changer transitions 0/470 dead transitions. [2023-11-29 01:26:40,478 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 478 places, 470 transitions, 1220 flow [2023-11-29 01:26:40,478 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 01:26:40,478 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-29 01:26:40,482 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1665 transitions. [2023-11-29 01:26:40,483 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.9454855195911414 [2023-11-29 01:26:40,483 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1665 transitions. [2023-11-29 01:26:40,483 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1665 transitions. [2023-11-29 01:26:40,484 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 01:26:40,484 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1665 transitions. [2023-11-29 01:26:40,487 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 555.0) internal successors, (1665), 3 states have internal predecessors, (1665), 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) [2023-11-29 01:26:40,490 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 587.0) internal successors, (2348), 4 states have internal predecessors, (2348), 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) [2023-11-29 01:26:40,490 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 587.0) internal successors, (2348), 4 states have internal predecessors, (2348), 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) [2023-11-29 01:26:40,490 INFO L175 Difference]: Start difference. First operand has 477 places, 468 transitions, 1133 flow. Second operand 3 states and 1665 transitions. [2023-11-29 01:26:40,490 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 478 places, 470 transitions, 1220 flow [2023-11-29 01:26:40,498 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 474 places, 470 transitions, 1213 flow, removed 0 selfloop flow, removed 4 redundant places. [2023-11-29 01:26:40,506 INFO L231 Difference]: Finished difference. Result has 474 places, 467 transitions, 1128 flow [2023-11-29 01:26:40,507 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=587, PETRI_DIFFERENCE_MINUEND_FLOW=1124, PETRI_DIFFERENCE_MINUEND_PLACES=472, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=467, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=465, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1128, PETRI_PLACES=474, PETRI_TRANSITIONS=467} [2023-11-29 01:26:40,507 INFO L281 CegarLoopForPetriNet]: 556 programPoint places, -82 predicate places. [2023-11-29 01:26:40,507 INFO L495 AbstractCegarLoop]: Abstraction has has 474 places, 467 transitions, 1128 flow [2023-11-29 01:26:40,508 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 545.3333333333334) internal successors, (1636), 3 states have internal predecessors, (1636), 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) [2023-11-29 01:26:40,508 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 01:26:40,509 INFO L208 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] [2023-11-29 01:26:40,509 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2023-11-29 01:26:40,509 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting thread2Err7ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 203 more)] === [2023-11-29 01:26:40,509 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 01:26:40,509 INFO L85 PathProgramCache]: Analyzing trace with hash -1243029442, now seen corresponding path program 1 times [2023-11-29 01:26:40,510 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 01:26:40,510 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2023473009] [2023-11-29 01:26:40,510 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 01:26:40,510 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 01:26:40,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:26:40,558 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 01:26:40,558 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 01:26:40,558 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2023473009] [2023-11-29 01:26:40,559 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2023473009] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 01:26:40,559 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 01:26:40,559 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-29 01:26:40,559 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [298073016] [2023-11-29 01:26:40,559 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 01:26:40,560 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 01:26:40,560 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 01:26:40,561 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 01:26:40,561 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 01:26:40,657 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 543 out of 587 [2023-11-29 01:26:40,659 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 474 places, 467 transitions, 1128 flow. Second operand has 3 states, 3 states have (on average 547.3333333333334) internal successors, (1642), 3 states have internal predecessors, (1642), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 01:26:40,659 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 01:26:40,659 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 543 of 587 [2023-11-29 01:26:40,660 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 01:26:42,535 INFO L124 PetriNetUnfolderBase]: 704/6230 cut-off events. [2023-11-29 01:26:42,535 INFO L125 PetriNetUnfolderBase]: For 595/598 co-relation queries the response was YES. [2023-11-29 01:26:42,589 INFO L83 FinitePrefix]: Finished finitePrefix Result has 9186 conditions, 6230 events. 704/6230 cut-off events. For 595/598 co-relation queries the response was YES. Maximal size of possible extension queue 157. Compared 68623 event pairs, 499 based on Foata normal form. 0/5680 useless extension candidates. Maximal degree in co-relation 7990. Up to 1234 conditions per place. [2023-11-29 01:26:42,621 INFO L140 encePairwiseOnDemand]: 584/587 looper letters, 36 selfloop transitions, 2 changer transitions 0/469 dead transitions. [2023-11-29 01:26:42,621 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 475 places, 469 transitions, 1211 flow [2023-11-29 01:26:42,621 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 01:26:42,621 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-29 01:26:42,624 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1667 transitions. [2023-11-29 01:26:42,624 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.9466212379329926 [2023-11-29 01:26:42,625 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1667 transitions. [2023-11-29 01:26:42,625 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1667 transitions. [2023-11-29 01:26:42,625 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 01:26:42,625 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1667 transitions. [2023-11-29 01:26:42,628 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 555.6666666666666) internal successors, (1667), 3 states have internal predecessors, (1667), 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) [2023-11-29 01:26:42,630 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 587.0) internal successors, (2348), 4 states have internal predecessors, (2348), 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) [2023-11-29 01:26:42,630 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 587.0) internal successors, (2348), 4 states have internal predecessors, (2348), 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) [2023-11-29 01:26:42,630 INFO L175 Difference]: Start difference. First operand has 474 places, 467 transitions, 1128 flow. Second operand 3 states and 1667 transitions. [2023-11-29 01:26:42,630 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 475 places, 469 transitions, 1211 flow [2023-11-29 01:26:42,637 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 473 places, 469 transitions, 1207 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-11-29 01:26:42,643 INFO L231 Difference]: Finished difference. Result has 473 places, 466 transitions, 1126 flow [2023-11-29 01:26:42,644 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=587, PETRI_DIFFERENCE_MINUEND_FLOW=1122, PETRI_DIFFERENCE_MINUEND_PLACES=471, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=466, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=464, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1126, PETRI_PLACES=473, PETRI_TRANSITIONS=466} [2023-11-29 01:26:42,644 INFO L281 CegarLoopForPetriNet]: 556 programPoint places, -83 predicate places. [2023-11-29 01:26:42,644 INFO L495 AbstractCegarLoop]: Abstraction has has 473 places, 466 transitions, 1126 flow [2023-11-29 01:26:42,645 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 547.3333333333334) internal successors, (1642), 3 states have internal predecessors, (1642), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 01:26:42,645 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 01:26:42,645 INFO L208 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] [2023-11-29 01:26:42,645 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2023-11-29 01:26:42,645 INFO L420 AbstractCegarLoop]: === Iteration 18 === Targeting thread1Err10ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 203 more)] === [2023-11-29 01:26:42,645 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 01:26:42,646 INFO L85 PathProgramCache]: Analyzing trace with hash 1598153195, now seen corresponding path program 1 times [2023-11-29 01:26:42,646 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 01:26:42,646 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [152058148] [2023-11-29 01:26:42,646 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 01:26:42,646 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 01:26:42,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:26:42,683 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 01:26:42,684 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 01:26:42,684 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [152058148] [2023-11-29 01:26:42,684 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [152058148] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 01:26:42,684 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 01:26:42,684 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-29 01:26:42,684 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1739758261] [2023-11-29 01:26:42,684 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 01:26:42,685 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 01:26:42,685 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 01:26:42,685 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 01:26:42,685 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 01:26:42,781 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 542 out of 587 [2023-11-29 01:26:42,782 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 473 places, 466 transitions, 1126 flow. Second operand has 3 states, 3 states have (on average 547.0) internal successors, (1641), 3 states have internal predecessors, (1641), 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) [2023-11-29 01:26:42,782 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 01:26:42,782 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 542 of 587 [2023-11-29 01:26:42,782 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 01:26:43,724 INFO L124 PetriNetUnfolderBase]: 365/4376 cut-off events. [2023-11-29 01:26:43,724 INFO L125 PetriNetUnfolderBase]: For 181/187 co-relation queries the response was YES. [2023-11-29 01:26:43,769 INFO L83 FinitePrefix]: Finished finitePrefix Result has 6144 conditions, 4376 events. 365/4376 cut-off events. For 181/187 co-relation queries the response was YES. Maximal size of possible extension queue 82. Compared 43225 event pairs, 226 based on Foata normal form. 0/4000 useless extension candidates. Maximal degree in co-relation 5256. Up to 528 conditions per place. [2023-11-29 01:26:43,791 INFO L140 encePairwiseOnDemand]: 584/587 looper letters, 37 selfloop transitions, 2 changer transitions 0/468 dead transitions. [2023-11-29 01:26:43,791 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 474 places, 468 transitions, 1211 flow [2023-11-29 01:26:43,791 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 01:26:43,791 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-29 01:26:43,794 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1665 transitions. [2023-11-29 01:26:43,794 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.9454855195911414 [2023-11-29 01:26:43,794 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1665 transitions. [2023-11-29 01:26:43,794 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1665 transitions. [2023-11-29 01:26:43,795 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 01:26:43,795 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1665 transitions. [2023-11-29 01:26:43,798 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 555.0) internal successors, (1665), 3 states have internal predecessors, (1665), 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) [2023-11-29 01:26:43,801 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 587.0) internal successors, (2348), 4 states have internal predecessors, (2348), 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) [2023-11-29 01:26:43,801 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 587.0) internal successors, (2348), 4 states have internal predecessors, (2348), 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) [2023-11-29 01:26:43,801 INFO L175 Difference]: Start difference. First operand has 473 places, 466 transitions, 1126 flow. Second operand 3 states and 1665 transitions. [2023-11-29 01:26:43,801 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 474 places, 468 transitions, 1211 flow [2023-11-29 01:26:43,808 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 472 places, 468 transitions, 1207 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-11-29 01:26:43,814 INFO L231 Difference]: Finished difference. Result has 472 places, 465 transitions, 1124 flow [2023-11-29 01:26:43,815 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=587, PETRI_DIFFERENCE_MINUEND_FLOW=1120, PETRI_DIFFERENCE_MINUEND_PLACES=470, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=465, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=463, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1124, PETRI_PLACES=472, PETRI_TRANSITIONS=465} [2023-11-29 01:26:43,815 INFO L281 CegarLoopForPetriNet]: 556 programPoint places, -84 predicate places. [2023-11-29 01:26:43,815 INFO L495 AbstractCegarLoop]: Abstraction has has 472 places, 465 transitions, 1124 flow [2023-11-29 01:26:43,816 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 547.0) internal successors, (1641), 3 states have internal predecessors, (1641), 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) [2023-11-29 01:26:43,816 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 01:26:43,816 INFO L208 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] [2023-11-29 01:26:43,816 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2023-11-29 01:26:43,816 INFO L420 AbstractCegarLoop]: === Iteration 19 === Targeting thread4Err4ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 203 more)] === [2023-11-29 01:26:43,816 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 01:26:43,817 INFO L85 PathProgramCache]: Analyzing trace with hash -2003421738, now seen corresponding path program 1 times [2023-11-29 01:26:43,817 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 01:26:43,817 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1805371654] [2023-11-29 01:26:43,817 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 01:26:43,817 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 01:26:43,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:26:43,858 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 01:26:43,858 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 01:26:43,858 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1805371654] [2023-11-29 01:26:43,858 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1805371654] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 01:26:43,858 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 01:26:43,859 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-29 01:26:43,859 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1336625226] [2023-11-29 01:26:43,859 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 01:26:43,859 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 01:26:43,860 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 01:26:43,860 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 01:26:43,860 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 01:26:43,949 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 543 out of 587 [2023-11-29 01:26:43,950 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 472 places, 465 transitions, 1124 flow. Second operand has 3 states, 3 states have (on average 546.6666666666666) internal successors, (1640), 3 states have internal predecessors, (1640), 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) [2023-11-29 01:26:43,950 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 01:26:43,950 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 543 of 587 [2023-11-29 01:26:43,951 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 01:26:44,670 INFO L124 PetriNetUnfolderBase]: 264/3598 cut-off events. [2023-11-29 01:26:44,670 INFO L125 PetriNetUnfolderBase]: For 342/347 co-relation queries the response was YES. [2023-11-29 01:26:44,707 INFO L83 FinitePrefix]: Finished finitePrefix Result has 4887 conditions, 3598 events. 264/3598 cut-off events. For 342/347 co-relation queries the response was YES. Maximal size of possible extension queue 77. Compared 33997 event pairs, 156 based on Foata normal form. 0/3271 useless extension candidates. Maximal degree in co-relation 4672. Up to 480 conditions per place. [2023-11-29 01:26:44,723 INFO L140 encePairwiseOnDemand]: 584/587 looper letters, 36 selfloop transitions, 2 changer transitions 0/467 dead transitions. [2023-11-29 01:26:44,723 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 473 places, 467 transitions, 1207 flow [2023-11-29 01:26:44,723 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 01:26:44,723 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-29 01:26:44,726 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1667 transitions. [2023-11-29 01:26:44,727 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.9466212379329926 [2023-11-29 01:26:44,727 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1667 transitions. [2023-11-29 01:26:44,727 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1667 transitions. [2023-11-29 01:26:44,727 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 01:26:44,728 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1667 transitions. [2023-11-29 01:26:44,730 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 555.6666666666666) internal successors, (1667), 3 states have internal predecessors, (1667), 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) [2023-11-29 01:26:44,732 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 587.0) internal successors, (2348), 4 states have internal predecessors, (2348), 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) [2023-11-29 01:26:44,733 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 587.0) internal successors, (2348), 4 states have internal predecessors, (2348), 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) [2023-11-29 01:26:44,733 INFO L175 Difference]: Start difference. First operand has 472 places, 465 transitions, 1124 flow. Second operand 3 states and 1667 transitions. [2023-11-29 01:26:44,733 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 473 places, 467 transitions, 1207 flow [2023-11-29 01:26:44,739 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 471 places, 467 transitions, 1203 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-11-29 01:26:44,745 INFO L231 Difference]: Finished difference. Result has 471 places, 464 transitions, 1122 flow [2023-11-29 01:26:44,746 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=587, PETRI_DIFFERENCE_MINUEND_FLOW=1118, PETRI_DIFFERENCE_MINUEND_PLACES=469, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=464, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=462, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1122, PETRI_PLACES=471, PETRI_TRANSITIONS=464} [2023-11-29 01:26:44,746 INFO L281 CegarLoopForPetriNet]: 556 programPoint places, -85 predicate places. [2023-11-29 01:26:44,746 INFO L495 AbstractCegarLoop]: Abstraction has has 471 places, 464 transitions, 1122 flow [2023-11-29 01:26:44,747 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 546.6666666666666) internal successors, (1640), 3 states have internal predecessors, (1640), 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) [2023-11-29 01:26:44,747 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 01:26:44,747 INFO L208 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] [2023-11-29 01:26:44,747 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2023-11-29 01:26:44,747 INFO L420 AbstractCegarLoop]: === Iteration 20 === Targeting thread3Err7ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 203 more)] === [2023-11-29 01:26:44,747 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 01:26:44,748 INFO L85 PathProgramCache]: Analyzing trace with hash 1670809046, now seen corresponding path program 1 times [2023-11-29 01:26:44,748 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 01:26:44,748 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [339441185] [2023-11-29 01:26:44,748 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 01:26:44,748 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 01:26:44,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:26:44,786 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 01:26:44,786 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 01:26:44,787 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [339441185] [2023-11-29 01:26:44,787 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [339441185] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 01:26:44,787 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 01:26:44,787 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-29 01:26:44,787 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [235377916] [2023-11-29 01:26:44,787 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 01:26:44,787 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 01:26:44,788 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 01:26:44,788 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 01:26:44,788 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 01:26:44,882 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 542 out of 587 [2023-11-29 01:26:44,883 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 471 places, 464 transitions, 1122 flow. Second operand has 3 states, 3 states have (on average 546.3333333333334) internal successors, (1639), 3 states have internal predecessors, (1639), 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) [2023-11-29 01:26:44,883 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 01:26:44,883 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 542 of 587 [2023-11-29 01:26:44,883 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 01:26:45,839 INFO L124 PetriNetUnfolderBase]: 464/4543 cut-off events. [2023-11-29 01:26:45,839 INFO L125 PetriNetUnfolderBase]: For 488/497 co-relation queries the response was YES. [2023-11-29 01:26:45,883 INFO L83 FinitePrefix]: Finished finitePrefix Result has 6563 conditions, 4543 events. 464/4543 cut-off events. For 488/497 co-relation queries the response was YES. Maximal size of possible extension queue 118. Compared 46312 event pairs, 316 based on Foata normal form. 0/4155 useless extension candidates. Maximal degree in co-relation 5792. Up to 853 conditions per place. [2023-11-29 01:26:45,906 INFO L140 encePairwiseOnDemand]: 584/587 looper letters, 38 selfloop transitions, 2 changer transitions 0/466 dead transitions. [2023-11-29 01:26:45,906 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 472 places, 466 transitions, 1209 flow [2023-11-29 01:26:45,906 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 01:26:45,906 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-29 01:26:45,909 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1665 transitions. [2023-11-29 01:26:45,910 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.9454855195911414 [2023-11-29 01:26:45,910 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1665 transitions. [2023-11-29 01:26:45,910 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1665 transitions. [2023-11-29 01:26:45,910 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 01:26:45,910 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1665 transitions. [2023-11-29 01:26:45,912 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 555.0) internal successors, (1665), 3 states have internal predecessors, (1665), 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) [2023-11-29 01:26:45,914 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 587.0) internal successors, (2348), 4 states have internal predecessors, (2348), 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) [2023-11-29 01:26:45,914 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 587.0) internal successors, (2348), 4 states have internal predecessors, (2348), 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) [2023-11-29 01:26:45,914 INFO L175 Difference]: Start difference. First operand has 471 places, 464 transitions, 1122 flow. Second operand 3 states and 1665 transitions. [2023-11-29 01:26:45,914 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 472 places, 466 transitions, 1209 flow [2023-11-29 01:26:45,918 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 470 places, 466 transitions, 1205 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-11-29 01:26:45,922 INFO L231 Difference]: Finished difference. Result has 470 places, 463 transitions, 1120 flow [2023-11-29 01:26:45,922 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=587, PETRI_DIFFERENCE_MINUEND_FLOW=1116, PETRI_DIFFERENCE_MINUEND_PLACES=468, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=463, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=461, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1120, PETRI_PLACES=470, PETRI_TRANSITIONS=463} [2023-11-29 01:26:45,922 INFO L281 CegarLoopForPetriNet]: 556 programPoint places, -86 predicate places. [2023-11-29 01:26:45,923 INFO L495 AbstractCegarLoop]: Abstraction has has 470 places, 463 transitions, 1120 flow [2023-11-29 01:26:45,923 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 546.3333333333334) internal successors, (1639), 3 states have internal predecessors, (1639), 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) [2023-11-29 01:26:45,923 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 01:26:45,923 INFO L208 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] [2023-11-29 01:26:45,923 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2023-11-29 01:26:45,923 INFO L420 AbstractCegarLoop]: === Iteration 21 === Targeting thread2Err10ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 203 more)] === [2023-11-29 01:26:45,923 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 01:26:45,923 INFO L85 PathProgramCache]: Analyzing trace with hash -890867753, now seen corresponding path program 1 times [2023-11-29 01:26:45,923 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 01:26:45,923 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [54914702] [2023-11-29 01:26:45,923 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 01:26:45,924 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 01:26:45,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:26:45,954 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 01:26:45,954 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 01:26:45,954 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [54914702] [2023-11-29 01:26:45,954 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [54914702] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 01:26:45,954 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 01:26:45,954 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-29 01:26:45,955 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [681457416] [2023-11-29 01:26:45,955 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 01:26:45,955 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 01:26:45,955 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 01:26:45,956 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 01:26:45,956 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 01:26:46,041 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 543 out of 587 [2023-11-29 01:26:46,042 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 470 places, 463 transitions, 1120 flow. Second operand has 3 states, 3 states have (on average 548.3333333333334) internal successors, (1645), 3 states have internal predecessors, (1645), 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) [2023-11-29 01:26:46,042 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 01:26:46,043 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 543 of 587 [2023-11-29 01:26:46,043 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 01:26:47,589 INFO L124 PetriNetUnfolderBase]: 716/6519 cut-off events. [2023-11-29 01:26:47,589 INFO L125 PetriNetUnfolderBase]: For 595/598 co-relation queries the response was YES. [2023-11-29 01:26:47,675 INFO L83 FinitePrefix]: Finished finitePrefix Result has 9535 conditions, 6519 events. 716/6519 cut-off events. For 595/598 co-relation queries the response was YES. Maximal size of possible extension queue 160. Compared 72173 event pairs, 499 based on Foata normal form. 0/5995 useless extension candidates. Maximal degree in co-relation 8501. Up to 1234 conditions per place. [2023-11-29 01:26:47,711 INFO L140 encePairwiseOnDemand]: 584/587 looper letters, 36 selfloop transitions, 2 changer transitions 0/465 dead transitions. [2023-11-29 01:26:47,712 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 471 places, 465 transitions, 1203 flow [2023-11-29 01:26:47,712 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 01:26:47,712 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-29 01:26:47,714 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1667 transitions. [2023-11-29 01:26:47,715 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.9466212379329926 [2023-11-29 01:26:47,715 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1667 transitions. [2023-11-29 01:26:47,715 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1667 transitions. [2023-11-29 01:26:47,715 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 01:26:47,715 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1667 transitions. [2023-11-29 01:26:47,717 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 555.6666666666666) internal successors, (1667), 3 states have internal predecessors, (1667), 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) [2023-11-29 01:26:47,719 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 587.0) internal successors, (2348), 4 states have internal predecessors, (2348), 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) [2023-11-29 01:26:47,719 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 587.0) internal successors, (2348), 4 states have internal predecessors, (2348), 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) [2023-11-29 01:26:47,719 INFO L175 Difference]: Start difference. First operand has 470 places, 463 transitions, 1120 flow. Second operand 3 states and 1667 transitions. [2023-11-29 01:26:47,719 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 471 places, 465 transitions, 1203 flow [2023-11-29 01:26:47,724 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 469 places, 465 transitions, 1199 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-11-29 01:26:47,728 INFO L231 Difference]: Finished difference. Result has 469 places, 462 transitions, 1118 flow [2023-11-29 01:26:47,728 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=587, PETRI_DIFFERENCE_MINUEND_FLOW=1114, PETRI_DIFFERENCE_MINUEND_PLACES=467, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=462, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=460, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1118, PETRI_PLACES=469, PETRI_TRANSITIONS=462} [2023-11-29 01:26:47,728 INFO L281 CegarLoopForPetriNet]: 556 programPoint places, -87 predicate places. [2023-11-29 01:26:47,729 INFO L495 AbstractCegarLoop]: Abstraction has has 469 places, 462 transitions, 1118 flow [2023-11-29 01:26:47,729 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 548.3333333333334) internal successors, (1645), 3 states have internal predecessors, (1645), 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) [2023-11-29 01:26:47,729 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 01:26:47,729 INFO L208 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] [2023-11-29 01:26:47,729 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2023-11-29 01:26:47,729 INFO L420 AbstractCegarLoop]: === Iteration 22 === Targeting thread1Err13ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 203 more)] === [2023-11-29 01:26:47,730 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 01:26:47,730 INFO L85 PathProgramCache]: Analyzing trace with hash 1220487798, now seen corresponding path program 1 times [2023-11-29 01:26:47,730 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 01:26:47,730 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [454121818] [2023-11-29 01:26:47,730 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 01:26:47,730 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 01:26:47,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:26:47,765 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 01:26:47,765 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 01:26:47,765 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [454121818] [2023-11-29 01:26:47,766 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [454121818] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 01:26:47,766 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 01:26:47,766 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-29 01:26:47,766 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [214346217] [2023-11-29 01:26:47,766 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 01:26:47,766 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 01:26:47,767 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 01:26:47,767 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 01:26:47,767 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 01:26:47,859 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 542 out of 587 [2023-11-29 01:26:47,860 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 469 places, 462 transitions, 1118 flow. Second operand has 3 states, 3 states have (on average 548.0) internal successors, (1644), 3 states have internal predecessors, (1644), 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) [2023-11-29 01:26:47,860 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 01:26:47,860 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 542 of 587 [2023-11-29 01:26:47,861 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 01:26:48,688 INFO L124 PetriNetUnfolderBase]: 365/4328 cut-off events. [2023-11-29 01:26:48,689 INFO L125 PetriNetUnfolderBase]: For 181/187 co-relation queries the response was YES. [2023-11-29 01:26:48,723 INFO L83 FinitePrefix]: Finished finitePrefix Result has 6096 conditions, 4328 events. 365/4328 cut-off events. For 181/187 co-relation queries the response was YES. Maximal size of possible extension queue 83. Compared 42586 event pairs, 226 based on Foata normal form. 0/4000 useless extension candidates. Maximal degree in co-relation 5352. Up to 528 conditions per place. [2023-11-29 01:26:48,741 INFO L140 encePairwiseOnDemand]: 584/587 looper letters, 37 selfloop transitions, 2 changer transitions 0/464 dead transitions. [2023-11-29 01:26:48,741 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 470 places, 464 transitions, 1203 flow [2023-11-29 01:26:48,742 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 01:26:48,742 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-29 01:26:48,744 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1665 transitions. [2023-11-29 01:26:48,745 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.9454855195911414 [2023-11-29 01:26:48,745 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1665 transitions. [2023-11-29 01:26:48,745 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1665 transitions. [2023-11-29 01:26:48,745 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 01:26:48,745 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1665 transitions. [2023-11-29 01:26:48,748 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 555.0) internal successors, (1665), 3 states have internal predecessors, (1665), 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) [2023-11-29 01:26:48,750 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 587.0) internal successors, (2348), 4 states have internal predecessors, (2348), 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) [2023-11-29 01:26:48,750 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 587.0) internal successors, (2348), 4 states have internal predecessors, (2348), 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) [2023-11-29 01:26:48,751 INFO L175 Difference]: Start difference. First operand has 469 places, 462 transitions, 1118 flow. Second operand 3 states and 1665 transitions. [2023-11-29 01:26:48,751 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 470 places, 464 transitions, 1203 flow [2023-11-29 01:26:48,756 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 468 places, 464 transitions, 1199 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-11-29 01:26:48,762 INFO L231 Difference]: Finished difference. Result has 468 places, 461 transitions, 1116 flow [2023-11-29 01:26:48,763 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=587, PETRI_DIFFERENCE_MINUEND_FLOW=1112, PETRI_DIFFERENCE_MINUEND_PLACES=466, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=461, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=459, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1116, PETRI_PLACES=468, PETRI_TRANSITIONS=461} [2023-11-29 01:26:48,763 INFO L281 CegarLoopForPetriNet]: 556 programPoint places, -88 predicate places. [2023-11-29 01:26:48,763 INFO L495 AbstractCegarLoop]: Abstraction has has 468 places, 461 transitions, 1116 flow [2023-11-29 01:26:48,763 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 548.0) internal successors, (1644), 3 states have internal predecessors, (1644), 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) [2023-11-29 01:26:48,763 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 01:26:48,763 INFO L208 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] [2023-11-29 01:26:48,764 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2023-11-29 01:26:48,764 INFO L420 AbstractCegarLoop]: === Iteration 23 === Targeting thread4Err7ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 203 more)] === [2023-11-29 01:26:48,764 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 01:26:48,764 INFO L85 PathProgramCache]: Analyzing trace with hash -759395341, now seen corresponding path program 1 times [2023-11-29 01:26:48,764 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 01:26:48,764 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [30895197] [2023-11-29 01:26:48,764 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 01:26:48,764 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 01:26:48,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:26:48,805 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 01:26:48,805 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 01:26:48,805 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [30895197] [2023-11-29 01:26:48,805 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [30895197] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 01:26:48,806 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 01:26:48,806 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-29 01:26:48,806 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [920412899] [2023-11-29 01:26:48,806 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 01:26:48,806 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 01:26:48,807 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 01:26:48,807 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 01:26:48,807 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 01:26:48,897 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 543 out of 587 [2023-11-29 01:26:48,898 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 468 places, 461 transitions, 1116 flow. Second operand has 3 states, 3 states have (on average 547.6666666666666) internal successors, (1643), 3 states have internal predecessors, (1643), 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) [2023-11-29 01:26:48,898 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 01:26:48,898 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 543 of 587 [2023-11-29 01:26:48,898 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 01:26:49,630 INFO L124 PetriNetUnfolderBase]: 264/3559 cut-off events. [2023-11-29 01:26:49,630 INFO L125 PetriNetUnfolderBase]: For 342/347 co-relation queries the response was YES. [2023-11-29 01:26:49,666 INFO L83 FinitePrefix]: Finished finitePrefix Result has 4848 conditions, 3559 events. 264/3559 cut-off events. For 342/347 co-relation queries the response was YES. Maximal size of possible extension queue 78. Compared 33318 event pairs, 156 based on Foata normal form. 0/3271 useless extension candidates. Maximal degree in co-relation 4669. Up to 480 conditions per place. [2023-11-29 01:26:49,680 INFO L140 encePairwiseOnDemand]: 584/587 looper letters, 36 selfloop transitions, 2 changer transitions 0/463 dead transitions. [2023-11-29 01:26:49,680 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 469 places, 463 transitions, 1199 flow [2023-11-29 01:26:49,680 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 01:26:49,680 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-29 01:26:49,683 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1667 transitions. [2023-11-29 01:26:49,683 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.9466212379329926 [2023-11-29 01:26:49,683 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1667 transitions. [2023-11-29 01:26:49,683 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1667 transitions. [2023-11-29 01:26:49,684 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 01:26:49,684 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1667 transitions. [2023-11-29 01:26:49,685 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 555.6666666666666) internal successors, (1667), 3 states have internal predecessors, (1667), 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) [2023-11-29 01:26:49,687 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 587.0) internal successors, (2348), 4 states have internal predecessors, (2348), 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) [2023-11-29 01:26:49,687 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 587.0) internal successors, (2348), 4 states have internal predecessors, (2348), 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) [2023-11-29 01:26:49,687 INFO L175 Difference]: Start difference. First operand has 468 places, 461 transitions, 1116 flow. Second operand 3 states and 1667 transitions. [2023-11-29 01:26:49,687 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 469 places, 463 transitions, 1199 flow [2023-11-29 01:26:49,691 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 467 places, 463 transitions, 1195 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-11-29 01:26:49,695 INFO L231 Difference]: Finished difference. Result has 467 places, 460 transitions, 1114 flow [2023-11-29 01:26:49,695 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=587, PETRI_DIFFERENCE_MINUEND_FLOW=1110, PETRI_DIFFERENCE_MINUEND_PLACES=465, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=460, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=458, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1114, PETRI_PLACES=467, PETRI_TRANSITIONS=460} [2023-11-29 01:26:49,696 INFO L281 CegarLoopForPetriNet]: 556 programPoint places, -89 predicate places. [2023-11-29 01:26:49,696 INFO L495 AbstractCegarLoop]: Abstraction has has 467 places, 460 transitions, 1114 flow [2023-11-29 01:26:49,696 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 547.6666666666666) internal successors, (1643), 3 states have internal predecessors, (1643), 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) [2023-11-29 01:26:49,696 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 01:26:49,696 INFO L208 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] [2023-11-29 01:26:49,696 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2023-11-29 01:26:49,696 INFO L420 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr12ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 203 more)] === [2023-11-29 01:26:49,697 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 01:26:49,697 INFO L85 PathProgramCache]: Analyzing trace with hash -38665850, now seen corresponding path program 1 times [2023-11-29 01:26:49,697 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 01:26:49,697 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [617057590] [2023-11-29 01:26:49,697 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 01:26:49,697 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 01:26:49,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:26:50,059 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 01:26:50,059 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 01:26:50,060 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [617057590] [2023-11-29 01:26:50,060 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [617057590] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 01:26:50,060 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 01:26:50,060 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-29 01:26:50,060 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [326700473] [2023-11-29 01:26:50,060 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 01:26:50,060 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-29 01:26:50,061 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 01:26:50,061 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-29 01:26:50,061 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-11-29 01:26:50,244 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 562 out of 587 [2023-11-29 01:26:50,246 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 467 places, 460 transitions, 1114 flow. Second operand has 6 states, 6 states have (on average 564.0) internal successors, (3384), 6 states have internal predecessors, (3384), 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) [2023-11-29 01:26:50,247 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 01:26:50,247 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 562 of 587 [2023-11-29 01:26:50,247 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 01:26:50,751 INFO L124 PetriNetUnfolderBase]: 88/2640 cut-off events. [2023-11-29 01:26:50,751 INFO L125 PetriNetUnfolderBase]: For 17/17 co-relation queries the response was YES. [2023-11-29 01:26:50,777 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3291 conditions, 2640 events. 88/2640 cut-off events. For 17/17 co-relation queries the response was YES. Maximal size of possible extension queue 43. Compared 21781 event pairs, 8 based on Foata normal form. 0/2427 useless extension candidates. Maximal degree in co-relation 2772. Up to 112 conditions per place. [2023-11-29 01:26:50,786 INFO L140 encePairwiseOnDemand]: 582/587 looper letters, 10 selfloop transitions, 4 changer transitions 0/459 dead transitions. [2023-11-29 01:26:50,786 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 471 places, 459 transitions, 1140 flow [2023-11-29 01:26:50,786 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-29 01:26:50,786 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-11-29 01:26:50,793 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 3387 transitions. [2023-11-29 01:26:50,795 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.9616695059625213 [2023-11-29 01:26:50,795 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 3387 transitions. [2023-11-29 01:26:50,795 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 3387 transitions. [2023-11-29 01:26:50,795 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 01:26:50,795 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 3387 transitions. [2023-11-29 01:26:50,798 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 564.5) internal successors, (3387), 6 states have internal predecessors, (3387), 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) [2023-11-29 01:26:50,803 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 587.0) internal successors, (4109), 7 states have internal predecessors, (4109), 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) [2023-11-29 01:26:50,803 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 587.0) internal successors, (4109), 7 states have internal predecessors, (4109), 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) [2023-11-29 01:26:50,803 INFO L175 Difference]: Start difference. First operand has 467 places, 460 transitions, 1114 flow. Second operand 6 states and 3387 transitions. [2023-11-29 01:26:50,803 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 471 places, 459 transitions, 1140 flow [2023-11-29 01:26:50,807 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 469 places, 459 transitions, 1136 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-11-29 01:26:50,811 INFO L231 Difference]: Finished difference. Result has 469 places, 459 transitions, 1116 flow [2023-11-29 01:26:50,811 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=587, PETRI_DIFFERENCE_MINUEND_FLOW=1108, PETRI_DIFFERENCE_MINUEND_PLACES=464, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=459, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=455, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=1116, PETRI_PLACES=469, PETRI_TRANSITIONS=459} [2023-11-29 01:26:50,812 INFO L281 CegarLoopForPetriNet]: 556 programPoint places, -87 predicate places. [2023-11-29 01:26:50,812 INFO L495 AbstractCegarLoop]: Abstraction has has 469 places, 459 transitions, 1116 flow [2023-11-29 01:26:50,812 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 564.0) internal successors, (3384), 6 states have internal predecessors, (3384), 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) [2023-11-29 01:26:50,812 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 01:26:50,812 INFO L208 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] [2023-11-29 01:26:50,812 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2023-11-29 01:26:50,812 INFO L420 AbstractCegarLoop]: === Iteration 25 === Targeting thread3Err10ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 203 more)] === [2023-11-29 01:26:50,813 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 01:26:50,813 INFO L85 PathProgramCache]: Analyzing trace with hash -1625987681, now seen corresponding path program 1 times [2023-11-29 01:26:50,813 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 01:26:50,813 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1113759641] [2023-11-29 01:26:50,813 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 01:26:50,813 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 01:26:50,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:26:50,856 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 01:26:50,856 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 01:26:50,856 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1113759641] [2023-11-29 01:26:50,856 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1113759641] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 01:26:50,857 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 01:26:50,857 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-29 01:26:50,857 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [437625078] [2023-11-29 01:26:50,857 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 01:26:50,857 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 01:26:50,858 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 01:26:50,858 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 01:26:50,858 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 01:26:50,950 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 542 out of 587 [2023-11-29 01:26:50,952 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 469 places, 459 transitions, 1116 flow. Second operand has 3 states, 3 states have (on average 547.3333333333334) internal successors, (1642), 3 states have internal predecessors, (1642), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 01:26:50,952 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 01:26:50,952 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 542 of 587 [2023-11-29 01:26:50,952 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 01:26:52,058 INFO L124 PetriNetUnfolderBase]: 464/4510 cut-off events. [2023-11-29 01:26:52,058 INFO L125 PetriNetUnfolderBase]: For 479/488 co-relation queries the response was YES. [2023-11-29 01:26:52,098 INFO L83 FinitePrefix]: Finished finitePrefix Result has 6596 conditions, 4510 events. 464/4510 cut-off events. For 479/488 co-relation queries the response was YES. Maximal size of possible extension queue 113. Compared 45779 event pairs, 316 based on Foata normal form. 0/4185 useless extension candidates. Maximal degree in co-relation 5791. Up to 853 conditions per place. [2023-11-29 01:26:52,122 INFO L140 encePairwiseOnDemand]: 584/587 looper letters, 38 selfloop transitions, 2 changer transitions 0/461 dead transitions. [2023-11-29 01:26:52,122 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 470 places, 461 transitions, 1203 flow [2023-11-29 01:26:52,123 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 01:26:52,123 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-29 01:26:52,126 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1665 transitions. [2023-11-29 01:26:52,126 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.9454855195911414 [2023-11-29 01:26:52,127 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1665 transitions. [2023-11-29 01:26:52,127 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1665 transitions. [2023-11-29 01:26:52,127 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 01:26:52,127 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1665 transitions. [2023-11-29 01:26:52,129 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 555.0) internal successors, (1665), 3 states have internal predecessors, (1665), 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) [2023-11-29 01:26:52,131 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 587.0) internal successors, (2348), 4 states have internal predecessors, (2348), 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) [2023-11-29 01:26:52,132 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 587.0) internal successors, (2348), 4 states have internal predecessors, (2348), 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) [2023-11-29 01:26:52,132 INFO L175 Difference]: Start difference. First operand has 469 places, 459 transitions, 1116 flow. Second operand 3 states and 1665 transitions. [2023-11-29 01:26:52,132 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 470 places, 461 transitions, 1203 flow [2023-11-29 01:26:52,136 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 466 places, 461 transitions, 1196 flow, removed 0 selfloop flow, removed 4 redundant places. [2023-11-29 01:26:52,142 INFO L231 Difference]: Finished difference. Result has 466 places, 458 transitions, 1111 flow [2023-11-29 01:26:52,142 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=587, PETRI_DIFFERENCE_MINUEND_FLOW=1107, PETRI_DIFFERENCE_MINUEND_PLACES=464, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=458, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=456, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1111, PETRI_PLACES=466, PETRI_TRANSITIONS=458} [2023-11-29 01:26:52,142 INFO L281 CegarLoopForPetriNet]: 556 programPoint places, -90 predicate places. [2023-11-29 01:26:52,143 INFO L495 AbstractCegarLoop]: Abstraction has has 466 places, 458 transitions, 1111 flow [2023-11-29 01:26:52,143 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 547.3333333333334) internal successors, (1642), 3 states have internal predecessors, (1642), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 01:26:52,143 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 01:26:52,143 INFO L208 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] [2023-11-29 01:26:52,143 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2023-11-29 01:26:52,143 INFO L420 AbstractCegarLoop]: === Iteration 26 === Targeting thread2Err13ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 203 more)] === [2023-11-29 01:26:52,143 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 01:26:52,144 INFO L85 PathProgramCache]: Analyzing trace with hash 1783977578, now seen corresponding path program 1 times [2023-11-29 01:26:52,144 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 01:26:52,144 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1035307890] [2023-11-29 01:26:52,144 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 01:26:52,144 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 01:26:52,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:26:52,190 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 01:26:52,190 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 01:26:52,191 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1035307890] [2023-11-29 01:26:52,191 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1035307890] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 01:26:52,191 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 01:26:52,191 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-29 01:26:52,191 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1371870934] [2023-11-29 01:26:52,191 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 01:26:52,192 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 01:26:52,192 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 01:26:52,192 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 01:26:52,193 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 01:26:52,281 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 543 out of 587 [2023-11-29 01:26:52,283 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 466 places, 458 transitions, 1111 flow. Second operand has 3 states, 3 states have (on average 549.3333333333334) internal successors, (1648), 3 states have internal predecessors, (1648), 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) [2023-11-29 01:26:52,283 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 01:26:52,283 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 543 of 587 [2023-11-29 01:26:52,283 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 01:26:54,304 INFO L124 PetriNetUnfolderBase]: 728/6751 cut-off events. [2023-11-29 01:26:54,304 INFO L125 PetriNetUnfolderBase]: For 595/598 co-relation queries the response was YES. [2023-11-29 01:26:54,399 INFO L83 FinitePrefix]: Finished finitePrefix Result has 9878 conditions, 6751 events. 728/6751 cut-off events. For 595/598 co-relation queries the response was YES. Maximal size of possible extension queue 162. Compared 74624 event pairs, 499 based on Foata normal form. 0/6310 useless extension candidates. Maximal degree in co-relation 9006. Up to 1234 conditions per place. [2023-11-29 01:26:54,442 INFO L140 encePairwiseOnDemand]: 584/587 looper letters, 36 selfloop transitions, 2 changer transitions 0/460 dead transitions. [2023-11-29 01:26:54,442 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 467 places, 460 transitions, 1194 flow [2023-11-29 01:26:54,443 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 01:26:54,443 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-29 01:26:54,446 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1667 transitions. [2023-11-29 01:26:54,446 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.9466212379329926 [2023-11-29 01:26:54,447 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1667 transitions. [2023-11-29 01:26:54,447 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1667 transitions. [2023-11-29 01:26:54,447 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 01:26:54,447 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1667 transitions. [2023-11-29 01:26:54,449 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 555.6666666666666) internal successors, (1667), 3 states have internal predecessors, (1667), 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) [2023-11-29 01:26:54,451 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 587.0) internal successors, (2348), 4 states have internal predecessors, (2348), 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) [2023-11-29 01:26:54,451 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 587.0) internal successors, (2348), 4 states have internal predecessors, (2348), 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) [2023-11-29 01:26:54,451 INFO L175 Difference]: Start difference. First operand has 466 places, 458 transitions, 1111 flow. Second operand 3 states and 1667 transitions. [2023-11-29 01:26:54,451 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 467 places, 460 transitions, 1194 flow [2023-11-29 01:26:54,457 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 465 places, 460 transitions, 1190 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-11-29 01:26:54,462 INFO L231 Difference]: Finished difference. Result has 465 places, 457 transitions, 1109 flow [2023-11-29 01:26:54,463 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=587, PETRI_DIFFERENCE_MINUEND_FLOW=1105, PETRI_DIFFERENCE_MINUEND_PLACES=463, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=457, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=455, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1109, PETRI_PLACES=465, PETRI_TRANSITIONS=457} [2023-11-29 01:26:54,463 INFO L281 CegarLoopForPetriNet]: 556 programPoint places, -91 predicate places. [2023-11-29 01:26:54,463 INFO L495 AbstractCegarLoop]: Abstraction has has 465 places, 457 transitions, 1109 flow [2023-11-29 01:26:54,464 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 549.3333333333334) internal successors, (1648), 3 states have internal predecessors, (1648), 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) [2023-11-29 01:26:54,464 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 01:26:54,464 INFO L208 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] [2023-11-29 01:26:54,464 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25 [2023-11-29 01:26:54,464 INFO L420 AbstractCegarLoop]: === Iteration 27 === Targeting thread1Err16ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 203 more)] === [2023-11-29 01:26:54,464 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 01:26:54,464 INFO L85 PathProgramCache]: Analyzing trace with hash 1766475863, now seen corresponding path program 1 times [2023-11-29 01:26:54,464 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 01:26:54,464 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [662387412] [2023-11-29 01:26:54,465 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 01:26:54,465 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 01:26:54,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:26:54,501 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 01:26:54,501 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 01:26:54,501 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [662387412] [2023-11-29 01:26:54,501 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [662387412] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 01:26:54,501 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 01:26:54,502 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-29 01:26:54,502 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2128782851] [2023-11-29 01:26:54,502 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 01:26:54,502 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 01:26:54,503 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 01:26:54,503 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 01:26:54,503 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 01:26:54,614 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 542 out of 587 [2023-11-29 01:26:54,616 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 465 places, 457 transitions, 1109 flow. Second operand has 3 states, 3 states have (on average 549.0) internal successors, (1647), 3 states have internal predecessors, (1647), 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) [2023-11-29 01:26:54,616 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 01:26:54,616 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 542 of 587 [2023-11-29 01:26:54,616 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 01:26:55,706 INFO L124 PetriNetUnfolderBase]: 365/4277 cut-off events. [2023-11-29 01:26:55,706 INFO L125 PetriNetUnfolderBase]: For 181/187 co-relation queries the response was YES. [2023-11-29 01:26:55,752 INFO L83 FinitePrefix]: Finished finitePrefix Result has 6048 conditions, 4277 events. 365/4277 cut-off events. For 181/187 co-relation queries the response was YES. Maximal size of possible extension queue 81. Compared 41875 event pairs, 226 based on Foata normal form. 0/4000 useless extension candidates. Maximal degree in co-relation 5448. Up to 528 conditions per place. [2023-11-29 01:26:55,771 INFO L140 encePairwiseOnDemand]: 584/587 looper letters, 37 selfloop transitions, 2 changer transitions 0/459 dead transitions. [2023-11-29 01:26:55,771 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 466 places, 459 transitions, 1194 flow [2023-11-29 01:26:55,771 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 01:26:55,771 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-29 01:26:55,774 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1665 transitions. [2023-11-29 01:26:55,774 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.9454855195911414 [2023-11-29 01:26:55,774 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1665 transitions. [2023-11-29 01:26:55,774 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1665 transitions. [2023-11-29 01:26:55,775 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 01:26:55,775 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1665 transitions. [2023-11-29 01:26:55,776 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 555.0) internal successors, (1665), 3 states have internal predecessors, (1665), 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) [2023-11-29 01:26:55,778 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 587.0) internal successors, (2348), 4 states have internal predecessors, (2348), 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) [2023-11-29 01:26:55,778 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 587.0) internal successors, (2348), 4 states have internal predecessors, (2348), 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) [2023-11-29 01:26:55,779 INFO L175 Difference]: Start difference. First operand has 465 places, 457 transitions, 1109 flow. Second operand 3 states and 1665 transitions. [2023-11-29 01:26:55,779 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 466 places, 459 transitions, 1194 flow [2023-11-29 01:26:55,784 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 464 places, 459 transitions, 1190 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-11-29 01:26:55,789 INFO L231 Difference]: Finished difference. Result has 464 places, 456 transitions, 1107 flow [2023-11-29 01:26:55,790 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=587, PETRI_DIFFERENCE_MINUEND_FLOW=1103, PETRI_DIFFERENCE_MINUEND_PLACES=462, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=456, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=454, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1107, PETRI_PLACES=464, PETRI_TRANSITIONS=456} [2023-11-29 01:26:55,790 INFO L281 CegarLoopForPetriNet]: 556 programPoint places, -92 predicate places. [2023-11-29 01:26:55,790 INFO L495 AbstractCegarLoop]: Abstraction has has 464 places, 456 transitions, 1107 flow [2023-11-29 01:26:55,791 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 549.0) internal successors, (1647), 3 states have internal predecessors, (1647), 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) [2023-11-29 01:26:55,791 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 01:26:55,791 INFO L208 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] [2023-11-29 01:26:55,791 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26 [2023-11-29 01:26:55,791 INFO L420 AbstractCegarLoop]: === Iteration 28 === Targeting thread4Err10ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 203 more)] === [2023-11-29 01:26:55,791 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 01:26:55,791 INFO L85 PathProgramCache]: Analyzing trace with hash 1298120834, now seen corresponding path program 1 times [2023-11-29 01:26:55,791 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 01:26:55,792 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1451571599] [2023-11-29 01:26:55,792 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 01:26:55,792 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 01:26:55,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:26:55,833 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 01:26:55,833 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 01:26:55,833 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1451571599] [2023-11-29 01:26:55,833 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1451571599] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 01:26:55,833 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 01:26:55,833 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-29 01:26:55,834 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1070695405] [2023-11-29 01:26:55,834 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 01:26:55,834 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 01:26:55,834 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 01:26:55,835 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 01:26:55,835 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 01:26:55,920 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 543 out of 587 [2023-11-29 01:26:55,922 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 464 places, 456 transitions, 1107 flow. Second operand has 3 states, 3 states have (on average 548.6666666666666) internal successors, (1646), 3 states have internal predecessors, (1646), 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) [2023-11-29 01:26:55,922 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 01:26:55,922 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 543 of 587 [2023-11-29 01:26:55,922 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 01:26:56,655 INFO L124 PetriNetUnfolderBase]: 264/3517 cut-off events. [2023-11-29 01:26:56,655 INFO L125 PetriNetUnfolderBase]: For 342/347 co-relation queries the response was YES. [2023-11-29 01:26:56,691 INFO L83 FinitePrefix]: Finished finitePrefix Result has 4809 conditions, 3517 events. 264/3517 cut-off events. For 342/347 co-relation queries the response was YES. Maximal size of possible extension queue 78. Compared 32799 event pairs, 156 based on Foata normal form. 0/3271 useless extension candidates. Maximal degree in co-relation 4666. Up to 480 conditions per place. [2023-11-29 01:26:56,704 INFO L140 encePairwiseOnDemand]: 584/587 looper letters, 36 selfloop transitions, 2 changer transitions 0/458 dead transitions. [2023-11-29 01:26:56,704 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 465 places, 458 transitions, 1190 flow [2023-11-29 01:26:56,704 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 01:26:56,704 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-29 01:26:56,707 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1667 transitions. [2023-11-29 01:26:56,708 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.9466212379329926 [2023-11-29 01:26:56,708 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1667 transitions. [2023-11-29 01:26:56,708 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1667 transitions. [2023-11-29 01:26:56,709 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 01:26:56,709 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1667 transitions. [2023-11-29 01:26:56,711 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 555.6666666666666) internal successors, (1667), 3 states have internal predecessors, (1667), 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) [2023-11-29 01:26:56,712 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 587.0) internal successors, (2348), 4 states have internal predecessors, (2348), 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) [2023-11-29 01:26:56,713 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 587.0) internal successors, (2348), 4 states have internal predecessors, (2348), 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) [2023-11-29 01:26:56,713 INFO L175 Difference]: Start difference. First operand has 464 places, 456 transitions, 1107 flow. Second operand 3 states and 1667 transitions. [2023-11-29 01:26:56,713 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 465 places, 458 transitions, 1190 flow [2023-11-29 01:26:56,718 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 463 places, 458 transitions, 1186 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-11-29 01:26:56,724 INFO L231 Difference]: Finished difference. Result has 463 places, 455 transitions, 1105 flow [2023-11-29 01:26:56,725 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=587, PETRI_DIFFERENCE_MINUEND_FLOW=1101, PETRI_DIFFERENCE_MINUEND_PLACES=461, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=455, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=453, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1105, PETRI_PLACES=463, PETRI_TRANSITIONS=455} [2023-11-29 01:26:56,726 INFO L281 CegarLoopForPetriNet]: 556 programPoint places, -93 predicate places. [2023-11-29 01:26:56,726 INFO L495 AbstractCegarLoop]: Abstraction has has 463 places, 455 transitions, 1105 flow [2023-11-29 01:26:56,726 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 548.6666666666666) internal successors, (1646), 3 states have internal predecessors, (1646), 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) [2023-11-29 01:26:56,726 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 01:26:56,726 INFO L208 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] [2023-11-29 01:26:56,726 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable27 [2023-11-29 01:26:56,727 INFO L420 AbstractCegarLoop]: === Iteration 29 === Targeting thread3Err13ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 203 more)] === [2023-11-29 01:26:56,727 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 01:26:56,727 INFO L85 PathProgramCache]: Analyzing trace with hash -1706937854, now seen corresponding path program 1 times [2023-11-29 01:26:56,727 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 01:26:56,727 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1349671356] [2023-11-29 01:26:56,727 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 01:26:56,727 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 01:26:56,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:26:56,767 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 01:26:56,767 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 01:26:56,767 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1349671356] [2023-11-29 01:26:56,767 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1349671356] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 01:26:56,767 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 01:26:56,767 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-29 01:26:56,768 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [407443461] [2023-11-29 01:26:56,768 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 01:26:56,768 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 01:26:56,768 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 01:26:56,769 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 01:26:56,769 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 01:26:56,873 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 542 out of 587 [2023-11-29 01:26:56,874 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 463 places, 455 transitions, 1105 flow. Second operand has 3 states, 3 states have (on average 548.3333333333334) internal successors, (1645), 3 states have internal predecessors, (1645), 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) [2023-11-29 01:26:56,874 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 01:26:56,874 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 542 of 587 [2023-11-29 01:26:56,874 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 01:26:57,876 INFO L124 PetriNetUnfolderBase]: 464/4492 cut-off events. [2023-11-29 01:26:57,876 INFO L125 PetriNetUnfolderBase]: For 488/497 co-relation queries the response was YES. [2023-11-29 01:26:57,912 INFO L83 FinitePrefix]: Finished finitePrefix Result has 6539 conditions, 4492 events. 464/4492 cut-off events. For 488/497 co-relation queries the response was YES. Maximal size of possible extension queue 111. Compared 45390 event pairs, 316 based on Foata normal form. 0/4215 useless extension candidates. Maximal degree in co-relation 5984. Up to 853 conditions per place. [2023-11-29 01:26:57,930 INFO L140 encePairwiseOnDemand]: 584/587 looper letters, 38 selfloop transitions, 2 changer transitions 0/457 dead transitions. [2023-11-29 01:26:57,930 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 464 places, 457 transitions, 1192 flow [2023-11-29 01:26:57,931 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 01:26:57,931 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-29 01:26:57,933 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1665 transitions. [2023-11-29 01:26:57,934 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.9454855195911414 [2023-11-29 01:26:57,934 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1665 transitions. [2023-11-29 01:26:57,934 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1665 transitions. [2023-11-29 01:26:57,934 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 01:26:57,934 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1665 transitions. [2023-11-29 01:26:57,936 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 555.0) internal successors, (1665), 3 states have internal predecessors, (1665), 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) [2023-11-29 01:26:57,937 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 587.0) internal successors, (2348), 4 states have internal predecessors, (2348), 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) [2023-11-29 01:26:57,937 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 587.0) internal successors, (2348), 4 states have internal predecessors, (2348), 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) [2023-11-29 01:26:57,937 INFO L175 Difference]: Start difference. First operand has 463 places, 455 transitions, 1105 flow. Second operand 3 states and 1665 transitions. [2023-11-29 01:26:57,937 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 464 places, 457 transitions, 1192 flow [2023-11-29 01:26:57,940 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 462 places, 457 transitions, 1188 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-11-29 01:26:57,944 INFO L231 Difference]: Finished difference. Result has 462 places, 454 transitions, 1103 flow [2023-11-29 01:26:57,945 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=587, PETRI_DIFFERENCE_MINUEND_FLOW=1099, PETRI_DIFFERENCE_MINUEND_PLACES=460, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=454, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=452, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1103, PETRI_PLACES=462, PETRI_TRANSITIONS=454} [2023-11-29 01:26:57,945 INFO L281 CegarLoopForPetriNet]: 556 programPoint places, -94 predicate places. [2023-11-29 01:26:57,945 INFO L495 AbstractCegarLoop]: Abstraction has has 462 places, 454 transitions, 1103 flow [2023-11-29 01:26:57,946 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 548.3333333333334) internal successors, (1645), 3 states have internal predecessors, (1645), 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) [2023-11-29 01:26:57,946 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 01:26:57,946 INFO L208 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] [2023-11-29 01:26:57,946 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable28 [2023-11-29 01:26:57,946 INFO L420 AbstractCegarLoop]: === Iteration 30 === Targeting thread2Err16ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 203 more)] === [2023-11-29 01:26:57,947 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 01:26:57,947 INFO L85 PathProgramCache]: Analyzing trace with hash -366207165, now seen corresponding path program 1 times [2023-11-29 01:26:57,947 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 01:26:57,947 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1872916320] [2023-11-29 01:26:57,947 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 01:26:57,947 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 01:26:57,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:26:57,975 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 01:26:57,975 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 01:26:57,975 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1872916320] [2023-11-29 01:26:57,976 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1872916320] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 01:26:57,976 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 01:26:57,976 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-29 01:26:57,976 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1965766025] [2023-11-29 01:26:57,976 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 01:26:57,976 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 01:26:57,977 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 01:26:57,977 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 01:26:57,977 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 01:26:58,078 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 543 out of 587 [2023-11-29 01:26:58,079 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 462 places, 454 transitions, 1103 flow. Second operand has 3 states, 3 states have (on average 550.3333333333334) internal successors, (1651), 3 states have internal predecessors, (1651), 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) [2023-11-29 01:26:58,079 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 01:26:58,080 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 543 of 587 [2023-11-29 01:26:58,080 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 01:26:59,743 INFO L124 PetriNetUnfolderBase]: 740/7016 cut-off events. [2023-11-29 01:26:59,743 INFO L125 PetriNetUnfolderBase]: For 595/598 co-relation queries the response was YES. [2023-11-29 01:26:59,838 INFO L83 FinitePrefix]: Finished finitePrefix Result has 10215 conditions, 7016 events. 740/7016 cut-off events. For 595/598 co-relation queries the response was YES. Maximal size of possible extension queue 155. Compared 77059 event pairs, 499 based on Foata normal form. 0/6628 useless extension candidates. Maximal degree in co-relation 9505. Up to 1234 conditions per place. [2023-11-29 01:26:59,873 INFO L140 encePairwiseOnDemand]: 584/587 looper letters, 36 selfloop transitions, 2 changer transitions 0/456 dead transitions. [2023-11-29 01:26:59,873 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 463 places, 456 transitions, 1186 flow [2023-11-29 01:26:59,873 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 01:26:59,873 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-29 01:26:59,877 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1667 transitions. [2023-11-29 01:26:59,877 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.9466212379329926 [2023-11-29 01:26:59,878 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1667 transitions. [2023-11-29 01:26:59,878 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1667 transitions. [2023-11-29 01:26:59,878 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 01:26:59,878 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1667 transitions. [2023-11-29 01:26:59,879 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 555.6666666666666) internal successors, (1667), 3 states have internal predecessors, (1667), 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) [2023-11-29 01:26:59,880 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 587.0) internal successors, (2348), 4 states have internal predecessors, (2348), 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) [2023-11-29 01:26:59,881 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 587.0) internal successors, (2348), 4 states have internal predecessors, (2348), 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) [2023-11-29 01:26:59,881 INFO L175 Difference]: Start difference. First operand has 462 places, 454 transitions, 1103 flow. Second operand 3 states and 1667 transitions. [2023-11-29 01:26:59,881 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 463 places, 456 transitions, 1186 flow [2023-11-29 01:26:59,886 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 461 places, 456 transitions, 1182 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-11-29 01:26:59,890 INFO L231 Difference]: Finished difference. Result has 461 places, 453 transitions, 1101 flow [2023-11-29 01:26:59,890 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=587, PETRI_DIFFERENCE_MINUEND_FLOW=1097, PETRI_DIFFERENCE_MINUEND_PLACES=459, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=453, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=451, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1101, PETRI_PLACES=461, PETRI_TRANSITIONS=453} [2023-11-29 01:26:59,890 INFO L281 CegarLoopForPetriNet]: 556 programPoint places, -95 predicate places. [2023-11-29 01:26:59,890 INFO L495 AbstractCegarLoop]: Abstraction has has 461 places, 453 transitions, 1101 flow [2023-11-29 01:26:59,891 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 550.3333333333334) internal successors, (1651), 3 states have internal predecessors, (1651), 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) [2023-11-29 01:26:59,891 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 01:26:59,891 INFO L208 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] [2023-11-29 01:26:59,891 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29 [2023-11-29 01:26:59,891 INFO L420 AbstractCegarLoop]: === Iteration 31 === Targeting ULTIMATE.startErr13ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 203 more)] === [2023-11-29 01:26:59,891 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 01:26:59,891 INFO L85 PathProgramCache]: Analyzing trace with hash 357466264, now seen corresponding path program 1 times [2023-11-29 01:26:59,891 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 01:26:59,892 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1024760515] [2023-11-29 01:26:59,892 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 01:26:59,892 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 01:26:59,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:27:00,397 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 01:27:00,397 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 01:27:00,398 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1024760515] [2023-11-29 01:27:00,398 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1024760515] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 01:27:00,398 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 01:27:00,398 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-29 01:27:00,398 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1086655126] [2023-11-29 01:27:00,398 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 01:27:00,398 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-29 01:27:00,399 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 01:27:00,399 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-29 01:27:00,399 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-11-29 01:27:00,567 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 562 out of 587 [2023-11-29 01:27:00,569 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 461 places, 453 transitions, 1101 flow. Second operand has 6 states, 6 states have (on average 564.1666666666666) internal successors, (3385), 6 states have internal predecessors, (3385), 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) [2023-11-29 01:27:00,570 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 01:27:00,570 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 562 of 587 [2023-11-29 01:27:00,570 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 01:27:01,058 INFO L124 PetriNetUnfolderBase]: 88/2585 cut-off events. [2023-11-29 01:27:01,058 INFO L125 PetriNetUnfolderBase]: For 24/24 co-relation queries the response was YES. [2023-11-29 01:27:01,083 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3265 conditions, 2585 events. 88/2585 cut-off events. For 24/24 co-relation queries the response was YES. Maximal size of possible extension queue 39. Compared 21117 event pairs, 8 based on Foata normal form. 0/2427 useless extension candidates. Maximal degree in co-relation 2891. Up to 112 conditions per place. [2023-11-29 01:27:01,090 INFO L140 encePairwiseOnDemand]: 582/587 looper letters, 10 selfloop transitions, 4 changer transitions 0/452 dead transitions. [2023-11-29 01:27:01,090 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 465 places, 452 transitions, 1127 flow [2023-11-29 01:27:01,091 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-29 01:27:01,091 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-11-29 01:27:01,095 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 3387 transitions. [2023-11-29 01:27:01,095 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.9616695059625213 [2023-11-29 01:27:01,096 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 3387 transitions. [2023-11-29 01:27:01,096 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 3387 transitions. [2023-11-29 01:27:01,097 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 01:27:01,097 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 3387 transitions. [2023-11-29 01:27:01,101 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 564.5) internal successors, (3387), 6 states have internal predecessors, (3387), 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) [2023-11-29 01:27:01,104 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 587.0) internal successors, (4109), 7 states have internal predecessors, (4109), 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) [2023-11-29 01:27:01,104 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 587.0) internal successors, (4109), 7 states have internal predecessors, (4109), 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) [2023-11-29 01:27:01,105 INFO L175 Difference]: Start difference. First operand has 461 places, 453 transitions, 1101 flow. Second operand 6 states and 3387 transitions. [2023-11-29 01:27:01,105 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 465 places, 452 transitions, 1127 flow [2023-11-29 01:27:01,110 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 463 places, 452 transitions, 1123 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-11-29 01:27:01,116 INFO L231 Difference]: Finished difference. Result has 463 places, 452 transitions, 1103 flow [2023-11-29 01:27:01,116 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=587, PETRI_DIFFERENCE_MINUEND_FLOW=1095, PETRI_DIFFERENCE_MINUEND_PLACES=458, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=452, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=448, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=1103, PETRI_PLACES=463, PETRI_TRANSITIONS=452} [2023-11-29 01:27:01,117 INFO L281 CegarLoopForPetriNet]: 556 programPoint places, -93 predicate places. [2023-11-29 01:27:01,117 INFO L495 AbstractCegarLoop]: Abstraction has has 463 places, 452 transitions, 1103 flow [2023-11-29 01:27:01,117 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 564.1666666666666) internal successors, (3385), 6 states have internal predecessors, (3385), 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) [2023-11-29 01:27:01,117 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 01:27:01,118 INFO L208 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] [2023-11-29 01:27:01,118 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable30 [2023-11-29 01:27:01,118 INFO L420 AbstractCegarLoop]: === Iteration 32 === Targeting thread1Err19ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 203 more)] === [2023-11-29 01:27:01,118 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 01:27:01,118 INFO L85 PathProgramCache]: Analyzing trace with hash 489894306, now seen corresponding path program 1 times [2023-11-29 01:27:01,118 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 01:27:01,118 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2041265448] [2023-11-29 01:27:01,119 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 01:27:01,119 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 01:27:01,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:27:01,147 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 01:27:01,147 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 01:27:01,147 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2041265448] [2023-11-29 01:27:01,147 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2041265448] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 01:27:01,147 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 01:27:01,147 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-29 01:27:01,147 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1836297589] [2023-11-29 01:27:01,147 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 01:27:01,148 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 01:27:01,148 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 01:27:01,148 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 01:27:01,149 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 01:27:01,243 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 542 out of 587 [2023-11-29 01:27:01,244 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 463 places, 452 transitions, 1103 flow. Second operand has 3 states, 3 states have (on average 550.0) internal successors, (1650), 3 states have internal predecessors, (1650), 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) [2023-11-29 01:27:01,244 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 01:27:01,244 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 542 of 587 [2023-11-29 01:27:01,244 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 01:27:02,068 INFO L124 PetriNetUnfolderBase]: 365/4226 cut-off events. [2023-11-29 01:27:02,068 INFO L125 PetriNetUnfolderBase]: For 169/175 co-relation queries the response was YES. [2023-11-29 01:27:02,111 INFO L83 FinitePrefix]: Finished finitePrefix Result has 5985 conditions, 4226 events. 365/4226 cut-off events. For 169/175 co-relation queries the response was YES. Maximal size of possible extension queue 81. Compared 41108 event pairs, 226 based on Foata normal form. 0/4000 useless extension candidates. Maximal degree in co-relation 5926. Up to 528 conditions per place. [2023-11-29 01:27:02,133 INFO L140 encePairwiseOnDemand]: 584/587 looper letters, 37 selfloop transitions, 2 changer transitions 0/454 dead transitions. [2023-11-29 01:27:02,133 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 464 places, 454 transitions, 1188 flow [2023-11-29 01:27:02,133 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 01:27:02,134 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-29 01:27:02,135 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1665 transitions. [2023-11-29 01:27:02,135 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.9454855195911414 [2023-11-29 01:27:02,135 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1665 transitions. [2023-11-29 01:27:02,135 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1665 transitions. [2023-11-29 01:27:02,136 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 01:27:02,136 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1665 transitions. [2023-11-29 01:27:02,138 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 555.0) internal successors, (1665), 3 states have internal predecessors, (1665), 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) [2023-11-29 01:27:02,140 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 587.0) internal successors, (2348), 4 states have internal predecessors, (2348), 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) [2023-11-29 01:27:02,140 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 587.0) internal successors, (2348), 4 states have internal predecessors, (2348), 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) [2023-11-29 01:27:02,140 INFO L175 Difference]: Start difference. First operand has 463 places, 452 transitions, 1103 flow. Second operand 3 states and 1665 transitions. [2023-11-29 01:27:02,140 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 464 places, 454 transitions, 1188 flow [2023-11-29 01:27:02,146 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 460 places, 454 transitions, 1181 flow, removed 0 selfloop flow, removed 4 redundant places. [2023-11-29 01:27:02,151 INFO L231 Difference]: Finished difference. Result has 460 places, 451 transitions, 1098 flow [2023-11-29 01:27:02,152 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=587, PETRI_DIFFERENCE_MINUEND_FLOW=1094, PETRI_DIFFERENCE_MINUEND_PLACES=458, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=451, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=449, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1098, PETRI_PLACES=460, PETRI_TRANSITIONS=451} [2023-11-29 01:27:02,153 INFO L281 CegarLoopForPetriNet]: 556 programPoint places, -96 predicate places. [2023-11-29 01:27:02,153 INFO L495 AbstractCegarLoop]: Abstraction has has 460 places, 451 transitions, 1098 flow [2023-11-29 01:27:02,153 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 550.0) internal successors, (1650), 3 states have internal predecessors, (1650), 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) [2023-11-29 01:27:02,153 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 01:27:02,153 INFO L208 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] [2023-11-29 01:27:02,153 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable31 [2023-11-29 01:27:02,154 INFO L420 AbstractCegarLoop]: === Iteration 33 === Targeting thread4Err13ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 203 more)] === [2023-11-29 01:27:02,154 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 01:27:02,154 INFO L85 PathProgramCache]: Analyzing trace with hash -606849313, now seen corresponding path program 1 times [2023-11-29 01:27:02,154 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 01:27:02,154 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1760997435] [2023-11-29 01:27:02,154 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 01:27:02,154 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 01:27:02,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:27:02,193 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 01:27:02,193 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 01:27:02,193 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1760997435] [2023-11-29 01:27:02,193 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1760997435] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 01:27:02,193 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 01:27:02,193 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-29 01:27:02,193 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1077214897] [2023-11-29 01:27:02,193 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 01:27:02,194 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 01:27:02,194 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 01:27:02,194 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 01:27:02,194 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 01:27:02,291 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 543 out of 587 [2023-11-29 01:27:02,292 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 460 places, 451 transitions, 1098 flow. Second operand has 3 states, 3 states have (on average 549.6666666666666) internal successors, (1649), 3 states have internal predecessors, (1649), 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) [2023-11-29 01:27:02,293 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 01:27:02,293 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 543 of 587 [2023-11-29 01:27:02,293 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 01:27:03,019 INFO L124 PetriNetUnfolderBase]: 264/3471 cut-off events. [2023-11-29 01:27:03,019 INFO L125 PetriNetUnfolderBase]: For 342/347 co-relation queries the response was YES. [2023-11-29 01:27:03,043 INFO L83 FinitePrefix]: Finished finitePrefix Result has 4770 conditions, 3471 events. 264/3471 cut-off events. For 342/347 co-relation queries the response was YES. Maximal size of possible extension queue 76. Compared 32146 event pairs, 156 based on Foata normal form. 0/3271 useless extension candidates. Maximal degree in co-relation 4663. Up to 480 conditions per place. [2023-11-29 01:27:03,053 INFO L140 encePairwiseOnDemand]: 584/587 looper letters, 36 selfloop transitions, 2 changer transitions 0/453 dead transitions. [2023-11-29 01:27:03,053 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 461 places, 453 transitions, 1181 flow [2023-11-29 01:27:03,053 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 01:27:03,053 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-29 01:27:03,054 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1667 transitions. [2023-11-29 01:27:03,055 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.9466212379329926 [2023-11-29 01:27:03,055 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1667 transitions. [2023-11-29 01:27:03,055 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1667 transitions. [2023-11-29 01:27:03,055 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 01:27:03,055 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1667 transitions. [2023-11-29 01:27:03,057 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 555.6666666666666) internal successors, (1667), 3 states have internal predecessors, (1667), 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) [2023-11-29 01:27:03,059 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 587.0) internal successors, (2348), 4 states have internal predecessors, (2348), 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) [2023-11-29 01:27:03,059 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 587.0) internal successors, (2348), 4 states have internal predecessors, (2348), 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) [2023-11-29 01:27:03,059 INFO L175 Difference]: Start difference. First operand has 460 places, 451 transitions, 1098 flow. Second operand 3 states and 1667 transitions. [2023-11-29 01:27:03,059 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 461 places, 453 transitions, 1181 flow [2023-11-29 01:27:03,063 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 459 places, 453 transitions, 1177 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-11-29 01:27:03,067 INFO L231 Difference]: Finished difference. Result has 459 places, 450 transitions, 1096 flow [2023-11-29 01:27:03,067 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=587, PETRI_DIFFERENCE_MINUEND_FLOW=1092, PETRI_DIFFERENCE_MINUEND_PLACES=457, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=450, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=448, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1096, PETRI_PLACES=459, PETRI_TRANSITIONS=450} [2023-11-29 01:27:03,067 INFO L281 CegarLoopForPetriNet]: 556 programPoint places, -97 predicate places. [2023-11-29 01:27:03,067 INFO L495 AbstractCegarLoop]: Abstraction has has 459 places, 450 transitions, 1096 flow [2023-11-29 01:27:03,068 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 549.6666666666666) internal successors, (1649), 3 states have internal predecessors, (1649), 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) [2023-11-29 01:27:03,068 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 01:27:03,068 INFO L208 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] [2023-11-29 01:27:03,068 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable32 [2023-11-29 01:27:03,068 INFO L420 AbstractCegarLoop]: === Iteration 34 === Targeting thread3Err16ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 203 more)] === [2023-11-29 01:27:03,068 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 01:27:03,068 INFO L85 PathProgramCache]: Analyzing trace with hash -791109877, now seen corresponding path program 1 times [2023-11-29 01:27:03,068 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 01:27:03,068 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1454669959] [2023-11-29 01:27:03,068 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 01:27:03,068 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 01:27:03,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:27:03,102 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 01:27:03,103 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 01:27:03,103 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1454669959] [2023-11-29 01:27:03,103 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1454669959] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 01:27:03,103 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 01:27:03,103 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-29 01:27:03,103 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1458889273] [2023-11-29 01:27:03,103 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 01:27:03,103 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 01:27:03,104 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 01:27:03,104 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 01:27:03,104 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 01:27:03,195 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 542 out of 587 [2023-11-29 01:27:03,196 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 459 places, 450 transitions, 1096 flow. Second operand has 3 states, 3 states have (on average 549.3333333333334) internal successors, (1648), 3 states have internal predecessors, (1648), 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) [2023-11-29 01:27:03,196 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 01:27:03,196 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 542 of 587 [2023-11-29 01:27:03,196 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 01:27:04,154 INFO L124 PetriNetUnfolderBase]: 464/4467 cut-off events. [2023-11-29 01:27:04,154 INFO L125 PetriNetUnfolderBase]: For 488/497 co-relation queries the response was YES. [2023-11-29 01:27:04,205 INFO L83 FinitePrefix]: Finished finitePrefix Result has 6527 conditions, 4467 events. 464/4467 cut-off events. For 488/497 co-relation queries the response was YES. Maximal size of possible extension queue 105. Compared 45128 event pairs, 316 based on Foata normal form. 0/4245 useless extension candidates. Maximal degree in co-relation 6080. Up to 853 conditions per place. [2023-11-29 01:27:04,224 INFO L140 encePairwiseOnDemand]: 584/587 looper letters, 38 selfloop transitions, 2 changer transitions 0/452 dead transitions. [2023-11-29 01:27:04,224 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 460 places, 452 transitions, 1183 flow [2023-11-29 01:27:04,225 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 01:27:04,225 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-29 01:27:04,225 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1665 transitions. [2023-11-29 01:27:04,226 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.9454855195911414 [2023-11-29 01:27:04,226 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1665 transitions. [2023-11-29 01:27:04,226 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1665 transitions. [2023-11-29 01:27:04,227 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 01:27:04,227 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1665 transitions. [2023-11-29 01:27:04,229 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 555.0) internal successors, (1665), 3 states have internal predecessors, (1665), 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) [2023-11-29 01:27:04,230 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 587.0) internal successors, (2348), 4 states have internal predecessors, (2348), 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) [2023-11-29 01:27:04,230 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 587.0) internal successors, (2348), 4 states have internal predecessors, (2348), 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) [2023-11-29 01:27:04,230 INFO L175 Difference]: Start difference. First operand has 459 places, 450 transitions, 1096 flow. Second operand 3 states and 1665 transitions. [2023-11-29 01:27:04,231 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 460 places, 452 transitions, 1183 flow [2023-11-29 01:27:04,235 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 458 places, 452 transitions, 1179 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-11-29 01:27:04,238 INFO L231 Difference]: Finished difference. Result has 458 places, 449 transitions, 1094 flow [2023-11-29 01:27:04,239 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=587, PETRI_DIFFERENCE_MINUEND_FLOW=1090, PETRI_DIFFERENCE_MINUEND_PLACES=456, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=449, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=447, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1094, PETRI_PLACES=458, PETRI_TRANSITIONS=449} [2023-11-29 01:27:04,239 INFO L281 CegarLoopForPetriNet]: 556 programPoint places, -98 predicate places. [2023-11-29 01:27:04,239 INFO L495 AbstractCegarLoop]: Abstraction has has 458 places, 449 transitions, 1094 flow [2023-11-29 01:27:04,239 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 549.3333333333334) internal successors, (1648), 3 states have internal predecessors, (1648), 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) [2023-11-29 01:27:04,239 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 01:27:04,239 INFO L208 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] [2023-11-29 01:27:04,239 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable33 [2023-11-29 01:27:04,240 INFO L420 AbstractCegarLoop]: === Iteration 35 === Targeting thread2Err19ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 203 more)] === [2023-11-29 01:27:04,240 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 01:27:04,240 INFO L85 PathProgramCache]: Analyzing trace with hash -1351732074, now seen corresponding path program 1 times [2023-11-29 01:27:04,240 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 01:27:04,240 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1070010445] [2023-11-29 01:27:04,240 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 01:27:04,240 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 01:27:04,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:27:04,268 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 01:27:04,268 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 01:27:04,268 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1070010445] [2023-11-29 01:27:04,268 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1070010445] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 01:27:04,268 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 01:27:04,269 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-29 01:27:04,269 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1221674209] [2023-11-29 01:27:04,269 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 01:27:04,269 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 01:27:04,270 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 01:27:04,270 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 01:27:04,270 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 01:27:04,355 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 543 out of 587 [2023-11-29 01:27:04,356 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 458 places, 449 transitions, 1094 flow. Second operand has 3 states, 3 states have (on average 551.3333333333334) internal successors, (1654), 3 states have internal predecessors, (1654), 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) [2023-11-29 01:27:04,357 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 01:27:04,357 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 543 of 587 [2023-11-29 01:27:04,357 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 01:27:06,098 INFO L124 PetriNetUnfolderBase]: 752/7272 cut-off events. [2023-11-29 01:27:06,099 INFO L125 PetriNetUnfolderBase]: For 595/598 co-relation queries the response was YES. [2023-11-29 01:27:06,200 INFO L83 FinitePrefix]: Finished finitePrefix Result has 10546 conditions, 7272 events. 752/7272 cut-off events. For 595/598 co-relation queries the response was YES. Maximal size of possible extension queue 150. Compared 79198 event pairs, 499 based on Foata normal form. 0/6946 useless extension candidates. Maximal degree in co-relation 9998. Up to 1234 conditions per place. [2023-11-29 01:27:06,233 INFO L140 encePairwiseOnDemand]: 584/587 looper letters, 36 selfloop transitions, 2 changer transitions 0/451 dead transitions. [2023-11-29 01:27:06,233 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 459 places, 451 transitions, 1177 flow [2023-11-29 01:27:06,234 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 01:27:06,234 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-29 01:27:06,235 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1667 transitions. [2023-11-29 01:27:06,235 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.9466212379329926 [2023-11-29 01:27:06,235 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1667 transitions. [2023-11-29 01:27:06,235 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1667 transitions. [2023-11-29 01:27:06,236 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 01:27:06,236 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1667 transitions. [2023-11-29 01:27:06,237 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 555.6666666666666) internal successors, (1667), 3 states have internal predecessors, (1667), 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) [2023-11-29 01:27:06,238 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 587.0) internal successors, (2348), 4 states have internal predecessors, (2348), 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) [2023-11-29 01:27:06,238 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 587.0) internal successors, (2348), 4 states have internal predecessors, (2348), 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) [2023-11-29 01:27:06,238 INFO L175 Difference]: Start difference. First operand has 458 places, 449 transitions, 1094 flow. Second operand 3 states and 1667 transitions. [2023-11-29 01:27:06,238 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 459 places, 451 transitions, 1177 flow [2023-11-29 01:27:06,243 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 457 places, 451 transitions, 1173 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-11-29 01:27:06,246 INFO L231 Difference]: Finished difference. Result has 457 places, 448 transitions, 1092 flow [2023-11-29 01:27:06,246 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=587, PETRI_DIFFERENCE_MINUEND_FLOW=1088, PETRI_DIFFERENCE_MINUEND_PLACES=455, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=448, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=446, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1092, PETRI_PLACES=457, PETRI_TRANSITIONS=448} [2023-11-29 01:27:06,247 INFO L281 CegarLoopForPetriNet]: 556 programPoint places, -99 predicate places. [2023-11-29 01:27:06,247 INFO L495 AbstractCegarLoop]: Abstraction has has 457 places, 448 transitions, 1092 flow [2023-11-29 01:27:06,247 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 551.3333333333334) internal successors, (1654), 3 states have internal predecessors, (1654), 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) [2023-11-29 01:27:06,247 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 01:27:06,247 INFO L208 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] [2023-11-29 01:27:06,247 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable34 [2023-11-29 01:27:06,247 INFO L420 AbstractCegarLoop]: === Iteration 36 === Targeting thread1Err22ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 203 more)] === [2023-11-29 01:27:06,248 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 01:27:06,248 INFO L85 PathProgramCache]: Analyzing trace with hash 427525827, now seen corresponding path program 1 times [2023-11-29 01:27:06,248 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 01:27:06,248 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [517804744] [2023-11-29 01:27:06,248 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 01:27:06,248 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 01:27:06,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:27:06,276 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 01:27:06,277 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 01:27:06,277 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [517804744] [2023-11-29 01:27:06,277 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [517804744] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 01:27:06,277 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 01:27:06,277 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-29 01:27:06,277 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1799055723] [2023-11-29 01:27:06,277 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 01:27:06,278 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 01:27:06,278 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 01:27:06,278 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 01:27:06,278 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 01:27:06,383 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 542 out of 587 [2023-11-29 01:27:06,384 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 457 places, 448 transitions, 1092 flow. Second operand has 3 states, 3 states have (on average 551.0) internal successors, (1653), 3 states have internal predecessors, (1653), 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) [2023-11-29 01:27:06,384 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 01:27:06,384 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 542 of 587 [2023-11-29 01:27:06,384 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 01:27:07,189 INFO L124 PetriNetUnfolderBase]: 365/4178 cut-off events. [2023-11-29 01:27:07,189 INFO L125 PetriNetUnfolderBase]: For 181/187 co-relation queries the response was YES. [2023-11-29 01:27:07,231 INFO L83 FinitePrefix]: Finished finitePrefix Result has 5952 conditions, 4178 events. 365/4178 cut-off events. For 181/187 co-relation queries the response was YES. Maximal size of possible extension queue 79. Compared 40464 event pairs, 226 based on Foata normal form. 0/4000 useless extension candidates. Maximal degree in co-relation 5640. Up to 528 conditions per place. [2023-11-29 01:27:07,247 INFO L140 encePairwiseOnDemand]: 584/587 looper letters, 37 selfloop transitions, 2 changer transitions 0/450 dead transitions. [2023-11-29 01:27:07,247 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 458 places, 450 transitions, 1177 flow [2023-11-29 01:27:07,247 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 01:27:07,248 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-29 01:27:07,248 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1665 transitions. [2023-11-29 01:27:07,249 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.9454855195911414 [2023-11-29 01:27:07,249 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1665 transitions. [2023-11-29 01:27:07,249 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1665 transitions. [2023-11-29 01:27:07,249 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 01:27:07,249 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1665 transitions. [2023-11-29 01:27:07,250 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 555.0) internal successors, (1665), 3 states have internal predecessors, (1665), 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) [2023-11-29 01:27:07,251 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 587.0) internal successors, (2348), 4 states have internal predecessors, (2348), 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) [2023-11-29 01:27:07,251 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 587.0) internal successors, (2348), 4 states have internal predecessors, (2348), 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) [2023-11-29 01:27:07,251 INFO L175 Difference]: Start difference. First operand has 457 places, 448 transitions, 1092 flow. Second operand 3 states and 1665 transitions. [2023-11-29 01:27:07,251 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 458 places, 450 transitions, 1177 flow [2023-11-29 01:27:07,255 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 456 places, 450 transitions, 1173 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-11-29 01:27:07,258 INFO L231 Difference]: Finished difference. Result has 456 places, 447 transitions, 1090 flow [2023-11-29 01:27:07,259 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=587, PETRI_DIFFERENCE_MINUEND_FLOW=1086, PETRI_DIFFERENCE_MINUEND_PLACES=454, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=447, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=445, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1090, PETRI_PLACES=456, PETRI_TRANSITIONS=447} [2023-11-29 01:27:07,259 INFO L281 CegarLoopForPetriNet]: 556 programPoint places, -100 predicate places. [2023-11-29 01:27:07,259 INFO L495 AbstractCegarLoop]: Abstraction has has 456 places, 447 transitions, 1090 flow [2023-11-29 01:27:07,260 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 551.0) internal successors, (1653), 3 states have internal predecessors, (1653), 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) [2023-11-29 01:27:07,260 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 01:27:07,260 INFO L208 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] [2023-11-29 01:27:07,260 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable35 [2023-11-29 01:27:07,260 INFO L420 AbstractCegarLoop]: === Iteration 37 === Targeting thread4Err16ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 203 more)] === [2023-11-29 01:27:07,260 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 01:27:07,260 INFO L85 PathProgramCache]: Analyzing trace with hash 1248432942, now seen corresponding path program 1 times [2023-11-29 01:27:07,260 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 01:27:07,260 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [670069842] [2023-11-29 01:27:07,260 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 01:27:07,260 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 01:27:07,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:27:07,292 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 01:27:07,292 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 01:27:07,292 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [670069842] [2023-11-29 01:27:07,292 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [670069842] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 01:27:07,292 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 01:27:07,292 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-29 01:27:07,292 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1462224211] [2023-11-29 01:27:07,292 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 01:27:07,293 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 01:27:07,293 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 01:27:07,294 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 01:27:07,294 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 01:27:07,381 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 543 out of 587 [2023-11-29 01:27:07,382 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 456 places, 447 transitions, 1090 flow. Second operand has 3 states, 3 states have (on average 550.6666666666666) internal successors, (1652), 3 states have internal predecessors, (1652), 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) [2023-11-29 01:27:07,383 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 01:27:07,383 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 543 of 587 [2023-11-29 01:27:07,383 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 01:27:08,102 INFO L124 PetriNetUnfolderBase]: 264/3432 cut-off events. [2023-11-29 01:27:08,102 INFO L125 PetriNetUnfolderBase]: For 342/347 co-relation queries the response was YES. [2023-11-29 01:27:08,129 INFO L83 FinitePrefix]: Finished finitePrefix Result has 4731 conditions, 3432 events. 264/3432 cut-off events. For 342/347 co-relation queries the response was YES. Maximal size of possible extension queue 71. Compared 31525 event pairs, 156 based on Foata normal form. 0/3271 useless extension candidates. Maximal degree in co-relation 4660. Up to 480 conditions per place. [2023-11-29 01:27:08,138 INFO L140 encePairwiseOnDemand]: 584/587 looper letters, 36 selfloop transitions, 2 changer transitions 0/449 dead transitions. [2023-11-29 01:27:08,138 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 457 places, 449 transitions, 1173 flow [2023-11-29 01:27:08,139 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 01:27:08,139 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-29 01:27:08,140 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1667 transitions. [2023-11-29 01:27:08,140 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.9466212379329926 [2023-11-29 01:27:08,140 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1667 transitions. [2023-11-29 01:27:08,140 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1667 transitions. [2023-11-29 01:27:08,141 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 01:27:08,141 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1667 transitions. [2023-11-29 01:27:08,142 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 555.6666666666666) internal successors, (1667), 3 states have internal predecessors, (1667), 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) [2023-11-29 01:27:08,143 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 587.0) internal successors, (2348), 4 states have internal predecessors, (2348), 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) [2023-11-29 01:27:08,143 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 587.0) internal successors, (2348), 4 states have internal predecessors, (2348), 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) [2023-11-29 01:27:08,143 INFO L175 Difference]: Start difference. First operand has 456 places, 447 transitions, 1090 flow. Second operand 3 states and 1667 transitions. [2023-11-29 01:27:08,143 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 457 places, 449 transitions, 1173 flow [2023-11-29 01:27:08,146 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 455 places, 449 transitions, 1169 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-11-29 01:27:08,149 INFO L231 Difference]: Finished difference. Result has 455 places, 446 transitions, 1088 flow [2023-11-29 01:27:08,149 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=587, PETRI_DIFFERENCE_MINUEND_FLOW=1084, PETRI_DIFFERENCE_MINUEND_PLACES=453, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=446, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=444, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1088, PETRI_PLACES=455, PETRI_TRANSITIONS=446} [2023-11-29 01:27:08,150 INFO L281 CegarLoopForPetriNet]: 556 programPoint places, -101 predicate places. [2023-11-29 01:27:08,150 INFO L495 AbstractCegarLoop]: Abstraction has has 455 places, 446 transitions, 1088 flow [2023-11-29 01:27:08,150 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 550.6666666666666) internal successors, (1652), 3 states have internal predecessors, (1652), 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) [2023-11-29 01:27:08,150 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 01:27:08,150 INFO L208 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] [2023-11-29 01:27:08,150 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable36 [2023-11-29 01:27:08,150 INFO L420 AbstractCegarLoop]: === Iteration 38 === Targeting thread3Err19ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 203 more)] === [2023-11-29 01:27:08,151 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 01:27:08,151 INFO L85 PathProgramCache]: Analyzing trace with hash -528955858, now seen corresponding path program 1 times [2023-11-29 01:27:08,151 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 01:27:08,151 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1405990822] [2023-11-29 01:27:08,151 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 01:27:08,151 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 01:27:08,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:27:08,181 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 01:27:08,182 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 01:27:08,182 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1405990822] [2023-11-29 01:27:08,182 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1405990822] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 01:27:08,182 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 01:27:08,182 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-29 01:27:08,182 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1611322319] [2023-11-29 01:27:08,182 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 01:27:08,183 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 01:27:08,183 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 01:27:08,183 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 01:27:08,183 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 01:27:08,288 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 542 out of 587 [2023-11-29 01:27:08,289 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 455 places, 446 transitions, 1088 flow. Second operand has 3 states, 3 states have (on average 550.3333333333334) internal successors, (1651), 3 states have internal predecessors, (1651), 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) [2023-11-29 01:27:08,290 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 01:27:08,290 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 542 of 587 [2023-11-29 01:27:08,290 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 01:27:09,267 INFO L124 PetriNetUnfolderBase]: 464/4449 cut-off events. [2023-11-29 01:27:09,267 INFO L125 PetriNetUnfolderBase]: For 488/497 co-relation queries the response was YES. [2023-11-29 01:27:09,318 INFO L83 FinitePrefix]: Finished finitePrefix Result has 6515 conditions, 4449 events. 464/4449 cut-off events. For 488/497 co-relation queries the response was YES. Maximal size of possible extension queue 98. Compared 44711 event pairs, 316 based on Foata normal form. 0/4275 useless extension candidates. Maximal degree in co-relation 6176. Up to 853 conditions per place. [2023-11-29 01:27:09,335 INFO L140 encePairwiseOnDemand]: 584/587 looper letters, 38 selfloop transitions, 2 changer transitions 0/448 dead transitions. [2023-11-29 01:27:09,335 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 456 places, 448 transitions, 1175 flow [2023-11-29 01:27:09,336 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 01:27:09,336 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-29 01:27:09,337 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1665 transitions. [2023-11-29 01:27:09,337 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.9454855195911414 [2023-11-29 01:27:09,337 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1665 transitions. [2023-11-29 01:27:09,338 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1665 transitions. [2023-11-29 01:27:09,338 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 01:27:09,338 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1665 transitions. [2023-11-29 01:27:09,339 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 555.0) internal successors, (1665), 3 states have internal predecessors, (1665), 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) [2023-11-29 01:27:09,340 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 587.0) internal successors, (2348), 4 states have internal predecessors, (2348), 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) [2023-11-29 01:27:09,340 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 587.0) internal successors, (2348), 4 states have internal predecessors, (2348), 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) [2023-11-29 01:27:09,340 INFO L175 Difference]: Start difference. First operand has 455 places, 446 transitions, 1088 flow. Second operand 3 states and 1665 transitions. [2023-11-29 01:27:09,340 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 456 places, 448 transitions, 1175 flow [2023-11-29 01:27:09,344 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 454 places, 448 transitions, 1171 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-11-29 01:27:09,347 INFO L231 Difference]: Finished difference. Result has 454 places, 445 transitions, 1086 flow [2023-11-29 01:27:09,347 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=587, PETRI_DIFFERENCE_MINUEND_FLOW=1082, PETRI_DIFFERENCE_MINUEND_PLACES=452, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=445, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=443, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1086, PETRI_PLACES=454, PETRI_TRANSITIONS=445} [2023-11-29 01:27:09,348 INFO L281 CegarLoopForPetriNet]: 556 programPoint places, -102 predicate places. [2023-11-29 01:27:09,348 INFO L495 AbstractCegarLoop]: Abstraction has has 454 places, 445 transitions, 1086 flow [2023-11-29 01:27:09,348 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 550.3333333333334) internal successors, (1651), 3 states have internal predecessors, (1651), 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) [2023-11-29 01:27:09,348 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 01:27:09,348 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 01:27:09,348 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable37 [2023-11-29 01:27:09,348 INFO L420 AbstractCegarLoop]: === Iteration 39 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 203 more)] === [2023-11-29 01:27:09,348 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 01:27:09,349 INFO L85 PathProgramCache]: Analyzing trace with hash -368700532, now seen corresponding path program 1 times [2023-11-29 01:27:09,349 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 01:27:09,349 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2118507687] [2023-11-29 01:27:09,349 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 01:27:09,349 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 01:27:09,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:27:09,714 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 01:27:09,714 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 01:27:09,714 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2118507687] [2023-11-29 01:27:09,715 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2118507687] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 01:27:09,715 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 01:27:09,715 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-29 01:27:09,715 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [497823070] [2023-11-29 01:27:09,715 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 01:27:09,715 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-29 01:27:09,716 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 01:27:09,716 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-29 01:27:09,716 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-11-29 01:27:09,886 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 562 out of 587 [2023-11-29 01:27:09,888 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 454 places, 445 transitions, 1086 flow. Second operand has 6 states, 6 states have (on average 564.3333333333334) internal successors, (3386), 6 states have internal predecessors, (3386), 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) [2023-11-29 01:27:09,888 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 01:27:09,888 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 562 of 587 [2023-11-29 01:27:09,888 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 01:27:10,366 INFO L124 PetriNetUnfolderBase]: 88/2534 cut-off events. [2023-11-29 01:27:10,366 INFO L125 PetriNetUnfolderBase]: For 26/26 co-relation queries the response was YES. [2023-11-29 01:27:10,391 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3199 conditions, 2534 events. 88/2534 cut-off events. For 26/26 co-relation queries the response was YES. Maximal size of possible extension queue 39. Compared 20496 event pairs, 8 based on Foata normal form. 0/2427 useless extension candidates. Maximal degree in co-relation 2974. Up to 112 conditions per place. [2023-11-29 01:27:10,396 INFO L140 encePairwiseOnDemand]: 582/587 looper letters, 10 selfloop transitions, 4 changer transitions 0/444 dead transitions. [2023-11-29 01:27:10,397 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 458 places, 444 transitions, 1112 flow [2023-11-29 01:27:10,397 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-29 01:27:10,397 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-11-29 01:27:10,399 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 3387 transitions. [2023-11-29 01:27:10,400 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.9616695059625213 [2023-11-29 01:27:10,400 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 3387 transitions. [2023-11-29 01:27:10,400 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 3387 transitions. [2023-11-29 01:27:10,400 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 01:27:10,400 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 3387 transitions. [2023-11-29 01:27:10,403 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 564.5) internal successors, (3387), 6 states have internal predecessors, (3387), 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) [2023-11-29 01:27:10,405 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 587.0) internal successors, (4109), 7 states have internal predecessors, (4109), 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) [2023-11-29 01:27:10,405 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 587.0) internal successors, (4109), 7 states have internal predecessors, (4109), 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) [2023-11-29 01:27:10,405 INFO L175 Difference]: Start difference. First operand has 454 places, 445 transitions, 1086 flow. Second operand 6 states and 3387 transitions. [2023-11-29 01:27:10,406 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 458 places, 444 transitions, 1112 flow [2023-11-29 01:27:10,409 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 456 places, 444 transitions, 1108 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-11-29 01:27:10,412 INFO L231 Difference]: Finished difference. Result has 456 places, 444 transitions, 1088 flow [2023-11-29 01:27:10,412 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=587, PETRI_DIFFERENCE_MINUEND_FLOW=1080, PETRI_DIFFERENCE_MINUEND_PLACES=451, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=444, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=440, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=1088, PETRI_PLACES=456, PETRI_TRANSITIONS=444} [2023-11-29 01:27:10,413 INFO L281 CegarLoopForPetriNet]: 556 programPoint places, -100 predicate places. [2023-11-29 01:27:10,413 INFO L495 AbstractCegarLoop]: Abstraction has has 456 places, 444 transitions, 1088 flow [2023-11-29 01:27:10,413 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 564.3333333333334) internal successors, (3386), 6 states have internal predecessors, (3386), 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) [2023-11-29 01:27:10,413 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 01:27:10,414 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 01:27:10,414 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable38 [2023-11-29 01:27:10,414 INFO L420 AbstractCegarLoop]: === Iteration 40 === Targeting thread2Err22ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 203 more)] === [2023-11-29 01:27:10,414 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 01:27:10,414 INFO L85 PathProgramCache]: Analyzing trace with hash 1346004655, now seen corresponding path program 1 times [2023-11-29 01:27:10,414 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 01:27:10,415 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [406253103] [2023-11-29 01:27:10,415 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 01:27:10,415 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 01:27:10,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:27:10,444 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 01:27:10,444 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 01:27:10,445 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [406253103] [2023-11-29 01:27:10,445 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [406253103] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 01:27:10,445 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 01:27:10,445 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-29 01:27:10,445 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [269597682] [2023-11-29 01:27:10,445 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 01:27:10,445 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 01:27:10,446 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 01:27:10,446 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 01:27:10,446 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 01:27:10,514 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 543 out of 587 [2023-11-29 01:27:10,515 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 456 places, 444 transitions, 1088 flow. Second operand has 3 states, 3 states have (on average 552.3333333333334) internal successors, (1657), 3 states have internal predecessors, (1657), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 01:27:10,515 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 01:27:10,515 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 543 of 587 [2023-11-29 01:27:10,515 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 01:27:12,327 INFO L124 PetriNetUnfolderBase]: 764/7523 cut-off events. [2023-11-29 01:27:12,327 INFO L125 PetriNetUnfolderBase]: For 581/584 co-relation queries the response was YES. [2023-11-29 01:27:12,435 INFO L83 FinitePrefix]: Finished finitePrefix Result has 10849 conditions, 7523 events. 764/7523 cut-off events. For 581/584 co-relation queries the response was YES. Maximal size of possible extension queue 142. Compared 81243 event pairs, 499 based on Foata normal form. 0/7270 useless extension candidates. Maximal degree in co-relation 10819. Up to 1234 conditions per place. [2023-11-29 01:27:12,466 INFO L140 encePairwiseOnDemand]: 584/587 looper letters, 36 selfloop transitions, 2 changer transitions 0/446 dead transitions. [2023-11-29 01:27:12,466 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 457 places, 446 transitions, 1171 flow [2023-11-29 01:27:12,467 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 01:27:12,467 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-29 01:27:12,468 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1667 transitions. [2023-11-29 01:27:12,468 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.9466212379329926 [2023-11-29 01:27:12,468 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1667 transitions. [2023-11-29 01:27:12,468 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1667 transitions. [2023-11-29 01:27:12,468 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 01:27:12,468 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1667 transitions. [2023-11-29 01:27:12,469 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 555.6666666666666) internal successors, (1667), 3 states have internal predecessors, (1667), 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) [2023-11-29 01:27:12,470 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 587.0) internal successors, (2348), 4 states have internal predecessors, (2348), 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) [2023-11-29 01:27:12,470 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 587.0) internal successors, (2348), 4 states have internal predecessors, (2348), 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) [2023-11-29 01:27:12,470 INFO L175 Difference]: Start difference. First operand has 456 places, 444 transitions, 1088 flow. Second operand 3 states and 1667 transitions. [2023-11-29 01:27:12,471 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 457 places, 446 transitions, 1171 flow [2023-11-29 01:27:12,475 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 453 places, 446 transitions, 1164 flow, removed 0 selfloop flow, removed 4 redundant places. [2023-11-29 01:27:12,478 INFO L231 Difference]: Finished difference. Result has 453 places, 443 transitions, 1083 flow [2023-11-29 01:27:12,478 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=587, PETRI_DIFFERENCE_MINUEND_FLOW=1079, PETRI_DIFFERENCE_MINUEND_PLACES=451, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=443, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=441, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1083, PETRI_PLACES=453, PETRI_TRANSITIONS=443} [2023-11-29 01:27:12,479 INFO L281 CegarLoopForPetriNet]: 556 programPoint places, -103 predicate places. [2023-11-29 01:27:12,479 INFO L495 AbstractCegarLoop]: Abstraction has has 453 places, 443 transitions, 1083 flow [2023-11-29 01:27:12,479 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 552.3333333333334) internal successors, (1657), 3 states have internal predecessors, (1657), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 01:27:12,479 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 01:27:12,479 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 01:27:12,479 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable39 [2023-11-29 01:27:12,479 INFO L420 AbstractCegarLoop]: === Iteration 41 === Targeting thread4Err19ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 203 more)] === [2023-11-29 01:27:12,480 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 01:27:12,480 INFO L85 PathProgramCache]: Analyzing trace with hash -1669555765, now seen corresponding path program 1 times [2023-11-29 01:27:12,480 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 01:27:12,480 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1065268648] [2023-11-29 01:27:12,480 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 01:27:12,480 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 01:27:12,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:27:12,512 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 01:27:12,513 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 01:27:12,513 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1065268648] [2023-11-29 01:27:12,513 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1065268648] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 01:27:12,513 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 01:27:12,513 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-29 01:27:12,513 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [107622179] [2023-11-29 01:27:12,513 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 01:27:12,514 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 01:27:12,514 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 01:27:12,514 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 01:27:12,514 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 01:27:12,603 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 543 out of 587 [2023-11-29 01:27:12,604 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 453 places, 443 transitions, 1083 flow. Second operand has 3 states, 3 states have (on average 551.6666666666666) internal successors, (1655), 3 states have internal predecessors, (1655), 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) [2023-11-29 01:27:12,605 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 01:27:12,605 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 543 of 587 [2023-11-29 01:27:12,605 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 01:27:13,278 INFO L124 PetriNetUnfolderBase]: 264/3393 cut-off events. [2023-11-29 01:27:13,278 INFO L125 PetriNetUnfolderBase]: For 351/356 co-relation queries the response was YES. [2023-11-29 01:27:13,305 INFO L83 FinitePrefix]: Finished finitePrefix Result has 4713 conditions, 3393 events. 264/3393 cut-off events. For 351/356 co-relation queries the response was YES. Maximal size of possible extension queue 66. Compared 31022 event pairs, 156 based on Foata normal form. 0/3271 useless extension candidates. Maximal degree in co-relation 4555. Up to 480 conditions per place. [2023-11-29 01:27:13,314 INFO L140 encePairwiseOnDemand]: 584/587 looper letters, 36 selfloop transitions, 2 changer transitions 0/445 dead transitions. [2023-11-29 01:27:13,314 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 454 places, 445 transitions, 1166 flow [2023-11-29 01:27:13,315 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 01:27:13,315 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-29 01:27:13,316 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1667 transitions. [2023-11-29 01:27:13,316 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.9466212379329926 [2023-11-29 01:27:13,316 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1667 transitions. [2023-11-29 01:27:13,316 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1667 transitions. [2023-11-29 01:27:13,317 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 01:27:13,317 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1667 transitions. [2023-11-29 01:27:13,318 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 555.6666666666666) internal successors, (1667), 3 states have internal predecessors, (1667), 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) [2023-11-29 01:27:13,319 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 587.0) internal successors, (2348), 4 states have internal predecessors, (2348), 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) [2023-11-29 01:27:13,319 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 587.0) internal successors, (2348), 4 states have internal predecessors, (2348), 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) [2023-11-29 01:27:13,319 INFO L175 Difference]: Start difference. First operand has 453 places, 443 transitions, 1083 flow. Second operand 3 states and 1667 transitions. [2023-11-29 01:27:13,319 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 454 places, 445 transitions, 1166 flow [2023-11-29 01:27:13,322 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 452 places, 445 transitions, 1162 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-11-29 01:27:13,325 INFO L231 Difference]: Finished difference. Result has 452 places, 442 transitions, 1081 flow [2023-11-29 01:27:13,325 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=587, PETRI_DIFFERENCE_MINUEND_FLOW=1077, PETRI_DIFFERENCE_MINUEND_PLACES=450, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=442, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=440, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1081, PETRI_PLACES=452, PETRI_TRANSITIONS=442} [2023-11-29 01:27:13,326 INFO L281 CegarLoopForPetriNet]: 556 programPoint places, -104 predicate places. [2023-11-29 01:27:13,326 INFO L495 AbstractCegarLoop]: Abstraction has has 452 places, 442 transitions, 1081 flow [2023-11-29 01:27:13,326 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 551.6666666666666) internal successors, (1655), 3 states have internal predecessors, (1655), 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) [2023-11-29 01:27:13,326 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 01:27:13,326 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 01:27:13,326 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable40 [2023-11-29 01:27:13,326 INFO L420 AbstractCegarLoop]: === Iteration 42 === Targeting thread3Err22ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 203 more)] === [2023-11-29 01:27:13,327 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 01:27:13,327 INFO L85 PathProgramCache]: Analyzing trace with hash 1557524599, now seen corresponding path program 1 times [2023-11-29 01:27:13,327 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 01:27:13,327 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2012018872] [2023-11-29 01:27:13,327 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 01:27:13,327 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 01:27:13,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:27:13,363 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 01:27:13,363 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 01:27:13,363 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2012018872] [2023-11-29 01:27:13,363 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2012018872] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 01:27:13,364 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 01:27:13,364 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-29 01:27:13,364 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2122790451] [2023-11-29 01:27:13,364 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 01:27:13,364 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 01:27:13,365 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 01:27:13,365 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 01:27:13,365 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 01:27:13,456 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 542 out of 587 [2023-11-29 01:27:13,457 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 452 places, 442 transitions, 1081 flow. Second operand has 3 states, 3 states have (on average 551.3333333333334) internal successors, (1654), 3 states have internal predecessors, (1654), 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) [2023-11-29 01:27:13,457 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 01:27:13,457 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 542 of 587 [2023-11-29 01:27:13,457 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 01:27:14,409 INFO L124 PetriNetUnfolderBase]: 464/4431 cut-off events. [2023-11-29 01:27:14,409 INFO L125 PetriNetUnfolderBase]: For 488/497 co-relation queries the response was YES. [2023-11-29 01:27:14,460 INFO L83 FinitePrefix]: Finished finitePrefix Result has 6506 conditions, 4431 events. 464/4431 cut-off events. For 488/497 co-relation queries the response was YES. Maximal size of possible extension queue 96. Compared 44170 event pairs, 316 based on Foata normal form. 0/4306 useless extension candidates. Maximal degree in co-relation 6275. Up to 853 conditions per place. [2023-11-29 01:27:14,476 INFO L140 encePairwiseOnDemand]: 584/587 looper letters, 38 selfloop transitions, 2 changer transitions 0/444 dead transitions. [2023-11-29 01:27:14,476 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 453 places, 444 transitions, 1168 flow [2023-11-29 01:27:14,476 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 01:27:14,476 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-29 01:27:14,478 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1665 transitions. [2023-11-29 01:27:14,478 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.9454855195911414 [2023-11-29 01:27:14,478 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1665 transitions. [2023-11-29 01:27:14,478 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1665 transitions. [2023-11-29 01:27:14,479 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 01:27:14,479 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1665 transitions. [2023-11-29 01:27:14,480 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 555.0) internal successors, (1665), 3 states have internal predecessors, (1665), 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) [2023-11-29 01:27:14,481 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 587.0) internal successors, (2348), 4 states have internal predecessors, (2348), 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) [2023-11-29 01:27:14,482 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 587.0) internal successors, (2348), 4 states have internal predecessors, (2348), 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) [2023-11-29 01:27:14,482 INFO L175 Difference]: Start difference. First operand has 452 places, 442 transitions, 1081 flow. Second operand 3 states and 1665 transitions. [2023-11-29 01:27:14,482 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 453 places, 444 transitions, 1168 flow [2023-11-29 01:27:14,487 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 451 places, 444 transitions, 1164 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-11-29 01:27:14,492 INFO L231 Difference]: Finished difference. Result has 451 places, 441 transitions, 1079 flow [2023-11-29 01:27:14,492 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=587, PETRI_DIFFERENCE_MINUEND_FLOW=1075, PETRI_DIFFERENCE_MINUEND_PLACES=449, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=441, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=439, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1079, PETRI_PLACES=451, PETRI_TRANSITIONS=441} [2023-11-29 01:27:14,493 INFO L281 CegarLoopForPetriNet]: 556 programPoint places, -105 predicate places. [2023-11-29 01:27:14,493 INFO L495 AbstractCegarLoop]: Abstraction has has 451 places, 441 transitions, 1079 flow [2023-11-29 01:27:14,493 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 551.3333333333334) internal successors, (1654), 3 states have internal predecessors, (1654), 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) [2023-11-29 01:27:14,493 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 01:27:14,494 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 01:27:14,494 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable41 [2023-11-29 01:27:14,494 INFO L420 AbstractCegarLoop]: === Iteration 43 === Targeting thread4Err22ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 203 more)] === [2023-11-29 01:27:14,494 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 01:27:14,494 INFO L85 PathProgramCache]: Analyzing trace with hash -617501222, now seen corresponding path program 1 times [2023-11-29 01:27:14,494 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 01:27:14,494 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1102345984] [2023-11-29 01:27:14,495 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 01:27:14,495 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 01:27:14,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:27:14,535 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 01:27:14,536 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 01:27:14,536 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1102345984] [2023-11-29 01:27:14,536 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1102345984] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 01:27:14,536 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 01:27:14,536 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-29 01:27:14,537 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1277812958] [2023-11-29 01:27:14,537 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 01:27:14,537 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 01:27:14,537 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 01:27:14,538 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 01:27:14,538 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 01:27:14,634 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 543 out of 587 [2023-11-29 01:27:14,635 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 451 places, 441 transitions, 1079 flow. Second operand has 3 states, 3 states have (on average 552.6666666666666) internal successors, (1658), 3 states have internal predecessors, (1658), 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) [2023-11-29 01:27:14,636 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 01:27:14,636 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 543 of 587 [2023-11-29 01:27:14,636 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 01:27:15,325 INFO L124 PetriNetUnfolderBase]: 264/3369 cut-off events. [2023-11-29 01:27:15,325 INFO L125 PetriNetUnfolderBase]: For 350/355 co-relation queries the response was YES. [2023-11-29 01:27:15,363 INFO L83 FinitePrefix]: Finished finitePrefix Result has 4687 conditions, 3369 events. 264/3369 cut-off events. For 350/355 co-relation queries the response was YES. Maximal size of possible extension queue 66. Compared 30800 event pairs, 156 based on Foata normal form. 0/3271 useless extension candidates. Maximal degree in co-relation 4546. Up to 480 conditions per place. [2023-11-29 01:27:15,365 INFO L140 encePairwiseOnDemand]: 584/587 looper letters, 0 selfloop transitions, 0 changer transitions 443/443 dead transitions. [2023-11-29 01:27:15,365 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 452 places, 443 transitions, 1162 flow [2023-11-29 01:27:15,365 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 01:27:15,365 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-29 01:27:15,366 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1667 transitions. [2023-11-29 01:27:15,367 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.9466212379329926 [2023-11-29 01:27:15,367 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1667 transitions. [2023-11-29 01:27:15,367 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1667 transitions. [2023-11-29 01:27:15,367 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 01:27:15,367 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1667 transitions. [2023-11-29 01:27:15,368 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 555.6666666666666) internal successors, (1667), 3 states have internal predecessors, (1667), 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) [2023-11-29 01:27:15,369 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 587.0) internal successors, (2348), 4 states have internal predecessors, (2348), 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) [2023-11-29 01:27:15,370 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 587.0) internal successors, (2348), 4 states have internal predecessors, (2348), 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) [2023-11-29 01:27:15,370 INFO L175 Difference]: Start difference. First operand has 451 places, 441 transitions, 1079 flow. Second operand 3 states and 1667 transitions. [2023-11-29 01:27:15,370 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 452 places, 443 transitions, 1162 flow [2023-11-29 01:27:15,373 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 450 places, 443 transitions, 1158 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-11-29 01:27:15,375 INFO L231 Difference]: Finished difference. Result has 450 places, 0 transitions, 0 flow [2023-11-29 01:27:15,375 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=587, PETRI_DIFFERENCE_MINUEND_FLOW=1073, PETRI_DIFFERENCE_MINUEND_PLACES=448, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=440, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=440, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=0, PETRI_PLACES=450, PETRI_TRANSITIONS=0} [2023-11-29 01:27:15,375 INFO L281 CegarLoopForPetriNet]: 556 programPoint places, -106 predicate places. [2023-11-29 01:27:15,375 INFO L495 AbstractCegarLoop]: Abstraction has has 450 places, 0 transitions, 0 flow [2023-11-29 01:27:15,376 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 552.6666666666666) internal successors, (1658), 3 states have internal predecessors, (1658), 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) [2023-11-29 01:27:15,377 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (206 of 207 remaining) [2023-11-29 01:27:15,377 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE (205 of 207 remaining) [2023-11-29 01:27:15,378 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err2ASSERT_VIOLATIONDATA_RACE (204 of 207 remaining) [2023-11-29 01:27:15,378 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err3ASSERT_VIOLATIONDATA_RACE (203 of 207 remaining) [2023-11-29 01:27:15,378 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err4ASSERT_VIOLATIONDATA_RACE (202 of 207 remaining) [2023-11-29 01:27:15,378 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err5ASSERT_VIOLATIONDATA_RACE (201 of 207 remaining) [2023-11-29 01:27:15,378 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err6ASSERT_VIOLATIONDATA_RACE (200 of 207 remaining) [2023-11-29 01:27:15,378 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err7ASSERT_VIOLATIONDATA_RACE (199 of 207 remaining) [2023-11-29 01:27:15,378 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err8ASSERT_VIOLATIONDATA_RACE (198 of 207 remaining) [2023-11-29 01:27:15,378 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err9ASSERT_VIOLATIONDATA_RACE (197 of 207 remaining) [2023-11-29 01:27:15,378 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err10ASSERT_VIOLATIONDATA_RACE (196 of 207 remaining) [2023-11-29 01:27:15,378 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err11ASSERT_VIOLATIONDATA_RACE (195 of 207 remaining) [2023-11-29 01:27:15,378 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err12ASSERT_VIOLATIONDATA_RACE (194 of 207 remaining) [2023-11-29 01:27:15,378 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err13ASSERT_VIOLATIONDATA_RACE (193 of 207 remaining) [2023-11-29 01:27:15,378 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err14ASSERT_VIOLATIONDATA_RACE (192 of 207 remaining) [2023-11-29 01:27:15,378 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err15ASSERT_VIOLATIONDATA_RACE (191 of 207 remaining) [2023-11-29 01:27:15,379 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err16ASSERT_VIOLATIONDATA_RACE (190 of 207 remaining) [2023-11-29 01:27:15,379 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err17ASSERT_VIOLATIONDATA_RACE (189 of 207 remaining) [2023-11-29 01:27:15,379 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err18ASSERT_VIOLATIONDATA_RACE (188 of 207 remaining) [2023-11-29 01:27:15,379 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err19ASSERT_VIOLATIONDATA_RACE (187 of 207 remaining) [2023-11-29 01:27:15,379 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err20ASSERT_VIOLATIONDATA_RACE (186 of 207 remaining) [2023-11-29 01:27:15,379 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err21ASSERT_VIOLATIONDATA_RACE (185 of 207 remaining) [2023-11-29 01:27:15,379 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err22ASSERT_VIOLATIONDATA_RACE (184 of 207 remaining) [2023-11-29 01:27:15,379 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (183 of 207 remaining) [2023-11-29 01:27:15,379 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (182 of 207 remaining) [2023-11-29 01:27:15,379 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err2ASSERT_VIOLATIONDATA_RACE (181 of 207 remaining) [2023-11-29 01:27:15,379 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err3ASSERT_VIOLATIONDATA_RACE (180 of 207 remaining) [2023-11-29 01:27:15,379 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err4ASSERT_VIOLATIONDATA_RACE (179 of 207 remaining) [2023-11-29 01:27:15,379 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err5ASSERT_VIOLATIONDATA_RACE (178 of 207 remaining) [2023-11-29 01:27:15,379 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err6ASSERT_VIOLATIONDATA_RACE (177 of 207 remaining) [2023-11-29 01:27:15,380 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err7ASSERT_VIOLATIONDATA_RACE (176 of 207 remaining) [2023-11-29 01:27:15,380 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err8ASSERT_VIOLATIONDATA_RACE (175 of 207 remaining) [2023-11-29 01:27:15,380 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err9ASSERT_VIOLATIONDATA_RACE (174 of 207 remaining) [2023-11-29 01:27:15,380 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err10ASSERT_VIOLATIONDATA_RACE (173 of 207 remaining) [2023-11-29 01:27:15,380 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err11ASSERT_VIOLATIONDATA_RACE (172 of 207 remaining) [2023-11-29 01:27:15,380 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err12ASSERT_VIOLATIONDATA_RACE (171 of 207 remaining) [2023-11-29 01:27:15,380 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err13ASSERT_VIOLATIONDATA_RACE (170 of 207 remaining) [2023-11-29 01:27:15,380 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err14ASSERT_VIOLATIONDATA_RACE (169 of 207 remaining) [2023-11-29 01:27:15,380 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err15ASSERT_VIOLATIONDATA_RACE (168 of 207 remaining) [2023-11-29 01:27:15,380 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err16ASSERT_VIOLATIONDATA_RACE (167 of 207 remaining) [2023-11-29 01:27:15,380 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err17ASSERT_VIOLATIONDATA_RACE (166 of 207 remaining) [2023-11-29 01:27:15,380 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err18ASSERT_VIOLATIONDATA_RACE (165 of 207 remaining) [2023-11-29 01:27:15,380 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err19ASSERT_VIOLATIONDATA_RACE (164 of 207 remaining) [2023-11-29 01:27:15,380 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err20ASSERT_VIOLATIONDATA_RACE (163 of 207 remaining) [2023-11-29 01:27:15,380 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err21ASSERT_VIOLATIONDATA_RACE (162 of 207 remaining) [2023-11-29 01:27:15,380 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err22ASSERT_VIOLATIONDATA_RACE (161 of 207 remaining) [2023-11-29 01:27:15,381 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err0ASSERT_VIOLATIONDATA_RACE (160 of 207 remaining) [2023-11-29 01:27:15,381 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err1ASSERT_VIOLATIONDATA_RACE (159 of 207 remaining) [2023-11-29 01:27:15,381 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err2ASSERT_VIOLATIONDATA_RACE (158 of 207 remaining) [2023-11-29 01:27:15,381 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err3ASSERT_VIOLATIONDATA_RACE (157 of 207 remaining) [2023-11-29 01:27:15,381 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err4ASSERT_VIOLATIONDATA_RACE (156 of 207 remaining) [2023-11-29 01:27:15,381 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err5ASSERT_VIOLATIONDATA_RACE (155 of 207 remaining) [2023-11-29 01:27:15,381 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err6ASSERT_VIOLATIONDATA_RACE (154 of 207 remaining) [2023-11-29 01:27:15,381 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err7ASSERT_VIOLATIONDATA_RACE (153 of 207 remaining) [2023-11-29 01:27:15,381 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err8ASSERT_VIOLATIONDATA_RACE (152 of 207 remaining) [2023-11-29 01:27:15,381 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err9ASSERT_VIOLATIONDATA_RACE (151 of 207 remaining) [2023-11-29 01:27:15,381 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err10ASSERT_VIOLATIONDATA_RACE (150 of 207 remaining) [2023-11-29 01:27:15,382 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err11ASSERT_VIOLATIONDATA_RACE (149 of 207 remaining) [2023-11-29 01:27:15,382 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err12ASSERT_VIOLATIONDATA_RACE (148 of 207 remaining) [2023-11-29 01:27:15,382 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err13ASSERT_VIOLATIONDATA_RACE (147 of 207 remaining) [2023-11-29 01:27:15,382 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err14ASSERT_VIOLATIONDATA_RACE (146 of 207 remaining) [2023-11-29 01:27:15,382 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err15ASSERT_VIOLATIONDATA_RACE (145 of 207 remaining) [2023-11-29 01:27:15,382 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err16ASSERT_VIOLATIONDATA_RACE (144 of 207 remaining) [2023-11-29 01:27:15,382 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err17ASSERT_VIOLATIONDATA_RACE (143 of 207 remaining) [2023-11-29 01:27:15,382 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err18ASSERT_VIOLATIONDATA_RACE (142 of 207 remaining) [2023-11-29 01:27:15,382 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err19ASSERT_VIOLATIONDATA_RACE (141 of 207 remaining) [2023-11-29 01:27:15,383 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err20ASSERT_VIOLATIONDATA_RACE (140 of 207 remaining) [2023-11-29 01:27:15,383 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err21ASSERT_VIOLATIONDATA_RACE (139 of 207 remaining) [2023-11-29 01:27:15,383 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err22ASSERT_VIOLATIONDATA_RACE (138 of 207 remaining) [2023-11-29 01:27:15,383 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (137 of 207 remaining) [2023-11-29 01:27:15,383 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (136 of 207 remaining) [2023-11-29 01:27:15,383 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (135 of 207 remaining) [2023-11-29 01:27:15,383 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (134 of 207 remaining) [2023-11-29 01:27:15,383 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE (133 of 207 remaining) [2023-11-29 01:27:15,383 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE (132 of 207 remaining) [2023-11-29 01:27:15,384 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE (131 of 207 remaining) [2023-11-29 01:27:15,384 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE (130 of 207 remaining) [2023-11-29 01:27:15,384 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr8ASSERT_VIOLATIONDATA_RACE (129 of 207 remaining) [2023-11-29 01:27:15,384 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE (128 of 207 remaining) [2023-11-29 01:27:15,384 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE (127 of 207 remaining) [2023-11-29 01:27:15,384 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr11ASSERT_VIOLATIONDATA_RACE (126 of 207 remaining) [2023-11-29 01:27:15,384 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr12ASSERT_VIOLATIONDATA_RACE (125 of 207 remaining) [2023-11-29 01:27:15,384 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr13ASSERT_VIOLATIONDATA_RACE (124 of 207 remaining) [2023-11-29 01:27:15,384 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr14ASSERT_VIOLATIONDATA_RACE (123 of 207 remaining) [2023-11-29 01:27:15,385 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr15ASSERT_VIOLATIONDATA_RACE (122 of 207 remaining) [2023-11-29 01:27:15,385 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr16ASSERT_VIOLATIONDATA_RACE (121 of 207 remaining) [2023-11-29 01:27:15,385 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr17ASSERT_VIOLATIONDATA_RACE (120 of 207 remaining) [2023-11-29 01:27:15,385 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr18ASSERT_VIOLATIONDATA_RACE (119 of 207 remaining) [2023-11-29 01:27:15,385 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (118 of 207 remaining) [2023-11-29 01:27:15,385 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (117 of 207 remaining) [2023-11-29 01:27:15,385 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (116 of 207 remaining) [2023-11-29 01:27:15,385 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (115 of 207 remaining) [2023-11-29 01:27:15,386 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread4Err0ASSERT_VIOLATIONDATA_RACE (114 of 207 remaining) [2023-11-29 01:27:15,386 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread4Err1ASSERT_VIOLATIONDATA_RACE (113 of 207 remaining) [2023-11-29 01:27:15,386 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread4Err2ASSERT_VIOLATIONDATA_RACE (112 of 207 remaining) [2023-11-29 01:27:15,386 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread4Err3ASSERT_VIOLATIONDATA_RACE (111 of 207 remaining) [2023-11-29 01:27:15,386 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread4Err4ASSERT_VIOLATIONDATA_RACE (110 of 207 remaining) [2023-11-29 01:27:15,386 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread4Err5ASSERT_VIOLATIONDATA_RACE (109 of 207 remaining) [2023-11-29 01:27:15,386 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread4Err6ASSERT_VIOLATIONDATA_RACE (108 of 207 remaining) [2023-11-29 01:27:15,386 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread4Err7ASSERT_VIOLATIONDATA_RACE (107 of 207 remaining) [2023-11-29 01:27:15,386 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread4Err8ASSERT_VIOLATIONDATA_RACE (106 of 207 remaining) [2023-11-29 01:27:15,386 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread4Err9ASSERT_VIOLATIONDATA_RACE (105 of 207 remaining) [2023-11-29 01:27:15,387 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread4Err10ASSERT_VIOLATIONDATA_RACE (104 of 207 remaining) [2023-11-29 01:27:15,387 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread4Err11ASSERT_VIOLATIONDATA_RACE (103 of 207 remaining) [2023-11-29 01:27:15,387 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread4Err12ASSERT_VIOLATIONDATA_RACE (102 of 207 remaining) [2023-11-29 01:27:15,387 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread4Err13ASSERT_VIOLATIONDATA_RACE (101 of 207 remaining) [2023-11-29 01:27:15,387 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread4Err14ASSERT_VIOLATIONDATA_RACE (100 of 207 remaining) [2023-11-29 01:27:15,387 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread4Err15ASSERT_VIOLATIONDATA_RACE (99 of 207 remaining) [2023-11-29 01:27:15,387 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread4Err16ASSERT_VIOLATIONDATA_RACE (98 of 207 remaining) [2023-11-29 01:27:15,387 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread4Err17ASSERT_VIOLATIONDATA_RACE (97 of 207 remaining) [2023-11-29 01:27:15,387 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread4Err18ASSERT_VIOLATIONDATA_RACE (96 of 207 remaining) [2023-11-29 01:27:15,388 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread4Err19ASSERT_VIOLATIONDATA_RACE (95 of 207 remaining) [2023-11-29 01:27:15,388 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread4Err20ASSERT_VIOLATIONDATA_RACE (94 of 207 remaining) [2023-11-29 01:27:15,388 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread4Err21ASSERT_VIOLATIONDATA_RACE (93 of 207 remaining) [2023-11-29 01:27:15,388 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread4Err22ASSERT_VIOLATIONDATA_RACE (92 of 207 remaining) [2023-11-29 01:27:15,388 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (91 of 207 remaining) [2023-11-29 01:27:15,388 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE (90 of 207 remaining) [2023-11-29 01:27:15,388 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err2ASSERT_VIOLATIONDATA_RACE (89 of 207 remaining) [2023-11-29 01:27:15,388 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err3ASSERT_VIOLATIONDATA_RACE (88 of 207 remaining) [2023-11-29 01:27:15,388 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err4ASSERT_VIOLATIONDATA_RACE (87 of 207 remaining) [2023-11-29 01:27:15,388 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err5ASSERT_VIOLATIONDATA_RACE (86 of 207 remaining) [2023-11-29 01:27:15,388 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err6ASSERT_VIOLATIONDATA_RACE (85 of 207 remaining) [2023-11-29 01:27:15,388 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err7ASSERT_VIOLATIONDATA_RACE (84 of 207 remaining) [2023-11-29 01:27:15,388 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err8ASSERT_VIOLATIONDATA_RACE (83 of 207 remaining) [2023-11-29 01:27:15,388 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err9ASSERT_VIOLATIONDATA_RACE (82 of 207 remaining) [2023-11-29 01:27:15,389 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err10ASSERT_VIOLATIONDATA_RACE (81 of 207 remaining) [2023-11-29 01:27:15,389 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err11ASSERT_VIOLATIONDATA_RACE (80 of 207 remaining) [2023-11-29 01:27:15,389 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err12ASSERT_VIOLATIONDATA_RACE (79 of 207 remaining) [2023-11-29 01:27:15,389 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err13ASSERT_VIOLATIONDATA_RACE (78 of 207 remaining) [2023-11-29 01:27:15,389 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err14ASSERT_VIOLATIONDATA_RACE (77 of 207 remaining) [2023-11-29 01:27:15,389 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err15ASSERT_VIOLATIONDATA_RACE (76 of 207 remaining) [2023-11-29 01:27:15,389 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err16ASSERT_VIOLATIONDATA_RACE (75 of 207 remaining) [2023-11-29 01:27:15,389 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err17ASSERT_VIOLATIONDATA_RACE (74 of 207 remaining) [2023-11-29 01:27:15,389 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err18ASSERT_VIOLATIONDATA_RACE (73 of 207 remaining) [2023-11-29 01:27:15,389 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err19ASSERT_VIOLATIONDATA_RACE (72 of 207 remaining) [2023-11-29 01:27:15,389 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err20ASSERT_VIOLATIONDATA_RACE (71 of 207 remaining) [2023-11-29 01:27:15,389 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err21ASSERT_VIOLATIONDATA_RACE (70 of 207 remaining) [2023-11-29 01:27:15,389 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err22ASSERT_VIOLATIONDATA_RACE (69 of 207 remaining) [2023-11-29 01:27:15,390 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (68 of 207 remaining) [2023-11-29 01:27:15,390 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (67 of 207 remaining) [2023-11-29 01:27:15,390 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err2ASSERT_VIOLATIONDATA_RACE (66 of 207 remaining) [2023-11-29 01:27:15,390 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err3ASSERT_VIOLATIONDATA_RACE (65 of 207 remaining) [2023-11-29 01:27:15,390 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err4ASSERT_VIOLATIONDATA_RACE (64 of 207 remaining) [2023-11-29 01:27:15,390 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err5ASSERT_VIOLATIONDATA_RACE (63 of 207 remaining) [2023-11-29 01:27:15,390 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err6ASSERT_VIOLATIONDATA_RACE (62 of 207 remaining) [2023-11-29 01:27:15,390 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err7ASSERT_VIOLATIONDATA_RACE (61 of 207 remaining) [2023-11-29 01:27:15,390 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err8ASSERT_VIOLATIONDATA_RACE (60 of 207 remaining) [2023-11-29 01:27:15,390 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err9ASSERT_VIOLATIONDATA_RACE (59 of 207 remaining) [2023-11-29 01:27:15,391 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err10ASSERT_VIOLATIONDATA_RACE (58 of 207 remaining) [2023-11-29 01:27:15,391 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err11ASSERT_VIOLATIONDATA_RACE (57 of 207 remaining) [2023-11-29 01:27:15,391 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err12ASSERT_VIOLATIONDATA_RACE (56 of 207 remaining) [2023-11-29 01:27:15,391 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err13ASSERT_VIOLATIONDATA_RACE (55 of 207 remaining) [2023-11-29 01:27:15,391 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err14ASSERT_VIOLATIONDATA_RACE (54 of 207 remaining) [2023-11-29 01:27:15,391 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err15ASSERT_VIOLATIONDATA_RACE (53 of 207 remaining) [2023-11-29 01:27:15,391 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err16ASSERT_VIOLATIONDATA_RACE (52 of 207 remaining) [2023-11-29 01:27:15,391 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err17ASSERT_VIOLATIONDATA_RACE (51 of 207 remaining) [2023-11-29 01:27:15,391 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err18ASSERT_VIOLATIONDATA_RACE (50 of 207 remaining) [2023-11-29 01:27:15,392 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err19ASSERT_VIOLATIONDATA_RACE (49 of 207 remaining) [2023-11-29 01:27:15,392 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err20ASSERT_VIOLATIONDATA_RACE (48 of 207 remaining) [2023-11-29 01:27:15,392 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err21ASSERT_VIOLATIONDATA_RACE (47 of 207 remaining) [2023-11-29 01:27:15,392 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err22ASSERT_VIOLATIONDATA_RACE (46 of 207 remaining) [2023-11-29 01:27:15,392 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err0ASSERT_VIOLATIONDATA_RACE (45 of 207 remaining) [2023-11-29 01:27:15,392 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err1ASSERT_VIOLATIONDATA_RACE (44 of 207 remaining) [2023-11-29 01:27:15,392 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err2ASSERT_VIOLATIONDATA_RACE (43 of 207 remaining) [2023-11-29 01:27:15,392 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err3ASSERT_VIOLATIONDATA_RACE (42 of 207 remaining) [2023-11-29 01:27:15,392 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err4ASSERT_VIOLATIONDATA_RACE (41 of 207 remaining) [2023-11-29 01:27:15,392 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err5ASSERT_VIOLATIONDATA_RACE (40 of 207 remaining) [2023-11-29 01:27:15,392 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err6ASSERT_VIOLATIONDATA_RACE (39 of 207 remaining) [2023-11-29 01:27:15,392 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err7ASSERT_VIOLATIONDATA_RACE (38 of 207 remaining) [2023-11-29 01:27:15,392 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err8ASSERT_VIOLATIONDATA_RACE (37 of 207 remaining) [2023-11-29 01:27:15,392 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err9ASSERT_VIOLATIONDATA_RACE (36 of 207 remaining) [2023-11-29 01:27:15,393 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err10ASSERT_VIOLATIONDATA_RACE (35 of 207 remaining) [2023-11-29 01:27:15,393 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err11ASSERT_VIOLATIONDATA_RACE (34 of 207 remaining) [2023-11-29 01:27:15,393 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err12ASSERT_VIOLATIONDATA_RACE (33 of 207 remaining) [2023-11-29 01:27:15,393 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err13ASSERT_VIOLATIONDATA_RACE (32 of 207 remaining) [2023-11-29 01:27:15,393 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err14ASSERT_VIOLATIONDATA_RACE (31 of 207 remaining) [2023-11-29 01:27:15,393 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err15ASSERT_VIOLATIONDATA_RACE (30 of 207 remaining) [2023-11-29 01:27:15,393 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err16ASSERT_VIOLATIONDATA_RACE (29 of 207 remaining) [2023-11-29 01:27:15,393 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err17ASSERT_VIOLATIONDATA_RACE (28 of 207 remaining) [2023-11-29 01:27:15,393 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err18ASSERT_VIOLATIONDATA_RACE (27 of 207 remaining) [2023-11-29 01:27:15,393 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err19ASSERT_VIOLATIONDATA_RACE (26 of 207 remaining) [2023-11-29 01:27:15,393 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err20ASSERT_VIOLATIONDATA_RACE (25 of 207 remaining) [2023-11-29 01:27:15,393 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err21ASSERT_VIOLATIONDATA_RACE (24 of 207 remaining) [2023-11-29 01:27:15,393 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err22ASSERT_VIOLATIONDATA_RACE (23 of 207 remaining) [2023-11-29 01:27:15,394 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread4Err0ASSERT_VIOLATIONDATA_RACE (22 of 207 remaining) [2023-11-29 01:27:15,394 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread4Err1ASSERT_VIOLATIONDATA_RACE (21 of 207 remaining) [2023-11-29 01:27:15,394 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread4Err2ASSERT_VIOLATIONDATA_RACE (20 of 207 remaining) [2023-11-29 01:27:15,394 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread4Err3ASSERT_VIOLATIONDATA_RACE (19 of 207 remaining) [2023-11-29 01:27:15,394 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread4Err4ASSERT_VIOLATIONDATA_RACE (18 of 207 remaining) [2023-11-29 01:27:15,394 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread4Err5ASSERT_VIOLATIONDATA_RACE (17 of 207 remaining) [2023-11-29 01:27:15,394 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread4Err6ASSERT_VIOLATIONDATA_RACE (16 of 207 remaining) [2023-11-29 01:27:15,394 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread4Err7ASSERT_VIOLATIONDATA_RACE (15 of 207 remaining) [2023-11-29 01:27:15,394 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread4Err8ASSERT_VIOLATIONDATA_RACE (14 of 207 remaining) [2023-11-29 01:27:15,394 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread4Err9ASSERT_VIOLATIONDATA_RACE (13 of 207 remaining) [2023-11-29 01:27:15,394 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread4Err10ASSERT_VIOLATIONDATA_RACE (12 of 207 remaining) [2023-11-29 01:27:15,394 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread4Err11ASSERT_VIOLATIONDATA_RACE (11 of 207 remaining) [2023-11-29 01:27:15,394 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread4Err12ASSERT_VIOLATIONDATA_RACE (10 of 207 remaining) [2023-11-29 01:27:15,394 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread4Err13ASSERT_VIOLATIONDATA_RACE (9 of 207 remaining) [2023-11-29 01:27:15,394 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread4Err14ASSERT_VIOLATIONDATA_RACE (8 of 207 remaining) [2023-11-29 01:27:15,394 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread4Err15ASSERT_VIOLATIONDATA_RACE (7 of 207 remaining) [2023-11-29 01:27:15,395 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread4Err16ASSERT_VIOLATIONDATA_RACE (6 of 207 remaining) [2023-11-29 01:27:15,395 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread4Err17ASSERT_VIOLATIONDATA_RACE (5 of 207 remaining) [2023-11-29 01:27:15,395 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread4Err18ASSERT_VIOLATIONDATA_RACE (4 of 207 remaining) [2023-11-29 01:27:15,395 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread4Err19ASSERT_VIOLATIONDATA_RACE (3 of 207 remaining) [2023-11-29 01:27:15,395 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread4Err20ASSERT_VIOLATIONDATA_RACE (2 of 207 remaining) [2023-11-29 01:27:15,395 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread4Err21ASSERT_VIOLATIONDATA_RACE (1 of 207 remaining) [2023-11-29 01:27:15,395 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread4Err22ASSERT_VIOLATIONDATA_RACE (0 of 207 remaining) [2023-11-29 01:27:15,395 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable42 [2023-11-29 01:27:15,395 INFO L445 BasicCegarLoop]: Path program 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] [2023-11-29 01:27:15,403 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2023-11-29 01:27:15,403 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-29 01:27:15,409 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 29.11 01:27:15 BasicIcfg [2023-11-29 01:27:15,409 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-29 01:27:15,409 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-29 01:27:15,410 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-29 01:27:15,410 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-29 01:27:15,410 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 01:26:23" (3/4) ... [2023-11-29 01:27:15,412 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-11-29 01:27:15,415 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread1 [2023-11-29 01:27:15,415 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread2 [2023-11-29 01:27:15,415 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread3 [2023-11-29 01:27:15,416 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread4 [2023-11-29 01:27:15,422 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 22 nodes and edges [2023-11-29 01:27:15,423 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2023-11-29 01:27:15,423 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2023-11-29 01:27:15,423 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-11-29 01:27:15,512 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3bb9c6c6-c37b-446f-8bb6-198747b6e51e/bin/uautomizer-verify-BQ2R08f2Ya/witness.graphml [2023-11-29 01:27:15,512 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3bb9c6c6-c37b-446f-8bb6-198747b6e51e/bin/uautomizer-verify-BQ2R08f2Ya/witness.yml [2023-11-29 01:27:15,512 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-29 01:27:15,513 INFO L158 Benchmark]: Toolchain (without parser) took 53483.16ms. Allocated memory was 153.1MB in the beginning and 3.7GB in the end (delta: 3.6GB). Free memory was 110.3MB in the beginning and 2.2GB in the end (delta: -2.1GB). Peak memory consumption was 1.4GB. Max. memory is 16.1GB. [2023-11-29 01:27:15,514 INFO L158 Benchmark]: CDTParser took 0.13ms. Allocated memory is still 109.1MB. Free memory is still 76.5MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-29 01:27:15,514 INFO L158 Benchmark]: CACSL2BoogieTranslator took 313.96ms. Allocated memory is still 153.1MB. Free memory was 110.3MB in the beginning and 116.5MB in the end (delta: -6.2MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2023-11-29 01:27:15,514 INFO L158 Benchmark]: Boogie Procedure Inliner took 47.73ms. Allocated memory is still 153.1MB. Free memory was 116.5MB in the beginning and 114.3MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-29 01:27:15,515 INFO L158 Benchmark]: Boogie Preprocessor took 42.86ms. Allocated memory is still 153.1MB. Free memory was 114.3MB in the beginning and 112.3MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-29 01:27:15,515 INFO L158 Benchmark]: RCFGBuilder took 774.60ms. Allocated memory is still 153.1MB. Free memory was 112.3MB in the beginning and 74.3MB in the end (delta: 38.0MB). Peak memory consumption was 37.7MB. Max. memory is 16.1GB. [2023-11-29 01:27:15,516 INFO L158 Benchmark]: TraceAbstraction took 52193.31ms. Allocated memory was 153.1MB in the beginning and 3.7GB in the end (delta: 3.6GB). Free memory was 73.1MB in the beginning and 2.2GB in the end (delta: -2.1GB). Peak memory consumption was 1.4GB. Max. memory is 16.1GB. [2023-11-29 01:27:15,516 INFO L158 Benchmark]: Witness Printer took 103.13ms. Allocated memory is still 3.7GB. Free memory was 2.2GB in the beginning and 2.2GB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2023-11-29 01:27:15,518 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.13ms. Allocated memory is still 109.1MB. Free memory is still 76.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 313.96ms. Allocated memory is still 153.1MB. Free memory was 110.3MB in the beginning and 116.5MB in the end (delta: -6.2MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 47.73ms. Allocated memory is still 153.1MB. Free memory was 116.5MB in the beginning and 114.3MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 42.86ms. Allocated memory is still 153.1MB. Free memory was 114.3MB in the beginning and 112.3MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 774.60ms. Allocated memory is still 153.1MB. Free memory was 112.3MB in the beginning and 74.3MB in the end (delta: 38.0MB). Peak memory consumption was 37.7MB. Max. memory is 16.1GB. * TraceAbstraction took 52193.31ms. Allocated memory was 153.1MB in the beginning and 3.7GB in the end (delta: 3.6GB). Free memory was 73.1MB in the beginning and 2.2GB in the end (delta: -2.1GB). Peak memory consumption was 1.4GB. Max. memory is 16.1GB. * Witness Printer took 103.13ms. Allocated memory is still 3.7GB. Free memory was 2.2GB in the beginning and 2.2GB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 38]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 38]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 39]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 39]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 39]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 40]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 40]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 40]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 41]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 41]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 41]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 42]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 42]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 42]: 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: 44]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 44]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 44]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 45]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 45]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 45]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 52]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 52]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 53]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 53]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 53]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 54]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 54]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 54]: 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: 56]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 56]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 56]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 57]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 57]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 57]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 58]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 58]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 58]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 59]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 59]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 59]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 66]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 66]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 67]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 67]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 67]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 68]: 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: 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: 69]: 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: 70]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 70]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 70]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 71]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 71]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 71]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 72]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 72]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 72]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 73]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 73]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 73]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 97]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 98]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 99]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 100]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 101]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 104]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 104]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 104]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 104]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 104]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 104]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 110]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 111]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 112]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 113]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 115]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 115]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 115]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 115]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 80]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 80]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 81]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 81]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 81]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 82]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 82]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 82]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 83]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 83]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 83]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 84]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 84]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 84]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 85]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 85]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 85]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 86]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 86]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 86]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 87]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 87]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 87]: there are no data races For all program executions holds that there are no data races at this location - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 9 procedures, 958 locations, 207 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: 52.0s, OverallIterations: 43, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 47.8s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.4s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 5990 SdHoareTripleChecker+Valid, 4.8s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 2059 mSDsluCounter, 731 SdHoareTripleChecker+Invalid, 3.8s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 8 mSDsCounter, 498 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 6181 IncrementalHoareTripleChecker+Invalid, 6679 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 498 mSolverCounterUnsat, 723 mSDtfsCounter, 6181 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 105 GetRequests, 48 SyntacticMatches, 0 SemanticMatches, 57 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1136occurred in iteration=9, InterpolantAutomatonStates: 143, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 2.8s InterpolantComputationTime, 4563 NumberOfCodeBlocks, 4563 NumberOfCodeBlocksAsserted, 43 NumberOfCheckSat, 4520 ConstructedInterpolants, 0 QuantifiedInterpolants, 4922 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 43 InterpolantComputations, 43 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 - AllSpecificationsHoldResult: All specifications hold 111 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2023-11-29 01:27:15,537 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3bb9c6c6-c37b-446f-8bb6-198747b6e51e/bin/uautomizer-verify-BQ2R08f2Ya/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