./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-data-race.prp --file ../../sv-benchmarks/c/weaver/parallel-misc-1.wvr.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version e7bb482b 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_f3ce65c4-8092-4822-b444-28f89928a22d/bin/uautomizer-verify-WvqO1wxjHP/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3ce65c4-8092-4822-b444-28f89928a22d/bin/uautomizer-verify-WvqO1wxjHP/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3ce65c4-8092-4822-b444-28f89928a22d/bin/uautomizer-verify-WvqO1wxjHP/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3ce65c4-8092-4822-b444-28f89928a22d/bin/uautomizer-verify-WvqO1wxjHP/config/AutomizerReach.xml -i ../../sv-benchmarks/c/weaver/parallel-misc-1.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3ce65c4-8092-4822-b444-28f89928a22d/bin/uautomizer-verify-WvqO1wxjHP/config/svcomp-DataRace-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3ce65c4-8092-4822-b444-28f89928a22d/bin/uautomizer-verify-WvqO1wxjHP --witnessprinter.witness.filename witness.graphml --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 c870162e8691a06e8bb6a8083be9eaf3f7ddc94357fb302a6e1fdd1b7aa873f8 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-e7bb482 [2023-11-06 23:10:08,866 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-06 23:10:08,983 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3ce65c4-8092-4822-b444-28f89928a22d/bin/uautomizer-verify-WvqO1wxjHP/config/svcomp-DataRace-32bit-Automizer_Default.epf [2023-11-06 23:10:08,991 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-06 23:10:08,992 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-06 23:10:09,029 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-06 23:10:09,030 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-06 23:10:09,031 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-06 23:10:09,032 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-06 23:10:09,037 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-06 23:10:09,038 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-06 23:10:09,039 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-06 23:10:09,039 INFO L153 SettingsManager]: * Use SBE=true [2023-11-06 23:10:09,041 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-06 23:10:09,041 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-06 23:10:09,042 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-06 23:10:09,042 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-06 23:10:09,043 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-06 23:10:09,043 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-06 23:10:09,044 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-06 23:10:09,044 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-06 23:10:09,045 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-06 23:10:09,045 INFO L153 SettingsManager]: * Check absence of data races in concurrent programs=true [2023-11-06 23:10:09,046 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-06 23:10:09,046 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-06 23:10:09,046 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-06 23:10:09,047 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-06 23:10:09,048 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-06 23:10:09,048 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-06 23:10:09,049 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-06 23:10:09,050 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-06 23:10:09,050 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-06 23:10:09,050 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-06 23:10:09,051 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-11-06 23:10:09,051 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-06 23:10:09,051 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-06 23:10:09,051 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-06 23:10:09,052 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-06 23:10:09,052 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-06 23:10:09,052 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-06 23:10:09,052 INFO L153 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-11-06 23:10:09,053 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_f3ce65c4-8092-4822-b444-28f89928a22d/bin/uautomizer-verify-WvqO1wxjHP/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3ce65c4-8092-4822-b444-28f89928a22d/bin/uautomizer-verify-WvqO1wxjHP Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c870162e8691a06e8bb6a8083be9eaf3f7ddc94357fb302a6e1fdd1b7aa873f8 [2023-11-06 23:10:09,392 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-06 23:10:09,427 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-06 23:10:09,430 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-06 23:10:09,432 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-06 23:10:09,432 INFO L274 PluginConnector]: CDTParser initialized [2023-11-06 23:10:09,434 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3ce65c4-8092-4822-b444-28f89928a22d/bin/uautomizer-verify-WvqO1wxjHP/../../sv-benchmarks/c/weaver/parallel-misc-1.wvr.c [2023-11-06 23:10:12,565 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-06 23:10:12,789 INFO L384 CDTParser]: Found 1 translation units. [2023-11-06 23:10:12,790 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3ce65c4-8092-4822-b444-28f89928a22d/sv-benchmarks/c/weaver/parallel-misc-1.wvr.c [2023-11-06 23:10:12,799 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3ce65c4-8092-4822-b444-28f89928a22d/bin/uautomizer-verify-WvqO1wxjHP/data/af3979dbf/14411ac7e4df4d60b600198848f0b94b/FLAG35cc52d95 [2023-11-06 23:10:12,814 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3ce65c4-8092-4822-b444-28f89928a22d/bin/uautomizer-verify-WvqO1wxjHP/data/af3979dbf/14411ac7e4df4d60b600198848f0b94b [2023-11-06 23:10:12,817 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-06 23:10:12,819 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-06 23:10:12,820 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-06 23:10:12,820 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-06 23:10:12,826 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-06 23:10:12,827 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 11:10:12" (1/1) ... [2023-11-06 23:10:12,828 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3a4c5fac and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:10:12, skipping insertion in model container [2023-11-06 23:10:12,829 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 11:10:12" (1/1) ... [2023-11-06 23:10:12,868 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-06 23:10:13,146 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-06 23:10:13,157 INFO L202 MainTranslator]: Completed pre-run [2023-11-06 23:10:13,200 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-06 23:10:13,216 INFO L206 MainTranslator]: Completed translation [2023-11-06 23:10:13,216 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:10:13 WrapperNode [2023-11-06 23:10:13,216 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-06 23:10:13,218 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-06 23:10:13,218 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-06 23:10:13,218 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-06 23:10:13,226 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:10:13" (1/1) ... [2023-11-06 23:10:13,240 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:10:13" (1/1) ... [2023-11-06 23:10:13,302 INFO L138 Inliner]: procedures = 23, calls = 42, calls flagged for inlining = 18, calls inlined = 32, statements flattened = 528 [2023-11-06 23:10:13,303 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-06 23:10:13,303 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-06 23:10:13,304 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-06 23:10:13,304 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-06 23:10:13,314 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:10:13" (1/1) ... [2023-11-06 23:10:13,314 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:10:13" (1/1) ... [2023-11-06 23:10:13,322 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:10:13" (1/1) ... [2023-11-06 23:10:13,323 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:10:13" (1/1) ... [2023-11-06 23:10:13,347 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:10:13" (1/1) ... [2023-11-06 23:10:13,353 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:10:13" (1/1) ... [2023-11-06 23:10:13,356 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:10:13" (1/1) ... [2023-11-06 23:10:13,359 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:10:13" (1/1) ... [2023-11-06 23:10:13,365 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-06 23:10:13,366 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-06 23:10:13,366 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-06 23:10:13,367 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-06 23:10:13,380 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:10:13" (1/1) ... [2023-11-06 23:10:13,388 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-06 23:10:13,407 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3ce65c4-8092-4822-b444-28f89928a22d/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 23:10:13,420 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3ce65c4-8092-4822-b444-28f89928a22d/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-06 23:10:13,422 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3ce65c4-8092-4822-b444-28f89928a22d/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-06 23:10:13,450 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-06 23:10:13,451 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2023-11-06 23:10:13,451 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2023-11-06 23:10:13,451 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2023-11-06 23:10:13,451 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2023-11-06 23:10:13,451 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-06 23:10:13,451 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-06 23:10:13,451 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-06 23:10:13,452 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-06 23:10:13,452 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-06 23:10:13,452 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-06 23:10:13,452 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-06 23:10:13,452 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-06 23:10:13,454 WARN L210 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-11-06 23:10:13,583 INFO L236 CfgBuilder]: Building ICFG [2023-11-06 23:10:13,585 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-06 23:10:14,569 INFO L277 CfgBuilder]: Performing block encoding [2023-11-06 23:10:14,592 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-06 23:10:14,592 INFO L302 CfgBuilder]: Removed 3 assume(true) statements. [2023-11-06 23:10:14,597 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 11:10:14 BoogieIcfgContainer [2023-11-06 23:10:14,597 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-06 23:10:14,600 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-06 23:10:14,600 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-06 23:10:14,604 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-06 23:10:14,605 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.11 11:10:12" (1/3) ... [2023-11-06 23:10:14,606 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6f7a43fb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 11:10:14, skipping insertion in model container [2023-11-06 23:10:14,606 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:10:13" (2/3) ... [2023-11-06 23:10:14,608 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6f7a43fb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 11:10:14, skipping insertion in model container [2023-11-06 23:10:14,608 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 11:10:14" (3/3) ... [2023-11-06 23:10:14,610 INFO L112 eAbstractionObserver]: Analyzing ICFG parallel-misc-1.wvr.c [2023-11-06 23:10:14,620 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2023-11-06 23:10:14,631 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-06 23:10:14,631 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 75 error locations. [2023-11-06 23:10:14,631 INFO L519 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-11-06 23:10:14,816 INFO L144 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2023-11-06 23:10:14,869 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 698 places, 724 transitions, 1462 flow [2023-11-06 23:10:15,309 INFO L124 PetriNetUnfolderBase]: 33/722 cut-off events. [2023-11-06 23:10:15,310 INFO L125 PetriNetUnfolderBase]: For 2/2 co-relation queries the response was YES. [2023-11-06 23:10:15,340 INFO L83 FinitePrefix]: Finished finitePrefix Result has 731 conditions, 722 events. 33/722 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 8. Compared 1884 event pairs, 0 based on Foata normal form. 0/614 useless extension candidates. Maximal degree in co-relation 461. Up to 2 conditions per place. [2023-11-06 23:10:15,341 INFO L82 GeneralOperation]: Start removeDead. Operand has 698 places, 724 transitions, 1462 flow [2023-11-06 23:10:15,362 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 676 places, 701 transitions, 1414 flow [2023-11-06 23:10:15,366 INFO L124 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2023-11-06 23:10:15,376 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 676 places, 701 transitions, 1414 flow [2023-11-06 23:10:15,379 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 676 places, 701 transitions, 1414 flow [2023-11-06 23:10:15,380 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 676 places, 701 transitions, 1414 flow [2023-11-06 23:10:15,618 INFO L124 PetriNetUnfolderBase]: 32/701 cut-off events. [2023-11-06 23:10:15,619 INFO L125 PetriNetUnfolderBase]: For 2/2 co-relation queries the response was YES. [2023-11-06 23:10:15,630 INFO L83 FinitePrefix]: Finished finitePrefix Result has 710 conditions, 701 events. 32/701 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 8. Compared 1880 event pairs, 0 based on Foata normal form. 0/595 useless extension candidates. Maximal degree in co-relation 461. Up to 2 conditions per place. [2023-11-06 23:10:15,687 INFO L119 LiptonReduction]: Number of co-enabled transitions 112268 [2023-11-06 23:10:35,833 INFO L134 LiptonReduction]: Checked pairs total: 248702 [2023-11-06 23:10:35,833 INFO L136 LiptonReduction]: Total number of compositions: 835 [2023-11-06 23:10:35,850 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-06 23:10:35,857 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=LoopsAndPotentialCycles, 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;@1ae81b7b, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-11-06 23:10:35,858 INFO L358 AbstractCegarLoop]: Starting to check reachability of 125 error locations. [2023-11-06 23:10:35,859 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2023-11-06 23:10:35,860 INFO L124 PetriNetUnfolderBase]: 0/0 cut-off events. [2023-11-06 23:10:35,860 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2023-11-06 23:10:35,860 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-06 23:10:35,861 INFO L208 CegarLoopForPetriNet]: trace histogram [1] [2023-11-06 23:10:35,862 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err21ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err22ASSERT_VIOLATIONDATA_RACE (and 121 more)] === [2023-11-06 23:10:35,867 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 23:10:35,867 INFO L85 PathProgramCache]: Analyzing trace with hash 2802, now seen corresponding path program 1 times [2023-11-06 23:10:35,877 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 23:10:35,878 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1388878866] [2023-11-06 23:10:35,878 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 23:10:35,878 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 23:10:35,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:10:36,021 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-06 23:10:36,021 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 23:10:36,022 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1388878866] [2023-11-06 23:10:36,022 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1388878866] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 23:10:36,022 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 23:10:36,023 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [0] imperfect sequences [] total 0 [2023-11-06 23:10:36,025 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1657371764] [2023-11-06 23:10:36,026 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 23:10:36,035 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-06 23:10:36,042 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 23:10:36,068 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-06 23:10:36,069 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-06 23:10:36,078 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 696 out of 1559 [2023-11-06 23:10:36,086 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 150 places, 152 transitions, 316 flow. Second operand has 2 states, 2 states have (on average 696.5) internal successors, (1393), 2 states have internal predecessors, (1393), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 23:10:36,086 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-06 23:10:36,086 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 696 of 1559 [2023-11-06 23:10:36,087 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-06 23:10:36,532 INFO L124 PetriNetUnfolderBase]: 798/2213 cut-off events. [2023-11-06 23:10:36,532 INFO L125 PetriNetUnfolderBase]: For 71/91 co-relation queries the response was YES. [2023-11-06 23:10:36,537 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3573 conditions, 2213 events. 798/2213 cut-off events. For 71/91 co-relation queries the response was YES. Maximal size of possible extension queue 101. Compared 16092 event pairs, 669 based on Foata normal form. 168/2205 useless extension candidates. Maximal degree in co-relation 3335. Up to 1310 conditions per place. [2023-11-06 23:10:36,553 INFO L140 encePairwiseOnDemand]: 1500/1559 looper letters, 41 selfloop transitions, 0 changer transitions 1/93 dead transitions. [2023-11-06 23:10:36,553 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 96 places, 93 transitions, 282 flow [2023-11-06 23:10:36,555 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-06 23:10:36,558 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2023-11-06 23:10:36,576 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 1493 transitions. [2023-11-06 23:10:36,582 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.47883258499037845 [2023-11-06 23:10:36,583 INFO L72 ComplementDD]: Start complementDD. Operand 2 states and 1493 transitions. [2023-11-06 23:10:36,583 INFO L73 IsDeterministic]: Start isDeterministic. Operand 2 states and 1493 transitions. [2023-11-06 23:10:36,587 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-06 23:10:36,590 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 2 states and 1493 transitions. [2023-11-06 23:10:36,599 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 3 states, 2 states have (on average 746.5) internal successors, (1493), 2 states have internal predecessors, (1493), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 23:10:36,615 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 3 states, 3 states have (on average 1559.0) internal successors, (4677), 3 states have internal predecessors, (4677), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 23:10:36,619 INFO L81 ComplementDD]: Finished complementDD. Result has 3 states, 3 states have (on average 1559.0) internal successors, (4677), 3 states have internal predecessors, (4677), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 23:10:36,621 INFO L175 Difference]: Start difference. First operand has 150 places, 152 transitions, 316 flow. Second operand 2 states and 1493 transitions. [2023-11-06 23:10:36,622 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 96 places, 93 transitions, 282 flow [2023-11-06 23:10:36,629 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 92 places, 93 transitions, 274 flow, removed 0 selfloop flow, removed 4 redundant places. [2023-11-06 23:10:36,633 INFO L231 Difference]: Finished difference. Result has 92 places, 92 transitions, 187 flow [2023-11-06 23:10:36,636 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=1559, PETRI_DIFFERENCE_MINUEND_FLOW=190, PETRI_DIFFERENCE_MINUEND_PLACES=91, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=93, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=93, PETRI_DIFFERENCE_SUBTRAHEND_STATES=2, PETRI_FLOW=187, PETRI_PLACES=92, PETRI_TRANSITIONS=92} [2023-11-06 23:10:36,640 INFO L281 CegarLoopForPetriNet]: 150 programPoint places, -58 predicate places. [2023-11-06 23:10:36,641 INFO L495 AbstractCegarLoop]: Abstraction has has 92 places, 92 transitions, 187 flow [2023-11-06 23:10:36,642 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 696.5) internal successors, (1393), 2 states have internal predecessors, (1393), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 23:10:36,642 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-06 23:10:36,643 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1] [2023-11-06 23:10:36,643 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-06 23:10:36,643 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting thread1Err1ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err21ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err22ASSERT_VIOLATIONDATA_RACE (and 121 more)] === [2023-11-06 23:10:36,644 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 23:10:36,644 INFO L85 PathProgramCache]: Analyzing trace with hash -1528480501, now seen corresponding path program 1 times [2023-11-06 23:10:36,645 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 23:10:36,645 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1455987610] [2023-11-06 23:10:36,646 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 23:10:36,646 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 23:10:36,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:10:36,873 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-06 23:10:36,874 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 23:10:36,874 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1455987610] [2023-11-06 23:10:36,875 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1455987610] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 23:10:36,875 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 23:10:36,875 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-06 23:10:36,875 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [587350614] [2023-11-06 23:10:36,876 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 23:10:36,877 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-06 23:10:36,877 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 23:10:36,878 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-06 23:10:36,878 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-06 23:10:36,905 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 686 out of 1559 [2023-11-06 23:10:36,909 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 92 places, 92 transitions, 187 flow. Second operand has 3 states, 3 states have (on average 687.6666666666666) internal successors, (2063), 3 states have internal predecessors, (2063), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 23:10:36,910 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-06 23:10:36,910 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 686 of 1559 [2023-11-06 23:10:36,911 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-06 23:10:37,290 INFO L124 PetriNetUnfolderBase]: 798/2202 cut-off events. [2023-11-06 23:10:37,291 INFO L125 PetriNetUnfolderBase]: For 16/36 co-relation queries the response was YES. [2023-11-06 23:10:37,297 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3528 conditions, 2202 events. 798/2202 cut-off events. For 16/36 co-relation queries the response was YES. Maximal size of possible extension queue 101. Compared 15966 event pairs, 669 based on Foata normal form. 0/2026 useless extension candidates. Maximal degree in co-relation 3525. Up to 1308 conditions per place. [2023-11-06 23:10:37,311 INFO L140 encePairwiseOnDemand]: 1556/1559 looper letters, 40 selfloop transitions, 1 changer transitions 0/90 dead transitions. [2023-11-06 23:10:37,312 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 91 places, 90 transitions, 265 flow [2023-11-06 23:10:37,312 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-06 23:10:37,313 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-06 23:10:37,320 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 2101 transitions. [2023-11-06 23:10:37,322 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4492195852041907 [2023-11-06 23:10:37,322 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 2101 transitions. [2023-11-06 23:10:37,322 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 2101 transitions. [2023-11-06 23:10:37,324 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-06 23:10:37,324 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 2101 transitions. [2023-11-06 23:10:37,331 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 700.3333333333334) internal successors, (2101), 3 states have internal predecessors, (2101), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 23:10:37,345 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 1559.0) internal successors, (6236), 4 states have internal predecessors, (6236), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 23:10:37,351 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 1559.0) internal successors, (6236), 4 states have internal predecessors, (6236), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 23:10:37,351 INFO L175 Difference]: Start difference. First operand has 92 places, 92 transitions, 187 flow. Second operand 3 states and 2101 transitions. [2023-11-06 23:10:37,354 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 91 places, 90 transitions, 265 flow [2023-11-06 23:10:37,356 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 91 places, 90 transitions, 265 flow, removed 0 selfloop flow, removed 0 redundant places. [2023-11-06 23:10:37,360 INFO L231 Difference]: Finished difference. Result has 91 places, 90 transitions, 185 flow [2023-11-06 23:10:37,360 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=1559, PETRI_DIFFERENCE_MINUEND_FLOW=183, PETRI_DIFFERENCE_MINUEND_PLACES=89, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=90, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=89, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=185, PETRI_PLACES=91, PETRI_TRANSITIONS=90} [2023-11-06 23:10:37,362 INFO L281 CegarLoopForPetriNet]: 150 programPoint places, -59 predicate places. [2023-11-06 23:10:37,362 INFO L495 AbstractCegarLoop]: Abstraction has has 91 places, 90 transitions, 185 flow [2023-11-06 23:10:37,365 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 687.6666666666666) internal successors, (2063), 3 states have internal predecessors, (2063), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 23:10:37,365 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-06 23:10:37,366 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1] [2023-11-06 23:10:37,372 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-11-06 23:10:37,373 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting thread1Err21ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err21ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err22ASSERT_VIOLATIONDATA_RACE (and 121 more)] === [2023-11-06 23:10:37,376 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 23:10:37,376 INFO L85 PathProgramCache]: Analyzing trace with hash -138229438, now seen corresponding path program 1 times [2023-11-06 23:10:37,376 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 23:10:37,377 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2109153855] [2023-11-06 23:10:37,377 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 23:10:37,378 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 23:10:37,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:10:37,488 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-06 23:10:37,488 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 23:10:37,489 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2109153855] [2023-11-06 23:10:37,489 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2109153855] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 23:10:37,490 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 23:10:37,490 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-06 23:10:37,491 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [307119214] [2023-11-06 23:10:37,491 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 23:10:37,492 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-06 23:10:37,492 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 23:10:37,492 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-06 23:10:37,492 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-06 23:10:37,536 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 681 out of 1559 [2023-11-06 23:10:37,540 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 91 places, 90 transitions, 185 flow. Second operand has 3 states, 3 states have (on average 683.0) internal successors, (2049), 3 states have internal predecessors, (2049), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 23:10:37,540 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-06 23:10:37,540 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 681 of 1559 [2023-11-06 23:10:37,540 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-06 23:10:38,047 INFO L124 PetriNetUnfolderBase]: 1386/3614 cut-off events. [2023-11-06 23:10:38,048 INFO L125 PetriNetUnfolderBase]: For 6/78 co-relation queries the response was YES. [2023-11-06 23:10:38,058 INFO L83 FinitePrefix]: Finished finitePrefix Result has 5880 conditions, 3614 events. 1386/3614 cut-off events. For 6/78 co-relation queries the response was YES. Maximal size of possible extension queue 100. Compared 25814 event pairs, 495 based on Foata normal form. 1/3331 useless extension candidates. Maximal degree in co-relation 5876. Up to 1255 conditions per place. [2023-11-06 23:10:38,082 INFO L140 encePairwiseOnDemand]: 1554/1559 looper letters, 69 selfloop transitions, 4 changer transitions 0/121 dead transitions. [2023-11-06 23:10:38,082 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 92 places, 121 transitions, 394 flow [2023-11-06 23:10:38,082 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-06 23:10:38,083 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-06 23:10:38,089 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 2117 transitions. [2023-11-06 23:10:38,090 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4526405815693821 [2023-11-06 23:10:38,091 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 2117 transitions. [2023-11-06 23:10:38,091 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 2117 transitions. [2023-11-06 23:10:38,093 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-06 23:10:38,093 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 2117 transitions. [2023-11-06 23:10:38,099 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 705.6666666666666) internal successors, (2117), 3 states have internal predecessors, (2117), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 23:10:38,112 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 1559.0) internal successors, (6236), 4 states have internal predecessors, (6236), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 23:10:38,118 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 1559.0) internal successors, (6236), 4 states have internal predecessors, (6236), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 23:10:38,118 INFO L175 Difference]: Start difference. First operand has 91 places, 90 transitions, 185 flow. Second operand 3 states and 2117 transitions. [2023-11-06 23:10:38,118 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 92 places, 121 transitions, 394 flow [2023-11-06 23:10:38,120 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 91 places, 121 transitions, 393 flow, removed 0 selfloop flow, removed 1 redundant places. [2023-11-06 23:10:38,122 INFO L231 Difference]: Finished difference. Result has 93 places, 91 transitions, 206 flow [2023-11-06 23:10:38,123 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=1559, PETRI_DIFFERENCE_MINUEND_FLOW=182, PETRI_DIFFERENCE_MINUEND_PLACES=89, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=89, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=85, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=206, PETRI_PLACES=93, PETRI_TRANSITIONS=91} [2023-11-06 23:10:38,124 INFO L281 CegarLoopForPetriNet]: 150 programPoint places, -57 predicate places. [2023-11-06 23:10:38,124 INFO L495 AbstractCegarLoop]: Abstraction has has 93 places, 91 transitions, 206 flow [2023-11-06 23:10:38,126 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 683.0) internal successors, (2049), 3 states have internal predecessors, (2049), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 23:10:38,126 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-06 23:10:38,126 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2023-11-06 23:10:38,126 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-11-06 23:10:38,127 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting thread1Err3ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err21ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err22ASSERT_VIOLATIONDATA_RACE (and 121 more)] === [2023-11-06 23:10:38,127 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 23:10:38,127 INFO L85 PathProgramCache]: Analyzing trace with hash 9873503, now seen corresponding path program 1 times [2023-11-06 23:10:38,128 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 23:10:38,128 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1338468634] [2023-11-06 23:10:38,128 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 23:10:38,128 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 23:10:38,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:10:38,179 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-06 23:10:38,180 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 23:10:38,180 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1338468634] [2023-11-06 23:10:38,180 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1338468634] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 23:10:38,180 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 23:10:38,181 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-06 23:10:38,181 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1181875564] [2023-11-06 23:10:38,181 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 23:10:38,181 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-06 23:10:38,182 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 23:10:38,182 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-06 23:10:38,182 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-06 23:10:38,207 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 677 out of 1559 [2023-11-06 23:10:38,211 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 93 places, 91 transitions, 206 flow. Second operand has 3 states, 3 states have (on average 679.3333333333334) internal successors, (2038), 3 states have internal predecessors, (2038), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 23:10:38,211 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-06 23:10:38,211 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 677 of 1559 [2023-11-06 23:10:38,211 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-06 23:10:38,710 INFO L124 PetriNetUnfolderBase]: 1481/3611 cut-off events. [2023-11-06 23:10:38,710 INFO L125 PetriNetUnfolderBase]: For 299/319 co-relation queries the response was YES. [2023-11-06 23:10:38,722 INFO L83 FinitePrefix]: Finished finitePrefix Result has 6358 conditions, 3611 events. 1481/3611 cut-off events. For 299/319 co-relation queries the response was YES. Maximal size of possible extension queue 110. Compared 24838 event pairs, 468 based on Foata normal form. 0/3448 useless extension candidates. Maximal degree in co-relation 6353. Up to 2256 conditions per place. [2023-11-06 23:10:38,746 INFO L140 encePairwiseOnDemand]: 1551/1559 looper letters, 56 selfloop transitions, 2 changer transitions 0/100 dead transitions. [2023-11-06 23:10:38,746 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 89 places, 100 transitions, 348 flow [2023-11-06 23:10:38,747 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-06 23:10:38,747 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-06 23:10:38,754 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 2093 transitions. [2023-11-06 23:10:38,755 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.44750908702159503 [2023-11-06 23:10:38,755 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 2093 transitions. [2023-11-06 23:10:38,756 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 2093 transitions. [2023-11-06 23:10:38,757 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-06 23:10:38,758 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 2093 transitions. [2023-11-06 23:10:38,764 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 697.6666666666666) internal successors, (2093), 3 states have internal predecessors, (2093), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 23:10:38,779 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 1559.0) internal successors, (6236), 4 states have internal predecessors, (6236), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 23:10:38,783 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 1559.0) internal successors, (6236), 4 states have internal predecessors, (6236), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 23:10:38,783 INFO L175 Difference]: Start difference. First operand has 93 places, 91 transitions, 206 flow. Second operand 3 states and 2093 transitions. [2023-11-06 23:10:38,783 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 89 places, 100 transitions, 348 flow [2023-11-06 23:10:38,786 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 87 places, 100 transitions, 338 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-11-06 23:10:38,788 INFO L231 Difference]: Finished difference. Result has 88 places, 87 transitions, 200 flow [2023-11-06 23:10:38,789 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=1559, PETRI_DIFFERENCE_MINUEND_FLOW=186, PETRI_DIFFERENCE_MINUEND_PLACES=85, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=85, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=83, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=200, PETRI_PLACES=88, PETRI_TRANSITIONS=87} [2023-11-06 23:10:38,790 INFO L281 CegarLoopForPetriNet]: 150 programPoint places, -62 predicate places. [2023-11-06 23:10:38,790 INFO L495 AbstractCegarLoop]: Abstraction has has 88 places, 87 transitions, 200 flow [2023-11-06 23:10:38,791 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 679.3333333333334) internal successors, (2038), 3 states have internal predecessors, (2038), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 23:10:38,792 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-06 23:10:38,792 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 23:10:38,792 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-11-06 23:10:38,792 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting thread2Err21ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err21ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err22ASSERT_VIOLATIONDATA_RACE (and 121 more)] === [2023-11-06 23:10:38,793 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 23:10:38,793 INFO L85 PathProgramCache]: Analyzing trace with hash 457790875, now seen corresponding path program 1 times [2023-11-06 23:10:38,793 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 23:10:38,793 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1942578704] [2023-11-06 23:10:38,794 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 23:10:38,794 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 23:10:38,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:10:38,843 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-06 23:10:38,843 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 23:10:38,843 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1942578704] [2023-11-06 23:10:38,844 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1942578704] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 23:10:38,844 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 23:10:38,844 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-06 23:10:38,844 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1268326391] [2023-11-06 23:10:38,845 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 23:10:38,845 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-06 23:10:38,845 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 23:10:38,846 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-06 23:10:38,846 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-06 23:10:38,873 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 681 out of 1559 [2023-11-06 23:10:38,876 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 88 places, 87 transitions, 200 flow. Second operand has 3 states, 3 states have (on average 683.6666666666666) internal successors, (2051), 3 states have internal predecessors, (2051), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 23:10:38,877 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-06 23:10:38,877 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 681 of 1559 [2023-11-06 23:10:38,877 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-06 23:10:39,668 INFO L124 PetriNetUnfolderBase]: 2461/5512 cut-off events. [2023-11-06 23:10:39,669 INFO L125 PetriNetUnfolderBase]: For 387/407 co-relation queries the response was YES. [2023-11-06 23:10:39,687 INFO L83 FinitePrefix]: Finished finitePrefix Result has 10044 conditions, 5512 events. 2461/5512 cut-off events. For 387/407 co-relation queries the response was YES. Maximal size of possible extension queue 129. Compared 38384 event pairs, 936 based on Foata normal form. 0/5234 useless extension candidates. Maximal degree in co-relation 10039. Up to 2082 conditions per place. [2023-11-06 23:10:39,719 INFO L140 encePairwiseOnDemand]: 1554/1559 looper letters, 75 selfloop transitions, 4 changer transitions 0/120 dead transitions. [2023-11-06 23:10:39,720 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 89 places, 120 transitions, 442 flow [2023-11-06 23:10:39,720 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-06 23:10:39,720 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-06 23:10:39,727 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 2116 transitions. [2023-11-06 23:10:39,728 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4524267692965576 [2023-11-06 23:10:39,729 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 2116 transitions. [2023-11-06 23:10:39,729 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 2116 transitions. [2023-11-06 23:10:39,731 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-06 23:10:39,731 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 2116 transitions. [2023-11-06 23:10:39,737 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 705.3333333333334) internal successors, (2116), 3 states have internal predecessors, (2116), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 23:10:39,747 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 1559.0) internal successors, (6236), 4 states have internal predecessors, (6236), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 23:10:39,750 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 1559.0) internal successors, (6236), 4 states have internal predecessors, (6236), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 23:10:39,751 INFO L175 Difference]: Start difference. First operand has 88 places, 87 transitions, 200 flow. Second operand 3 states and 2116 transitions. [2023-11-06 23:10:39,751 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 89 places, 120 transitions, 442 flow [2023-11-06 23:10:39,752 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 89 places, 120 transitions, 442 flow, removed 0 selfloop flow, removed 0 redundant places. [2023-11-06 23:10:39,755 INFO L231 Difference]: Finished difference. Result has 91 places, 88 transitions, 222 flow [2023-11-06 23:10:39,755 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=1559, PETRI_DIFFERENCE_MINUEND_FLOW=198, PETRI_DIFFERENCE_MINUEND_PLACES=87, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=86, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=82, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=222, PETRI_PLACES=91, PETRI_TRANSITIONS=88} [2023-11-06 23:10:39,756 INFO L281 CegarLoopForPetriNet]: 150 programPoint places, -59 predicate places. [2023-11-06 23:10:39,756 INFO L495 AbstractCegarLoop]: Abstraction has has 91 places, 88 transitions, 222 flow [2023-11-06 23:10:39,757 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 683.6666666666666) internal successors, (2051), 3 states have internal predecessors, (2051), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 23:10:39,758 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-06 23:10:39,758 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 23:10:39,758 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2023-11-06 23:10:39,758 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr23ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err21ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err22ASSERT_VIOLATIONDATA_RACE (and 121 more)] === [2023-11-06 23:10:39,759 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 23:10:39,759 INFO L85 PathProgramCache]: Analyzing trace with hash 1821846784, now seen corresponding path program 1 times [2023-11-06 23:10:39,759 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 23:10:39,759 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1364368299] [2023-11-06 23:10:39,760 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 23:10:39,760 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 23:10:39,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:10:40,225 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-06 23:10:40,225 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 23:10:40,226 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1364368299] [2023-11-06 23:10:40,226 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1364368299] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 23:10:40,226 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 23:10:40,226 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-06 23:10:40,226 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1321899088] [2023-11-06 23:10:40,226 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 23:10:40,227 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-06 23:10:40,227 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 23:10:40,227 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-06 23:10:40,228 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-11-06 23:10:40,699 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 682 out of 1559 [2023-11-06 23:10:40,704 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 91 places, 88 transitions, 222 flow. Second operand has 6 states, 6 states have (on average 683.6666666666666) internal successors, (4102), 6 states have internal predecessors, (4102), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 23:10:40,705 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-06 23:10:40,705 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 682 of 1559 [2023-11-06 23:10:40,705 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-06 23:10:42,800 INFO L124 PetriNetUnfolderBase]: 8457/14289 cut-off events. [2023-11-06 23:10:42,800 INFO L125 PetriNetUnfolderBase]: For 2921/2921 co-relation queries the response was YES. [2023-11-06 23:10:42,843 INFO L83 FinitePrefix]: Finished finitePrefix Result has 29845 conditions, 14289 events. 8457/14289 cut-off events. For 2921/2921 co-relation queries the response was YES. Maximal size of possible extension queue 293. Compared 97205 event pairs, 647 based on Foata normal form. 0/14106 useless extension candidates. Maximal degree in co-relation 29838. Up to 4478 conditions per place. [2023-11-06 23:10:42,912 INFO L140 encePairwiseOnDemand]: 1554/1559 looper letters, 199 selfloop transitions, 4 changer transitions 0/239 dead transitions. [2023-11-06 23:10:42,912 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 95 places, 239 transitions, 1074 flow [2023-11-06 23:10:42,913 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-06 23:10:42,913 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-11-06 23:10:42,926 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 4266 transitions. [2023-11-06 23:10:42,928 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.45606157793457347 [2023-11-06 23:10:42,929 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 4266 transitions. [2023-11-06 23:10:42,929 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 4266 transitions. [2023-11-06 23:10:42,932 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-06 23:10:42,932 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 4266 transitions. [2023-11-06 23:10:42,943 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 711.0) internal successors, (4266), 6 states have internal predecessors, (4266), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 23:10:42,961 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 1559.0) internal successors, (10913), 7 states have internal predecessors, (10913), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 23:10:42,964 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 1559.0) internal successors, (10913), 7 states have internal predecessors, (10913), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 23:10:42,964 INFO L175 Difference]: Start difference. First operand has 91 places, 88 transitions, 222 flow. Second operand 6 states and 4266 transitions. [2023-11-06 23:10:42,964 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 95 places, 239 transitions, 1074 flow [2023-11-06 23:10:42,976 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 93 places, 239 transitions, 1042 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-11-06 23:10:42,980 INFO L231 Difference]: Finished difference. Result has 93 places, 87 transitions, 220 flow [2023-11-06 23:10:42,981 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=1559, PETRI_DIFFERENCE_MINUEND_FLOW=212, PETRI_DIFFERENCE_MINUEND_PLACES=88, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=87, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=83, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=220, PETRI_PLACES=93, PETRI_TRANSITIONS=87} [2023-11-06 23:10:42,982 INFO L281 CegarLoopForPetriNet]: 150 programPoint places, -57 predicate places. [2023-11-06 23:10:42,987 INFO L495 AbstractCegarLoop]: Abstraction has has 93 places, 87 transitions, 220 flow [2023-11-06 23:10:42,989 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 683.6666666666666) internal successors, (4102), 6 states have internal predecessors, (4102), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 23:10:42,989 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-06 23:10:42,989 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 23:10:42,989 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2023-11-06 23:10:42,990 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting thread1Err5ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err21ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err22ASSERT_VIOLATIONDATA_RACE (and 121 more)] === [2023-11-06 23:10:42,990 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 23:10:42,990 INFO L85 PathProgramCache]: Analyzing trace with hash -1770125901, now seen corresponding path program 1 times [2023-11-06 23:10:42,990 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 23:10:42,991 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1707667952] [2023-11-06 23:10:42,991 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 23:10:42,991 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 23:10:43,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:10:43,118 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-06 23:10:43,118 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 23:10:43,118 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1707667952] [2023-11-06 23:10:43,118 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1707667952] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 23:10:43,119 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 23:10:43,119 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-06 23:10:43,119 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1807270357] [2023-11-06 23:10:43,120 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 23:10:43,120 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-06 23:10:43,120 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 23:10:43,121 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-06 23:10:43,121 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-06 23:10:43,289 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 684 out of 1559 [2023-11-06 23:10:43,292 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 93 places, 87 transitions, 220 flow. Second operand has 4 states, 4 states have (on average 685.75) internal successors, (2743), 4 states have internal predecessors, (2743), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 23:10:43,292 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-06 23:10:43,292 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 684 of 1559 [2023-11-06 23:10:43,292 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-06 23:10:44,119 INFO L124 PetriNetUnfolderBase]: 2670/6111 cut-off events. [2023-11-06 23:10:44,119 INFO L125 PetriNetUnfolderBase]: For 1269/1277 co-relation queries the response was YES. [2023-11-06 23:10:44,141 INFO L83 FinitePrefix]: Finished finitePrefix Result has 12151 conditions, 6111 events. 2670/6111 cut-off events. For 1269/1277 co-relation queries the response was YES. Maximal size of possible extension queue 134. Compared 43772 event pairs, 2103 based on Foata normal form. 66/6110 useless extension candidates. Maximal degree in co-relation 12144. Up to 3394 conditions per place. [2023-11-06 23:10:44,166 INFO L140 encePairwiseOnDemand]: 1554/1559 looper letters, 70 selfloop transitions, 5 changer transitions 0/115 dead transitions. [2023-11-06 23:10:44,166 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 96 places, 115 transitions, 451 flow [2023-11-06 23:10:44,167 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-06 23:10:44,167 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2023-11-06 23:10:44,175 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 2803 transitions. [2023-11-06 23:10:44,177 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4494868505452213 [2023-11-06 23:10:44,178 INFO L72 ComplementDD]: Start complementDD. Operand 4 states and 2803 transitions. [2023-11-06 23:10:44,178 INFO L73 IsDeterministic]: Start isDeterministic. Operand 4 states and 2803 transitions. [2023-11-06 23:10:44,181 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-06 23:10:44,184 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 4 states and 2803 transitions. [2023-11-06 23:10:44,191 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 5 states, 4 states have (on average 700.75) internal successors, (2803), 4 states have internal predecessors, (2803), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 23:10:44,204 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 5 states, 5 states have (on average 1559.0) internal successors, (7795), 5 states have internal predecessors, (7795), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 23:10:44,206 INFO L81 ComplementDD]: Finished complementDD. Result has 5 states, 5 states have (on average 1559.0) internal successors, (7795), 5 states have internal predecessors, (7795), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 23:10:44,206 INFO L175 Difference]: Start difference. First operand has 93 places, 87 transitions, 220 flow. Second operand 4 states and 2803 transitions. [2023-11-06 23:10:44,207 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 96 places, 115 transitions, 451 flow [2023-11-06 23:10:44,211 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 92 places, 115 transitions, 442 flow, removed 0 selfloop flow, removed 4 redundant places. [2023-11-06 23:10:44,214 INFO L231 Difference]: Finished difference. Result has 95 places, 90 transitions, 253 flow [2023-11-06 23:10:44,214 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=1559, PETRI_DIFFERENCE_MINUEND_FLOW=213, PETRI_DIFFERENCE_MINUEND_PLACES=89, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=87, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=82, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=253, PETRI_PLACES=95, PETRI_TRANSITIONS=90} [2023-11-06 23:10:44,216 INFO L281 CegarLoopForPetriNet]: 150 programPoint places, -55 predicate places. [2023-11-06 23:10:44,216 INFO L495 AbstractCegarLoop]: Abstraction has has 95 places, 90 transitions, 253 flow [2023-11-06 23:10:44,217 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 685.75) internal successors, (2743), 4 states have internal predecessors, (2743), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 23:10:44,217 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-06 23:10:44,217 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 23:10:44,217 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2023-11-06 23:10:44,218 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting thread2Err5ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err21ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err22ASSERT_VIOLATIONDATA_RACE (and 121 more)] === [2023-11-06 23:10:44,218 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 23:10:44,218 INFO L85 PathProgramCache]: Analyzing trace with hash -1426953581, now seen corresponding path program 1 times [2023-11-06 23:10:44,218 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 23:10:44,218 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [568507692] [2023-11-06 23:10:44,219 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 23:10:44,219 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 23:10:44,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:10:44,701 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-06 23:10:44,702 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 23:10:44,702 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [568507692] [2023-11-06 23:10:44,702 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [568507692] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 23:10:44,702 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 23:10:44,703 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-06 23:10:44,703 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2055350837] [2023-11-06 23:10:44,703 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 23:10:44,704 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-06 23:10:44,704 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 23:10:44,704 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-06 23:10:44,705 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-11-06 23:10:45,206 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 669 out of 1559 [2023-11-06 23:10:45,211 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 95 places, 90 transitions, 253 flow. Second operand has 6 states, 6 states have (on average 671.3333333333334) internal successors, (4028), 6 states have internal predecessors, (4028), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 23:10:45,212 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-06 23:10:45,212 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 669 of 1559 [2023-11-06 23:10:45,212 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-06 23:10:46,477 INFO L124 PetriNetUnfolderBase]: 3960/7283 cut-off events. [2023-11-06 23:10:46,478 INFO L125 PetriNetUnfolderBase]: For 2061/2081 co-relation queries the response was YES. [2023-11-06 23:10:46,502 INFO L83 FinitePrefix]: Finished finitePrefix Result has 15553 conditions, 7283 events. 3960/7283 cut-off events. For 2061/2081 co-relation queries the response was YES. Maximal size of possible extension queue 147. Compared 45148 event pairs, 994 based on Foata normal form. 0/7253 useless extension candidates. Maximal degree in co-relation 15544. Up to 3468 conditions per place. [2023-11-06 23:10:46,534 INFO L140 encePairwiseOnDemand]: 1551/1559 looper letters, 138 selfloop transitions, 5 changer transitions 0/171 dead transitions. [2023-11-06 23:10:46,534 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 97 places, 171 transitions, 809 flow [2023-11-06 23:10:46,534 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-06 23:10:46,535 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-11-06 23:10:46,547 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 4139 transitions. [2023-11-06 23:10:46,550 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4424844986102202 [2023-11-06 23:10:46,550 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 4139 transitions. [2023-11-06 23:10:46,550 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 4139 transitions. [2023-11-06 23:10:46,553 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-06 23:10:46,553 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 4139 transitions. [2023-11-06 23:10:46,563 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 689.8333333333334) internal successors, (4139), 6 states have internal predecessors, (4139), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 23:10:46,580 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 1559.0) internal successors, (10913), 7 states have internal predecessors, (10913), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 23:10:46,584 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 1559.0) internal successors, (10913), 7 states have internal predecessors, (10913), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 23:10:46,584 INFO L175 Difference]: Start difference. First operand has 95 places, 90 transitions, 253 flow. Second operand 6 states and 4139 transitions. [2023-11-06 23:10:46,584 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 97 places, 171 transitions, 809 flow [2023-11-06 23:10:46,589 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 97 places, 171 transitions, 807 flow, removed 1 selfloop flow, removed 0 redundant places. [2023-11-06 23:10:46,592 INFO L231 Difference]: Finished difference. Result has 97 places, 87 transitions, 255 flow [2023-11-06 23:10:46,592 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=1559, PETRI_DIFFERENCE_MINUEND_FLOW=245, PETRI_DIFFERENCE_MINUEND_PLACES=92, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=87, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=82, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=255, PETRI_PLACES=97, PETRI_TRANSITIONS=87} [2023-11-06 23:10:46,595 INFO L281 CegarLoopForPetriNet]: 150 programPoint places, -53 predicate places. [2023-11-06 23:10:46,596 INFO L495 AbstractCegarLoop]: Abstraction has has 97 places, 87 transitions, 255 flow [2023-11-06 23:10:46,597 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 671.3333333333334) internal successors, (4028), 6 states have internal predecessors, (4028), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 23:10:46,597 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-06 23:10:46,597 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 23:10:46,597 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2023-11-06 23:10:46,598 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting thread1Err5ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err21ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err22ASSERT_VIOLATIONDATA_RACE (and 121 more)] === [2023-11-06 23:10:46,598 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 23:10:46,598 INFO L85 PathProgramCache]: Analyzing trace with hash -110443937, now seen corresponding path program 1 times [2023-11-06 23:10:46,598 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 23:10:46,598 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [988325463] [2023-11-06 23:10:46,598 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 23:10:46,599 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 23:10:46,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:10:46,964 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-06 23:10:46,964 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 23:10:46,964 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [988325463] [2023-11-06 23:10:46,964 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [988325463] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 23:10:46,964 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 23:10:46,965 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-06 23:10:46,965 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1623760893] [2023-11-06 23:10:46,965 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 23:10:46,965 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-06 23:10:46,965 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 23:10:46,966 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-06 23:10:46,971 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-11-06 23:10:47,469 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 669 out of 1559 [2023-11-06 23:10:47,473 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 97 places, 87 transitions, 255 flow. Second operand has 6 states, 6 states have (on average 671.1666666666666) internal successors, (4027), 6 states have internal predecessors, (4027), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 23:10:47,473 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-06 23:10:47,473 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 669 of 1559 [2023-11-06 23:10:47,473 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-06 23:10:48,530 INFO L124 PetriNetUnfolderBase]: 4450/7934 cut-off events. [2023-11-06 23:10:48,531 INFO L125 PetriNetUnfolderBase]: For 1955/1975 co-relation queries the response was YES. [2023-11-06 23:10:48,566 INFO L83 FinitePrefix]: Finished finitePrefix Result has 17395 conditions, 7934 events. 4450/7934 cut-off events. For 1955/1975 co-relation queries the response was YES. Maximal size of possible extension queue 131. Compared 46943 event pairs, 1132 based on Foata normal form. 0/7915 useless extension candidates. Maximal degree in co-relation 17385. Up to 3882 conditions per place. [2023-11-06 23:10:48,596 INFO L140 encePairwiseOnDemand]: 1551/1559 looper letters, 145 selfloop transitions, 5 changer transitions 0/172 dead transitions. [2023-11-06 23:10:48,597 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 99 places, 172 transitions, 793 flow [2023-11-06 23:10:48,597 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-06 23:10:48,597 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-11-06 23:10:48,609 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 4150 transitions. [2023-11-06 23:10:48,612 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.44366046611075477 [2023-11-06 23:10:48,612 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 4150 transitions. [2023-11-06 23:10:48,612 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 4150 transitions. [2023-11-06 23:10:48,616 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-06 23:10:48,616 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 4150 transitions. [2023-11-06 23:10:48,626 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 691.6666666666666) internal successors, (4150), 6 states have internal predecessors, (4150), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 23:10:48,641 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 1559.0) internal successors, (10913), 7 states have internal predecessors, (10913), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 23:10:48,644 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 1559.0) internal successors, (10913), 7 states have internal predecessors, (10913), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 23:10:48,645 INFO L175 Difference]: Start difference. First operand has 97 places, 87 transitions, 255 flow. Second operand 6 states and 4150 transitions. [2023-11-06 23:10:48,645 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 99 places, 172 transitions, 793 flow [2023-11-06 23:10:48,650 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 94 places, 172 transitions, 767 flow, removed 0 selfloop flow, removed 5 redundant places. [2023-11-06 23:10:48,652 INFO L231 Difference]: Finished difference. Result has 94 places, 84 transitions, 249 flow [2023-11-06 23:10:48,652 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=1559, PETRI_DIFFERENCE_MINUEND_FLOW=239, PETRI_DIFFERENCE_MINUEND_PLACES=89, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=84, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=79, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=249, PETRI_PLACES=94, PETRI_TRANSITIONS=84} [2023-11-06 23:10:48,653 INFO L281 CegarLoopForPetriNet]: 150 programPoint places, -56 predicate places. [2023-11-06 23:10:48,653 INFO L495 AbstractCegarLoop]: Abstraction has has 94 places, 84 transitions, 249 flow [2023-11-06 23:10:48,655 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 671.1666666666666) internal successors, (4027), 6 states have internal predecessors, (4027), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 23:10:48,655 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-06 23:10:48,655 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 23:10:48,655 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2023-11-06 23:10:48,655 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr24ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err21ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err22ASSERT_VIOLATIONDATA_RACE (and 121 more)] === [2023-11-06 23:10:48,656 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 23:10:48,656 INFO L85 PathProgramCache]: Analyzing trace with hash -469327164, now seen corresponding path program 1 times [2023-11-06 23:10:48,656 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 23:10:48,656 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [917901536] [2023-11-06 23:10:48,657 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 23:10:48,657 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 23:10:48,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:10:48,997 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-06 23:10:48,997 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 23:10:48,999 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [917901536] [2023-11-06 23:10:49,000 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [917901536] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 23:10:49,000 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 23:10:49,000 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-06 23:10:49,000 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1534967834] [2023-11-06 23:10:49,000 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 23:10:49,001 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-06 23:10:49,002 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 23:10:49,002 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-06 23:10:49,003 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-11-06 23:10:49,410 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 682 out of 1559 [2023-11-06 23:10:49,414 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 94 places, 84 transitions, 249 flow. Second operand has 6 states, 6 states have (on average 684.5) internal successors, (4107), 6 states have internal predecessors, (4107), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 23:10:49,414 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-06 23:10:49,414 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 682 of 1559 [2023-11-06 23:10:49,414 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-06 23:10:50,325 INFO L124 PetriNetUnfolderBase]: 2810/5995 cut-off events. [2023-11-06 23:10:50,325 INFO L125 PetriNetUnfolderBase]: For 1320/1340 co-relation queries the response was YES. [2023-11-06 23:10:50,347 INFO L83 FinitePrefix]: Finished finitePrefix Result has 12411 conditions, 5995 events. 2810/5995 cut-off events. For 1320/1340 co-relation queries the response was YES. Maximal size of possible extension queue 123. Compared 40657 event pairs, 2073 based on Foata normal form. 0/5932 useless extension candidates. Maximal degree in co-relation 12401. Up to 4208 conditions per place. [2023-11-06 23:10:50,368 INFO L140 encePairwiseOnDemand]: 1554/1559 looper letters, 118 selfloop transitions, 4 changer transitions 12/163 dead transitions. [2023-11-06 23:10:50,368 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 98 places, 163 transitions, 735 flow [2023-11-06 23:10:50,369 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-06 23:10:50,369 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-11-06 23:10:50,381 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 4206 transitions. [2023-11-06 23:10:50,384 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4496472097498396 [2023-11-06 23:10:50,385 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 4206 transitions. [2023-11-06 23:10:50,385 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 4206 transitions. [2023-11-06 23:10:50,388 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-06 23:10:50,388 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 4206 transitions. [2023-11-06 23:10:50,398 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 701.0) internal successors, (4206), 6 states have internal predecessors, (4206), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 23:10:50,476 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 1559.0) internal successors, (10913), 7 states have internal predecessors, (10913), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 23:10:50,479 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 1559.0) internal successors, (10913), 7 states have internal predecessors, (10913), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 23:10:50,480 INFO L175 Difference]: Start difference. First operand has 94 places, 84 transitions, 249 flow. Second operand 6 states and 4206 transitions. [2023-11-06 23:10:50,480 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 98 places, 163 transitions, 735 flow [2023-11-06 23:10:50,484 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 93 places, 163 transitions, 725 flow, removed 0 selfloop flow, removed 5 redundant places. [2023-11-06 23:10:50,486 INFO L231 Difference]: Finished difference. Result has 93 places, 83 transitions, 245 flow [2023-11-06 23:10:50,487 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=1559, PETRI_DIFFERENCE_MINUEND_FLOW=237, PETRI_DIFFERENCE_MINUEND_PLACES=88, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=83, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=79, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=245, PETRI_PLACES=93, PETRI_TRANSITIONS=83} [2023-11-06 23:10:50,487 INFO L281 CegarLoopForPetriNet]: 150 programPoint places, -57 predicate places. [2023-11-06 23:10:50,488 INFO L495 AbstractCegarLoop]: Abstraction has has 93 places, 83 transitions, 245 flow [2023-11-06 23:10:50,489 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 684.5) internal successors, (4107), 6 states have internal predecessors, (4107), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 23:10:50,489 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-06 23:10:50,489 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] [2023-11-06 23:10:50,489 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2023-11-06 23:10:50,490 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting thread2Err19ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err21ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err22ASSERT_VIOLATIONDATA_RACE (and 121 more)] === [2023-11-06 23:10:50,490 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 23:10:50,490 INFO L85 PathProgramCache]: Analyzing trace with hash 144421817, now seen corresponding path program 1 times [2023-11-06 23:10:50,490 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 23:10:50,491 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1455831356] [2023-11-06 23:10:50,491 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 23:10:50,491 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 23:10:50,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:10:50,545 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-06 23:10:50,545 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 23:10:50,546 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1455831356] [2023-11-06 23:10:50,546 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1455831356] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 23:10:50,547 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 23:10:50,547 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-06 23:10:50,547 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [700369944] [2023-11-06 23:10:50,547 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 23:10:50,547 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-06 23:10:50,548 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 23:10:50,548 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-06 23:10:50,548 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-06 23:10:50,575 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 676 out of 1559 [2023-11-06 23:10:50,578 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 93 places, 83 transitions, 245 flow. Second operand has 3 states, 3 states have (on average 681.3333333333334) internal successors, (2044), 3 states have internal predecessors, (2044), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 23:10:50,578 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-06 23:10:50,578 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 676 of 1559 [2023-11-06 23:10:50,578 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-06 23:10:51,245 INFO L124 PetriNetUnfolderBase]: 2750/5829 cut-off events. [2023-11-06 23:10:51,245 INFO L125 PetriNetUnfolderBase]: For 1294/1314 co-relation queries the response was YES. [2023-11-06 23:10:51,264 INFO L83 FinitePrefix]: Finished finitePrefix Result has 11768 conditions, 5829 events. 2750/5829 cut-off events. For 1294/1314 co-relation queries the response was YES. Maximal size of possible extension queue 115. Compared 38903 event pairs, 2021 based on Foata normal form. 0/5767 useless extension candidates. Maximal degree in co-relation 11758. Up to 4121 conditions per place. [2023-11-06 23:10:51,282 INFO L140 encePairwiseOnDemand]: 1555/1559 looper letters, 56 selfloop transitions, 3 changer transitions 17/104 dead transitions. [2023-11-06 23:10:51,282 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 94 places, 104 transitions, 460 flow [2023-11-06 23:10:51,282 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-06 23:10:51,282 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-06 23:10:51,288 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 2089 transitions. [2023-11-06 23:10:51,290 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4466538379302972 [2023-11-06 23:10:51,290 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 2089 transitions. [2023-11-06 23:10:51,290 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 2089 transitions. [2023-11-06 23:10:51,292 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-06 23:10:51,292 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 2089 transitions. [2023-11-06 23:10:51,297 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 696.3333333333334) internal successors, (2089), 3 states have internal predecessors, (2089), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 23:10:51,305 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 1559.0) internal successors, (6236), 4 states have internal predecessors, (6236), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 23:10:51,307 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 1559.0) internal successors, (6236), 4 states have internal predecessors, (6236), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 23:10:51,307 INFO L175 Difference]: Start difference. First operand has 93 places, 83 transitions, 245 flow. Second operand 3 states and 2089 transitions. [2023-11-06 23:10:51,307 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 94 places, 104 transitions, 460 flow [2023-11-06 23:10:51,310 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 90 places, 104 transitions, 451 flow, removed 0 selfloop flow, removed 4 redundant places. [2023-11-06 23:10:51,312 INFO L231 Difference]: Finished difference. Result has 91 places, 72 transitions, 199 flow [2023-11-06 23:10:51,313 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=1559, PETRI_DIFFERENCE_MINUEND_FLOW=236, PETRI_DIFFERENCE_MINUEND_PLACES=88, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=82, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=79, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=199, PETRI_PLACES=91, PETRI_TRANSITIONS=72} [2023-11-06 23:10:51,313 INFO L281 CegarLoopForPetriNet]: 150 programPoint places, -59 predicate places. [2023-11-06 23:10:51,313 INFO L495 AbstractCegarLoop]: Abstraction has has 91 places, 72 transitions, 199 flow [2023-11-06 23:10:51,314 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 681.3333333333334) internal successors, (2044), 3 states have internal predecessors, (2044), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 23:10:51,315 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-06 23:10:51,315 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] [2023-11-06 23:10:51,315 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2023-11-06 23:10:51,315 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting thread1Err19ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err21ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err22ASSERT_VIOLATIONDATA_RACE (and 121 more)] === [2023-11-06 23:10:51,315 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 23:10:51,316 INFO L85 PathProgramCache]: Analyzing trace with hash 1580167678, now seen corresponding path program 1 times [2023-11-06 23:10:51,316 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 23:10:51,316 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [302958357] [2023-11-06 23:10:51,316 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 23:10:51,316 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 23:10:51,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:10:51,366 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-06 23:10:51,366 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 23:10:51,366 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [302958357] [2023-11-06 23:10:51,366 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [302958357] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 23:10:51,367 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 23:10:51,367 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-06 23:10:51,367 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1606459863] [2023-11-06 23:10:51,367 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 23:10:51,368 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-06 23:10:51,368 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 23:10:51,368 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-06 23:10:51,368 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-06 23:10:51,396 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 676 out of 1559 [2023-11-06 23:10:51,398 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 91 places, 72 transitions, 199 flow. Second operand has 3 states, 3 states have (on average 680.6666666666666) internal successors, (2042), 3 states have internal predecessors, (2042), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 23:10:51,398 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-06 23:10:51,399 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 676 of 1559 [2023-11-06 23:10:51,399 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-06 23:10:52,083 INFO L124 PetriNetUnfolderBase]: 2280/4747 cut-off events. [2023-11-06 23:10:52,083 INFO L125 PetriNetUnfolderBase]: For 649/649 co-relation queries the response was YES. [2023-11-06 23:10:52,096 INFO L83 FinitePrefix]: Finished finitePrefix Result has 9501 conditions, 4747 events. 2280/4747 cut-off events. For 649/649 co-relation queries the response was YES. Maximal size of possible extension queue 111. Compared 30382 event pairs, 1695 based on Foata normal form. 0/4693 useless extension candidates. Maximal degree in co-relation 9491. Up to 3346 conditions per place. [2023-11-06 23:10:52,099 INFO L140 encePairwiseOnDemand]: 1555/1559 looper letters, 0 selfloop transitions, 0 changer transitions 95/95 dead transitions. [2023-11-06 23:10:52,099 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 82 places, 95 transitions, 402 flow [2023-11-06 23:10:52,100 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-06 23:10:52,100 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-06 23:10:52,106 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 2087 transitions. [2023-11-06 23:10:52,108 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4462262133846483 [2023-11-06 23:10:52,109 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 2087 transitions. [2023-11-06 23:10:52,109 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 2087 transitions. [2023-11-06 23:10:52,115 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-06 23:10:52,115 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 2087 transitions. [2023-11-06 23:10:52,121 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 695.6666666666666) internal successors, (2087), 3 states have internal predecessors, (2087), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 23:10:52,133 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 1559.0) internal successors, (6236), 4 states have internal predecessors, (6236), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 23:10:52,135 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 1559.0) internal successors, (6236), 4 states have internal predecessors, (6236), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 23:10:52,136 INFO L175 Difference]: Start difference. First operand has 91 places, 72 transitions, 199 flow. Second operand 3 states and 2087 transitions. [2023-11-06 23:10:52,136 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 82 places, 95 transitions, 402 flow [2023-11-06 23:10:52,141 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 78 places, 95 transitions, 391 flow, removed 1 selfloop flow, removed 4 redundant places. [2023-11-06 23:10:52,143 INFO L231 Difference]: Finished difference. Result has 78 places, 0 transitions, 0 flow [2023-11-06 23:10:52,143 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=1559, PETRI_DIFFERENCE_MINUEND_FLOW=188, PETRI_DIFFERENCE_MINUEND_PLACES=76, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=71, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=71, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=0, PETRI_PLACES=78, PETRI_TRANSITIONS=0} [2023-11-06 23:10:52,144 INFO L281 CegarLoopForPetriNet]: 150 programPoint places, -72 predicate places. [2023-11-06 23:10:52,144 INFO L495 AbstractCegarLoop]: Abstraction has has 78 places, 0 transitions, 0 flow [2023-11-06 23:10:52,145 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 680.6666666666666) internal successors, (2042), 3 states have internal predecessors, (2042), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 23:10:52,148 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (124 of 125 remaining) [2023-11-06 23:10:52,148 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err21ASSERT_VIOLATIONDATA_RACE (123 of 125 remaining) [2023-11-06 23:10:52,149 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE (122 of 125 remaining) [2023-11-06 23:10:52,149 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err22ASSERT_VIOLATIONDATA_RACE (121 of 125 remaining) [2023-11-06 23:10:52,149 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err2ASSERT_VIOLATIONDATA_RACE (120 of 125 remaining) [2023-11-06 23:10:52,150 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err3ASSERT_VIOLATIONDATA_RACE (119 of 125 remaining) [2023-11-06 23:10:52,150 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err4ASSERT_VIOLATIONDATA_RACE (118 of 125 remaining) [2023-11-06 23:10:52,150 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err5ASSERT_VIOLATIONDATA_RACE (117 of 125 remaining) [2023-11-06 23:10:52,150 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err23ASSERT_VIOLATIONDATA_RACE (116 of 125 remaining) [2023-11-06 23:10:52,151 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err6ASSERT_VIOLATIONDATA_RACE (115 of 125 remaining) [2023-11-06 23:10:52,151 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err7ASSERT_VIOLATIONDATA_RACE (114 of 125 remaining) [2023-11-06 23:10:52,151 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err12ASSERT_VIOLATIONDATA_RACE (113 of 125 remaining) [2023-11-06 23:10:52,151 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err8ASSERT_VIOLATIONDATA_RACE (112 of 125 remaining) [2023-11-06 23:10:52,151 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err13ASSERT_VIOLATIONDATA_RACE (111 of 125 remaining) [2023-11-06 23:10:52,152 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err9ASSERT_VIOLATIONDATA_RACE (110 of 125 remaining) [2023-11-06 23:10:52,152 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err10ASSERT_VIOLATIONDATA_RACE (109 of 125 remaining) [2023-11-06 23:10:52,152 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err14ASSERT_VIOLATIONDATA_RACE (108 of 125 remaining) [2023-11-06 23:10:52,152 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err15ASSERT_VIOLATIONDATA_RACE (107 of 125 remaining) [2023-11-06 23:10:52,153 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err16ASSERT_VIOLATIONDATA_RACE (106 of 125 remaining) [2023-11-06 23:10:52,153 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err11ASSERT_VIOLATIONDATA_RACE (105 of 125 remaining) [2023-11-06 23:10:52,153 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err17ASSERT_VIOLATIONDATA_RACE (104 of 125 remaining) [2023-11-06 23:10:52,153 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err19ASSERT_VIOLATIONDATA_RACE (103 of 125 remaining) [2023-11-06 23:10:52,154 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err18ASSERT_VIOLATIONDATA_RACE (102 of 125 remaining) [2023-11-06 23:10:52,154 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err20ASSERT_VIOLATIONDATA_RACE (101 of 125 remaining) [2023-11-06 23:10:52,154 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (100 of 125 remaining) [2023-11-06 23:10:52,154 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err21ASSERT_VIOLATIONDATA_RACE (99 of 125 remaining) [2023-11-06 23:10:52,155 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (98 of 125 remaining) [2023-11-06 23:10:52,155 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err22ASSERT_VIOLATIONDATA_RACE (97 of 125 remaining) [2023-11-06 23:10:52,155 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err2ASSERT_VIOLATIONDATA_RACE (96 of 125 remaining) [2023-11-06 23:10:52,155 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err3ASSERT_VIOLATIONDATA_RACE (95 of 125 remaining) [2023-11-06 23:10:52,156 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err4ASSERT_VIOLATIONDATA_RACE (94 of 125 remaining) [2023-11-06 23:10:52,156 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err5ASSERT_VIOLATIONDATA_RACE (93 of 125 remaining) [2023-11-06 23:10:52,156 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err23ASSERT_VIOLATIONDATA_RACE (92 of 125 remaining) [2023-11-06 23:10:52,156 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err6ASSERT_VIOLATIONDATA_RACE (91 of 125 remaining) [2023-11-06 23:10:52,157 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err7ASSERT_VIOLATIONDATA_RACE (90 of 125 remaining) [2023-11-06 23:10:52,157 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err12ASSERT_VIOLATIONDATA_RACE (89 of 125 remaining) [2023-11-06 23:10:52,157 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err8ASSERT_VIOLATIONDATA_RACE (88 of 125 remaining) [2023-11-06 23:10:52,157 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err13ASSERT_VIOLATIONDATA_RACE (87 of 125 remaining) [2023-11-06 23:10:52,157 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err9ASSERT_VIOLATIONDATA_RACE (86 of 125 remaining) [2023-11-06 23:10:52,158 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err10ASSERT_VIOLATIONDATA_RACE (85 of 125 remaining) [2023-11-06 23:10:52,158 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err14ASSERT_VIOLATIONDATA_RACE (84 of 125 remaining) [2023-11-06 23:10:52,158 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err15ASSERT_VIOLATIONDATA_RACE (83 of 125 remaining) [2023-11-06 23:10:52,158 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err16ASSERT_VIOLATIONDATA_RACE (82 of 125 remaining) [2023-11-06 23:10:52,159 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err11ASSERT_VIOLATIONDATA_RACE (81 of 125 remaining) [2023-11-06 23:10:52,159 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err17ASSERT_VIOLATIONDATA_RACE (80 of 125 remaining) [2023-11-06 23:10:52,159 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err19ASSERT_VIOLATIONDATA_RACE (79 of 125 remaining) [2023-11-06 23:10:52,159 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err18ASSERT_VIOLATIONDATA_RACE (78 of 125 remaining) [2023-11-06 23:10:52,160 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err20ASSERT_VIOLATIONDATA_RACE (77 of 125 remaining) [2023-11-06 23:10:52,160 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (76 of 125 remaining) [2023-11-06 23:10:52,160 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (75 of 125 remaining) [2023-11-06 23:10:52,160 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (74 of 125 remaining) [2023-11-06 23:10:52,160 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (73 of 125 remaining) [2023-11-06 23:10:52,161 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE (72 of 125 remaining) [2023-11-06 23:10:52,161 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE (71 of 125 remaining) [2023-11-06 23:10:52,161 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE (70 of 125 remaining) [2023-11-06 23:10:52,161 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE (69 of 125 remaining) [2023-11-06 23:10:52,162 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr8ASSERT_VIOLATIONDATA_RACE (68 of 125 remaining) [2023-11-06 23:10:52,162 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE (67 of 125 remaining) [2023-11-06 23:10:52,162 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE (66 of 125 remaining) [2023-11-06 23:10:52,162 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr11ASSERT_VIOLATIONDATA_RACE (65 of 125 remaining) [2023-11-06 23:10:52,162 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr12ASSERT_VIOLATIONDATA_RACE (64 of 125 remaining) [2023-11-06 23:10:52,163 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr13ASSERT_VIOLATIONDATA_RACE (63 of 125 remaining) [2023-11-06 23:10:52,163 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr14ASSERT_VIOLATIONDATA_RACE (62 of 125 remaining) [2023-11-06 23:10:52,163 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr15ASSERT_VIOLATIONDATA_RACE (61 of 125 remaining) [2023-11-06 23:10:52,163 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr16ASSERT_VIOLATIONDATA_RACE (60 of 125 remaining) [2023-11-06 23:10:52,164 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr17ASSERT_VIOLATIONDATA_RACE (59 of 125 remaining) [2023-11-06 23:10:52,164 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr18ASSERT_VIOLATIONDATA_RACE (58 of 125 remaining) [2023-11-06 23:10:52,164 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr19ASSERT_VIOLATIONDATA_RACE (57 of 125 remaining) [2023-11-06 23:10:52,164 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr20ASSERT_VIOLATIONDATA_RACE (56 of 125 remaining) [2023-11-06 23:10:52,165 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr21ASSERT_VIOLATIONDATA_RACE (55 of 125 remaining) [2023-11-06 23:10:52,165 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr22ASSERT_VIOLATIONDATA_RACE (54 of 125 remaining) [2023-11-06 23:10:52,165 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr23ASSERT_VIOLATIONDATA_RACE (53 of 125 remaining) [2023-11-06 23:10:52,165 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr24ASSERT_VIOLATIONDATA_RACE (52 of 125 remaining) [2023-11-06 23:10:52,165 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr25ASSERT_VIOLATIONDATA_RACE (51 of 125 remaining) [2023-11-06 23:10:52,166 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr26ASSERT_VIOLATIONDATA_RACE (50 of 125 remaining) [2023-11-06 23:10:52,166 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (49 of 125 remaining) [2023-11-06 23:10:52,166 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (48 of 125 remaining) [2023-11-06 23:10:52,166 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (47 of 125 remaining) [2023-11-06 23:10:52,167 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err21ASSERT_VIOLATIONDATA_RACE (46 of 125 remaining) [2023-11-06 23:10:52,167 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE (45 of 125 remaining) [2023-11-06 23:10:52,167 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err22ASSERT_VIOLATIONDATA_RACE (44 of 125 remaining) [2023-11-06 23:10:52,167 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err2ASSERT_VIOLATIONDATA_RACE (43 of 125 remaining) [2023-11-06 23:10:52,168 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err3ASSERT_VIOLATIONDATA_RACE (42 of 125 remaining) [2023-11-06 23:10:52,168 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err4ASSERT_VIOLATIONDATA_RACE (41 of 125 remaining) [2023-11-06 23:10:52,168 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err5ASSERT_VIOLATIONDATA_RACE (40 of 125 remaining) [2023-11-06 23:10:52,168 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err23ASSERT_VIOLATIONDATA_RACE (39 of 125 remaining) [2023-11-06 23:10:52,168 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err6ASSERT_VIOLATIONDATA_RACE (38 of 125 remaining) [2023-11-06 23:10:52,169 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err7ASSERT_VIOLATIONDATA_RACE (37 of 125 remaining) [2023-11-06 23:10:52,169 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err12ASSERT_VIOLATIONDATA_RACE (36 of 125 remaining) [2023-11-06 23:10:52,169 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err8ASSERT_VIOLATIONDATA_RACE (35 of 125 remaining) [2023-11-06 23:10:52,169 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err13ASSERT_VIOLATIONDATA_RACE (34 of 125 remaining) [2023-11-06 23:10:52,170 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err9ASSERT_VIOLATIONDATA_RACE (33 of 125 remaining) [2023-11-06 23:10:52,170 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err10ASSERT_VIOLATIONDATA_RACE (32 of 125 remaining) [2023-11-06 23:10:52,170 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err14ASSERT_VIOLATIONDATA_RACE (31 of 125 remaining) [2023-11-06 23:10:52,170 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err15ASSERT_VIOLATIONDATA_RACE (30 of 125 remaining) [2023-11-06 23:10:52,171 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err16ASSERT_VIOLATIONDATA_RACE (29 of 125 remaining) [2023-11-06 23:10:52,171 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err11ASSERT_VIOLATIONDATA_RACE (28 of 125 remaining) [2023-11-06 23:10:52,171 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err17ASSERT_VIOLATIONDATA_RACE (27 of 125 remaining) [2023-11-06 23:10:52,171 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err19ASSERT_VIOLATIONDATA_RACE (26 of 125 remaining) [2023-11-06 23:10:52,171 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err18ASSERT_VIOLATIONDATA_RACE (25 of 125 remaining) [2023-11-06 23:10:52,172 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err20ASSERT_VIOLATIONDATA_RACE (24 of 125 remaining) [2023-11-06 23:10:52,173 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (23 of 125 remaining) [2023-11-06 23:10:52,173 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err21ASSERT_VIOLATIONDATA_RACE (22 of 125 remaining) [2023-11-06 23:10:52,173 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (21 of 125 remaining) [2023-11-06 23:10:52,174 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err22ASSERT_VIOLATIONDATA_RACE (20 of 125 remaining) [2023-11-06 23:10:52,174 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err2ASSERT_VIOLATIONDATA_RACE (19 of 125 remaining) [2023-11-06 23:10:52,174 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err3ASSERT_VIOLATIONDATA_RACE (18 of 125 remaining) [2023-11-06 23:10:52,174 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err4ASSERT_VIOLATIONDATA_RACE (17 of 125 remaining) [2023-11-06 23:10:52,175 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err5ASSERT_VIOLATIONDATA_RACE (16 of 125 remaining) [2023-11-06 23:10:52,175 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err23ASSERT_VIOLATIONDATA_RACE (15 of 125 remaining) [2023-11-06 23:10:52,175 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err6ASSERT_VIOLATIONDATA_RACE (14 of 125 remaining) [2023-11-06 23:10:52,175 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err7ASSERT_VIOLATIONDATA_RACE (13 of 125 remaining) [2023-11-06 23:10:52,176 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err12ASSERT_VIOLATIONDATA_RACE (12 of 125 remaining) [2023-11-06 23:10:52,176 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err8ASSERT_VIOLATIONDATA_RACE (11 of 125 remaining) [2023-11-06 23:10:52,176 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err13ASSERT_VIOLATIONDATA_RACE (10 of 125 remaining) [2023-11-06 23:10:52,176 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err9ASSERT_VIOLATIONDATA_RACE (9 of 125 remaining) [2023-11-06 23:10:52,176 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err10ASSERT_VIOLATIONDATA_RACE (8 of 125 remaining) [2023-11-06 23:10:52,177 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err14ASSERT_VIOLATIONDATA_RACE (7 of 125 remaining) [2023-11-06 23:10:52,177 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err15ASSERT_VIOLATIONDATA_RACE (6 of 125 remaining) [2023-11-06 23:10:52,177 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err16ASSERT_VIOLATIONDATA_RACE (5 of 125 remaining) [2023-11-06 23:10:52,177 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err11ASSERT_VIOLATIONDATA_RACE (4 of 125 remaining) [2023-11-06 23:10:52,178 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err17ASSERT_VIOLATIONDATA_RACE (3 of 125 remaining) [2023-11-06 23:10:52,178 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err19ASSERT_VIOLATIONDATA_RACE (2 of 125 remaining) [2023-11-06 23:10:52,178 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err18ASSERT_VIOLATIONDATA_RACE (1 of 125 remaining) [2023-11-06 23:10:52,178 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err20ASSERT_VIOLATIONDATA_RACE (0 of 125 remaining) [2023-11-06 23:10:52,179 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2023-11-06 23:10:52,179 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 23:10:52,187 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2023-11-06 23:10:52,187 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-06 23:10:52,194 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 06.11 11:10:52 BasicIcfg [2023-11-06 23:10:52,194 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-06 23:10:52,195 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-06 23:10:52,195 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-06 23:10:52,195 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-06 23:10:52,195 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 11:10:14" (3/4) ... [2023-11-06 23:10:52,197 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-11-06 23:10:52,202 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread1 [2023-11-06 23:10:52,202 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread2 [2023-11-06 23:10:52,221 INFO L939 BoogieBacktranslator]: Reduced CFG by removing 19 nodes and edges [2023-11-06 23:10:52,221 INFO L939 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2023-11-06 23:10:52,222 INFO L939 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2023-11-06 23:10:52,223 INFO L939 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-11-06 23:10:52,314 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3ce65c4-8092-4822-b444-28f89928a22d/bin/uautomizer-verify-WvqO1wxjHP/witness.graphml.graphml [2023-11-06 23:10:52,314 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3ce65c4-8092-4822-b444-28f89928a22d/bin/uautomizer-verify-WvqO1wxjHP/witness.graphml.yaml [2023-11-06 23:10:52,314 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-06 23:10:52,315 INFO L158 Benchmark]: Toolchain (without parser) took 39496.78ms. Allocated memory was 142.6MB in the beginning and 1.4GB in the end (delta: 1.3GB). Free memory was 98.4MB in the beginning and 1.0GB in the end (delta: -905.8MB). Peak memory consumption was 358.0MB. Max. memory is 16.1GB. [2023-11-06 23:10:52,316 INFO L158 Benchmark]: CDTParser took 0.30ms. Allocated memory is still 102.8MB. Free memory is still 53.3MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-06 23:10:52,316 INFO L158 Benchmark]: CACSL2BoogieTranslator took 396.62ms. Allocated memory is still 142.6MB. Free memory was 98.4MB in the beginning and 85.0MB in the end (delta: 13.4MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-11-06 23:10:52,316 INFO L158 Benchmark]: Boogie Procedure Inliner took 85.39ms. Allocated memory is still 142.6MB. Free memory was 85.0MB in the beginning and 80.9MB in the end (delta: 4.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-06 23:10:52,317 INFO L158 Benchmark]: Boogie Preprocessor took 61.92ms. Allocated memory is still 142.6MB. Free memory was 80.9MB in the beginning and 77.7MB in the end (delta: 3.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-06 23:10:52,317 INFO L158 Benchmark]: RCFGBuilder took 1230.95ms. Allocated memory is still 142.6MB. Free memory was 77.4MB in the beginning and 80.4MB in the end (delta: -3.0MB). Peak memory consumption was 20.0MB. Max. memory is 16.1GB. [2023-11-06 23:10:52,318 INFO L158 Benchmark]: TraceAbstraction took 37593.94ms. Allocated memory was 142.6MB in the beginning and 1.4GB in the end (delta: 1.3GB). Free memory was 79.7MB in the beginning and 1.0GB in the end (delta: -929.6MB). Peak memory consumption was 493.3MB. Max. memory is 16.1GB. [2023-11-06 23:10:52,318 INFO L158 Benchmark]: Witness Printer took 120.07ms. Allocated memory is still 1.4GB. Free memory was 1.0GB in the beginning and 1.0GB in the end (delta: 5.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-06 23:10:52,320 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.30ms. Allocated memory is still 102.8MB. Free memory is still 53.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 396.62ms. Allocated memory is still 142.6MB. Free memory was 98.4MB in the beginning and 85.0MB in the end (delta: 13.4MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 85.39ms. Allocated memory is still 142.6MB. Free memory was 85.0MB in the beginning and 80.9MB in the end (delta: 4.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 61.92ms. Allocated memory is still 142.6MB. Free memory was 80.9MB in the beginning and 77.7MB in the end (delta: 3.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 1230.95ms. Allocated memory is still 142.6MB. Free memory was 77.4MB in the beginning and 80.4MB in the end (delta: -3.0MB). Peak memory consumption was 20.0MB. Max. memory is 16.1GB. * TraceAbstraction took 37593.94ms. Allocated memory was 142.6MB in the beginning and 1.4GB in the end (delta: 1.3GB). Free memory was 79.7MB in the beginning and 1.0GB in the end (delta: -929.6MB). Peak memory consumption was 493.3MB. Max. memory is 16.1GB. * Witness Printer took 120.07ms. Allocated memory is still 1.4GB. Free memory was 1.0GB in the beginning and 1.0GB in the end (delta: 5.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 20.5s, 676 PlacesBefore, 150 PlacesAfterwards, 701 TransitionsBefore, 152 TransitionsAfterwards, 112268 CoEnabledTransitionPairs, 10 FixpointIterations, 280 TrivialSequentialCompositions, 434 ConcurrentSequentialCompositions, 26 TrivialYvCompositions, 72 ConcurrentYvCompositions, 23 ChoiceCompositions, 835 TotalNumberOfCompositions, 248702 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 103424, independent: 101822, independent conditional: 0, independent unconditional: 101822, dependent: 1602, dependent conditional: 0, dependent unconditional: 1602, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 62871, independent: 62674, independent conditional: 0, independent unconditional: 62674, dependent: 197, dependent conditional: 0, dependent unconditional: 197, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 103424, independent: 39148, independent conditional: 0, independent unconditional: 39148, dependent: 1405, dependent conditional: 0, dependent unconditional: 1405, unknown: 62871, unknown conditional: 0, unknown unconditional: 62871] , Statistics on independence cache: Total cache size (in pairs): 1310, Positive cache size: 1211, Positive conditional cache size: 0, Positive unconditional cache size: 1211, Negative cache size: 99, Negative conditional cache size: 0, Negative unconditional cache size: 99, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0 - PositiveResult [Line: 46]: 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: 46]: 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: 47]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 47]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 47]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 47]: 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: 47]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 48]: 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: 48]: 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: 48]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 48]: 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: 48]: 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: 56]: 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: 56]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 63]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 75]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 63]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 75]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 64]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 64]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 64]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 64]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 75]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 64]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 65]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 69]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 65]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 69]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 65]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 65]: 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: 65]: 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: 73]: 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: 73]: 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: 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: 87]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 88]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 89]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 90]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 91]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 92]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 114]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 92]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 95]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 95]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 95]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 95]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 95]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 95]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 95]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 95]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 95]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 95]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 95]: 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: 102]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 102]: there are no data races For all program executions holds that there are no data races at this location - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 5 procedures, 1116 locations, 125 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: 37.3s, OverallIterations: 12, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 13.7s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 21.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 1733 SdHoareTripleChecker+Valid, 4.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 1057 mSDsluCounter, 103 SdHoareTripleChecker+Invalid, 3.4s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 1 mSDsCounter, 646 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 3186 IncrementalHoareTripleChecker+Invalid, 3832 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 646 mSolverCounterUnsat, 102 mSDtfsCounter, 3186 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 37 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=316occurred in iteration=0, InterpolantAutomatonStates: 48, 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: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 2.0s InterpolantComputationTime, 142 NumberOfCodeBlocks, 142 NumberOfCodeBlocksAsserted, 12 NumberOfCheckSat, 130 ConstructedInterpolants, 0 QuantifiedInterpolants, 546 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 12 InterpolantComputations, 12 PerfectInterpolantSequences, 2/2 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 75 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2023-11-06 23:10:52,351 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3ce65c4-8092-4822-b444-28f89928a22d/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (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