./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-data-race.prp --file ../../sv-benchmarks/c/weaver/chl-match-trans.wvr.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version d790fecc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5c40780-f250-437f-a0a6-59351fc98ee6/bin/uautomizer-verify-aQ6SnzHsRB/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5c40780-f250-437f-a0a6-59351fc98ee6/bin/uautomizer-verify-aQ6SnzHsRB/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5c40780-f250-437f-a0a6-59351fc98ee6/bin/uautomizer-verify-aQ6SnzHsRB/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5c40780-f250-437f-a0a6-59351fc98ee6/bin/uautomizer-verify-aQ6SnzHsRB/config/AutomizerReach.xml -i ../../sv-benchmarks/c/weaver/chl-match-trans.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5c40780-f250-437f-a0a6-59351fc98ee6/bin/uautomizer-verify-aQ6SnzHsRB/config/svcomp-DataRace-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5c40780-f250-437f-a0a6-59351fc98ee6/bin/uautomizer-verify-aQ6SnzHsRB --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! data-race) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 58a3707e98508adde0e15b9d8e43fa1e77573e5478a67cbc9ef6d2cbcb9307e7 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-27 20:34:29,226 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-27 20:34:29,341 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5c40780-f250-437f-a0a6-59351fc98ee6/bin/uautomizer-verify-aQ6SnzHsRB/config/svcomp-DataRace-32bit-Automizer_Default.epf [2024-11-27 20:34:29,347 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-27 20:34:29,350 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-27 20:34:29,389 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-27 20:34:29,390 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-27 20:34:29,390 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-27 20:34:29,390 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-27 20:34:29,390 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-27 20:34:29,391 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-27 20:34:29,391 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-27 20:34:29,391 INFO L153 SettingsManager]: * Use SBE=true [2024-11-27 20:34:29,392 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-27 20:34:29,393 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-27 20:34:29,393 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-27 20:34:29,394 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-27 20:34:29,394 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-27 20:34:29,394 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-27 20:34:29,394 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-27 20:34:29,395 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-27 20:34:29,395 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-27 20:34:29,395 INFO L153 SettingsManager]: * Check absence of data races in concurrent programs=true [2024-11-27 20:34:29,395 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-27 20:34:29,395 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-27 20:34:29,396 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-27 20:34:29,396 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-27 20:34:29,396 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-27 20:34:29,396 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-27 20:34:29,396 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-27 20:34:29,396 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-27 20:34:29,396 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-27 20:34:29,397 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-27 20:34:29,398 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-27 20:34:29,398 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-27 20:34:29,398 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-27 20:34:29,398 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-27 20:34:29,398 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-27 20:34:29,398 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-11-27 20:34:29,399 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-27 20:34:29,399 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-27 20:34:29,399 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-27 20:34:29,399 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-27 20:34:29,399 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-27 20:34:29,399 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-27 20:34:29,399 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-27 20:34:29,399 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5c40780-f250-437f-a0a6-59351fc98ee6/bin/uautomizer-verify-aQ6SnzHsRB Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 58a3707e98508adde0e15b9d8e43fa1e77573e5478a67cbc9ef6d2cbcb9307e7 [2024-11-27 20:34:29,767 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-27 20:34:29,779 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-27 20:34:29,783 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-27 20:34:29,784 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-27 20:34:29,785 INFO L274 PluginConnector]: CDTParser initialized [2024-11-27 20:34:29,786 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5c40780-f250-437f-a0a6-59351fc98ee6/bin/uautomizer-verify-aQ6SnzHsRB/../../sv-benchmarks/c/weaver/chl-match-trans.wvr.c [2024-11-27 20:34:32,761 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5c40780-f250-437f-a0a6-59351fc98ee6/bin/uautomizer-verify-aQ6SnzHsRB/data/9fc05b793/7835a935fee74a05ad3fcd2f5425c834/FLAGdbdcd57ff [2024-11-27 20:34:33,052 INFO L384 CDTParser]: Found 1 translation units. [2024-11-27 20:34:33,058 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5c40780-f250-437f-a0a6-59351fc98ee6/sv-benchmarks/c/weaver/chl-match-trans.wvr.c [2024-11-27 20:34:33,086 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5c40780-f250-437f-a0a6-59351fc98ee6/bin/uautomizer-verify-aQ6SnzHsRB/data/9fc05b793/7835a935fee74a05ad3fcd2f5425c834/FLAGdbdcd57ff [2024-11-27 20:34:33,331 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5c40780-f250-437f-a0a6-59351fc98ee6/bin/uautomizer-verify-aQ6SnzHsRB/data/9fc05b793/7835a935fee74a05ad3fcd2f5425c834 [2024-11-27 20:34:33,333 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-27 20:34:33,335 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-27 20:34:33,336 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-27 20:34:33,336 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-27 20:34:33,341 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-27 20:34:33,342 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 08:34:33" (1/1) ... [2024-11-27 20:34:33,343 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7bb061db and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:34:33, skipping insertion in model container [2024-11-27 20:34:33,343 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 08:34:33" (1/1) ... [2024-11-27 20:34:33,361 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-27 20:34:33,569 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-27 20:34:33,580 INFO L200 MainTranslator]: Completed pre-run [2024-11-27 20:34:33,610 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-27 20:34:33,627 INFO L204 MainTranslator]: Completed translation [2024-11-27 20:34:33,628 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:34:33 WrapperNode [2024-11-27 20:34:33,628 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-27 20:34:33,629 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-27 20:34:33,630 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-27 20:34:33,630 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-27 20:34:33,637 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:34:33" (1/1) ... [2024-11-27 20:34:33,645 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:34:33" (1/1) ... [2024-11-27 20:34:33,675 INFO L138 Inliner]: procedures = 22, calls = 19, calls flagged for inlining = 12, calls inlined = 22, statements flattened = 319 [2024-11-27 20:34:33,675 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-27 20:34:33,676 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-27 20:34:33,676 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-27 20:34:33,676 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-27 20:34:33,684 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:34:33" (1/1) ... [2024-11-27 20:34:33,684 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:34:33" (1/1) ... [2024-11-27 20:34:33,687 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:34:33" (1/1) ... [2024-11-27 20:34:33,688 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:34:33" (1/1) ... [2024-11-27 20:34:33,695 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:34:33" (1/1) ... [2024-11-27 20:34:33,697 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:34:33" (1/1) ... [2024-11-27 20:34:33,703 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:34:33" (1/1) ... [2024-11-27 20:34:33,708 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:34:33" (1/1) ... [2024-11-27 20:34:33,710 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:34:33" (1/1) ... [2024-11-27 20:34:33,713 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-27 20:34:33,714 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-27 20:34:33,714 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-27 20:34:33,714 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-27 20:34:33,715 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:34:33" (1/1) ... [2024-11-27 20:34:33,721 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-27 20:34:33,736 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5c40780-f250-437f-a0a6-59351fc98ee6/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 20:34:33,751 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5c40780-f250-437f-a0a6-59351fc98ee6/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-27 20:34:33,755 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5c40780-f250-437f-a0a6-59351fc98ee6/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-27 20:34:33,787 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-27 20:34:33,787 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2024-11-27 20:34:33,787 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2024-11-27 20:34:33,787 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2024-11-27 20:34:33,787 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2024-11-27 20:34:33,787 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2024-11-27 20:34:33,787 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2024-11-27 20:34:33,787 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-27 20:34:33,787 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-27 20:34:33,787 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-27 20:34:33,790 WARN L203 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-11-27 20:34:33,929 INFO L234 CfgBuilder]: Building ICFG [2024-11-27 20:34:33,932 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-27 20:34:34,617 INFO L279 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-11-27 20:34:34,617 INFO L283 CfgBuilder]: Performing block encoding [2024-11-27 20:34:34,654 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-27 20:34:34,654 INFO L312 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-27 20:34:34,654 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.11 08:34:34 BoogieIcfgContainer [2024-11-27 20:34:34,655 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-27 20:34:34,657 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-27 20:34:34,657 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-27 20:34:34,666 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-27 20:34:34,666 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 27.11 08:34:33" (1/3) ... [2024-11-27 20:34:34,667 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@53700415 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.11 08:34:34, skipping insertion in model container [2024-11-27 20:34:34,667 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:34:33" (2/3) ... [2024-11-27 20:34:34,667 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@53700415 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.11 08:34:34, skipping insertion in model container [2024-11-27 20:34:34,667 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.11 08:34:34" (3/3) ... [2024-11-27 20:34:34,670 INFO L128 eAbstractionObserver]: Analyzing ICFG chl-match-trans.wvr.c [2024-11-27 20:34:34,691 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-27 20:34:34,692 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG chl-match-trans.wvr.c that has 4 procedures, 428 locations, 1 initial locations, 0 loop locations, and 39 error locations. [2024-11-27 20:34:34,693 INFO L491 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-11-27 20:34:34,897 INFO L143 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2024-11-27 20:34:34,942 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 437 places, 445 transitions, 911 flow [2024-11-27 20:34:35,138 INFO L124 PetriNetUnfolderBase]: 18/442 cut-off events. [2024-11-27 20:34:35,141 INFO L125 PetriNetUnfolderBase]: For 3/3 co-relation queries the response was YES. [2024-11-27 20:34:35,155 INFO L83 FinitePrefix]: Finished finitePrefix Result has 455 conditions, 442 events. 18/442 cut-off events. For 3/3 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 775 event pairs, 0 based on Foata normal form. 0/385 useless extension candidates. Maximal degree in co-relation 311. Up to 2 conditions per place. [2024-11-27 20:34:35,155 INFO L82 GeneralOperation]: Start removeDead. Operand has 437 places, 445 transitions, 911 flow [2024-11-27 20:34:35,166 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 415 places, 421 transitions, 860 flow [2024-11-27 20:34:35,176 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-27 20:34:35,188 INFO L333 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@3495924, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-27 20:34:35,189 INFO L334 AbstractCegarLoop]: Starting to check reachability of 69 error locations. [2024-11-27 20:34:35,204 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-11-27 20:34:35,205 INFO L124 PetriNetUnfolderBase]: 0/28 cut-off events. [2024-11-27 20:34:35,205 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-27 20:34:35,205 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-27 20:34:35,206 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 20:34:35,206 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 65 more)] === [2024-11-27 20:34:35,215 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 20:34:35,215 INFO L85 PathProgramCache]: Analyzing trace with hash 390371777, now seen corresponding path program 1 times [2024-11-27 20:34:35,223 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 20:34:35,226 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1135167622] [2024-11-27 20:34:35,226 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 20:34:35,227 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 20:34:35,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 20:34:35,480 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-27 20:34:35,481 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 20:34:35,481 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1135167622] [2024-11-27 20:34:35,486 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1135167622] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 20:34:35,486 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 20:34:35,486 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-27 20:34:35,488 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1438085334] [2024-11-27 20:34:35,489 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 20:34:35,499 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-27 20:34:35,505 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 20:34:35,539 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-27 20:34:35,539 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-27 20:34:35,623 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 414 out of 445 [2024-11-27 20:34:35,636 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 415 places, 421 transitions, 860 flow. Second operand has 3 states, 3 states have (on average 415.3333333333333) internal successors, (1246), 3 states have internal predecessors, (1246), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-27 20:34:35,636 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-27 20:34:35,637 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 414 of 445 [2024-11-27 20:34:35,642 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-27 20:34:36,038 INFO L124 PetriNetUnfolderBase]: 20/802 cut-off events. [2024-11-27 20:34:36,038 INFO L125 PetriNetUnfolderBase]: For 22/26 co-relation queries the response was YES. [2024-11-27 20:34:36,052 INFO L83 FinitePrefix]: Finished finitePrefix Result has 867 conditions, 802 events. 20/802 cut-off events. For 22/26 co-relation queries the response was YES. Maximal size of possible extension queue 13. Compared 2858 event pairs, 12 based on Foata normal form. 75/765 useless extension candidates. Maximal degree in co-relation 704. Up to 38 conditions per place. [2024-11-27 20:34:36,060 INFO L140 encePairwiseOnDemand]: 430/445 looper letters, 13 selfloop transitions, 2 changer transitions 0/408 dead transitions. [2024-11-27 20:34:36,060 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 416 places, 408 transitions, 864 flow [2024-11-27 20:34:36,062 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-27 20:34:36,065 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-27 20:34:36,084 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1270 transitions. [2024-11-27 20:34:36,093 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.951310861423221 [2024-11-27 20:34:36,095 INFO L175 Difference]: Start difference. First operand has 415 places, 421 transitions, 860 flow. Second operand 3 states and 1270 transitions. [2024-11-27 20:34:36,096 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 416 places, 408 transitions, 864 flow [2024-11-27 20:34:36,108 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 410 places, 408 transitions, 852 flow, removed 0 selfloop flow, removed 6 redundant places. [2024-11-27 20:34:36,126 INFO L231 Difference]: Finished difference. Result has 410 places, 408 transitions, 826 flow [2024-11-27 20:34:36,129 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=445, PETRI_DIFFERENCE_MINUEND_FLOW=822, PETRI_DIFFERENCE_MINUEND_PLACES=408, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=408, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=406, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=826, PETRI_PLACES=410, PETRI_TRANSITIONS=408} [2024-11-27 20:34:36,134 INFO L279 CegarLoopForPetriNet]: 415 programPoint places, -5 predicate places. [2024-11-27 20:34:36,134 INFO L471 AbstractCegarLoop]: Abstraction has has 410 places, 408 transitions, 826 flow [2024-11-27 20:34:36,138 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 415.3333333333333) internal successors, (1246), 3 states have internal predecessors, (1246), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-27 20:34:36,138 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-27 20:34:36,138 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 20:34:36,138 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-27 20:34:36,139 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 65 more)] === [2024-11-27 20:34:36,139 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 20:34:36,139 INFO L85 PathProgramCache]: Analyzing trace with hash -547964183, now seen corresponding path program 1 times [2024-11-27 20:34:36,140 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 20:34:36,140 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [397562218] [2024-11-27 20:34:36,141 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 20:34:36,142 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 20:34:36,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 20:34:36,255 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-27 20:34:36,255 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 20:34:36,255 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [397562218] [2024-11-27 20:34:36,255 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [397562218] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 20:34:36,255 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 20:34:36,255 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-27 20:34:36,256 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1415731281] [2024-11-27 20:34:36,256 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 20:34:36,258 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-27 20:34:36,258 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 20:34:36,259 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-27 20:34:36,259 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-27 20:34:36,291 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 416 out of 445 [2024-11-27 20:34:36,294 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 410 places, 408 transitions, 826 flow. Second operand has 3 states, 3 states have (on average 417.3333333333333) internal successors, (1252), 3 states have internal predecessors, (1252), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-27 20:34:36,294 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-27 20:34:36,294 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 416 of 445 [2024-11-27 20:34:36,294 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-27 20:34:36,557 INFO L124 PetriNetUnfolderBase]: 12/681 cut-off events. [2024-11-27 20:34:36,558 INFO L125 PetriNetUnfolderBase]: For 2/2 co-relation queries the response was YES. [2024-11-27 20:34:36,564 INFO L83 FinitePrefix]: Finished finitePrefix Result has 714 conditions, 681 events. 12/681 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 12. Compared 2562 event pairs, 5 based on Foata normal form. 0/585 useless extension candidates. Maximal degree in co-relation 677. Up to 22 conditions per place. [2024-11-27 20:34:36,569 INFO L140 encePairwiseOnDemand]: 442/445 looper letters, 11 selfloop transitions, 2 changer transitions 0/407 dead transitions. [2024-11-27 20:34:36,569 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 411 places, 407 transitions, 850 flow [2024-11-27 20:34:36,570 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-27 20:34:36,570 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-27 20:34:36,573 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1262 transitions. [2024-11-27 20:34:36,577 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9453183520599251 [2024-11-27 20:34:36,577 INFO L175 Difference]: Start difference. First operand has 410 places, 408 transitions, 826 flow. Second operand 3 states and 1262 transitions. [2024-11-27 20:34:36,577 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 411 places, 407 transitions, 850 flow [2024-11-27 20:34:36,583 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 409 places, 407 transitions, 846 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-27 20:34:36,591 INFO L231 Difference]: Finished difference. Result has 409 places, 407 transitions, 824 flow [2024-11-27 20:34:36,591 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=445, PETRI_DIFFERENCE_MINUEND_FLOW=820, PETRI_DIFFERENCE_MINUEND_PLACES=407, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=407, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=405, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=824, PETRI_PLACES=409, PETRI_TRANSITIONS=407} [2024-11-27 20:34:36,593 INFO L279 CegarLoopForPetriNet]: 415 programPoint places, -6 predicate places. [2024-11-27 20:34:36,593 INFO L471 AbstractCegarLoop]: Abstraction has has 409 places, 407 transitions, 824 flow [2024-11-27 20:34:36,594 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 417.3333333333333) internal successors, (1252), 3 states have internal predecessors, (1252), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-27 20:34:36,594 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-27 20:34:36,594 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 20:34:36,595 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-27 20:34:36,595 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 65 more)] === [2024-11-27 20:34:36,595 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 20:34:36,596 INFO L85 PathProgramCache]: Analyzing trace with hash 1519254541, now seen corresponding path program 1 times [2024-11-27 20:34:36,596 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 20:34:36,596 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [929023416] [2024-11-27 20:34:36,596 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 20:34:36,597 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 20:34:36,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 20:34:36,679 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-27 20:34:36,683 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 20:34:36,683 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [929023416] [2024-11-27 20:34:36,684 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [929023416] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 20:34:36,684 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 20:34:36,684 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-27 20:34:36,684 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2076112110] [2024-11-27 20:34:36,684 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 20:34:36,684 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-27 20:34:36,685 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 20:34:36,685 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-27 20:34:36,685 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-27 20:34:36,726 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 416 out of 445 [2024-11-27 20:34:36,728 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 409 places, 407 transitions, 824 flow. Second operand has 3 states, 3 states have (on average 417.3333333333333) internal successors, (1252), 3 states have internal predecessors, (1252), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-27 20:34:36,729 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-27 20:34:36,729 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 416 of 445 [2024-11-27 20:34:36,729 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-27 20:34:37,004 INFO L124 PetriNetUnfolderBase]: 12/671 cut-off events. [2024-11-27 20:34:37,004 INFO L125 PetriNetUnfolderBase]: For 2/2 co-relation queries the response was YES. [2024-11-27 20:34:37,013 INFO L83 FinitePrefix]: Finished finitePrefix Result has 704 conditions, 671 events. 12/671 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 11. Compared 2500 event pairs, 5 based on Foata normal form. 0/579 useless extension candidates. Maximal degree in co-relation 659. Up to 22 conditions per place. [2024-11-27 20:34:37,019 INFO L140 encePairwiseOnDemand]: 442/445 looper letters, 11 selfloop transitions, 2 changer transitions 0/406 dead transitions. [2024-11-27 20:34:37,019 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 410 places, 406 transitions, 848 flow [2024-11-27 20:34:37,019 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-27 20:34:37,019 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-27 20:34:37,024 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1262 transitions. [2024-11-27 20:34:37,027 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9453183520599251 [2024-11-27 20:34:37,028 INFO L175 Difference]: Start difference. First operand has 409 places, 407 transitions, 824 flow. Second operand 3 states and 1262 transitions. [2024-11-27 20:34:37,028 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 410 places, 406 transitions, 848 flow [2024-11-27 20:34:37,031 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 408 places, 406 transitions, 844 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-27 20:34:37,039 INFO L231 Difference]: Finished difference. Result has 408 places, 406 transitions, 822 flow [2024-11-27 20:34:37,039 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=445, PETRI_DIFFERENCE_MINUEND_FLOW=818, PETRI_DIFFERENCE_MINUEND_PLACES=406, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=406, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=404, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=822, PETRI_PLACES=408, PETRI_TRANSITIONS=406} [2024-11-27 20:34:37,041 INFO L279 CegarLoopForPetriNet]: 415 programPoint places, -7 predicate places. [2024-11-27 20:34:37,042 INFO L471 AbstractCegarLoop]: Abstraction has has 408 places, 406 transitions, 822 flow [2024-11-27 20:34:37,043 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 417.3333333333333) internal successors, (1252), 3 states have internal predecessors, (1252), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-27 20:34:37,043 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-27 20:34:37,043 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 20:34:37,044 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-27 20:34:37,044 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 65 more)] === [2024-11-27 20:34:37,045 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 20:34:37,045 INFO L85 PathProgramCache]: Analyzing trace with hash 633941745, now seen corresponding path program 1 times [2024-11-27 20:34:37,046 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 20:34:37,046 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1991025136] [2024-11-27 20:34:37,046 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 20:34:37,046 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 20:34:37,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 20:34:37,138 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-27 20:34:37,138 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 20:34:37,139 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1991025136] [2024-11-27 20:34:37,139 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1991025136] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 20:34:37,139 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 20:34:37,139 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-27 20:34:37,139 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [604375211] [2024-11-27 20:34:37,139 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 20:34:37,140 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-27 20:34:37,140 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 20:34:37,140 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-27 20:34:37,140 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-27 20:34:37,189 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 414 out of 445 [2024-11-27 20:34:37,191 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 408 places, 406 transitions, 822 flow. Second operand has 3 states, 3 states have (on average 415.3333333333333) internal successors, (1246), 3 states have internal predecessors, (1246), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-27 20:34:37,191 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-27 20:34:37,191 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 414 of 445 [2024-11-27 20:34:37,192 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-27 20:34:37,617 INFO L124 PetriNetUnfolderBase]: 34/1363 cut-off events. [2024-11-27 20:34:37,617 INFO L125 PetriNetUnfolderBase]: For 4/6 co-relation queries the response was YES. [2024-11-27 20:34:37,628 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1432 conditions, 1363 events. 34/1363 cut-off events. For 4/6 co-relation queries the response was YES. Maximal size of possible extension queue 21. Compared 6095 event pairs, 20 based on Foata normal form. 0/1167 useless extension candidates. Maximal degree in co-relation 1379. Up to 50 conditions per place. [2024-11-27 20:34:37,636 INFO L140 encePairwiseOnDemand]: 442/445 looper letters, 13 selfloop transitions, 2 changer transitions 0/405 dead transitions. [2024-11-27 20:34:37,636 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 409 places, 405 transitions, 850 flow [2024-11-27 20:34:37,637 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-27 20:34:37,638 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-27 20:34:37,640 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1258 transitions. [2024-11-27 20:34:37,641 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9423220973782771 [2024-11-27 20:34:37,641 INFO L175 Difference]: Start difference. First operand has 408 places, 406 transitions, 822 flow. Second operand 3 states and 1258 transitions. [2024-11-27 20:34:37,642 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 409 places, 405 transitions, 850 flow [2024-11-27 20:34:37,644 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 407 places, 405 transitions, 846 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-27 20:34:37,649 INFO L231 Difference]: Finished difference. Result has 407 places, 405 transitions, 820 flow [2024-11-27 20:34:37,650 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=445, PETRI_DIFFERENCE_MINUEND_FLOW=816, PETRI_DIFFERENCE_MINUEND_PLACES=405, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=405, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=403, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=820, PETRI_PLACES=407, PETRI_TRANSITIONS=405} [2024-11-27 20:34:37,652 INFO L279 CegarLoopForPetriNet]: 415 programPoint places, -8 predicate places. [2024-11-27 20:34:37,652 INFO L471 AbstractCegarLoop]: Abstraction has has 407 places, 405 transitions, 820 flow [2024-11-27 20:34:37,653 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 415.3333333333333) internal successors, (1246), 3 states have internal predecessors, (1246), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-27 20:34:37,654 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-27 20:34:37,654 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 20:34:37,654 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-27 20:34:37,655 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 65 more)] === [2024-11-27 20:34:37,655 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 20:34:37,655 INFO L85 PathProgramCache]: Analyzing trace with hash 1120803467, now seen corresponding path program 1 times [2024-11-27 20:34:37,655 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 20:34:37,655 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1819452812] [2024-11-27 20:34:37,656 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 20:34:37,656 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 20:34:37,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 20:34:37,743 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-27 20:34:37,743 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 20:34:37,743 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1819452812] [2024-11-27 20:34:37,743 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1819452812] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 20:34:37,743 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 20:34:37,743 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-27 20:34:37,743 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1892790150] [2024-11-27 20:34:37,744 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 20:34:37,744 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-27 20:34:37,744 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 20:34:37,744 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-27 20:34:37,745 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-27 20:34:37,777 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 416 out of 445 [2024-11-27 20:34:37,779 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 407 places, 405 transitions, 820 flow. Second operand has 3 states, 3 states have (on average 417.3333333333333) internal successors, (1252), 3 states have internal predecessors, (1252), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-27 20:34:37,779 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-27 20:34:37,779 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 416 of 445 [2024-11-27 20:34:37,779 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-27 20:34:37,995 INFO L124 PetriNetUnfolderBase]: 16/867 cut-off events. [2024-11-27 20:34:37,995 INFO L125 PetriNetUnfolderBase]: For 3/6 co-relation queries the response was YES. [2024-11-27 20:34:38,003 INFO L83 FinitePrefix]: Finished finitePrefix Result has 905 conditions, 867 events. 16/867 cut-off events. For 3/6 co-relation queries the response was YES. Maximal size of possible extension queue 14. Compared 3219 event pairs, 7 based on Foata normal form. 0/741 useless extension candidates. Maximal degree in co-relation 844. Up to 25 conditions per place. [2024-11-27 20:34:38,012 INFO L140 encePairwiseOnDemand]: 442/445 looper letters, 11 selfloop transitions, 2 changer transitions 0/404 dead transitions. [2024-11-27 20:34:38,012 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 408 places, 404 transitions, 844 flow [2024-11-27 20:34:38,014 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-27 20:34:38,015 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-27 20:34:38,017 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1262 transitions. [2024-11-27 20:34:38,018 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9453183520599251 [2024-11-27 20:34:38,018 INFO L175 Difference]: Start difference. First operand has 407 places, 405 transitions, 820 flow. Second operand 3 states and 1262 transitions. [2024-11-27 20:34:38,018 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 408 places, 404 transitions, 844 flow [2024-11-27 20:34:38,021 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 406 places, 404 transitions, 840 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-27 20:34:38,026 INFO L231 Difference]: Finished difference. Result has 406 places, 404 transitions, 818 flow [2024-11-27 20:34:38,026 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=445, PETRI_DIFFERENCE_MINUEND_FLOW=814, PETRI_DIFFERENCE_MINUEND_PLACES=404, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=404, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=402, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=818, PETRI_PLACES=406, PETRI_TRANSITIONS=404} [2024-11-27 20:34:38,027 INFO L279 CegarLoopForPetriNet]: 415 programPoint places, -9 predicate places. [2024-11-27 20:34:38,027 INFO L471 AbstractCegarLoop]: Abstraction has has 406 places, 404 transitions, 818 flow [2024-11-27 20:34:38,028 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 417.3333333333333) internal successors, (1252), 3 states have internal predecessors, (1252), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-27 20:34:38,028 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-27 20:34:38,028 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 20:34:38,029 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-27 20:34:38,029 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 65 more)] === [2024-11-27 20:34:38,029 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 20:34:38,029 INFO L85 PathProgramCache]: Analyzing trace with hash -1040645728, now seen corresponding path program 1 times [2024-11-27 20:34:38,029 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 20:34:38,030 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1422978470] [2024-11-27 20:34:38,030 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 20:34:38,030 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 20:34:38,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 20:34:38,129 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-27 20:34:38,129 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 20:34:38,129 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1422978470] [2024-11-27 20:34:38,130 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1422978470] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 20:34:38,130 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 20:34:38,130 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-27 20:34:38,130 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [285196218] [2024-11-27 20:34:38,130 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 20:34:38,130 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-27 20:34:38,131 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 20:34:38,131 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-27 20:34:38,131 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-27 20:34:38,172 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 416 out of 445 [2024-11-27 20:34:38,174 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 406 places, 404 transitions, 818 flow. Second operand has 3 states, 3 states have (on average 417.3333333333333) internal successors, (1252), 3 states have internal predecessors, (1252), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-27 20:34:38,174 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-27 20:34:38,174 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 416 of 445 [2024-11-27 20:34:38,174 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-27 20:34:38,395 INFO L124 PetriNetUnfolderBase]: 16/857 cut-off events. [2024-11-27 20:34:38,396 INFO L125 PetriNetUnfolderBase]: For 3/6 co-relation queries the response was YES. [2024-11-27 20:34:38,404 INFO L83 FinitePrefix]: Finished finitePrefix Result has 895 conditions, 857 events. 16/857 cut-off events. For 3/6 co-relation queries the response was YES. Maximal size of possible extension queue 14. Compared 3182 event pairs, 7 based on Foata normal form. 0/735 useless extension candidates. Maximal degree in co-relation 826. Up to 25 conditions per place. [2024-11-27 20:34:38,410 INFO L140 encePairwiseOnDemand]: 442/445 looper letters, 11 selfloop transitions, 2 changer transitions 0/403 dead transitions. [2024-11-27 20:34:38,410 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 407 places, 403 transitions, 842 flow [2024-11-27 20:34:38,410 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-27 20:34:38,411 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-27 20:34:38,413 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1262 transitions. [2024-11-27 20:34:38,415 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9453183520599251 [2024-11-27 20:34:38,415 INFO L175 Difference]: Start difference. First operand has 406 places, 404 transitions, 818 flow. Second operand 3 states and 1262 transitions. [2024-11-27 20:34:38,415 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 407 places, 403 transitions, 842 flow [2024-11-27 20:34:38,419 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 405 places, 403 transitions, 838 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-27 20:34:38,424 INFO L231 Difference]: Finished difference. Result has 405 places, 403 transitions, 816 flow [2024-11-27 20:34:38,425 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=445, PETRI_DIFFERENCE_MINUEND_FLOW=812, PETRI_DIFFERENCE_MINUEND_PLACES=403, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=403, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=401, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=816, PETRI_PLACES=405, PETRI_TRANSITIONS=403} [2024-11-27 20:34:38,426 INFO L279 CegarLoopForPetriNet]: 415 programPoint places, -10 predicate places. [2024-11-27 20:34:38,426 INFO L471 AbstractCegarLoop]: Abstraction has has 405 places, 403 transitions, 816 flow [2024-11-27 20:34:38,431 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 417.3333333333333) internal successors, (1252), 3 states have internal predecessors, (1252), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-27 20:34:38,431 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-27 20:34:38,431 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 20:34:38,431 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-27 20:34:38,431 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 65 more)] === [2024-11-27 20:34:38,432 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 20:34:38,432 INFO L85 PathProgramCache]: Analyzing trace with hash 681543619, now seen corresponding path program 1 times [2024-11-27 20:34:38,432 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 20:34:38,432 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1066573680] [2024-11-27 20:34:38,432 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 20:34:38,432 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 20:34:38,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 20:34:38,528 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-27 20:34:38,529 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 20:34:38,529 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1066573680] [2024-11-27 20:34:38,529 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1066573680] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 20:34:38,530 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 20:34:38,530 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-27 20:34:38,530 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [632066461] [2024-11-27 20:34:38,530 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 20:34:38,530 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-27 20:34:38,530 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 20:34:38,531 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-27 20:34:38,531 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-27 20:34:38,573 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 414 out of 445 [2024-11-27 20:34:38,575 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 405 places, 403 transitions, 816 flow. Second operand has 3 states, 3 states have (on average 415.3333333333333) internal successors, (1246), 3 states have internal predecessors, (1246), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-27 20:34:38,575 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-27 20:34:38,575 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 414 of 445 [2024-11-27 20:34:38,575 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-27 20:34:38,731 INFO L124 PetriNetUnfolderBase]: 27/638 cut-off events. [2024-11-27 20:34:38,732 INFO L125 PetriNetUnfolderBase]: For 9/12 co-relation queries the response was YES. [2024-11-27 20:34:38,737 INFO L83 FinitePrefix]: Finished finitePrefix Result has 699 conditions, 638 events. 27/638 cut-off events. For 9/12 co-relation queries the response was YES. Maximal size of possible extension queue 14. Compared 2309 event pairs, 20 based on Foata normal form. 0/557 useless extension candidates. Maximal degree in co-relation 622. Up to 50 conditions per place. [2024-11-27 20:34:38,741 INFO L140 encePairwiseOnDemand]: 442/445 looper letters, 13 selfloop transitions, 2 changer transitions 0/402 dead transitions. [2024-11-27 20:34:38,742 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 406 places, 402 transitions, 844 flow [2024-11-27 20:34:38,742 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-27 20:34:38,742 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-27 20:34:38,744 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1258 transitions. [2024-11-27 20:34:38,745 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9423220973782771 [2024-11-27 20:34:38,745 INFO L175 Difference]: Start difference. First operand has 405 places, 403 transitions, 816 flow. Second operand 3 states and 1258 transitions. [2024-11-27 20:34:38,746 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 406 places, 402 transitions, 844 flow [2024-11-27 20:34:38,748 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 404 places, 402 transitions, 840 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-27 20:34:38,753 INFO L231 Difference]: Finished difference. Result has 404 places, 402 transitions, 814 flow [2024-11-27 20:34:38,754 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=445, PETRI_DIFFERENCE_MINUEND_FLOW=810, PETRI_DIFFERENCE_MINUEND_PLACES=402, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=402, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=400, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=814, PETRI_PLACES=404, PETRI_TRANSITIONS=402} [2024-11-27 20:34:38,756 INFO L279 CegarLoopForPetriNet]: 415 programPoint places, -11 predicate places. [2024-11-27 20:34:38,756 INFO L471 AbstractCegarLoop]: Abstraction has has 404 places, 402 transitions, 814 flow [2024-11-27 20:34:38,757 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 415.3333333333333) internal successors, (1246), 3 states have internal predecessors, (1246), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-27 20:34:38,757 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-27 20:34:38,758 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 20:34:38,758 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-27 20:34:38,758 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 65 more)] === [2024-11-27 20:34:38,760 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 20:34:38,760 INFO L85 PathProgramCache]: Analyzing trace with hash -475369336, now seen corresponding path program 1 times [2024-11-27 20:34:38,760 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 20:34:38,760 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [630405925] [2024-11-27 20:34:38,761 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 20:34:38,761 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 20:34:38,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 20:34:38,839 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-27 20:34:38,840 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 20:34:38,840 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [630405925] [2024-11-27 20:34:38,840 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [630405925] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 20:34:38,840 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 20:34:38,840 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-27 20:34:38,841 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1891731896] [2024-11-27 20:34:38,841 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 20:34:38,841 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-27 20:34:38,841 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 20:34:38,842 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-27 20:34:38,842 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-27 20:34:38,866 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 416 out of 445 [2024-11-27 20:34:38,867 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 404 places, 402 transitions, 814 flow. Second operand has 3 states, 3 states have (on average 417.3333333333333) internal successors, (1252), 3 states have internal predecessors, (1252), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-27 20:34:38,868 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-27 20:34:38,868 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 416 of 445 [2024-11-27 20:34:38,868 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-27 20:34:39,010 INFO L124 PetriNetUnfolderBase]: 15/673 cut-off events. [2024-11-27 20:34:39,010 INFO L125 PetriNetUnfolderBase]: For 6/15 co-relation queries the response was YES. [2024-11-27 20:34:39,015 INFO L83 FinitePrefix]: Finished finitePrefix Result has 708 conditions, 673 events. 15/673 cut-off events. For 6/15 co-relation queries the response was YES. Maximal size of possible extension queue 11. Compared 1777 event pairs, 7 based on Foata normal form. 0/580 useless extension candidates. Maximal degree in co-relation 623. Up to 25 conditions per place. [2024-11-27 20:34:39,019 INFO L140 encePairwiseOnDemand]: 442/445 looper letters, 11 selfloop transitions, 2 changer transitions 0/401 dead transitions. [2024-11-27 20:34:39,019 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 405 places, 401 transitions, 838 flow [2024-11-27 20:34:39,019 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-27 20:34:39,019 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-27 20:34:39,021 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1262 transitions. [2024-11-27 20:34:39,022 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9453183520599251 [2024-11-27 20:34:39,022 INFO L175 Difference]: Start difference. First operand has 404 places, 402 transitions, 814 flow. Second operand 3 states and 1262 transitions. [2024-11-27 20:34:39,022 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 405 places, 401 transitions, 838 flow [2024-11-27 20:34:39,025 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 403 places, 401 transitions, 834 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-27 20:34:39,030 INFO L231 Difference]: Finished difference. Result has 403 places, 401 transitions, 812 flow [2024-11-27 20:34:39,031 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=445, PETRI_DIFFERENCE_MINUEND_FLOW=808, PETRI_DIFFERENCE_MINUEND_PLACES=401, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=401, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=399, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=812, PETRI_PLACES=403, PETRI_TRANSITIONS=401} [2024-11-27 20:34:39,033 INFO L279 CegarLoopForPetriNet]: 415 programPoint places, -12 predicate places. [2024-11-27 20:34:39,035 INFO L471 AbstractCegarLoop]: Abstraction has has 403 places, 401 transitions, 812 flow [2024-11-27 20:34:39,036 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 417.3333333333333) internal successors, (1252), 3 states have internal predecessors, (1252), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-27 20:34:39,036 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-27 20:34:39,036 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 20:34:39,037 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-27 20:34:39,037 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 65 more)] === [2024-11-27 20:34:39,040 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 20:34:39,040 INFO L85 PathProgramCache]: Analyzing trace with hash -968794602, now seen corresponding path program 1 times [2024-11-27 20:34:39,040 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 20:34:39,041 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [706946485] [2024-11-27 20:34:39,041 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 20:34:39,041 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 20:34:39,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 20:34:39,124 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-27 20:34:39,125 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 20:34:39,125 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [706946485] [2024-11-27 20:34:39,125 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [706946485] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 20:34:39,125 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 20:34:39,125 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-27 20:34:39,125 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [533809032] [2024-11-27 20:34:39,126 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 20:34:39,126 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-27 20:34:39,127 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 20:34:39,127 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-27 20:34:39,128 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-27 20:34:39,152 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 416 out of 445 [2024-11-27 20:34:39,153 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 403 places, 401 transitions, 812 flow. Second operand has 3 states, 3 states have (on average 417.3333333333333) internal successors, (1252), 3 states have internal predecessors, (1252), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-27 20:34:39,154 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-27 20:34:39,154 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 416 of 445 [2024-11-27 20:34:39,154 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-27 20:34:39,297 INFO L124 PetriNetUnfolderBase]: 15/663 cut-off events. [2024-11-27 20:34:39,297 INFO L125 PetriNetUnfolderBase]: For 6/15 co-relation queries the response was YES. [2024-11-27 20:34:39,302 INFO L83 FinitePrefix]: Finished finitePrefix Result has 698 conditions, 663 events. 15/663 cut-off events. For 6/15 co-relation queries the response was YES. Maximal size of possible extension queue 10. Compared 1740 event pairs, 7 based on Foata normal form. 0/574 useless extension candidates. Maximal degree in co-relation 605. Up to 25 conditions per place. [2024-11-27 20:34:39,306 INFO L140 encePairwiseOnDemand]: 442/445 looper letters, 11 selfloop transitions, 2 changer transitions 0/400 dead transitions. [2024-11-27 20:34:39,307 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 404 places, 400 transitions, 836 flow [2024-11-27 20:34:39,307 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-27 20:34:39,307 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-27 20:34:39,309 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1262 transitions. [2024-11-27 20:34:39,310 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9453183520599251 [2024-11-27 20:34:39,310 INFO L175 Difference]: Start difference. First operand has 403 places, 401 transitions, 812 flow. Second operand 3 states and 1262 transitions. [2024-11-27 20:34:39,310 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 404 places, 400 transitions, 836 flow [2024-11-27 20:34:39,313 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 402 places, 400 transitions, 832 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-27 20:34:39,317 INFO L231 Difference]: Finished difference. Result has 402 places, 400 transitions, 810 flow [2024-11-27 20:34:39,318 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=445, PETRI_DIFFERENCE_MINUEND_FLOW=806, PETRI_DIFFERENCE_MINUEND_PLACES=400, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=400, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=398, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=810, PETRI_PLACES=402, PETRI_TRANSITIONS=400} [2024-11-27 20:34:39,319 INFO L279 CegarLoopForPetriNet]: 415 programPoint places, -13 predicate places. [2024-11-27 20:34:39,320 INFO L471 AbstractCegarLoop]: Abstraction has has 402 places, 400 transitions, 810 flow [2024-11-27 20:34:39,321 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 417.3333333333333) internal successors, (1252), 3 states have internal predecessors, (1252), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-27 20:34:39,321 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-27 20:34:39,322 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 20:34:39,322 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-11-27 20:34:39,322 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting thread1Err0ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 65 more)] === [2024-11-27 20:34:39,323 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 20:34:39,324 INFO L85 PathProgramCache]: Analyzing trace with hash 479133799, now seen corresponding path program 1 times [2024-11-27 20:34:39,324 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 20:34:39,324 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1211669511] [2024-11-27 20:34:39,324 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 20:34:39,324 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 20:34:39,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 20:34:39,376 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-27 20:34:39,376 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 20:34:39,376 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1211669511] [2024-11-27 20:34:39,377 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1211669511] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 20:34:39,377 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 20:34:39,377 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-27 20:34:39,377 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1849408491] [2024-11-27 20:34:39,377 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 20:34:39,378 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-27 20:34:39,379 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 20:34:39,380 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-27 20:34:39,380 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-27 20:34:39,395 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 418 out of 445 [2024-11-27 20:34:39,397 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 402 places, 400 transitions, 810 flow. Second operand has 3 states, 3 states have (on average 419.3333333333333) internal successors, (1258), 3 states have internal predecessors, (1258), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-27 20:34:39,398 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-27 20:34:39,398 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 418 of 445 [2024-11-27 20:34:39,398 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-27 20:34:39,611 INFO L124 PetriNetUnfolderBase]: 21/852 cut-off events. [2024-11-27 20:34:39,611 INFO L125 PetriNetUnfolderBase]: For 5/5 co-relation queries the response was YES. [2024-11-27 20:34:39,620 INFO L83 FinitePrefix]: Finished finitePrefix Result has 899 conditions, 852 events. 21/852 cut-off events. For 5/5 co-relation queries the response was YES. Maximal size of possible extension queue 12. Compared 3574 event pairs, 6 based on Foata normal form. 0/740 useless extension candidates. Maximal degree in co-relation 798. Up to 31 conditions per place. [2024-11-27 20:34:39,625 INFO L140 encePairwiseOnDemand]: 441/445 looper letters, 13 selfloop transitions, 2 changer transitions 0/402 dead transitions. [2024-11-27 20:34:39,625 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 402 places, 402 transitions, 846 flow [2024-11-27 20:34:39,625 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-27 20:34:39,626 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-27 20:34:39,627 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1271 transitions. [2024-11-27 20:34:39,628 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9520599250936329 [2024-11-27 20:34:39,629 INFO L175 Difference]: Start difference. First operand has 402 places, 400 transitions, 810 flow. Second operand 3 states and 1271 transitions. [2024-11-27 20:34:39,629 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 402 places, 402 transitions, 846 flow [2024-11-27 20:34:39,631 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 400 places, 402 transitions, 842 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-27 20:34:39,636 INFO L231 Difference]: Finished difference. Result has 401 places, 400 transitions, 816 flow [2024-11-27 20:34:39,637 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=445, PETRI_DIFFERENCE_MINUEND_FLOW=802, PETRI_DIFFERENCE_MINUEND_PLACES=398, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=398, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=396, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=816, PETRI_PLACES=401, PETRI_TRANSITIONS=400} [2024-11-27 20:34:39,638 INFO L279 CegarLoopForPetriNet]: 415 programPoint places, -14 predicate places. [2024-11-27 20:34:39,638 INFO L471 AbstractCegarLoop]: Abstraction has has 401 places, 400 transitions, 816 flow [2024-11-27 20:34:39,639 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 419.3333333333333) internal successors, (1258), 3 states have internal predecessors, (1258), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-27 20:34:39,639 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-27 20:34:39,639 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 20:34:39,639 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-11-27 20:34:39,640 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting thread1Err1ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 65 more)] === [2024-11-27 20:34:39,640 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 20:34:39,640 INFO L85 PathProgramCache]: Analyzing trace with hash 886112137, now seen corresponding path program 1 times [2024-11-27 20:34:39,641 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 20:34:39,641 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1032784366] [2024-11-27 20:34:39,641 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 20:34:39,641 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 20:34:39,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 20:34:39,715 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-27 20:34:39,715 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 20:34:39,715 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1032784366] [2024-11-27 20:34:39,715 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1032784366] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 20:34:39,716 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 20:34:39,716 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-27 20:34:39,716 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [133647132] [2024-11-27 20:34:39,716 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 20:34:39,717 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-27 20:34:39,718 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 20:34:39,718 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-27 20:34:39,718 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-27 20:34:39,745 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 418 out of 445 [2024-11-27 20:34:39,747 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 401 places, 400 transitions, 816 flow. Second operand has 3 states, 3 states have (on average 419.3333333333333) internal successors, (1258), 3 states have internal predecessors, (1258), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-27 20:34:39,747 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-27 20:34:39,747 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 418 of 445 [2024-11-27 20:34:39,747 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-27 20:34:39,980 INFO L124 PetriNetUnfolderBase]: 24/1006 cut-off events. [2024-11-27 20:34:39,980 INFO L125 PetriNetUnfolderBase]: For 4/4 co-relation queries the response was YES. [2024-11-27 20:34:39,991 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1059 conditions, 1006 events. 24/1006 cut-off events. For 4/4 co-relation queries the response was YES. Maximal size of possible extension queue 16. Compared 4949 event pairs, 6 based on Foata normal form. 0/877 useless extension candidates. Maximal degree in co-relation 857. Up to 33 conditions per place. [2024-11-27 20:34:39,997 INFO L140 encePairwiseOnDemand]: 441/445 looper letters, 13 selfloop transitions, 2 changer transitions 0/402 dead transitions. [2024-11-27 20:34:39,997 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 401 places, 402 transitions, 852 flow [2024-11-27 20:34:39,997 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-27 20:34:39,998 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-27 20:34:40,000 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1271 transitions. [2024-11-27 20:34:40,001 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9520599250936329 [2024-11-27 20:34:40,001 INFO L175 Difference]: Start difference. First operand has 401 places, 400 transitions, 816 flow. Second operand 3 states and 1271 transitions. [2024-11-27 20:34:40,004 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 401 places, 402 transitions, 852 flow [2024-11-27 20:34:40,006 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 401 places, 402 transitions, 852 flow, removed 0 selfloop flow, removed 0 redundant places. [2024-11-27 20:34:40,012 INFO L231 Difference]: Finished difference. Result has 402 places, 400 transitions, 826 flow [2024-11-27 20:34:40,013 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=445, PETRI_DIFFERENCE_MINUEND_FLOW=812, PETRI_DIFFERENCE_MINUEND_PLACES=399, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=398, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=396, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=826, PETRI_PLACES=402, PETRI_TRANSITIONS=400} [2024-11-27 20:34:40,013 INFO L279 CegarLoopForPetriNet]: 415 programPoint places, -13 predicate places. [2024-11-27 20:34:40,013 INFO L471 AbstractCegarLoop]: Abstraction has has 402 places, 400 transitions, 826 flow [2024-11-27 20:34:40,014 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 419.3333333333333) internal successors, (1258), 3 states have internal predecessors, (1258), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-27 20:34:40,015 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-27 20:34:40,015 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 20:34:40,015 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-11-27 20:34:40,016 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting thread2Err0ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 65 more)] === [2024-11-27 20:34:40,016 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 20:34:40,017 INFO L85 PathProgramCache]: Analyzing trace with hash 1509085817, now seen corresponding path program 1 times [2024-11-27 20:34:40,017 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 20:34:40,017 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [939678924] [2024-11-27 20:34:40,017 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 20:34:40,017 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 20:34:40,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 20:34:40,104 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-27 20:34:40,104 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 20:34:40,104 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [939678924] [2024-11-27 20:34:40,104 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [939678924] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 20:34:40,104 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 20:34:40,104 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-27 20:34:40,105 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [189056732] [2024-11-27 20:34:40,105 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 20:34:40,105 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-27 20:34:40,105 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 20:34:40,106 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-27 20:34:40,106 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-27 20:34:40,122 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 418 out of 445 [2024-11-27 20:34:40,124 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 402 places, 400 transitions, 826 flow. Second operand has 3 states, 3 states have (on average 419.6666666666667) internal successors, (1259), 3 states have internal predecessors, (1259), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-27 20:34:40,124 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-27 20:34:40,124 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 418 of 445 [2024-11-27 20:34:40,124 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-27 20:34:40,521 INFO L124 PetriNetUnfolderBase]: 44/1634 cut-off events. [2024-11-27 20:34:40,522 INFO L125 PetriNetUnfolderBase]: For 4/8 co-relation queries the response was YES. [2024-11-27 20:34:40,536 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1728 conditions, 1634 events. 44/1634 cut-off events. For 4/8 co-relation queries the response was YES. Maximal size of possible extension queue 33. Compared 10892 event pairs, 11 based on Foata normal form. 0/1413 useless extension candidates. Maximal degree in co-relation 1432. Up to 43 conditions per place. [2024-11-27 20:34:40,545 INFO L140 encePairwiseOnDemand]: 441/445 looper letters, 13 selfloop transitions, 2 changer transitions 0/402 dead transitions. [2024-11-27 20:34:40,546 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 402 places, 402 transitions, 862 flow [2024-11-27 20:34:40,546 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-27 20:34:40,546 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-27 20:34:40,549 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1271 transitions. [2024-11-27 20:34:40,550 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9520599250936329 [2024-11-27 20:34:40,550 INFO L175 Difference]: Start difference. First operand has 402 places, 400 transitions, 826 flow. Second operand 3 states and 1271 transitions. [2024-11-27 20:34:40,550 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 402 places, 402 transitions, 862 flow [2024-11-27 20:34:40,553 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 402 places, 402 transitions, 862 flow, removed 0 selfloop flow, removed 0 redundant places. [2024-11-27 20:34:40,559 INFO L231 Difference]: Finished difference. Result has 403 places, 400 transitions, 836 flow [2024-11-27 20:34:40,560 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=445, PETRI_DIFFERENCE_MINUEND_FLOW=822, PETRI_DIFFERENCE_MINUEND_PLACES=400, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=398, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=396, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=836, PETRI_PLACES=403, PETRI_TRANSITIONS=400} [2024-11-27 20:34:40,562 INFO L279 CegarLoopForPetriNet]: 415 programPoint places, -12 predicate places. [2024-11-27 20:34:40,562 INFO L471 AbstractCegarLoop]: Abstraction has has 403 places, 400 transitions, 836 flow [2024-11-27 20:34:40,563 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 419.6666666666667) internal successors, (1259), 3 states have internal predecessors, (1259), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-27 20:34:40,563 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-27 20:34:40,563 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 20:34:40,563 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-11-27 20:34:40,563 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting thread2Err1ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 65 more)] === [2024-11-27 20:34:40,564 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 20:34:40,564 INFO L85 PathProgramCache]: Analyzing trace with hash -1467440933, now seen corresponding path program 1 times [2024-11-27 20:34:40,564 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 20:34:40,564 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1093902935] [2024-11-27 20:34:40,564 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 20:34:40,565 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 20:34:40,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 20:34:40,655 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-27 20:34:40,656 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 20:34:40,656 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1093902935] [2024-11-27 20:34:40,656 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1093902935] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 20:34:40,656 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 20:34:40,656 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-27 20:34:40,656 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1625435692] [2024-11-27 20:34:40,656 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 20:34:40,657 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-27 20:34:40,657 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 20:34:40,657 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-27 20:34:40,658 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-27 20:34:40,674 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 418 out of 445 [2024-11-27 20:34:40,676 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 403 places, 400 transitions, 836 flow. Second operand has 3 states, 3 states have (on average 419.6666666666667) internal successors, (1259), 3 states have internal predecessors, (1259), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-27 20:34:40,676 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-27 20:34:40,676 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 418 of 445 [2024-11-27 20:34:40,676 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-27 20:34:40,939 INFO L124 PetriNetUnfolderBase]: 42/1269 cut-off events. [2024-11-27 20:34:40,939 INFO L125 PetriNetUnfolderBase]: For 5/7 co-relation queries the response was YES. [2024-11-27 20:34:40,952 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1363 conditions, 1269 events. 42/1269 cut-off events. For 5/7 co-relation queries the response was YES. Maximal size of possible extension queue 30. Compared 7597 event pairs, 5 based on Foata normal form. 0/1101 useless extension candidates. Maximal degree in co-relation 1159. Up to 50 conditions per place. [2024-11-27 20:34:40,959 INFO L140 encePairwiseOnDemand]: 441/445 looper letters, 13 selfloop transitions, 2 changer transitions 0/402 dead transitions. [2024-11-27 20:34:40,959 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 403 places, 402 transitions, 872 flow [2024-11-27 20:34:40,960 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-27 20:34:40,960 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-27 20:34:40,962 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1271 transitions. [2024-11-27 20:34:40,963 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9520599250936329 [2024-11-27 20:34:40,963 INFO L175 Difference]: Start difference. First operand has 403 places, 400 transitions, 836 flow. Second operand 3 states and 1271 transitions. [2024-11-27 20:34:40,963 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 403 places, 402 transitions, 872 flow [2024-11-27 20:34:40,966 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 403 places, 402 transitions, 872 flow, removed 0 selfloop flow, removed 0 redundant places. [2024-11-27 20:34:40,970 INFO L231 Difference]: Finished difference. Result has 404 places, 400 transitions, 846 flow [2024-11-27 20:34:40,971 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=445, PETRI_DIFFERENCE_MINUEND_FLOW=832, PETRI_DIFFERENCE_MINUEND_PLACES=401, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=398, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=396, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=846, PETRI_PLACES=404, PETRI_TRANSITIONS=400} [2024-11-27 20:34:40,973 INFO L279 CegarLoopForPetriNet]: 415 programPoint places, -11 predicate places. [2024-11-27 20:34:40,973 INFO L471 AbstractCegarLoop]: Abstraction has has 404 places, 400 transitions, 846 flow [2024-11-27 20:34:40,974 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 419.6666666666667) internal successors, (1259), 3 states have internal predecessors, (1259), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-27 20:34:40,974 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-27 20:34:40,974 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 20:34:40,974 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2024-11-27 20:34:40,974 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting thread2Err2ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 65 more)] === [2024-11-27 20:34:40,975 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 20:34:40,975 INFO L85 PathProgramCache]: Analyzing trace with hash 651751019, now seen corresponding path program 1 times [2024-11-27 20:34:40,975 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 20:34:40,975 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1189447959] [2024-11-27 20:34:40,975 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 20:34:40,975 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 20:34:41,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 20:34:41,061 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-27 20:34:41,061 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 20:34:41,061 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1189447959] [2024-11-27 20:34:41,061 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1189447959] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 20:34:41,061 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 20:34:41,062 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-27 20:34:41,062 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1029627933] [2024-11-27 20:34:41,062 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 20:34:41,062 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-27 20:34:41,062 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 20:34:41,063 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-27 20:34:41,063 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-27 20:34:41,075 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 418 out of 445 [2024-11-27 20:34:41,076 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 404 places, 400 transitions, 846 flow. Second operand has 3 states, 3 states have (on average 419.6666666666667) internal successors, (1259), 3 states have internal predecessors, (1259), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-27 20:34:41,076 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-27 20:34:41,076 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 418 of 445 [2024-11-27 20:34:41,077 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-27 20:34:41,403 INFO L124 PetriNetUnfolderBase]: 61/1652 cut-off events. [2024-11-27 20:34:41,403 INFO L125 PetriNetUnfolderBase]: For 19/25 co-relation queries the response was YES. [2024-11-27 20:34:41,416 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1768 conditions, 1652 events. 61/1652 cut-off events. For 19/25 co-relation queries the response was YES. Maximal size of possible extension queue 35. Compared 9967 event pairs, 18 based on Foata normal form. 0/1412 useless extension candidates. Maximal degree in co-relation 1523. Up to 70 conditions per place. [2024-11-27 20:34:41,425 INFO L140 encePairwiseOnDemand]: 441/445 looper letters, 13 selfloop transitions, 2 changer transitions 0/402 dead transitions. [2024-11-27 20:34:41,425 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 404 places, 402 transitions, 882 flow [2024-11-27 20:34:41,426 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-27 20:34:41,426 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-27 20:34:41,427 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1271 transitions. [2024-11-27 20:34:41,428 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9520599250936329 [2024-11-27 20:34:41,429 INFO L175 Difference]: Start difference. First operand has 404 places, 400 transitions, 846 flow. Second operand 3 states and 1271 transitions. [2024-11-27 20:34:41,429 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 404 places, 402 transitions, 882 flow [2024-11-27 20:34:41,431 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 404 places, 402 transitions, 882 flow, removed 0 selfloop flow, removed 0 redundant places. [2024-11-27 20:34:41,435 INFO L231 Difference]: Finished difference. Result has 405 places, 400 transitions, 856 flow [2024-11-27 20:34:41,436 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=445, PETRI_DIFFERENCE_MINUEND_FLOW=842, PETRI_DIFFERENCE_MINUEND_PLACES=402, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=398, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=396, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=856, PETRI_PLACES=405, PETRI_TRANSITIONS=400} [2024-11-27 20:34:41,437 INFO L279 CegarLoopForPetriNet]: 415 programPoint places, -10 predicate places. [2024-11-27 20:34:41,437 INFO L471 AbstractCegarLoop]: Abstraction has has 405 places, 400 transitions, 856 flow [2024-11-27 20:34:41,438 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 419.6666666666667) internal successors, (1259), 3 states have internal predecessors, (1259), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-27 20:34:41,438 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-27 20:34:41,439 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 20:34:41,439 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2024-11-27 20:34:41,439 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting thread2Err3ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 65 more)] === [2024-11-27 20:34:41,440 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 20:34:41,440 INFO L85 PathProgramCache]: Analyzing trace with hash -732459891, now seen corresponding path program 1 times [2024-11-27 20:34:41,440 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 20:34:41,440 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [792502302] [2024-11-27 20:34:41,440 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 20:34:41,440 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 20:34:41,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 20:34:41,519 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-27 20:34:41,519 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 20:34:41,519 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [792502302] [2024-11-27 20:34:41,520 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [792502302] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 20:34:41,520 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 20:34:41,520 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-27 20:34:41,520 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [788758640] [2024-11-27 20:34:41,520 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 20:34:41,520 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-27 20:34:41,520 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 20:34:41,521 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-27 20:34:41,521 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-27 20:34:41,538 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 418 out of 445 [2024-11-27 20:34:41,539 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 405 places, 400 transitions, 856 flow. Second operand has 3 states, 3 states have (on average 419.6666666666667) internal successors, (1259), 3 states have internal predecessors, (1259), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-27 20:34:41,540 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-27 20:34:41,540 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 418 of 445 [2024-11-27 20:34:41,540 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-27 20:34:41,910 INFO L124 PetriNetUnfolderBase]: 70/1820 cut-off events. [2024-11-27 20:34:41,910 INFO L125 PetriNetUnfolderBase]: For 21/27 co-relation queries the response was YES. [2024-11-27 20:34:41,927 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1961 conditions, 1820 events. 70/1820 cut-off events. For 21/27 co-relation queries the response was YES. Maximal size of possible extension queue 44. Compared 11195 event pairs, 10 based on Foata normal form. 0/1568 useless extension candidates. Maximal degree in co-relation 1718. Up to 80 conditions per place. [2024-11-27 20:34:41,936 INFO L140 encePairwiseOnDemand]: 441/445 looper letters, 13 selfloop transitions, 2 changer transitions 0/402 dead transitions. [2024-11-27 20:34:41,936 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 405 places, 402 transitions, 892 flow [2024-11-27 20:34:41,937 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-27 20:34:41,937 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-27 20:34:41,939 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1271 transitions. [2024-11-27 20:34:41,940 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9520599250936329 [2024-11-27 20:34:41,940 INFO L175 Difference]: Start difference. First operand has 405 places, 400 transitions, 856 flow. Second operand 3 states and 1271 transitions. [2024-11-27 20:34:41,940 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 405 places, 402 transitions, 892 flow [2024-11-27 20:34:41,943 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 405 places, 402 transitions, 892 flow, removed 0 selfloop flow, removed 0 redundant places. [2024-11-27 20:34:41,947 INFO L231 Difference]: Finished difference. Result has 406 places, 400 transitions, 866 flow [2024-11-27 20:34:41,948 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=445, PETRI_DIFFERENCE_MINUEND_FLOW=852, PETRI_DIFFERENCE_MINUEND_PLACES=403, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=398, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=396, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=866, PETRI_PLACES=406, PETRI_TRANSITIONS=400} [2024-11-27 20:34:41,949 INFO L279 CegarLoopForPetriNet]: 415 programPoint places, -9 predicate places. [2024-11-27 20:34:41,949 INFO L471 AbstractCegarLoop]: Abstraction has has 406 places, 400 transitions, 866 flow [2024-11-27 20:34:41,950 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 419.6666666666667) internal successors, (1259), 3 states have internal predecessors, (1259), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-27 20:34:41,950 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-27 20:34:41,950 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 20:34:41,950 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2024-11-27 20:34:41,950 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting thread1Err4ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 65 more)] === [2024-11-27 20:34:41,951 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 20:34:41,951 INFO L85 PathProgramCache]: Analyzing trace with hash 212449739, now seen corresponding path program 1 times [2024-11-27 20:34:41,951 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 20:34:41,951 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [978041056] [2024-11-27 20:34:41,952 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 20:34:41,952 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 20:34:41,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 20:34:42,039 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-27 20:34:42,039 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 20:34:42,039 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [978041056] [2024-11-27 20:34:42,039 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [978041056] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 20:34:42,039 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 20:34:42,040 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-27 20:34:42,040 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1539198018] [2024-11-27 20:34:42,040 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 20:34:42,040 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-27 20:34:42,040 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 20:34:42,040 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-27 20:34:42,041 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-27 20:34:42,081 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 412 out of 445 [2024-11-27 20:34:42,083 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 406 places, 400 transitions, 866 flow. Second operand has 3 states, 3 states have (on average 413.3333333333333) internal successors, (1240), 3 states have internal predecessors, (1240), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-27 20:34:42,083 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-27 20:34:42,083 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 412 of 445 [2024-11-27 20:34:42,083 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-27 20:34:42,502 INFO L124 PetriNetUnfolderBase]: 178/1862 cut-off events. [2024-11-27 20:34:42,502 INFO L125 PetriNetUnfolderBase]: For 26/26 co-relation queries the response was YES. [2024-11-27 20:34:42,521 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2248 conditions, 1862 events. 178/1862 cut-off events. For 26/26 co-relation queries the response was YES. Maximal size of possible extension queue 53. Compared 13026 event pairs, 84 based on Foata normal form. 0/1590 useless extension candidates. Maximal degree in co-relation 1917. Up to 293 conditions per place. [2024-11-27 20:34:42,530 INFO L140 encePairwiseOnDemand]: 439/445 looper letters, 17 selfloop transitions, 2 changer transitions 0/400 dead transitions. [2024-11-27 20:34:42,530 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 404 places, 400 transitions, 906 flow [2024-11-27 20:34:42,530 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-27 20:34:42,531 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-27 20:34:42,533 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1259 transitions. [2024-11-27 20:34:42,534 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9430711610486892 [2024-11-27 20:34:42,534 INFO L175 Difference]: Start difference. First operand has 406 places, 400 transitions, 866 flow. Second operand 3 states and 1259 transitions. [2024-11-27 20:34:42,534 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 404 places, 400 transitions, 906 flow [2024-11-27 20:34:42,537 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 404 places, 400 transitions, 906 flow, removed 0 selfloop flow, removed 0 redundant places. [2024-11-27 20:34:42,541 INFO L231 Difference]: Finished difference. Result has 405 places, 398 transitions, 872 flow [2024-11-27 20:34:42,542 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=445, PETRI_DIFFERENCE_MINUEND_FLOW=858, PETRI_DIFFERENCE_MINUEND_PLACES=402, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=396, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=394, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=872, PETRI_PLACES=405, PETRI_TRANSITIONS=398} [2024-11-27 20:34:42,543 INFO L279 CegarLoopForPetriNet]: 415 programPoint places, -10 predicate places. [2024-11-27 20:34:42,543 INFO L471 AbstractCegarLoop]: Abstraction has has 405 places, 398 transitions, 872 flow [2024-11-27 20:34:42,544 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 413.3333333333333) internal successors, (1240), 3 states have internal predecessors, (1240), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-27 20:34:42,544 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-27 20:34:42,544 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 20:34:42,544 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2024-11-27 20:34:42,544 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting thread1Err5ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 65 more)] === [2024-11-27 20:34:42,545 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 20:34:42,545 INFO L85 PathProgramCache]: Analyzing trace with hash -1994196883, now seen corresponding path program 1 times [2024-11-27 20:34:42,545 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 20:34:42,546 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [248999530] [2024-11-27 20:34:42,546 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 20:34:42,546 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 20:34:42,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 20:34:42,613 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-27 20:34:42,613 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 20:34:42,613 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [248999530] [2024-11-27 20:34:42,613 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [248999530] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 20:34:42,613 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 20:34:42,613 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-27 20:34:42,614 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1769473080] [2024-11-27 20:34:42,614 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 20:34:42,614 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-27 20:34:42,614 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 20:34:42,615 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-27 20:34:42,615 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-27 20:34:42,639 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 412 out of 445 [2024-11-27 20:34:42,641 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 405 places, 398 transitions, 872 flow. Second operand has 3 states, 3 states have (on average 413.3333333333333) internal successors, (1240), 3 states have internal predecessors, (1240), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-27 20:34:42,641 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-27 20:34:42,641 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 412 of 445 [2024-11-27 20:34:42,642 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-27 20:34:43,011 INFO L124 PetriNetUnfolderBase]: 123/1527 cut-off events. [2024-11-27 20:34:43,012 INFO L125 PetriNetUnfolderBase]: For 12/42 co-relation queries the response was YES. [2024-11-27 20:34:43,024 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1827 conditions, 1527 events. 123/1527 cut-off events. For 12/42 co-relation queries the response was YES. Maximal size of possible extension queue 44. Compared 9568 event pairs, 28 based on Foata normal form. 1/1353 useless extension candidates. Maximal degree in co-relation 1543. Up to 152 conditions per place. [2024-11-27 20:34:43,029 INFO L140 encePairwiseOnDemand]: 439/445 looper letters, 17 selfloop transitions, 2 changer transitions 0/398 dead transitions. [2024-11-27 20:34:43,029 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 403 places, 398 transitions, 912 flow [2024-11-27 20:34:43,029 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-27 20:34:43,029 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-27 20:34:43,031 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1259 transitions. [2024-11-27 20:34:43,032 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9430711610486892 [2024-11-27 20:34:43,032 INFO L175 Difference]: Start difference. First operand has 405 places, 398 transitions, 872 flow. Second operand 3 states and 1259 transitions. [2024-11-27 20:34:43,032 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 403 places, 398 transitions, 912 flow [2024-11-27 20:34:43,035 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 403 places, 398 transitions, 912 flow, removed 0 selfloop flow, removed 0 redundant places. [2024-11-27 20:34:43,039 INFO L231 Difference]: Finished difference. Result has 404 places, 396 transitions, 878 flow [2024-11-27 20:34:43,039 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=445, PETRI_DIFFERENCE_MINUEND_FLOW=864, PETRI_DIFFERENCE_MINUEND_PLACES=401, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=394, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=392, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=878, PETRI_PLACES=404, PETRI_TRANSITIONS=396} [2024-11-27 20:34:43,040 INFO L279 CegarLoopForPetriNet]: 415 programPoint places, -11 predicate places. [2024-11-27 20:34:43,040 INFO L471 AbstractCegarLoop]: Abstraction has has 404 places, 396 transitions, 878 flow [2024-11-27 20:34:43,041 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 413.3333333333333) internal successors, (1240), 3 states have internal predecessors, (1240), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-27 20:34:43,041 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-27 20:34:43,042 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 20:34:43,042 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2024-11-27 20:34:43,042 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting thread1Err8ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 65 more)] === [2024-11-27 20:34:43,043 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 20:34:43,043 INFO L85 PathProgramCache]: Analyzing trace with hash -1779658794, now seen corresponding path program 1 times [2024-11-27 20:34:43,043 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 20:34:43,043 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1569557231] [2024-11-27 20:34:43,043 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 20:34:43,044 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 20:34:43,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 20:34:43,114 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-27 20:34:43,114 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 20:34:43,114 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1569557231] [2024-11-27 20:34:43,114 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1569557231] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 20:34:43,114 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 20:34:43,114 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-27 20:34:43,114 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1408140708] [2024-11-27 20:34:43,114 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 20:34:43,115 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-27 20:34:43,116 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 20:34:43,116 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-27 20:34:43,117 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-27 20:34:43,128 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 419 out of 445 [2024-11-27 20:34:43,130 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 404 places, 396 transitions, 878 flow. Second operand has 3 states, 3 states have (on average 420.3333333333333) internal successors, (1261), 3 states have internal predecessors, (1261), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-27 20:34:43,131 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-27 20:34:43,131 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 419 of 445 [2024-11-27 20:34:43,131 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-27 20:34:43,499 INFO L124 PetriNetUnfolderBase]: 60/1524 cut-off events. [2024-11-27 20:34:43,500 INFO L125 PetriNetUnfolderBase]: For 5/20 co-relation queries the response was YES. [2024-11-27 20:34:43,517 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1742 conditions, 1524 events. 60/1524 cut-off events. For 5/20 co-relation queries the response was YES. Maximal size of possible extension queue 31. Compared 8498 event pairs, 8 based on Foata normal form. 2/1374 useless extension candidates. Maximal degree in co-relation 1416. Up to 38 conditions per place. [2024-11-27 20:34:43,523 INFO L140 encePairwiseOnDemand]: 442/445 looper letters, 11 selfloop transitions, 2 changer transitions 0/397 dead transitions. [2024-11-27 20:34:43,523 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 405 places, 397 transitions, 908 flow [2024-11-27 20:34:43,524 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-27 20:34:43,524 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-27 20:34:43,526 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1271 transitions. [2024-11-27 20:34:43,527 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9520599250936329 [2024-11-27 20:34:43,527 INFO L175 Difference]: Start difference. First operand has 404 places, 396 transitions, 878 flow. Second operand 3 states and 1271 transitions. [2024-11-27 20:34:43,528 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 405 places, 397 transitions, 908 flow [2024-11-27 20:34:43,534 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 405 places, 397 transitions, 908 flow, removed 0 selfloop flow, removed 0 redundant places. [2024-11-27 20:34:43,539 INFO L231 Difference]: Finished difference. Result has 405 places, 395 transitions, 880 flow [2024-11-27 20:34:43,539 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=445, PETRI_DIFFERENCE_MINUEND_FLOW=876, PETRI_DIFFERENCE_MINUEND_PLACES=403, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=395, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=393, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=880, PETRI_PLACES=405, PETRI_TRANSITIONS=395} [2024-11-27 20:34:43,541 INFO L279 CegarLoopForPetriNet]: 415 programPoint places, -10 predicate places. [2024-11-27 20:34:43,541 INFO L471 AbstractCegarLoop]: Abstraction has has 405 places, 395 transitions, 880 flow [2024-11-27 20:34:43,542 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 420.3333333333333) internal successors, (1261), 3 states have internal predecessors, (1261), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-27 20:34:43,542 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-27 20:34:43,542 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 20:34:43,542 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2024-11-27 20:34:43,542 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting thread2Err5ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 65 more)] === [2024-11-27 20:34:43,543 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 20:34:43,543 INFO L85 PathProgramCache]: Analyzing trace with hash 651125951, now seen corresponding path program 1 times [2024-11-27 20:34:43,543 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 20:34:43,544 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1173046070] [2024-11-27 20:34:43,544 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 20:34:43,544 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 20:34:43,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 20:34:43,624 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-27 20:34:43,626 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 20:34:43,626 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1173046070] [2024-11-27 20:34:43,626 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1173046070] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 20:34:43,626 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 20:34:43,626 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-27 20:34:43,627 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [684004271] [2024-11-27 20:34:43,627 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 20:34:43,627 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-27 20:34:43,628 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 20:34:43,628 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-27 20:34:43,628 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-27 20:34:43,656 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 412 out of 445 [2024-11-27 20:34:43,661 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 405 places, 395 transitions, 880 flow. Second operand has 3 states, 3 states have (on average 413.6666666666667) internal successors, (1241), 3 states have internal predecessors, (1241), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-27 20:34:43,662 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-27 20:34:43,662 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 412 of 445 [2024-11-27 20:34:43,662 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-27 20:34:44,213 INFO L124 PetriNetUnfolderBase]: 222/1927 cut-off events. [2024-11-27 20:34:44,213 INFO L125 PetriNetUnfolderBase]: For 49/53 co-relation queries the response was YES. [2024-11-27 20:34:44,232 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2414 conditions, 1927 events. 222/1927 cut-off events. For 49/53 co-relation queries the response was YES. Maximal size of possible extension queue 53. Compared 12369 event pairs, 76 based on Foata normal form. 0/1735 useless extension candidates. Maximal degree in co-relation 2166. Up to 346 conditions per place. [2024-11-27 20:34:44,239 INFO L140 encePairwiseOnDemand]: 439/445 looper letters, 17 selfloop transitions, 2 changer transitions 0/395 dead transitions. [2024-11-27 20:34:44,239 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 403 places, 395 transitions, 920 flow [2024-11-27 20:34:44,240 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-27 20:34:44,240 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-27 20:34:44,243 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1259 transitions. [2024-11-27 20:34:44,244 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9430711610486892 [2024-11-27 20:34:44,244 INFO L175 Difference]: Start difference. First operand has 405 places, 395 transitions, 880 flow. Second operand 3 states and 1259 transitions. [2024-11-27 20:34:44,245 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 403 places, 395 transitions, 920 flow [2024-11-27 20:34:44,248 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 401 places, 395 transitions, 916 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-27 20:34:44,254 INFO L231 Difference]: Finished difference. Result has 402 places, 393 transitions, 882 flow [2024-11-27 20:34:44,255 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=445, PETRI_DIFFERENCE_MINUEND_FLOW=868, PETRI_DIFFERENCE_MINUEND_PLACES=399, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=391, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=389, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=882, PETRI_PLACES=402, PETRI_TRANSITIONS=393} [2024-11-27 20:34:44,255 INFO L279 CegarLoopForPetriNet]: 415 programPoint places, -13 predicate places. [2024-11-27 20:34:44,255 INFO L471 AbstractCegarLoop]: Abstraction has has 402 places, 393 transitions, 882 flow [2024-11-27 20:34:44,256 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 413.6666666666667) internal successors, (1241), 3 states have internal predecessors, (1241), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-27 20:34:44,256 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-27 20:34:44,256 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 20:34:44,257 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2024-11-27 20:34:44,257 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting thread2Err8ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 65 more)] === [2024-11-27 20:34:44,258 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 20:34:44,258 INFO L85 PathProgramCache]: Analyzing trace with hash -82359832, now seen corresponding path program 1 times [2024-11-27 20:34:44,258 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 20:34:44,258 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [775656815] [2024-11-27 20:34:44,258 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 20:34:44,259 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 20:34:44,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 20:34:44,372 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-27 20:34:44,372 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 20:34:44,372 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [775656815] [2024-11-27 20:34:44,374 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [775656815] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 20:34:44,374 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 20:34:44,374 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-27 20:34:44,374 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1078389947] [2024-11-27 20:34:44,374 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 20:34:44,375 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-27 20:34:44,375 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 20:34:44,375 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-27 20:34:44,375 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-27 20:34:44,397 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 419 out of 445 [2024-11-27 20:34:44,399 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 402 places, 393 transitions, 882 flow. Second operand has 3 states, 3 states have (on average 420.6666666666667) internal successors, (1262), 3 states have internal predecessors, (1262), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-27 20:34:44,399 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-27 20:34:44,399 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 419 of 445 [2024-11-27 20:34:44,399 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-27 20:34:44,775 INFO L124 PetriNetUnfolderBase]: 66/1560 cut-off events. [2024-11-27 20:34:44,775 INFO L125 PetriNetUnfolderBase]: For 9/21 co-relation queries the response was YES. [2024-11-27 20:34:44,793 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1805 conditions, 1560 events. 66/1560 cut-off events. For 9/21 co-relation queries the response was YES. Maximal size of possible extension queue 25. Compared 8750 event pairs, 6 based on Foata normal form. 1/1444 useless extension candidates. Maximal degree in co-relation 1593. Up to 48 conditions per place. [2024-11-27 20:34:44,798 INFO L140 encePairwiseOnDemand]: 442/445 looper letters, 11 selfloop transitions, 2 changer transitions 0/394 dead transitions. [2024-11-27 20:34:44,798 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 403 places, 394 transitions, 912 flow [2024-11-27 20:34:44,798 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-27 20:34:44,799 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-27 20:34:44,801 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1271 transitions. [2024-11-27 20:34:44,802 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9520599250936329 [2024-11-27 20:34:44,802 INFO L175 Difference]: Start difference. First operand has 402 places, 393 transitions, 882 flow. Second operand 3 states and 1271 transitions. [2024-11-27 20:34:44,802 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 403 places, 394 transitions, 912 flow [2024-11-27 20:34:44,805 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 403 places, 394 transitions, 912 flow, removed 0 selfloop flow, removed 0 redundant places. [2024-11-27 20:34:44,810 INFO L231 Difference]: Finished difference. Result has 403 places, 392 transitions, 884 flow [2024-11-27 20:34:44,811 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=445, PETRI_DIFFERENCE_MINUEND_FLOW=880, PETRI_DIFFERENCE_MINUEND_PLACES=401, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=392, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=390, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=884, PETRI_PLACES=403, PETRI_TRANSITIONS=392} [2024-11-27 20:34:44,811 INFO L279 CegarLoopForPetriNet]: 415 programPoint places, -12 predicate places. [2024-11-27 20:34:44,811 INFO L471 AbstractCegarLoop]: Abstraction has has 403 places, 392 transitions, 884 flow [2024-11-27 20:34:44,813 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 420.6666666666667) internal successors, (1262), 3 states have internal predecessors, (1262), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-27 20:34:44,814 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-27 20:34:44,814 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 20:34:44,814 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2024-11-27 20:34:44,814 INFO L396 AbstractCegarLoop]: === Iteration 21 === Targeting thread3Err8ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 65 more)] === [2024-11-27 20:34:44,815 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 20:34:44,816 INFO L85 PathProgramCache]: Analyzing trace with hash 1144087775, now seen corresponding path program 1 times [2024-11-27 20:34:44,816 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 20:34:44,816 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [867186165] [2024-11-27 20:34:44,816 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 20:34:44,816 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 20:34:44,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 20:34:44,922 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-27 20:34:44,923 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 20:34:44,923 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [867186165] [2024-11-27 20:34:44,923 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [867186165] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 20:34:44,923 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 20:34:44,923 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-27 20:34:44,923 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1418522193] [2024-11-27 20:34:44,923 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 20:34:44,923 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-27 20:34:44,924 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 20:34:44,924 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-27 20:34:44,924 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-27 20:34:44,938 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 419 out of 445 [2024-11-27 20:34:44,940 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 403 places, 392 transitions, 884 flow. Second operand has 3 states, 3 states have (on average 421.0) internal successors, (1263), 3 states have internal predecessors, (1263), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-27 20:34:44,940 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-27 20:34:44,940 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 419 of 445 [2024-11-27 20:34:44,940 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-27 20:34:45,222 INFO L124 PetriNetUnfolderBase]: 74/1231 cut-off events. [2024-11-27 20:34:45,223 INFO L125 PetriNetUnfolderBase]: For 31/37 co-relation queries the response was YES. [2024-11-27 20:34:45,233 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1539 conditions, 1231 events. 74/1231 cut-off events. For 31/37 co-relation queries the response was YES. Maximal size of possible extension queue 21. Compared 6257 event pairs, 14 based on Foata normal form. 0/1155 useless extension candidates. Maximal degree in co-relation 1475. Up to 76 conditions per place. [2024-11-27 20:34:45,236 INFO L140 encePairwiseOnDemand]: 442/445 looper letters, 11 selfloop transitions, 2 changer transitions 0/393 dead transitions. [2024-11-27 20:34:45,237 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 404 places, 393 transitions, 914 flow [2024-11-27 20:34:45,237 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-27 20:34:45,237 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-27 20:34:45,239 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1271 transitions. [2024-11-27 20:34:45,240 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9520599250936329 [2024-11-27 20:34:45,240 INFO L175 Difference]: Start difference. First operand has 403 places, 392 transitions, 884 flow. Second operand 3 states and 1271 transitions. [2024-11-27 20:34:45,240 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 404 places, 393 transitions, 914 flow [2024-11-27 20:34:45,243 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 402 places, 393 transitions, 910 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-27 20:34:45,247 INFO L231 Difference]: Finished difference. Result has 402 places, 391 transitions, 882 flow [2024-11-27 20:34:45,247 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=445, PETRI_DIFFERENCE_MINUEND_FLOW=878, PETRI_DIFFERENCE_MINUEND_PLACES=400, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=391, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=389, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=882, PETRI_PLACES=402, PETRI_TRANSITIONS=391} [2024-11-27 20:34:45,248 INFO L279 CegarLoopForPetriNet]: 415 programPoint places, -13 predicate places. [2024-11-27 20:34:45,249 INFO L471 AbstractCegarLoop]: Abstraction has has 402 places, 391 transitions, 882 flow [2024-11-27 20:34:45,249 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 421.0) internal successors, (1263), 3 states have internal predecessors, (1263), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-27 20:34:45,249 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-27 20:34:45,249 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 20:34:45,250 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2024-11-27 20:34:45,250 INFO L396 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 65 more)] === [2024-11-27 20:34:45,251 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 20:34:45,252 INFO L85 PathProgramCache]: Analyzing trace with hash -551136353, now seen corresponding path program 1 times [2024-11-27 20:34:45,252 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 20:34:45,252 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [826228897] [2024-11-27 20:34:45,252 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 20:34:45,252 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 20:34:45,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 20:34:45,408 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-27 20:34:45,408 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 20:34:45,409 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [826228897] [2024-11-27 20:34:45,409 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [826228897] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 20:34:45,409 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 20:34:45,409 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-27 20:34:45,409 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1169327295] [2024-11-27 20:34:45,409 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 20:34:45,410 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-27 20:34:45,410 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 20:34:45,411 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-27 20:34:45,411 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-27 20:34:45,421 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 421 out of 445 [2024-11-27 20:34:45,422 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 402 places, 391 transitions, 882 flow. Second operand has 3 states, 3 states have (on average 424.0) internal successors, (1272), 3 states have internal predecessors, (1272), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-27 20:34:45,422 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-27 20:34:45,422 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 421 of 445 [2024-11-27 20:34:45,422 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-27 20:34:45,784 INFO L124 PetriNetUnfolderBase]: 60/1538 cut-off events. [2024-11-27 20:34:45,784 INFO L125 PetriNetUnfolderBase]: For 5/11 co-relation queries the response was YES. [2024-11-27 20:34:45,800 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1818 conditions, 1538 events. 60/1538 cut-off events. For 5/11 co-relation queries the response was YES. Maximal size of possible extension queue 23. Compared 8400 event pairs, 4 based on Foata normal form. 0/1444 useless extension candidates. Maximal degree in co-relation 1589. Up to 50 conditions per place. [2024-11-27 20:34:45,804 INFO L140 encePairwiseOnDemand]: 443/445 looper letters, 8 selfloop transitions, 1 changer transitions 0/390 dead transitions. [2024-11-27 20:34:45,805 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 403 places, 390 transitions, 898 flow [2024-11-27 20:34:45,805 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-27 20:34:45,805 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-27 20:34:45,807 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1273 transitions. [2024-11-27 20:34:45,809 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9535580524344569 [2024-11-27 20:34:45,809 INFO L175 Difference]: Start difference. First operand has 402 places, 391 transitions, 882 flow. Second operand 3 states and 1273 transitions. [2024-11-27 20:34:45,809 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 403 places, 390 transitions, 898 flow [2024-11-27 20:34:45,814 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 401 places, 390 transitions, 894 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-27 20:34:45,818 INFO L231 Difference]: Finished difference. Result has 401 places, 390 transitions, 878 flow [2024-11-27 20:34:45,820 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=445, PETRI_DIFFERENCE_MINUEND_FLOW=876, PETRI_DIFFERENCE_MINUEND_PLACES=399, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=390, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=389, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=878, PETRI_PLACES=401, PETRI_TRANSITIONS=390} [2024-11-27 20:34:45,821 INFO L279 CegarLoopForPetriNet]: 415 programPoint places, -14 predicate places. [2024-11-27 20:34:45,821 INFO L471 AbstractCegarLoop]: Abstraction has has 401 places, 390 transitions, 878 flow [2024-11-27 20:34:45,822 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 424.0) internal successors, (1272), 3 states have internal predecessors, (1272), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-27 20:34:45,822 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-27 20:34:45,822 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 20:34:45,822 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2024-11-27 20:34:45,822 INFO L396 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 65 more)] === [2024-11-27 20:34:45,824 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 20:34:45,824 INFO L85 PathProgramCache]: Analyzing trace with hash -592800542, now seen corresponding path program 1 times [2024-11-27 20:34:45,824 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 20:34:45,824 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2111611534] [2024-11-27 20:34:45,825 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 20:34:45,825 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 20:34:45,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 20:34:45,952 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-27 20:34:45,953 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 20:34:45,953 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2111611534] [2024-11-27 20:34:45,953 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2111611534] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 20:34:45,953 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 20:34:45,953 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-27 20:34:45,953 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [357300167] [2024-11-27 20:34:45,953 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 20:34:45,955 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-27 20:34:45,956 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 20:34:45,957 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-27 20:34:45,957 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-27 20:34:45,968 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 421 out of 445 [2024-11-27 20:34:45,970 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 401 places, 390 transitions, 878 flow. Second operand has 3 states, 3 states have (on average 424.0) internal successors, (1272), 3 states have internal predecessors, (1272), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-27 20:34:45,970 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-27 20:34:45,970 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 421 of 445 [2024-11-27 20:34:45,970 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-27 20:34:46,309 INFO L124 PetriNetUnfolderBase]: 56/1511 cut-off events. [2024-11-27 20:34:46,310 INFO L125 PetriNetUnfolderBase]: For 5/11 co-relation queries the response was YES. [2024-11-27 20:34:46,323 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1729 conditions, 1511 events. 56/1511 cut-off events. For 5/11 co-relation queries the response was YES. Maximal size of possible extension queue 23. Compared 8189 event pairs, 3 based on Foata normal form. 0/1420 useless extension candidates. Maximal degree in co-relation 1698. Up to 48 conditions per place. [2024-11-27 20:34:46,326 INFO L140 encePairwiseOnDemand]: 443/445 looper letters, 8 selfloop transitions, 1 changer transitions 0/389 dead transitions. [2024-11-27 20:34:46,326 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 402 places, 389 transitions, 894 flow [2024-11-27 20:34:46,327 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-27 20:34:46,327 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-27 20:34:46,329 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1273 transitions. [2024-11-27 20:34:46,330 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9535580524344569 [2024-11-27 20:34:46,330 INFO L175 Difference]: Start difference. First operand has 401 places, 390 transitions, 878 flow. Second operand 3 states and 1273 transitions. [2024-11-27 20:34:46,330 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 402 places, 389 transitions, 894 flow [2024-11-27 20:34:46,333 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 401 places, 389 transitions, 893 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-11-27 20:34:46,337 INFO L231 Difference]: Finished difference. Result has 401 places, 389 transitions, 877 flow [2024-11-27 20:34:46,338 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=445, PETRI_DIFFERENCE_MINUEND_FLOW=875, PETRI_DIFFERENCE_MINUEND_PLACES=399, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=389, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=388, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=877, PETRI_PLACES=401, PETRI_TRANSITIONS=389} [2024-11-27 20:34:46,339 INFO L279 CegarLoopForPetriNet]: 415 programPoint places, -14 predicate places. [2024-11-27 20:34:46,339 INFO L471 AbstractCegarLoop]: Abstraction has has 401 places, 389 transitions, 877 flow [2024-11-27 20:34:46,339 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 424.0) internal successors, (1272), 3 states have internal predecessors, (1272), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-27 20:34:46,339 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-27 20:34:46,340 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 20:34:46,340 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2024-11-27 20:34:46,340 INFO L396 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr11ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 65 more)] === [2024-11-27 20:34:46,342 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 20:34:46,342 INFO L85 PathProgramCache]: Analyzing trace with hash -933491653, now seen corresponding path program 1 times [2024-11-27 20:34:46,342 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 20:34:46,342 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2058829989] [2024-11-27 20:34:46,343 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 20:34:46,343 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 20:34:46,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 20:34:46,465 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-27 20:34:46,465 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 20:34:46,465 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2058829989] [2024-11-27 20:34:46,465 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2058829989] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 20:34:46,465 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 20:34:46,465 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-27 20:34:46,466 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1534752800] [2024-11-27 20:34:46,466 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 20:34:46,466 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-27 20:34:46,467 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 20:34:46,467 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-27 20:34:46,467 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-27 20:34:46,478 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 421 out of 445 [2024-11-27 20:34:46,479 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 401 places, 389 transitions, 877 flow. Second operand has 3 states, 3 states have (on average 424.0) internal successors, (1272), 3 states have internal predecessors, (1272), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-27 20:34:46,479 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-27 20:34:46,480 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 421 of 445 [2024-11-27 20:34:46,480 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-27 20:34:46,703 INFO L124 PetriNetUnfolderBase]: 52/1170 cut-off events. [2024-11-27 20:34:46,703 INFO L125 PetriNetUnfolderBase]: For 10/16 co-relation queries the response was YES. [2024-11-27 20:34:46,714 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1378 conditions, 1170 events. 52/1170 cut-off events. For 10/16 co-relation queries the response was YES. Maximal size of possible extension queue 20. Compared 5778 event pairs, 7 based on Foata normal form. 2/1098 useless extension candidates. Maximal degree in co-relation 1358. Up to 42 conditions per place. [2024-11-27 20:34:46,715 INFO L140 encePairwiseOnDemand]: 443/445 looper letters, 0 selfloop transitions, 0 changer transitions 388/388 dead transitions. [2024-11-27 20:34:46,715 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 402 places, 388 transitions, 891 flow [2024-11-27 20:34:46,716 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-27 20:34:46,716 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-27 20:34:46,717 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1272 transitions. [2024-11-27 20:34:46,718 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.952808988764045 [2024-11-27 20:34:46,718 INFO L175 Difference]: Start difference. First operand has 401 places, 389 transitions, 877 flow. Second operand 3 states and 1272 transitions. [2024-11-27 20:34:46,718 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 402 places, 388 transitions, 891 flow [2024-11-27 20:34:46,721 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 401 places, 388 transitions, 890 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-11-27 20:34:46,723 INFO L231 Difference]: Finished difference. Result has 401 places, 0 transitions, 0 flow [2024-11-27 20:34:46,723 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=445, PETRI_DIFFERENCE_MINUEND_FLOW=874, PETRI_DIFFERENCE_MINUEND_PLACES=399, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=388, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=388, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=0, PETRI_PLACES=401, PETRI_TRANSITIONS=0} [2024-11-27 20:34:46,724 INFO L279 CegarLoopForPetriNet]: 415 programPoint places, -14 predicate places. [2024-11-27 20:34:46,724 INFO L471 AbstractCegarLoop]: Abstraction has has 401 places, 0 transitions, 0 flow [2024-11-27 20:34:46,725 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 424.0) internal successors, (1272), 3 states have internal predecessors, (1272), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-27 20:34:46,727 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (68 of 69 remaining) [2024-11-27 20:34:46,728 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE (67 of 69 remaining) [2024-11-27 20:34:46,728 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err2ASSERT_VIOLATIONDATA_RACE (66 of 69 remaining) [2024-11-27 20:34:46,728 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err3ASSERT_VIOLATIONDATA_RACE (65 of 69 remaining) [2024-11-27 20:34:46,728 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err4ASSERT_VIOLATIONDATA_RACE (64 of 69 remaining) [2024-11-27 20:34:46,728 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err5ASSERT_VIOLATIONDATA_RACE (63 of 69 remaining) [2024-11-27 20:34:46,728 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err6ASSERT_VIOLATIONDATA_RACE (62 of 69 remaining) [2024-11-27 20:34:46,728 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err7ASSERT_VIOLATIONDATA_RACE (61 of 69 remaining) [2024-11-27 20:34:46,728 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err8ASSERT_VIOLATIONDATA_RACE (60 of 69 remaining) [2024-11-27 20:34:46,729 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (59 of 69 remaining) [2024-11-27 20:34:46,729 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (58 of 69 remaining) [2024-11-27 20:34:46,729 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err2ASSERT_VIOLATIONDATA_RACE (57 of 69 remaining) [2024-11-27 20:34:46,729 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err3ASSERT_VIOLATIONDATA_RACE (56 of 69 remaining) [2024-11-27 20:34:46,729 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err4ASSERT_VIOLATIONDATA_RACE (55 of 69 remaining) [2024-11-27 20:34:46,729 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err5ASSERT_VIOLATIONDATA_RACE (54 of 69 remaining) [2024-11-27 20:34:46,729 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err6ASSERT_VIOLATIONDATA_RACE (53 of 69 remaining) [2024-11-27 20:34:46,729 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err7ASSERT_VIOLATIONDATA_RACE (52 of 69 remaining) [2024-11-27 20:34:46,729 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err8ASSERT_VIOLATIONDATA_RACE (51 of 69 remaining) [2024-11-27 20:34:46,730 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err0ASSERT_VIOLATIONDATA_RACE (50 of 69 remaining) [2024-11-27 20:34:46,730 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err1ASSERT_VIOLATIONDATA_RACE (49 of 69 remaining) [2024-11-27 20:34:46,730 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err2ASSERT_VIOLATIONDATA_RACE (48 of 69 remaining) [2024-11-27 20:34:46,730 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err3ASSERT_VIOLATIONDATA_RACE (47 of 69 remaining) [2024-11-27 20:34:46,730 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err4ASSERT_VIOLATIONDATA_RACE (46 of 69 remaining) [2024-11-27 20:34:46,730 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err5ASSERT_VIOLATIONDATA_RACE (45 of 69 remaining) [2024-11-27 20:34:46,730 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err6ASSERT_VIOLATIONDATA_RACE (44 of 69 remaining) [2024-11-27 20:34:46,730 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err7ASSERT_VIOLATIONDATA_RACE (43 of 69 remaining) [2024-11-27 20:34:46,730 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err8ASSERT_VIOLATIONDATA_RACE (42 of 69 remaining) [2024-11-27 20:34:46,731 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (41 of 69 remaining) [2024-11-27 20:34:46,731 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (40 of 69 remaining) [2024-11-27 20:34:46,731 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (39 of 69 remaining) [2024-11-27 20:34:46,731 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (38 of 69 remaining) [2024-11-27 20:34:46,731 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE (37 of 69 remaining) [2024-11-27 20:34:46,731 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE (36 of 69 remaining) [2024-11-27 20:34:46,731 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE (35 of 69 remaining) [2024-11-27 20:34:46,731 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE (34 of 69 remaining) [2024-11-27 20:34:46,732 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr8ASSERT_VIOLATIONDATA_RACE (33 of 69 remaining) [2024-11-27 20:34:46,732 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE (32 of 69 remaining) [2024-11-27 20:34:46,732 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE (31 of 69 remaining) [2024-11-27 20:34:46,732 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr11ASSERT_VIOLATIONDATA_RACE (30 of 69 remaining) [2024-11-27 20:34:46,732 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (29 of 69 remaining) [2024-11-27 20:34:46,732 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (28 of 69 remaining) [2024-11-27 20:34:46,732 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (27 of 69 remaining) [2024-11-27 20:34:46,732 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (26 of 69 remaining) [2024-11-27 20:34:46,732 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE (25 of 69 remaining) [2024-11-27 20:34:46,732 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err2ASSERT_VIOLATIONDATA_RACE (24 of 69 remaining) [2024-11-27 20:34:46,733 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err3ASSERT_VIOLATIONDATA_RACE (23 of 69 remaining) [2024-11-27 20:34:46,733 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err4ASSERT_VIOLATIONDATA_RACE (22 of 69 remaining) [2024-11-27 20:34:46,733 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err5ASSERT_VIOLATIONDATA_RACE (21 of 69 remaining) [2024-11-27 20:34:46,733 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err6ASSERT_VIOLATIONDATA_RACE (20 of 69 remaining) [2024-11-27 20:34:46,733 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err7ASSERT_VIOLATIONDATA_RACE (19 of 69 remaining) [2024-11-27 20:34:46,733 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err8ASSERT_VIOLATIONDATA_RACE (18 of 69 remaining) [2024-11-27 20:34:46,733 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (17 of 69 remaining) [2024-11-27 20:34:46,733 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (16 of 69 remaining) [2024-11-27 20:34:46,733 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err2ASSERT_VIOLATIONDATA_RACE (15 of 69 remaining) [2024-11-27 20:34:46,733 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err3ASSERT_VIOLATIONDATA_RACE (14 of 69 remaining) [2024-11-27 20:34:46,733 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err4ASSERT_VIOLATIONDATA_RACE (13 of 69 remaining) [2024-11-27 20:34:46,734 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err5ASSERT_VIOLATIONDATA_RACE (12 of 69 remaining) [2024-11-27 20:34:46,734 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err6ASSERT_VIOLATIONDATA_RACE (11 of 69 remaining) [2024-11-27 20:34:46,734 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err7ASSERT_VIOLATIONDATA_RACE (10 of 69 remaining) [2024-11-27 20:34:46,734 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err8ASSERT_VIOLATIONDATA_RACE (9 of 69 remaining) [2024-11-27 20:34:46,734 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err0ASSERT_VIOLATIONDATA_RACE (8 of 69 remaining) [2024-11-27 20:34:46,734 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err1ASSERT_VIOLATIONDATA_RACE (7 of 69 remaining) [2024-11-27 20:34:46,734 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err2ASSERT_VIOLATIONDATA_RACE (6 of 69 remaining) [2024-11-27 20:34:46,734 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err3ASSERT_VIOLATIONDATA_RACE (5 of 69 remaining) [2024-11-27 20:34:46,734 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err4ASSERT_VIOLATIONDATA_RACE (4 of 69 remaining) [2024-11-27 20:34:46,734 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err5ASSERT_VIOLATIONDATA_RACE (3 of 69 remaining) [2024-11-27 20:34:46,734 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err6ASSERT_VIOLATIONDATA_RACE (2 of 69 remaining) [2024-11-27 20:34:46,735 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err7ASSERT_VIOLATIONDATA_RACE (1 of 69 remaining) [2024-11-27 20:34:46,735 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err8ASSERT_VIOLATIONDATA_RACE (0 of 69 remaining) [2024-11-27 20:34:46,735 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2024-11-27 20:34:46,735 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 20:34:46,742 INFO L241 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-11-27 20:34:46,744 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-27 20:34:46,750 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 27.11 08:34:46 BasicIcfg [2024-11-27 20:34:46,750 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-27 20:34:46,751 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-27 20:34:46,751 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-27 20:34:46,752 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-27 20:34:46,752 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.11 08:34:34" (3/4) ... [2024-11-27 20:34:46,754 INFO L146 WitnessPrinter]: Generating witness for correct program [2024-11-27 20:34:46,757 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread1 [2024-11-27 20:34:46,757 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread2 [2024-11-27 20:34:46,757 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread3 [2024-11-27 20:34:46,763 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 14 nodes and edges [2024-11-27 20:34:46,763 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2024-11-27 20:34:46,764 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2024-11-27 20:34:46,764 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-11-27 20:34:46,858 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5c40780-f250-437f-a0a6-59351fc98ee6/bin/uautomizer-verify-aQ6SnzHsRB/witness.graphml [2024-11-27 20:34:46,859 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5c40780-f250-437f-a0a6-59351fc98ee6/bin/uautomizer-verify-aQ6SnzHsRB/witness.yml [2024-11-27 20:34:46,860 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-27 20:34:46,861 INFO L158 Benchmark]: Toolchain (without parser) took 13526.02ms. Allocated memory was 117.4MB in the beginning and 520.1MB in the end (delta: 402.7MB). Free memory was 95.2MB in the beginning and 279.5MB in the end (delta: -184.3MB). Peak memory consumption was 215.9MB. Max. memory is 16.1GB. [2024-11-27 20:34:46,861 INFO L158 Benchmark]: CDTParser took 1.79ms. Allocated memory is still 142.6MB. Free memory is still 79.9MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-27 20:34:46,862 INFO L158 Benchmark]: CACSL2BoogieTranslator took 292.61ms. Allocated memory is still 117.4MB. Free memory was 94.9MB in the beginning and 82.7MB in the end (delta: 12.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-27 20:34:46,863 INFO L158 Benchmark]: Boogie Procedure Inliner took 46.28ms. Allocated memory is still 117.4MB. Free memory was 82.7MB in the beginning and 80.3MB in the end (delta: 2.5MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-27 20:34:46,863 INFO L158 Benchmark]: Boogie Preprocessor took 37.09ms. Allocated memory is still 117.4MB. Free memory was 80.3MB in the beginning and 78.6MB in the end (delta: 1.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-27 20:34:46,864 INFO L158 Benchmark]: RCFGBuilder took 940.80ms. Allocated memory is still 117.4MB. Free memory was 78.6MB in the beginning and 50.7MB in the end (delta: 27.9MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2024-11-27 20:34:46,865 INFO L158 Benchmark]: TraceAbstraction took 12093.98ms. Allocated memory was 117.4MB in the beginning and 520.1MB in the end (delta: 402.7MB). Free memory was 50.1MB in the beginning and 283.8MB in the end (delta: -233.6MB). Peak memory consumption was 165.6MB. Max. memory is 16.1GB. [2024-11-27 20:34:46,867 INFO L158 Benchmark]: Witness Printer took 108.36ms. Allocated memory is still 520.1MB. Free memory was 283.8MB in the beginning and 279.5MB in the end (delta: 4.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-27 20:34:46,868 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.79ms. Allocated memory is still 142.6MB. Free memory is still 79.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 292.61ms. Allocated memory is still 117.4MB. Free memory was 94.9MB in the beginning and 82.7MB in the end (delta: 12.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 46.28ms. Allocated memory is still 117.4MB. Free memory was 82.7MB in the beginning and 80.3MB in the end (delta: 2.5MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 37.09ms. Allocated memory is still 117.4MB. Free memory was 80.3MB in the beginning and 78.6MB in the end (delta: 1.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * RCFGBuilder took 940.80ms. Allocated memory is still 117.4MB. Free memory was 78.6MB in the beginning and 50.7MB in the end (delta: 27.9MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * TraceAbstraction took 12093.98ms. Allocated memory was 117.4MB in the beginning and 520.1MB in the end (delta: 402.7MB). Free memory was 50.1MB in the beginning and 283.8MB in the end (delta: -233.6MB). Peak memory consumption was 165.6MB. Max. memory is 16.1GB. * Witness Printer took 108.36ms. Allocated memory is still 520.1MB. Free memory was 283.8MB in the beginning and 279.5MB in the end (delta: 4.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 43]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 43]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 44]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 44]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 45]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 45]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 45]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 45]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 45]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 51]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 51]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 52]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 52]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 53]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 53]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 53]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 53]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 53]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 59]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 59]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 60]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 60]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 61]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 61]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 61]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 61]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 61]: 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: 71]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 72]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 73]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 74]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 75]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 76]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 77]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 87]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 87]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 87]: there are no data races For all program executions holds that there are no data races at this location - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 7 procedures, 701 locations, 69 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: 11.8s, OverallIterations: 24, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 8.9s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.2s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 462 SdHoareTripleChecker+Valid, 1.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 164 mSDsluCounter, 102 SdHoareTripleChecker+Invalid, 0.7s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 80 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 620 IncrementalHoareTripleChecker+Invalid, 700 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 80 mSolverCounterUnsat, 102 mSDtfsCounter, 620 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 48 GetRequests, 24 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=884occurred in iteration=20, InterpolantAutomatonStates: 72, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 1.6s InterpolantComputationTime, 3250 NumberOfCodeBlocks, 3250 NumberOfCodeBlocksAsserted, 24 NumberOfCheckSat, 3226 ConstructedInterpolants, 0 QuantifiedInterpolants, 3274 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 24 InterpolantComputations, 24 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available, ConComCheckerStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 39 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2024-11-27 20:34:46,891 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5c40780-f250-437f-a0a6-59351fc98ee6/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE