./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-data-race.prp --file ../../sv-benchmarks/c/weaver/parallel-misc-2.wvr.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version 527bcce2 Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79d87b87-eb6a-4da5-b651-a811f8b014a0/bin/uautomizer-verify-bycVGegfSx/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79d87b87-eb6a-4da5-b651-a811f8b014a0/bin/uautomizer-verify-bycVGegfSx/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79d87b87-eb6a-4da5-b651-a811f8b014a0/bin/uautomizer-verify-bycVGegfSx/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79d87b87-eb6a-4da5-b651-a811f8b014a0/bin/uautomizer-verify-bycVGegfSx/config/AutomizerReach.xml -i ../../sv-benchmarks/c/weaver/parallel-misc-2.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79d87b87-eb6a-4da5-b651-a811f8b014a0/bin/uautomizer-verify-bycVGegfSx/config/svcomp-DataRace-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79d87b87-eb6a-4da5-b651-a811f8b014a0/bin/uautomizer-verify-bycVGegfSx --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 387afe7095db5eeb3a9188bc3fe181fa803bb62f73944f6d781c5c9340fce39e --- Real Ultimate output --- This is Ultimate 0.2.3-dev-527bcce [2023-11-21 22:07:24,369 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-21 22:07:24,479 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79d87b87-eb6a-4da5-b651-a811f8b014a0/bin/uautomizer-verify-bycVGegfSx/config/svcomp-DataRace-32bit-Automizer_Default.epf [2023-11-21 22:07:24,486 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-21 22:07:24,487 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-21 22:07:24,521 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-21 22:07:24,522 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-21 22:07:24,522 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-21 22:07:24,523 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-21 22:07:24,524 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-21 22:07:24,525 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-21 22:07:24,525 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-21 22:07:24,526 INFO L153 SettingsManager]: * Use SBE=true [2023-11-21 22:07:24,527 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-21 22:07:24,527 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-21 22:07:24,528 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-21 22:07:24,528 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-21 22:07:24,529 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-21 22:07:24,530 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-21 22:07:24,530 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-21 22:07:24,531 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-21 22:07:24,531 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-21 22:07:24,532 INFO L153 SettingsManager]: * Check absence of data races in concurrent programs=true [2023-11-21 22:07:24,533 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-21 22:07:24,539 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-21 22:07:24,540 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-21 22:07:24,540 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-21 22:07:24,541 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-21 22:07:24,541 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-21 22:07:24,542 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-21 22:07:24,542 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-21 22:07:24,543 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-21 22:07:24,543 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-21 22:07:24,544 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-21 22:07:24,544 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-21 22:07:24,544 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-21 22:07:24,545 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-21 22:07:24,545 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-21 22:07:24,546 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-21 22:07:24,546 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-21 22:07:24,547 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-21 22:07:24,547 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79d87b87-eb6a-4da5-b651-a811f8b014a0/bin/uautomizer-verify-bycVGegfSx/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79d87b87-eb6a-4da5-b651-a811f8b014a0/bin/uautomizer-verify-bycVGegfSx Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 387afe7095db5eeb3a9188bc3fe181fa803bb62f73944f6d781c5c9340fce39e [2023-11-21 22:07:24,824 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-21 22:07:24,859 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-21 22:07:24,862 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-21 22:07:24,864 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-21 22:07:24,865 INFO L274 PluginConnector]: CDTParser initialized [2023-11-21 22:07:24,867 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79d87b87-eb6a-4da5-b651-a811f8b014a0/bin/uautomizer-verify-bycVGegfSx/../../sv-benchmarks/c/weaver/parallel-misc-2.wvr.c [2023-11-21 22:07:27,988 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-21 22:07:28,201 INFO L384 CDTParser]: Found 1 translation units. [2023-11-21 22:07:28,201 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79d87b87-eb6a-4da5-b651-a811f8b014a0/sv-benchmarks/c/weaver/parallel-misc-2.wvr.c [2023-11-21 22:07:28,210 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79d87b87-eb6a-4da5-b651-a811f8b014a0/bin/uautomizer-verify-bycVGegfSx/data/8a7eeac43/ab72113cb9604752a1a595b45252c5f8/FLAGbb70e4272 [2023-11-21 22:07:28,227 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79d87b87-eb6a-4da5-b651-a811f8b014a0/bin/uautomizer-verify-bycVGegfSx/data/8a7eeac43/ab72113cb9604752a1a595b45252c5f8 [2023-11-21 22:07:28,229 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-21 22:07:28,231 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-21 22:07:28,233 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-21 22:07:28,233 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-21 22:07:28,239 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-21 22:07:28,242 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 10:07:28" (1/1) ... [2023-11-21 22:07:28,243 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@9745c44 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:07:28, skipping insertion in model container [2023-11-21 22:07:28,244 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 10:07:28" (1/1) ... [2023-11-21 22:07:28,276 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-21 22:07:28,556 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 22:07:28,569 INFO L202 MainTranslator]: Completed pre-run [2023-11-21 22:07:28,630 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 22:07:28,641 WARN L675 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-11-21 22:07:28,642 WARN L675 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-11-21 22:07:28,650 INFO L206 MainTranslator]: Completed translation [2023-11-21 22:07:28,651 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:07:28 WrapperNode [2023-11-21 22:07:28,651 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-21 22:07:28,652 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-21 22:07:28,653 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-21 22:07:28,653 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-21 22:07:28,661 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:07:28" (1/1) ... [2023-11-21 22:07:28,685 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:07:28" (1/1) ... [2023-11-21 22:07:28,726 INFO L138 Inliner]: procedures = 21, calls = 29, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 127 [2023-11-21 22:07:28,727 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-21 22:07:28,728 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-21 22:07:28,728 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-21 22:07:28,728 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-21 22:07:28,739 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:07:28" (1/1) ... [2023-11-21 22:07:28,739 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:07:28" (1/1) ... [2023-11-21 22:07:28,752 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:07:28" (1/1) ... [2023-11-21 22:07:28,755 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:07:28" (1/1) ... [2023-11-21 22:07:28,768 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:07:28" (1/1) ... [2023-11-21 22:07:28,784 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:07:28" (1/1) ... [2023-11-21 22:07:28,786 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:07:28" (1/1) ... [2023-11-21 22:07:28,794 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:07:28" (1/1) ... [2023-11-21 22:07:28,797 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-21 22:07:28,798 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-21 22:07:28,800 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-21 22:07:28,800 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-21 22:07:28,801 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:07:28" (1/1) ... [2023-11-21 22:07:28,807 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-21 22:07:28,819 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79d87b87-eb6a-4da5-b651-a811f8b014a0/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 22:07:28,833 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79d87b87-eb6a-4da5-b651-a811f8b014a0/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-21 22:07:28,867 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79d87b87-eb6a-4da5-b651-a811f8b014a0/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-21 22:07:28,902 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-21 22:07:28,902 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2023-11-21 22:07:28,902 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2023-11-21 22:07:28,903 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2023-11-21 22:07:28,903 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2023-11-21 22:07:28,903 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-21 22:07:28,903 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-21 22:07:28,903 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-21 22:07:28,904 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-11-21 22:07:28,904 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-11-21 22:07:28,904 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-21 22:07:28,904 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-21 22:07:28,904 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-21 22:07:28,905 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-21 22:07:28,906 WARN L212 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-11-21 22:07:29,062 INFO L240 CfgBuilder]: Building ICFG [2023-11-21 22:07:29,064 INFO L266 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-21 22:07:29,466 INFO L281 CfgBuilder]: Performing block encoding [2023-11-21 22:07:29,592 INFO L303 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-21 22:07:29,593 INFO L308 CfgBuilder]: Removed 2 assume(true) statements. [2023-11-21 22:07:29,595 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 10:07:29 BoogieIcfgContainer [2023-11-21 22:07:29,595 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-21 22:07:29,598 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-21 22:07:29,598 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-21 22:07:29,601 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-21 22:07:29,602 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.11 10:07:28" (1/3) ... [2023-11-21 22:07:29,603 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@72d0ad13 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.11 10:07:29, skipping insertion in model container [2023-11-21 22:07:29,603 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:07:28" (2/3) ... [2023-11-21 22:07:29,603 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@72d0ad13 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.11 10:07:29, skipping insertion in model container [2023-11-21 22:07:29,604 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 10:07:29" (3/3) ... [2023-11-21 22:07:29,605 INFO L112 eAbstractionObserver]: Analyzing ICFG parallel-misc-2.wvr.c [2023-11-21 22:07:29,614 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2023-11-21 22:07:29,626 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-21 22:07:29,626 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 36 error locations. [2023-11-21 22:07:29,626 INFO L514 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-11-21 22:07:29,739 INFO L144 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2023-11-21 22:07:29,799 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 235 places, 238 transitions, 490 flow [2023-11-21 22:07:29,903 INFO L124 PetriNetUnfolderBase]: 10/236 cut-off events. [2023-11-21 22:07:29,903 INFO L125 PetriNetUnfolderBase]: For 2/2 co-relation queries the response was YES. [2023-11-21 22:07:29,911 INFO L83 FinitePrefix]: Finished finitePrefix Result has 245 conditions, 236 events. 10/236 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 9. Compared 350 event pairs, 0 based on Foata normal form. 0/190 useless extension candidates. Maximal degree in co-relation 151. Up to 2 conditions per place. [2023-11-21 22:07:29,911 INFO L82 GeneralOperation]: Start removeDead. Operand has 235 places, 238 transitions, 490 flow [2023-11-21 22:07:29,919 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 213 places, 215 transitions, 442 flow [2023-11-21 22:07:29,932 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-21 22:07:29,940 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@7c29f868, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-21 22:07:29,941 INFO L358 AbstractCegarLoop]: Starting to check reachability of 60 error locations. [2023-11-21 22:07:29,949 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2023-11-21 22:07:29,949 INFO L124 PetriNetUnfolderBase]: 0/20 cut-off events. [2023-11-21 22:07:29,949 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2023-11-21 22:07:29,950 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-21 22:07:29,950 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-21 22:07:29,951 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 56 more)] === [2023-11-21 22:07:29,967 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 22:07:29,967 INFO L85 PathProgramCache]: Analyzing trace with hash -371347633, now seen corresponding path program 1 times [2023-11-21 22:07:29,978 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-21 22:07:29,979 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2118035534] [2023-11-21 22:07:29,979 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 22:07:29,980 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 22:07:30,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:07:30,247 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 22:07:30,248 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-21 22:07:30,248 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2118035534] [2023-11-21 22:07:30,249 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2118035534] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-21 22:07:30,250 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-21 22:07:30,250 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-21 22:07:30,252 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1578860869] [2023-11-21 22:07:30,252 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-21 22:07:30,284 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-21 22:07:30,294 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-21 22:07:30,351 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-21 22:07:30,352 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-21 22:07:30,405 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 206 out of 238 [2023-11-21 22:07:30,413 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 213 places, 215 transitions, 442 flow. Second operand has 3 states, 3 states have (on average 207.33333333333334) internal successors, (622), 3 states have internal predecessors, (622), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 22:07:30,413 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-21 22:07:30,413 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 206 of 238 [2023-11-21 22:07:30,414 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-21 22:07:30,568 INFO L124 PetriNetUnfolderBase]: 14/266 cut-off events. [2023-11-21 22:07:30,569 INFO L125 PetriNetUnfolderBase]: For 12/12 co-relation queries the response was YES. [2023-11-21 22:07:30,576 INFO L83 FinitePrefix]: Finished finitePrefix Result has 306 conditions, 266 events. 14/266 cut-off events. For 12/12 co-relation queries the response was YES. Maximal size of possible extension queue 11. Compared 643 event pairs, 3 based on Foata normal form. 7/227 useless extension candidates. Maximal degree in co-relation 159. Up to 26 conditions per place. [2023-11-21 22:07:30,580 INFO L140 encePairwiseOnDemand]: 224/238 looper letters, 15 selfloop transitions, 2 changer transitions 1/203 dead transitions. [2023-11-21 22:07:30,580 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 206 places, 203 transitions, 452 flow [2023-11-21 22:07:30,581 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-21 22:07:30,584 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-21 22:07:30,600 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 647 transitions. [2023-11-21 22:07:30,605 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.9061624649859944 [2023-11-21 22:07:30,606 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 647 transitions. [2023-11-21 22:07:30,607 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 647 transitions. [2023-11-21 22:07:30,612 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-21 22:07:30,615 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 647 transitions. [2023-11-21 22:07:30,620 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 215.66666666666666) internal successors, (647), 3 states have internal predecessors, (647), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 22:07:30,628 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 238.0) internal successors, (952), 4 states have internal predecessors, (952), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 22:07:30,629 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 238.0) internal successors, (952), 4 states have internal predecessors, (952), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 22:07:30,632 INFO L175 Difference]: Start difference. First operand has 213 places, 215 transitions, 442 flow. Second operand 3 states and 647 transitions. [2023-11-21 22:07:30,633 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 206 places, 203 transitions, 452 flow [2023-11-21 22:07:30,638 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 202 places, 203 transitions, 444 flow, removed 0 selfloop flow, removed 4 redundant places. [2023-11-21 22:07:30,645 INFO L231 Difference]: Finished difference. Result has 202 places, 202 transitions, 412 flow [2023-11-21 22:07:30,647 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=238, PETRI_DIFFERENCE_MINUEND_FLOW=410, PETRI_DIFFERENCE_MINUEND_PLACES=200, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=203, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=201, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=412, PETRI_PLACES=202, PETRI_TRANSITIONS=202} [2023-11-21 22:07:30,651 INFO L281 CegarLoopForPetriNet]: 213 programPoint places, -11 predicate places. [2023-11-21 22:07:30,651 INFO L495 AbstractCegarLoop]: Abstraction has has 202 places, 202 transitions, 412 flow [2023-11-21 22:07:30,652 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 207.33333333333334) internal successors, (622), 3 states have internal predecessors, (622), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 22:07:30,653 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-21 22:07:30,653 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-21 22:07:30,653 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-21 22:07:30,654 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 56 more)] === [2023-11-21 22:07:30,654 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 22:07:30,655 INFO L85 PathProgramCache]: Analyzing trace with hash -1106235019, now seen corresponding path program 1 times [2023-11-21 22:07:30,655 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-21 22:07:30,655 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1630904592] [2023-11-21 22:07:30,656 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 22:07:30,656 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 22:07:30,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:07:30,717 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 22:07:30,717 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-21 22:07:30,717 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1630904592] [2023-11-21 22:07:30,718 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1630904592] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-21 22:07:30,718 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-21 22:07:30,718 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-21 22:07:30,719 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1411610176] [2023-11-21 22:07:30,719 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-21 22:07:30,720 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-21 22:07:30,721 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-21 22:07:30,721 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-21 22:07:30,722 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-21 22:07:30,762 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 206 out of 238 [2023-11-21 22:07:30,764 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 202 places, 202 transitions, 412 flow. Second operand has 3 states, 3 states have (on average 207.33333333333334) internal successors, (622), 3 states have internal predecessors, (622), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 22:07:30,764 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-21 22:07:30,765 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 206 of 238 [2023-11-21 22:07:30,765 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-21 22:07:30,860 INFO L124 PetriNetUnfolderBase]: 24/300 cut-off events. [2023-11-21 22:07:30,860 INFO L125 PetriNetUnfolderBase]: For 3/4 co-relation queries the response was YES. [2023-11-21 22:07:30,862 INFO L83 FinitePrefix]: Finished finitePrefix Result has 355 conditions, 300 events. 24/300 cut-off events. For 3/4 co-relation queries the response was YES. Maximal size of possible extension queue 12. Compared 899 event pairs, 9 based on Foata normal form. 0/247 useless extension candidates. Maximal degree in co-relation 326. Up to 43 conditions per place. [2023-11-21 22:07:30,864 INFO L140 encePairwiseOnDemand]: 235/238 looper letters, 15 selfloop transitions, 2 changer transitions 0/201 dead transitions. [2023-11-21 22:07:30,864 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 202 places, 201 transitions, 444 flow [2023-11-21 22:07:30,864 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-21 22:07:30,865 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-21 22:07:30,867 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 636 transitions. [2023-11-21 22:07:30,868 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.8907563025210085 [2023-11-21 22:07:30,868 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 636 transitions. [2023-11-21 22:07:30,868 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 636 transitions. [2023-11-21 22:07:30,869 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-21 22:07:30,869 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 636 transitions. [2023-11-21 22:07:30,871 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 212.0) internal successors, (636), 3 states have internal predecessors, (636), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 22:07:30,875 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 238.0) internal successors, (952), 4 states have internal predecessors, (952), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 22:07:30,876 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 238.0) internal successors, (952), 4 states have internal predecessors, (952), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 22:07:30,876 INFO L175 Difference]: Start difference. First operand has 202 places, 202 transitions, 412 flow. Second operand 3 states and 636 transitions. [2023-11-21 22:07:30,876 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 202 places, 201 transitions, 444 flow [2023-11-21 22:07:30,881 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 200 places, 201 transitions, 440 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-11-21 22:07:30,888 INFO L231 Difference]: Finished difference. Result has 200 places, 201 transitions, 410 flow [2023-11-21 22:07:30,889 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=238, PETRI_DIFFERENCE_MINUEND_FLOW=406, PETRI_DIFFERENCE_MINUEND_PLACES=198, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=201, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=199, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=410, PETRI_PLACES=200, PETRI_TRANSITIONS=201} [2023-11-21 22:07:30,889 INFO L281 CegarLoopForPetriNet]: 213 programPoint places, -13 predicate places. [2023-11-21 22:07:30,890 INFO L495 AbstractCegarLoop]: Abstraction has has 200 places, 201 transitions, 410 flow [2023-11-21 22:07:30,892 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 207.33333333333334) internal successors, (622), 3 states have internal predecessors, (622), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 22:07:30,895 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-21 22:07:30,895 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-21 22:07:30,896 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-11-21 22:07:30,896 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 56 more)] === [2023-11-21 22:07:30,899 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 22:07:30,899 INFO L85 PathProgramCache]: Analyzing trace with hash -1888140136, now seen corresponding path program 1 times [2023-11-21 22:07:30,900 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-21 22:07:30,900 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1340412812] [2023-11-21 22:07:30,901 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 22:07:30,907 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 22:07:30,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:07:30,958 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 22:07:30,958 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-21 22:07:30,958 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1340412812] [2023-11-21 22:07:30,959 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1340412812] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-21 22:07:30,959 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-21 22:07:30,959 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-21 22:07:30,960 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [626446767] [2023-11-21 22:07:30,960 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-21 22:07:30,960 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-21 22:07:30,961 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-21 22:07:30,961 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-21 22:07:30,961 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-21 22:07:30,993 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 206 out of 238 [2023-11-21 22:07:30,995 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 200 places, 201 transitions, 410 flow. Second operand has 3 states, 3 states have (on average 207.33333333333334) internal successors, (622), 3 states have internal predecessors, (622), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 22:07:30,995 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-21 22:07:30,995 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 206 of 238 [2023-11-21 22:07:30,995 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-21 22:07:31,063 INFO L124 PetriNetUnfolderBase]: 24/300 cut-off events. [2023-11-21 22:07:31,063 INFO L125 PetriNetUnfolderBase]: For 6/6 co-relation queries the response was YES. [2023-11-21 22:07:31,065 INFO L83 FinitePrefix]: Finished finitePrefix Result has 351 conditions, 300 events. 24/300 cut-off events. For 6/6 co-relation queries the response was YES. Maximal size of possible extension queue 13. Compared 926 event pairs, 9 based on Foata normal form. 0/246 useless extension candidates. Maximal degree in co-relation 315. Up to 42 conditions per place. [2023-11-21 22:07:31,067 INFO L140 encePairwiseOnDemand]: 235/238 looper letters, 15 selfloop transitions, 2 changer transitions 0/200 dead transitions. [2023-11-21 22:07:31,067 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 201 places, 200 transitions, 442 flow [2023-11-21 22:07:31,068 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-21 22:07:31,068 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-21 22:07:31,070 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 636 transitions. [2023-11-21 22:07:31,070 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.8907563025210085 [2023-11-21 22:07:31,071 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 636 transitions. [2023-11-21 22:07:31,071 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 636 transitions. [2023-11-21 22:07:31,071 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-21 22:07:31,072 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 636 transitions. [2023-11-21 22:07:31,074 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 212.0) internal successors, (636), 3 states have internal predecessors, (636), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 22:07:31,076 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 238.0) internal successors, (952), 4 states have internal predecessors, (952), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 22:07:31,077 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 238.0) internal successors, (952), 4 states have internal predecessors, (952), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 22:07:31,078 INFO L175 Difference]: Start difference. First operand has 200 places, 201 transitions, 410 flow. Second operand 3 states and 636 transitions. [2023-11-21 22:07:31,078 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 201 places, 200 transitions, 442 flow [2023-11-21 22:07:31,080 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 199 places, 200 transitions, 438 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-11-21 22:07:31,084 INFO L231 Difference]: Finished difference. Result has 199 places, 200 transitions, 408 flow [2023-11-21 22:07:31,085 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=238, PETRI_DIFFERENCE_MINUEND_FLOW=404, PETRI_DIFFERENCE_MINUEND_PLACES=197, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=200, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=198, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=408, PETRI_PLACES=199, PETRI_TRANSITIONS=200} [2023-11-21 22:07:31,086 INFO L281 CegarLoopForPetriNet]: 213 programPoint places, -14 predicate places. [2023-11-21 22:07:31,086 INFO L495 AbstractCegarLoop]: Abstraction has has 199 places, 200 transitions, 408 flow [2023-11-21 22:07:31,087 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 207.33333333333334) internal successors, (622), 3 states have internal predecessors, (622), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 22:07:31,087 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-21 22:07:31,087 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-21 22:07:31,087 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-11-21 22:07:31,088 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 56 more)] === [2023-11-21 22:07:31,088 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 22:07:31,089 INFO L85 PathProgramCache]: Analyzing trace with hash 1255068621, now seen corresponding path program 1 times [2023-11-21 22:07:31,089 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-21 22:07:31,089 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1464997331] [2023-11-21 22:07:31,089 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 22:07:31,090 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 22:07:31,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:07:31,141 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 22:07:31,142 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-21 22:07:31,142 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1464997331] [2023-11-21 22:07:31,142 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1464997331] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-21 22:07:31,142 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-21 22:07:31,143 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-21 22:07:31,143 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1930462583] [2023-11-21 22:07:31,143 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-21 22:07:31,144 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-21 22:07:31,144 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-21 22:07:31,145 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-21 22:07:31,145 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-21 22:07:31,171 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 208 out of 238 [2023-11-21 22:07:31,173 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 199 places, 200 transitions, 408 flow. Second operand has 3 states, 3 states have (on average 209.33333333333334) internal successors, (628), 3 states have internal predecessors, (628), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 22:07:31,173 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-21 22:07:31,173 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 208 of 238 [2023-11-21 22:07:31,173 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-21 22:07:31,316 INFO L124 PetriNetUnfolderBase]: 23/342 cut-off events. [2023-11-21 22:07:31,317 INFO L125 PetriNetUnfolderBase]: For 4/7 co-relation queries the response was YES. [2023-11-21 22:07:31,319 INFO L83 FinitePrefix]: Finished finitePrefix Result has 391 conditions, 342 events. 23/342 cut-off events. For 4/7 co-relation queries the response was YES. Maximal size of possible extension queue 13. Compared 1120 event pairs, 8 based on Foata normal form. 0/281 useless extension candidates. Maximal degree in co-relation 348. Up to 39 conditions per place. [2023-11-21 22:07:31,321 INFO L140 encePairwiseOnDemand]: 235/238 looper letters, 13 selfloop transitions, 2 changer transitions 0/199 dead transitions. [2023-11-21 22:07:31,321 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 200 places, 199 transitions, 436 flow [2023-11-21 22:07:31,322 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-21 22:07:31,322 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-21 22:07:31,324 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 640 transitions. [2023-11-21 22:07:31,325 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.896358543417367 [2023-11-21 22:07:31,325 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 640 transitions. [2023-11-21 22:07:31,325 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 640 transitions. [2023-11-21 22:07:31,326 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-21 22:07:31,326 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 640 transitions. [2023-11-21 22:07:31,328 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 213.33333333333334) internal successors, (640), 3 states have internal predecessors, (640), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 22:07:31,331 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 238.0) internal successors, (952), 4 states have internal predecessors, (952), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 22:07:31,332 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 238.0) internal successors, (952), 4 states have internal predecessors, (952), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 22:07:31,332 INFO L175 Difference]: Start difference. First operand has 199 places, 200 transitions, 408 flow. Second operand 3 states and 640 transitions. [2023-11-21 22:07:31,332 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 200 places, 199 transitions, 436 flow [2023-11-21 22:07:31,334 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 198 places, 199 transitions, 432 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-11-21 22:07:31,338 INFO L231 Difference]: Finished difference. Result has 198 places, 199 transitions, 406 flow [2023-11-21 22:07:31,338 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=238, PETRI_DIFFERENCE_MINUEND_FLOW=402, PETRI_DIFFERENCE_MINUEND_PLACES=196, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=199, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=197, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=406, PETRI_PLACES=198, PETRI_TRANSITIONS=199} [2023-11-21 22:07:31,339 INFO L281 CegarLoopForPetriNet]: 213 programPoint places, -15 predicate places. [2023-11-21 22:07:31,339 INFO L495 AbstractCegarLoop]: Abstraction has has 198 places, 199 transitions, 406 flow [2023-11-21 22:07:31,340 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 209.33333333333334) internal successors, (628), 3 states have internal predecessors, (628), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 22:07:31,340 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-21 22:07:31,341 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-21 22:07:31,341 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-11-21 22:07:31,341 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 56 more)] === [2023-11-21 22:07:31,342 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 22:07:31,342 INFO L85 PathProgramCache]: Analyzing trace with hash -1062844078, now seen corresponding path program 1 times [2023-11-21 22:07:31,342 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-21 22:07:31,343 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1010547897] [2023-11-21 22:07:31,343 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 22:07:31,343 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 22:07:31,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:07:31,389 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 22:07:31,390 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-21 22:07:31,390 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1010547897] [2023-11-21 22:07:31,390 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1010547897] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-21 22:07:31,391 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-21 22:07:31,391 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-21 22:07:31,391 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [989024088] [2023-11-21 22:07:31,391 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-21 22:07:31,392 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-21 22:07:31,392 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-21 22:07:31,393 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-21 22:07:31,393 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-21 22:07:31,418 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 207 out of 238 [2023-11-21 22:07:31,420 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 198 places, 199 transitions, 406 flow. Second operand has 3 states, 3 states have (on average 208.33333333333334) internal successors, (625), 3 states have internal predecessors, (625), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 22:07:31,420 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-21 22:07:31,420 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 207 of 238 [2023-11-21 22:07:31,420 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-21 22:07:31,490 INFO L124 PetriNetUnfolderBase]: 28/381 cut-off events. [2023-11-21 22:07:31,491 INFO L125 PetriNetUnfolderBase]: For 5/5 co-relation queries the response was YES. [2023-11-21 22:07:31,492 INFO L83 FinitePrefix]: Finished finitePrefix Result has 437 conditions, 381 events. 28/381 cut-off events. For 5/5 co-relation queries the response was YES. Maximal size of possible extension queue 15. Compared 1383 event pairs, 9 based on Foata normal form. 0/314 useless extension candidates. Maximal degree in co-relation 387. Up to 44 conditions per place. [2023-11-21 22:07:31,495 INFO L140 encePairwiseOnDemand]: 235/238 looper letters, 14 selfloop transitions, 2 changer transitions 0/198 dead transitions. [2023-11-21 22:07:31,495 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 199 places, 198 transitions, 436 flow [2023-11-21 22:07:31,495 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-21 22:07:31,496 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-21 22:07:31,497 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 638 transitions. [2023-11-21 22:07:31,498 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.8935574229691877 [2023-11-21 22:07:31,498 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 638 transitions. [2023-11-21 22:07:31,498 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 638 transitions. [2023-11-21 22:07:31,499 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-21 22:07:31,499 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 638 transitions. [2023-11-21 22:07:31,501 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 212.66666666666666) internal successors, (638), 3 states have internal predecessors, (638), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 22:07:31,504 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 238.0) internal successors, (952), 4 states have internal predecessors, (952), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 22:07:31,505 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 238.0) internal successors, (952), 4 states have internal predecessors, (952), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 22:07:31,505 INFO L175 Difference]: Start difference. First operand has 198 places, 199 transitions, 406 flow. Second operand 3 states and 638 transitions. [2023-11-21 22:07:31,505 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 199 places, 198 transitions, 436 flow [2023-11-21 22:07:31,507 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 197 places, 198 transitions, 432 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-11-21 22:07:31,510 INFO L231 Difference]: Finished difference. Result has 197 places, 198 transitions, 404 flow [2023-11-21 22:07:31,511 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=238, PETRI_DIFFERENCE_MINUEND_FLOW=400, PETRI_DIFFERENCE_MINUEND_PLACES=195, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=198, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=196, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=404, PETRI_PLACES=197, PETRI_TRANSITIONS=198} [2023-11-21 22:07:31,512 INFO L281 CegarLoopForPetriNet]: 213 programPoint places, -16 predicate places. [2023-11-21 22:07:31,512 INFO L495 AbstractCegarLoop]: Abstraction has has 197 places, 198 transitions, 404 flow [2023-11-21 22:07:31,513 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 208.33333333333334) internal successors, (625), 3 states have internal predecessors, (625), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 22:07:31,513 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-21 22:07:31,513 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-21 22:07:31,513 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2023-11-21 22:07:31,513 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 56 more)] === [2023-11-21 22:07:31,514 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 22:07:31,514 INFO L85 PathProgramCache]: Analyzing trace with hash -1740707111, now seen corresponding path program 1 times [2023-11-21 22:07:31,514 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-21 22:07:31,515 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1706877407] [2023-11-21 22:07:31,515 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 22:07:31,515 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 22:07:31,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:07:31,557 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 22:07:31,558 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-21 22:07:31,558 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1706877407] [2023-11-21 22:07:31,558 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1706877407] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-21 22:07:31,558 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-21 22:07:31,559 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-21 22:07:31,559 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1784323477] [2023-11-21 22:07:31,559 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-21 22:07:31,560 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-21 22:07:31,560 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-21 22:07:31,561 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-21 22:07:31,561 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-21 22:07:31,581 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 207 out of 238 [2023-11-21 22:07:31,582 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 197 places, 198 transitions, 404 flow. Second operand has 3 states, 3 states have (on average 208.33333333333334) internal successors, (625), 3 states have internal predecessors, (625), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 22:07:31,583 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-21 22:07:31,583 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 207 of 238 [2023-11-21 22:07:31,583 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-21 22:07:31,639 INFO L124 PetriNetUnfolderBase]: 25/298 cut-off events. [2023-11-21 22:07:31,640 INFO L125 PetriNetUnfolderBase]: For 7/8 co-relation queries the response was YES. [2023-11-21 22:07:31,641 INFO L83 FinitePrefix]: Finished finitePrefix Result has 349 conditions, 298 events. 25/298 cut-off events. For 7/8 co-relation queries the response was YES. Maximal size of possible extension queue 16. Compared 865 event pairs, 9 based on Foata normal form. 0/249 useless extension candidates. Maximal degree in co-relation 292. Up to 42 conditions per place. [2023-11-21 22:07:31,643 INFO L140 encePairwiseOnDemand]: 235/238 looper letters, 14 selfloop transitions, 2 changer transitions 0/197 dead transitions. [2023-11-21 22:07:31,643 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 198 places, 197 transitions, 434 flow [2023-11-21 22:07:31,644 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-21 22:07:31,644 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-21 22:07:31,646 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 638 transitions. [2023-11-21 22:07:31,646 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.8935574229691877 [2023-11-21 22:07:31,646 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 638 transitions. [2023-11-21 22:07:31,647 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 638 transitions. [2023-11-21 22:07:31,647 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-21 22:07:31,647 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 638 transitions. [2023-11-21 22:07:31,650 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 212.66666666666666) internal successors, (638), 3 states have internal predecessors, (638), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 22:07:31,652 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 238.0) internal successors, (952), 4 states have internal predecessors, (952), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 22:07:31,653 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 238.0) internal successors, (952), 4 states have internal predecessors, (952), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 22:07:31,653 INFO L175 Difference]: Start difference. First operand has 197 places, 198 transitions, 404 flow. Second operand 3 states and 638 transitions. [2023-11-21 22:07:31,653 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 198 places, 197 transitions, 434 flow [2023-11-21 22:07:31,655 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 196 places, 197 transitions, 430 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-11-21 22:07:31,659 INFO L231 Difference]: Finished difference. Result has 196 places, 197 transitions, 402 flow [2023-11-21 22:07:31,659 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=238, PETRI_DIFFERENCE_MINUEND_FLOW=398, PETRI_DIFFERENCE_MINUEND_PLACES=194, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=197, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=195, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=402, PETRI_PLACES=196, PETRI_TRANSITIONS=197} [2023-11-21 22:07:31,660 INFO L281 CegarLoopForPetriNet]: 213 programPoint places, -17 predicate places. [2023-11-21 22:07:31,660 INFO L495 AbstractCegarLoop]: Abstraction has has 196 places, 197 transitions, 402 flow [2023-11-21 22:07:31,661 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 208.33333333333334) internal successors, (625), 3 states have internal predecessors, (625), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 22:07:31,661 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-21 22:07:31,662 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-21 22:07:31,662 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2023-11-21 22:07:31,662 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 56 more)] === [2023-11-21 22:07:31,663 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 22:07:31,663 INFO L85 PathProgramCache]: Analyzing trace with hash 935006870, now seen corresponding path program 1 times [2023-11-21 22:07:31,663 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-21 22:07:31,663 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [840729137] [2023-11-21 22:07:31,664 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 22:07:31,664 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 22:07:31,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:07:31,708 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 22:07:31,708 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-21 22:07:31,709 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [840729137] [2023-11-21 22:07:31,712 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [840729137] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-21 22:07:31,712 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-21 22:07:31,712 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-21 22:07:31,713 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [124188900] [2023-11-21 22:07:31,713 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-21 22:07:31,713 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-21 22:07:31,715 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-21 22:07:31,715 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-21 22:07:31,716 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-21 22:07:31,736 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 204 out of 238 [2023-11-21 22:07:31,737 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 196 places, 197 transitions, 402 flow. Second operand has 3 states, 3 states have (on average 205.0) internal successors, (615), 3 states have internal predecessors, (615), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 22:07:31,737 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-21 22:07:31,738 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 204 of 238 [2023-11-21 22:07:31,738 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-21 22:07:31,819 INFO L124 PetriNetUnfolderBase]: 28/366 cut-off events. [2023-11-21 22:07:31,819 INFO L125 PetriNetUnfolderBase]: For 7/7 co-relation queries the response was YES. [2023-11-21 22:07:31,821 INFO L83 FinitePrefix]: Finished finitePrefix Result has 419 conditions, 366 events. 28/366 cut-off events. For 7/7 co-relation queries the response was YES. Maximal size of possible extension queue 10. Compared 1048 event pairs, 0 based on Foata normal form. 1/300 useless extension candidates. Maximal degree in co-relation 355. Up to 34 conditions per place. [2023-11-21 22:07:31,823 INFO L140 encePairwiseOnDemand]: 228/238 looper letters, 15 selfloop transitions, 5 changer transitions 5/201 dead transitions. [2023-11-21 22:07:31,823 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 194 places, 201 transitions, 461 flow [2023-11-21 22:07:31,824 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-21 22:07:31,824 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-21 22:07:31,826 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 640 transitions. [2023-11-21 22:07:31,827 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.896358543417367 [2023-11-21 22:07:31,827 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 640 transitions. [2023-11-21 22:07:31,827 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 640 transitions. [2023-11-21 22:07:31,828 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-21 22:07:31,828 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 640 transitions. [2023-11-21 22:07:31,830 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 213.33333333333334) internal successors, (640), 3 states have internal predecessors, (640), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 22:07:31,832 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 238.0) internal successors, (952), 4 states have internal predecessors, (952), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 22:07:31,833 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 238.0) internal successors, (952), 4 states have internal predecessors, (952), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 22:07:31,833 INFO L175 Difference]: Start difference. First operand has 196 places, 197 transitions, 402 flow. Second operand 3 states and 640 transitions. [2023-11-21 22:07:31,833 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 194 places, 201 transitions, 461 flow [2023-11-21 22:07:31,858 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 192 places, 201 transitions, 457 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-11-21 22:07:31,861 INFO L231 Difference]: Finished difference. Result has 193 places, 194 transitions, 414 flow [2023-11-21 22:07:31,862 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=238, PETRI_DIFFERENCE_MINUEND_FLOW=390, PETRI_DIFFERENCE_MINUEND_PLACES=190, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=193, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=188, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=414, PETRI_PLACES=193, PETRI_TRANSITIONS=194} [2023-11-21 22:07:31,862 INFO L281 CegarLoopForPetriNet]: 213 programPoint places, -20 predicate places. [2023-11-21 22:07:31,862 INFO L495 AbstractCegarLoop]: Abstraction has has 193 places, 194 transitions, 414 flow [2023-11-21 22:07:31,863 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 205.0) internal successors, (615), 3 states have internal predecessors, (615), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 22:07:31,863 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-21 22:07:31,864 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-21 22:07:31,864 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2023-11-21 22:07:31,864 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 56 more)] === [2023-11-21 22:07:31,864 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 22:07:31,865 INFO L85 PathProgramCache]: Analyzing trace with hash 893451055, now seen corresponding path program 1 times [2023-11-21 22:07:31,865 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-21 22:07:31,865 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [848270119] [2023-11-21 22:07:31,865 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 22:07:31,865 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 22:07:31,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:07:31,905 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 22:07:31,905 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-21 22:07:31,905 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [848270119] [2023-11-21 22:07:31,906 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [848270119] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-21 22:07:31,906 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-21 22:07:31,906 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-21 22:07:31,906 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1712004957] [2023-11-21 22:07:31,906 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-21 22:07:31,907 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-21 22:07:31,907 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-21 22:07:31,908 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-21 22:07:31,908 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-21 22:07:31,927 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 206 out of 238 [2023-11-21 22:07:31,928 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 193 places, 194 transitions, 414 flow. Second operand has 3 states, 3 states have (on average 207.0) internal successors, (621), 3 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 22:07:31,928 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-21 22:07:31,928 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 206 of 238 [2023-11-21 22:07:31,929 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-21 22:07:32,011 INFO L124 PetriNetUnfolderBase]: 55/428 cut-off events. [2023-11-21 22:07:32,011 INFO L125 PetriNetUnfolderBase]: For 50/52 co-relation queries the response was YES. [2023-11-21 22:07:32,013 INFO L83 FinitePrefix]: Finished finitePrefix Result has 587 conditions, 428 events. 55/428 cut-off events. For 50/52 co-relation queries the response was YES. Maximal size of possible extension queue 15. Compared 1484 event pairs, 12 based on Foata normal form. 0/348 useless extension candidates. Maximal degree in co-relation 329. Up to 75 conditions per place. [2023-11-21 22:07:32,016 INFO L140 encePairwiseOnDemand]: 232/238 looper letters, 20 selfloop transitions, 3 changer transitions 0/195 dead transitions. [2023-11-21 22:07:32,017 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 189 places, 195 transitions, 467 flow [2023-11-21 22:07:32,017 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-21 22:07:32,017 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-21 22:07:32,019 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 640 transitions. [2023-11-21 22:07:32,019 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.896358543417367 [2023-11-21 22:07:32,019 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 640 transitions. [2023-11-21 22:07:32,020 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 640 transitions. [2023-11-21 22:07:32,020 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-21 22:07:32,020 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 640 transitions. [2023-11-21 22:07:32,022 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 213.33333333333334) internal successors, (640), 3 states have internal predecessors, (640), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 22:07:32,024 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 238.0) internal successors, (952), 4 states have internal predecessors, (952), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 22:07:32,025 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 238.0) internal successors, (952), 4 states have internal predecessors, (952), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 22:07:32,025 INFO L175 Difference]: Start difference. First operand has 193 places, 194 transitions, 414 flow. Second operand 3 states and 640 transitions. [2023-11-21 22:07:32,025 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 189 places, 195 transitions, 467 flow [2023-11-21 22:07:32,027 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 188 places, 195 transitions, 462 flow, removed 0 selfloop flow, removed 1 redundant places. [2023-11-21 22:07:32,030 INFO L231 Difference]: Finished difference. Result has 189 places, 192 transitions, 416 flow [2023-11-21 22:07:32,031 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=238, PETRI_DIFFERENCE_MINUEND_FLOW=403, PETRI_DIFFERENCE_MINUEND_PLACES=186, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=191, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=188, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=416, PETRI_PLACES=189, PETRI_TRANSITIONS=192} [2023-11-21 22:07:32,032 INFO L281 CegarLoopForPetriNet]: 213 programPoint places, -24 predicate places. [2023-11-21 22:07:32,032 INFO L495 AbstractCegarLoop]: Abstraction has has 189 places, 192 transitions, 416 flow [2023-11-21 22:07:32,032 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 207.0) internal successors, (621), 3 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 22:07:32,032 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-21 22:07:32,033 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-21 22:07:32,033 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2023-11-21 22:07:32,033 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 56 more)] === [2023-11-21 22:07:32,033 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 22:07:32,033 INFO L85 PathProgramCache]: Analyzing trace with hash 1786054222, now seen corresponding path program 1 times [2023-11-21 22:07:32,034 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-21 22:07:32,034 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [585254244] [2023-11-21 22:07:32,034 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 22:07:32,034 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 22:07:32,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:07:32,110 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 22:07:32,111 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-21 22:07:32,111 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [585254244] [2023-11-21 22:07:32,111 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [585254244] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-21 22:07:32,111 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-21 22:07:32,112 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-21 22:07:32,112 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1181617798] [2023-11-21 22:07:32,112 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-21 22:07:32,112 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-21 22:07:32,113 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-21 22:07:32,113 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-21 22:07:32,113 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-21 22:07:32,139 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 206 out of 238 [2023-11-21 22:07:32,140 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 189 places, 192 transitions, 416 flow. Second operand has 3 states, 3 states have (on average 207.0) internal successors, (621), 3 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 22:07:32,140 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-21 22:07:32,140 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 206 of 238 [2023-11-21 22:07:32,140 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-21 22:07:32,242 INFO L124 PetriNetUnfolderBase]: 71/541 cut-off events. [2023-11-21 22:07:32,242 INFO L125 PetriNetUnfolderBase]: For 73/87 co-relation queries the response was YES. [2023-11-21 22:07:32,245 INFO L83 FinitePrefix]: Finished finitePrefix Result has 724 conditions, 541 events. 71/541 cut-off events. For 73/87 co-relation queries the response was YES. Maximal size of possible extension queue 23. Compared 2422 event pairs, 8 based on Foata normal form. 0/449 useless extension candidates. Maximal degree in co-relation 465. Up to 82 conditions per place. [2023-11-21 22:07:32,249 INFO L140 encePairwiseOnDemand]: 232/238 looper letters, 24 selfloop transitions, 3 changer transitions 0/197 dead transitions. [2023-11-21 22:07:32,250 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 188 places, 197 transitions, 491 flow [2023-11-21 22:07:32,250 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-21 22:07:32,250 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-21 22:07:32,252 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 642 transitions. [2023-11-21 22:07:32,252 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.8991596638655462 [2023-11-21 22:07:32,253 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 642 transitions. [2023-11-21 22:07:32,253 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 642 transitions. [2023-11-21 22:07:32,253 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-21 22:07:32,253 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 642 transitions. [2023-11-21 22:07:32,255 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 214.0) internal successors, (642), 3 states have internal predecessors, (642), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 22:07:32,257 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 238.0) internal successors, (952), 4 states have internal predecessors, (952), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 22:07:32,260 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 238.0) internal successors, (952), 4 states have internal predecessors, (952), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 22:07:32,260 INFO L175 Difference]: Start difference. First operand has 189 places, 192 transitions, 416 flow. Second operand 3 states and 642 transitions. [2023-11-21 22:07:32,260 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 188 places, 197 transitions, 491 flow [2023-11-21 22:07:32,263 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 187 places, 197 transitions, 488 flow, removed 0 selfloop flow, removed 1 redundant places. [2023-11-21 22:07:32,266 INFO L231 Difference]: Finished difference. Result has 188 places, 190 transitions, 420 flow [2023-11-21 22:07:32,266 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=238, PETRI_DIFFERENCE_MINUEND_FLOW=407, PETRI_DIFFERENCE_MINUEND_PLACES=185, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=189, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=186, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=420, PETRI_PLACES=188, PETRI_TRANSITIONS=190} [2023-11-21 22:07:32,268 INFO L281 CegarLoopForPetriNet]: 213 programPoint places, -25 predicate places. [2023-11-21 22:07:32,268 INFO L495 AbstractCegarLoop]: Abstraction has has 188 places, 190 transitions, 420 flow [2023-11-21 22:07:32,269 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 207.0) internal successors, (621), 3 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 22:07:32,269 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-21 22:07:32,269 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-21 22:07:32,269 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2023-11-21 22:07:32,270 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting thread1Err1ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 56 more)] === [2023-11-21 22:07:32,270 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 22:07:32,270 INFO L85 PathProgramCache]: Analyzing trace with hash 1492531029, now seen corresponding path program 1 times [2023-11-21 22:07:32,270 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-21 22:07:32,270 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1656012263] [2023-11-21 22:07:32,271 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 22:07:32,271 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 22:07:32,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:07:32,369 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 22:07:32,369 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-21 22:07:32,370 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1656012263] [2023-11-21 22:07:32,370 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1656012263] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-21 22:07:32,370 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-21 22:07:32,370 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-21 22:07:32,370 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1312678971] [2023-11-21 22:07:32,371 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-21 22:07:32,371 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-21 22:07:32,371 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-21 22:07:32,372 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-21 22:07:32,372 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-21 22:07:32,388 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 210 out of 238 [2023-11-21 22:07:32,389 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 188 places, 190 transitions, 420 flow. Second operand has 3 states, 3 states have (on average 211.33333333333334) internal successors, (634), 3 states have internal predecessors, (634), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 22:07:32,389 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-21 22:07:32,389 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 210 of 238 [2023-11-21 22:07:32,390 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-21 22:07:32,520 INFO L124 PetriNetUnfolderBase]: 70/690 cut-off events. [2023-11-21 22:07:32,520 INFO L125 PetriNetUnfolderBase]: For 56/63 co-relation queries the response was YES. [2023-11-21 22:07:32,523 INFO L83 FinitePrefix]: Finished finitePrefix Result has 906 conditions, 690 events. 70/690 cut-off events. For 56/63 co-relation queries the response was YES. Maximal size of possible extension queue 25. Compared 3583 event pairs, 14 based on Foata normal form. 2/584 useless extension candidates. Maximal degree in co-relation 436. Up to 114 conditions per place. [2023-11-21 22:07:32,526 INFO L140 encePairwiseOnDemand]: 234/238 looper letters, 17 selfloop transitions, 2 changer transitions 0/191 dead transitions. [2023-11-21 22:07:32,527 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 188 places, 191 transitions, 461 flow [2023-11-21 22:07:32,527 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-21 22:07:32,527 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-21 22:07:32,529 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 647 transitions. [2023-11-21 22:07:32,530 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.9061624649859944 [2023-11-21 22:07:32,530 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 647 transitions. [2023-11-21 22:07:32,530 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 647 transitions. [2023-11-21 22:07:32,530 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-21 22:07:32,531 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 647 transitions. [2023-11-21 22:07:32,533 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 215.66666666666666) internal successors, (647), 3 states have internal predecessors, (647), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 22:07:32,535 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 238.0) internal successors, (952), 4 states have internal predecessors, (952), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 22:07:32,535 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 238.0) internal successors, (952), 4 states have internal predecessors, (952), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 22:07:32,535 INFO L175 Difference]: Start difference. First operand has 188 places, 190 transitions, 420 flow. Second operand 3 states and 647 transitions. [2023-11-21 22:07:32,536 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 188 places, 191 transitions, 461 flow [2023-11-21 22:07:32,538 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 187 places, 191 transitions, 458 flow, removed 0 selfloop flow, removed 1 redundant places. [2023-11-21 22:07:32,541 INFO L231 Difference]: Finished difference. Result has 188 places, 190 transitions, 427 flow [2023-11-21 22:07:32,542 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=238, PETRI_DIFFERENCE_MINUEND_FLOW=413, PETRI_DIFFERENCE_MINUEND_PLACES=185, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=188, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=186, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=427, PETRI_PLACES=188, PETRI_TRANSITIONS=190} [2023-11-21 22:07:32,543 INFO L281 CegarLoopForPetriNet]: 213 programPoint places, -25 predicate places. [2023-11-21 22:07:32,543 INFO L495 AbstractCegarLoop]: Abstraction has has 188 places, 190 transitions, 427 flow [2023-11-21 22:07:32,543 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 211.33333333333334) internal successors, (634), 3 states have internal predecessors, (634), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 22:07:32,544 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-21 22:07:32,544 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-21 22:07:32,544 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2023-11-21 22:07:32,544 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting thread1Err2ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 56 more)] === [2023-11-21 22:07:32,545 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 22:07:32,545 INFO L85 PathProgramCache]: Analyzing trace with hash -1803908897, now seen corresponding path program 1 times [2023-11-21 22:07:32,545 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-21 22:07:32,545 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1694770683] [2023-11-21 22:07:32,546 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 22:07:32,546 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 22:07:32,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:07:32,602 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 22:07:32,603 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-21 22:07:32,603 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1694770683] [2023-11-21 22:07:32,603 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1694770683] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-21 22:07:32,603 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-21 22:07:32,604 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-21 22:07:32,604 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [774147662] [2023-11-21 22:07:32,604 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-21 22:07:32,605 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-21 22:07:32,605 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-21 22:07:32,605 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-21 22:07:32,606 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-21 22:07:32,630 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 209 out of 238 [2023-11-21 22:07:32,631 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 188 places, 190 transitions, 427 flow. Second operand has 3 states, 3 states have (on average 210.33333333333334) internal successors, (631), 3 states have internal predecessors, (631), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 22:07:32,631 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-21 22:07:32,631 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 209 of 238 [2023-11-21 22:07:32,631 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-21 22:07:32,733 INFO L124 PetriNetUnfolderBase]: 73/550 cut-off events. [2023-11-21 22:07:32,733 INFO L125 PetriNetUnfolderBase]: For 59/77 co-relation queries the response was YES. [2023-11-21 22:07:32,736 INFO L83 FinitePrefix]: Finished finitePrefix Result has 783 conditions, 550 events. 73/550 cut-off events. For 59/77 co-relation queries the response was YES. Maximal size of possible extension queue 21. Compared 2449 event pairs, 6 based on Foata normal form. 4/481 useless extension candidates. Maximal degree in co-relation 416. Up to 80 conditions per place. [2023-11-21 22:07:32,740 INFO L140 encePairwiseOnDemand]: 234/238 looper letters, 20 selfloop transitions, 2 changer transitions 0/193 dead transitions. [2023-11-21 22:07:32,740 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 188 places, 193 transitions, 486 flow [2023-11-21 22:07:32,740 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-21 22:07:32,741 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-21 22:07:32,743 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 645 transitions. [2023-11-21 22:07:32,743 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.9033613445378151 [2023-11-21 22:07:32,744 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 645 transitions. [2023-11-21 22:07:32,744 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 645 transitions. [2023-11-21 22:07:32,744 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-21 22:07:32,745 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 645 transitions. [2023-11-21 22:07:32,747 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 215.0) internal successors, (645), 3 states have internal predecessors, (645), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 22:07:32,749 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 238.0) internal successors, (952), 4 states have internal predecessors, (952), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 22:07:32,750 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 238.0) internal successors, (952), 4 states have internal predecessors, (952), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 22:07:32,750 INFO L175 Difference]: Start difference. First operand has 188 places, 190 transitions, 427 flow. Second operand 3 states and 645 transitions. [2023-11-21 22:07:32,750 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 188 places, 193 transitions, 486 flow [2023-11-21 22:07:32,753 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 188 places, 193 transitions, 486 flow, removed 0 selfloop flow, removed 0 redundant places. [2023-11-21 22:07:32,756 INFO L231 Difference]: Finished difference. Result has 188 places, 188 transitions, 427 flow [2023-11-21 22:07:32,757 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=238, PETRI_DIFFERENCE_MINUEND_FLOW=423, PETRI_DIFFERENCE_MINUEND_PLACES=186, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=188, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=186, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=427, PETRI_PLACES=188, PETRI_TRANSITIONS=188} [2023-11-21 22:07:32,758 INFO L281 CegarLoopForPetriNet]: 213 programPoint places, -25 predicate places. [2023-11-21 22:07:32,758 INFO L495 AbstractCegarLoop]: Abstraction has has 188 places, 188 transitions, 427 flow [2023-11-21 22:07:32,759 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 210.33333333333334) internal successors, (631), 3 states have internal predecessors, (631), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 22:07:32,759 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-21 22:07:32,759 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-21 22:07:32,759 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2023-11-21 22:07:32,760 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr11ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 56 more)] === [2023-11-21 22:07:32,760 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 22:07:32,760 INFO L85 PathProgramCache]: Analyzing trace with hash -1237490563, now seen corresponding path program 1 times [2023-11-21 22:07:32,761 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-21 22:07:32,761 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1893950359] [2023-11-21 22:07:32,761 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 22:07:32,761 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 22:07:32,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:07:33,343 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 22:07:33,344 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-21 22:07:33,344 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1893950359] [2023-11-21 22:07:33,344 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1893950359] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-21 22:07:33,344 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-21 22:07:33,345 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-21 22:07:33,345 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [961431178] [2023-11-21 22:07:33,345 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-21 22:07:33,346 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-21 22:07:33,346 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-21 22:07:33,347 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-21 22:07:33,347 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-11-21 22:07:33,464 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 207 out of 238 [2023-11-21 22:07:33,466 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 188 places, 188 transitions, 427 flow. Second operand has 6 states, 6 states have (on average 208.5) internal successors, (1251), 6 states have internal predecessors, (1251), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 22:07:33,466 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-21 22:07:33,466 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 207 of 238 [2023-11-21 22:07:33,466 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-21 22:07:33,652 INFO L124 PetriNetUnfolderBase]: 162/778 cut-off events. [2023-11-21 22:07:33,652 INFO L125 PetriNetUnfolderBase]: For 150/162 co-relation queries the response was YES. [2023-11-21 22:07:33,656 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1209 conditions, 778 events. 162/778 cut-off events. For 150/162 co-relation queries the response was YES. Maximal size of possible extension queue 32. Compared 3809 event pairs, 3 based on Foata normal form. 8/677 useless extension candidates. Maximal degree in co-relation 752. Up to 155 conditions per place. [2023-11-21 22:07:33,662 INFO L140 encePairwiseOnDemand]: 233/238 looper letters, 46 selfloop transitions, 4 changer transitions 0/219 dead transitions. [2023-11-21 22:07:33,663 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 192 places, 219 transitions, 653 flow [2023-11-21 22:07:33,663 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-21 22:07:33,663 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-11-21 22:07:33,667 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1273 transitions. [2023-11-21 22:07:33,668 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.8914565826330533 [2023-11-21 22:07:33,668 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 1273 transitions. [2023-11-21 22:07:33,668 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 1273 transitions. [2023-11-21 22:07:33,669 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-21 22:07:33,669 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 1273 transitions. [2023-11-21 22:07:33,673 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 212.16666666666666) internal successors, (1273), 6 states have internal predecessors, (1273), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 22:07:33,677 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 238.0) internal successors, (1666), 7 states have internal predecessors, (1666), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 22:07:33,678 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 238.0) internal successors, (1666), 7 states have internal predecessors, (1666), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 22:07:33,678 INFO L175 Difference]: Start difference. First operand has 188 places, 188 transitions, 427 flow. Second operand 6 states and 1273 transitions. [2023-11-21 22:07:33,678 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 192 places, 219 transitions, 653 flow [2023-11-21 22:07:33,681 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 190 places, 219 transitions, 649 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-11-21 22:07:33,685 INFO L231 Difference]: Finished difference. Result has 190 places, 187 transitions, 429 flow [2023-11-21 22:07:33,685 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=238, PETRI_DIFFERENCE_MINUEND_FLOW=421, PETRI_DIFFERENCE_MINUEND_PLACES=185, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=187, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=183, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=429, PETRI_PLACES=190, PETRI_TRANSITIONS=187} [2023-11-21 22:07:33,686 INFO L281 CegarLoopForPetriNet]: 213 programPoint places, -23 predicate places. [2023-11-21 22:07:33,686 INFO L495 AbstractCegarLoop]: Abstraction has has 190 places, 187 transitions, 429 flow [2023-11-21 22:07:33,687 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 208.5) internal successors, (1251), 6 states have internal predecessors, (1251), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 22:07:33,687 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-21 22:07:33,687 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-21 22:07:33,688 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2023-11-21 22:07:33,688 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting thread2Err2ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 56 more)] === [2023-11-21 22:07:33,688 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 22:07:33,689 INFO L85 PathProgramCache]: Analyzing trace with hash -580871075, now seen corresponding path program 1 times [2023-11-21 22:07:33,689 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-21 22:07:33,689 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [551091176] [2023-11-21 22:07:33,689 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 22:07:33,689 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 22:07:33,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:07:33,734 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 22:07:33,734 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-21 22:07:33,734 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [551091176] [2023-11-21 22:07:33,734 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [551091176] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-21 22:07:33,735 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-21 22:07:33,735 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-21 22:07:33,735 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [107591176] [2023-11-21 22:07:33,735 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-21 22:07:33,736 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-21 22:07:33,736 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-21 22:07:33,736 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-21 22:07:33,737 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-21 22:07:33,757 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 209 out of 238 [2023-11-21 22:07:33,758 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 190 places, 187 transitions, 429 flow. Second operand has 3 states, 3 states have (on average 210.66666666666666) internal successors, (632), 3 states have internal predecessors, (632), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 22:07:33,758 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-21 22:07:33,758 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 209 of 238 [2023-11-21 22:07:33,758 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-21 22:07:33,845 INFO L124 PetriNetUnfolderBase]: 58/485 cut-off events. [2023-11-21 22:07:33,846 INFO L125 PetriNetUnfolderBase]: For 56/59 co-relation queries the response was YES. [2023-11-21 22:07:33,848 INFO L83 FinitePrefix]: Finished finitePrefix Result has 689 conditions, 485 events. 58/485 cut-off events. For 56/59 co-relation queries the response was YES. Maximal size of possible extension queue 21. Compared 2039 event pairs, 4 based on Foata normal form. 1/437 useless extension candidates. Maximal degree in co-relation 532. Up to 58 conditions per place. [2023-11-21 22:07:33,851 INFO L140 encePairwiseOnDemand]: 234/238 looper letters, 20 selfloop transitions, 2 changer transitions 0/190 dead transitions. [2023-11-21 22:07:33,851 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 190 places, 190 transitions, 488 flow [2023-11-21 22:07:33,852 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-21 22:07:33,852 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-21 22:07:33,853 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 645 transitions. [2023-11-21 22:07:33,854 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.9033613445378151 [2023-11-21 22:07:33,854 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 645 transitions. [2023-11-21 22:07:33,854 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 645 transitions. [2023-11-21 22:07:33,855 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-21 22:07:33,855 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 645 transitions. [2023-11-21 22:07:33,857 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 215.0) internal successors, (645), 3 states have internal predecessors, (645), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 22:07:33,859 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 238.0) internal successors, (952), 4 states have internal predecessors, (952), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 22:07:33,860 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 238.0) internal successors, (952), 4 states have internal predecessors, (952), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 22:07:33,860 INFO L175 Difference]: Start difference. First operand has 190 places, 187 transitions, 429 flow. Second operand 3 states and 645 transitions. [2023-11-21 22:07:33,860 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 190 places, 190 transitions, 488 flow [2023-11-21 22:07:33,863 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 186 places, 190 transitions, 481 flow, removed 0 selfloop flow, removed 4 redundant places. [2023-11-21 22:07:33,866 INFO L231 Difference]: Finished difference. Result has 186 places, 185 transitions, 422 flow [2023-11-21 22:07:33,866 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=238, PETRI_DIFFERENCE_MINUEND_FLOW=418, PETRI_DIFFERENCE_MINUEND_PLACES=184, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=185, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=183, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=422, PETRI_PLACES=186, PETRI_TRANSITIONS=185} [2023-11-21 22:07:33,867 INFO L281 CegarLoopForPetriNet]: 213 programPoint places, -27 predicate places. [2023-11-21 22:07:33,867 INFO L495 AbstractCegarLoop]: Abstraction has has 186 places, 185 transitions, 422 flow [2023-11-21 22:07:33,868 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 210.66666666666666) internal successors, (632), 3 states have internal predecessors, (632), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 22:07:33,868 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-21 22:07:33,869 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-21 22:07:33,869 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2023-11-21 22:07:33,869 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting thread1Err8ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 56 more)] === [2023-11-21 22:07:33,869 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 22:07:33,870 INFO L85 PathProgramCache]: Analyzing trace with hash 252837706, now seen corresponding path program 1 times [2023-11-21 22:07:33,870 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-21 22:07:33,870 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [990289295] [2023-11-21 22:07:33,870 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 22:07:33,870 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 22:07:33,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:07:33,912 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 22:07:33,913 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-21 22:07:33,913 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [990289295] [2023-11-21 22:07:33,913 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [990289295] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-21 22:07:33,913 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-21 22:07:33,913 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-21 22:07:33,914 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1523115805] [2023-11-21 22:07:33,914 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-21 22:07:33,914 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-21 22:07:33,915 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-21 22:07:33,915 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-21 22:07:33,915 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-21 22:07:33,938 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 209 out of 238 [2023-11-21 22:07:33,939 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 186 places, 185 transitions, 422 flow. Second operand has 3 states, 3 states have (on average 211.66666666666666) internal successors, (635), 3 states have internal predecessors, (635), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 22:07:33,939 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-21 22:07:33,940 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 209 of 238 [2023-11-21 22:07:33,940 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-21 22:07:34,042 INFO L124 PetriNetUnfolderBase]: 68/607 cut-off events. [2023-11-21 22:07:34,042 INFO L125 PetriNetUnfolderBase]: For 51/51 co-relation queries the response was YES. [2023-11-21 22:07:34,045 INFO L83 FinitePrefix]: Finished finitePrefix Result has 856 conditions, 607 events. 68/607 cut-off events. For 51/51 co-relation queries the response was YES. Maximal size of possible extension queue 24. Compared 2969 event pairs, 18 based on Foata normal form. 0/549 useless extension candidates. Maximal degree in co-relation 571. Up to 91 conditions per place. [2023-11-21 22:07:34,048 INFO L140 encePairwiseOnDemand]: 235/238 looper letters, 19 selfloop transitions, 2 changer transitions 0/187 dead transitions. [2023-11-21 22:07:34,049 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 187 places, 187 transitions, 473 flow [2023-11-21 22:07:34,049 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-21 22:07:34,049 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-21 22:07:34,051 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 645 transitions. [2023-11-21 22:07:34,052 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.9033613445378151 [2023-11-21 22:07:34,052 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 645 transitions. [2023-11-21 22:07:34,052 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 645 transitions. [2023-11-21 22:07:34,053 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-21 22:07:34,053 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 645 transitions. [2023-11-21 22:07:34,055 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 215.0) internal successors, (645), 3 states have internal predecessors, (645), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 22:07:34,057 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 238.0) internal successors, (952), 4 states have internal predecessors, (952), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 22:07:34,058 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 238.0) internal successors, (952), 4 states have internal predecessors, (952), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 22:07:34,058 INFO L175 Difference]: Start difference. First operand has 186 places, 185 transitions, 422 flow. Second operand 3 states and 645 transitions. [2023-11-21 22:07:34,058 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 187 places, 187 transitions, 473 flow [2023-11-21 22:07:34,061 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 185 places, 187 transitions, 469 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-11-21 22:07:34,064 INFO L231 Difference]: Finished difference. Result has 185 places, 184 transitions, 420 flow [2023-11-21 22:07:34,064 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=238, PETRI_DIFFERENCE_MINUEND_FLOW=416, PETRI_DIFFERENCE_MINUEND_PLACES=183, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=184, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=182, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=420, PETRI_PLACES=185, PETRI_TRANSITIONS=184} [2023-11-21 22:07:34,065 INFO L281 CegarLoopForPetriNet]: 213 programPoint places, -28 predicate places. [2023-11-21 22:07:34,065 INFO L495 AbstractCegarLoop]: Abstraction has has 185 places, 184 transitions, 420 flow [2023-11-21 22:07:34,066 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 211.66666666666666) internal successors, (635), 3 states have internal predecessors, (635), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 22:07:34,066 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-21 22:07:34,066 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-21 22:07:34,067 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2023-11-21 22:07:34,067 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting thread2Err8ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 56 more)] === [2023-11-21 22:07:34,067 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 22:07:34,067 INFO L85 PathProgramCache]: Analyzing trace with hash -1053509048, now seen corresponding path program 1 times [2023-11-21 22:07:34,068 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-21 22:07:34,068 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1864555111] [2023-11-21 22:07:34,068 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 22:07:34,068 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 22:07:34,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:07:34,115 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 22:07:34,116 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-21 22:07:34,116 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1864555111] [2023-11-21 22:07:34,116 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1864555111] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-21 22:07:34,116 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-21 22:07:34,116 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-21 22:07:34,117 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1333319090] [2023-11-21 22:07:34,117 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-21 22:07:34,117 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-21 22:07:34,118 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-21 22:07:34,118 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-21 22:07:34,118 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-21 22:07:34,135 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 209 out of 238 [2023-11-21 22:07:34,136 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 185 places, 184 transitions, 420 flow. Second operand has 3 states, 3 states have (on average 212.0) internal successors, (636), 3 states have internal predecessors, (636), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 22:07:34,137 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-21 22:07:34,137 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 209 of 238 [2023-11-21 22:07:34,137 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-21 22:07:34,231 INFO L124 PetriNetUnfolderBase]: 58/479 cut-off events. [2023-11-21 22:07:34,232 INFO L125 PetriNetUnfolderBase]: For 56/59 co-relation queries the response was YES. [2023-11-21 22:07:34,234 INFO L83 FinitePrefix]: Finished finitePrefix Result has 676 conditions, 479 events. 58/479 cut-off events. For 56/59 co-relation queries the response was YES. Maximal size of possible extension queue 22. Compared 2016 event pairs, 10 based on Foata normal form. 0/436 useless extension candidates. Maximal degree in co-relation 526. Up to 80 conditions per place. [2023-11-21 22:07:34,236 INFO L140 encePairwiseOnDemand]: 235/238 looper letters, 19 selfloop transitions, 2 changer transitions 0/186 dead transitions. [2023-11-21 22:07:34,237 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 186 places, 186 transitions, 471 flow [2023-11-21 22:07:34,237 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-21 22:07:34,237 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-21 22:07:34,239 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 645 transitions. [2023-11-21 22:07:34,240 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.9033613445378151 [2023-11-21 22:07:34,240 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 645 transitions. [2023-11-21 22:07:34,240 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 645 transitions. [2023-11-21 22:07:34,241 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-21 22:07:34,241 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 645 transitions. [2023-11-21 22:07:34,243 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 215.0) internal successors, (645), 3 states have internal predecessors, (645), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 22:07:34,245 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 238.0) internal successors, (952), 4 states have internal predecessors, (952), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 22:07:34,246 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 238.0) internal successors, (952), 4 states have internal predecessors, (952), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 22:07:34,246 INFO L175 Difference]: Start difference. First operand has 185 places, 184 transitions, 420 flow. Second operand 3 states and 645 transitions. [2023-11-21 22:07:34,246 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 186 places, 186 transitions, 471 flow [2023-11-21 22:07:34,248 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 184 places, 186 transitions, 467 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-11-21 22:07:34,251 INFO L231 Difference]: Finished difference. Result has 184 places, 183 transitions, 418 flow [2023-11-21 22:07:34,252 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=238, PETRI_DIFFERENCE_MINUEND_FLOW=414, PETRI_DIFFERENCE_MINUEND_PLACES=182, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=183, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=181, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=418, PETRI_PLACES=184, PETRI_TRANSITIONS=183} [2023-11-21 22:07:34,252 INFO L281 CegarLoopForPetriNet]: 213 programPoint places, -29 predicate places. [2023-11-21 22:07:34,253 INFO L495 AbstractCegarLoop]: Abstraction has has 184 places, 183 transitions, 418 flow [2023-11-21 22:07:34,253 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 212.0) internal successors, (636), 3 states have internal predecessors, (636), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 22:07:34,253 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-21 22:07:34,254 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-21 22:07:34,254 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2023-11-21 22:07:34,254 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting thread1Err10ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 56 more)] === [2023-11-21 22:07:34,254 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 22:07:34,255 INFO L85 PathProgramCache]: Analyzing trace with hash -1057703761, now seen corresponding path program 1 times [2023-11-21 22:07:34,255 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-21 22:07:34,255 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1704778519] [2023-11-21 22:07:34,255 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 22:07:34,255 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 22:07:34,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:07:34,304 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 22:07:34,304 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-21 22:07:34,304 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1704778519] [2023-11-21 22:07:34,306 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1704778519] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-21 22:07:34,306 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-21 22:07:34,307 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-21 22:07:34,307 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1763432661] [2023-11-21 22:07:34,307 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-21 22:07:34,308 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-21 22:07:34,309 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-21 22:07:34,309 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-21 22:07:34,309 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-21 22:07:34,338 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 208 out of 238 [2023-11-21 22:07:34,339 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 184 places, 183 transitions, 418 flow. Second operand has 3 states, 3 states have (on average 211.0) internal successors, (633), 3 states have internal predecessors, (633), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 22:07:34,339 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-21 22:07:34,339 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 208 of 238 [2023-11-21 22:07:34,339 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-21 22:07:34,443 INFO L124 PetriNetUnfolderBase]: 78/601 cut-off events. [2023-11-21 22:07:34,444 INFO L125 PetriNetUnfolderBase]: For 70/76 co-relation queries the response was YES. [2023-11-21 22:07:34,447 INFO L83 FinitePrefix]: Finished finitePrefix Result has 877 conditions, 601 events. 78/601 cut-off events. For 70/76 co-relation queries the response was YES. Maximal size of possible extension queue 20. Compared 2646 event pairs, 18 based on Foata normal form. 0/547 useless extension candidates. Maximal degree in co-relation 679. Up to 101 conditions per place. [2023-11-21 22:07:34,450 INFO L140 encePairwiseOnDemand]: 235/238 looper letters, 21 selfloop transitions, 2 changer transitions 0/185 dead transitions. [2023-11-21 22:07:34,450 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 185 places, 185 transitions, 473 flow [2023-11-21 22:07:34,451 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-21 22:07:34,451 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-21 22:07:34,453 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 643 transitions. [2023-11-21 22:07:34,453 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.9005602240896359 [2023-11-21 22:07:34,454 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 643 transitions. [2023-11-21 22:07:34,454 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 643 transitions. [2023-11-21 22:07:34,454 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-21 22:07:34,455 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 643 transitions. [2023-11-21 22:07:34,457 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 214.33333333333334) internal successors, (643), 3 states have internal predecessors, (643), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 22:07:34,459 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 238.0) internal successors, (952), 4 states have internal predecessors, (952), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 22:07:34,469 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 238.0) internal successors, (952), 4 states have internal predecessors, (952), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 22:07:34,477 INFO L175 Difference]: Start difference. First operand has 184 places, 183 transitions, 418 flow. Second operand 3 states and 643 transitions. [2023-11-21 22:07:34,477 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 185 places, 185 transitions, 473 flow [2023-11-21 22:07:34,480 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 183 places, 185 transitions, 469 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-11-21 22:07:34,483 INFO L231 Difference]: Finished difference. Result has 183 places, 182 transitions, 416 flow [2023-11-21 22:07:34,485 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=238, PETRI_DIFFERENCE_MINUEND_FLOW=412, PETRI_DIFFERENCE_MINUEND_PLACES=181, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=182, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=180, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=416, PETRI_PLACES=183, PETRI_TRANSITIONS=182} [2023-11-21 22:07:34,486 INFO L281 CegarLoopForPetriNet]: 213 programPoint places, -30 predicate places. [2023-11-21 22:07:34,486 INFO L495 AbstractCegarLoop]: Abstraction has has 183 places, 182 transitions, 416 flow [2023-11-21 22:07:34,488 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 211.0) internal successors, (633), 3 states have internal predecessors, (633), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 22:07:34,488 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-21 22:07:34,488 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-21 22:07:34,488 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2023-11-21 22:07:34,488 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr12ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 56 more)] === [2023-11-21 22:07:34,489 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 22:07:34,489 INFO L85 PathProgramCache]: Analyzing trace with hash 428800935, now seen corresponding path program 1 times [2023-11-21 22:07:34,489 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-21 22:07:34,489 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [176817371] [2023-11-21 22:07:34,490 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 22:07:34,490 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 22:07:34,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:07:35,422 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 22:07:35,424 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-21 22:07:35,424 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [176817371] [2023-11-21 22:07:35,424 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [176817371] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-21 22:07:35,424 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-21 22:07:35,425 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-21 22:07:35,425 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2003186548] [2023-11-21 22:07:35,425 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-21 22:07:35,426 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-21 22:07:35,426 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-21 22:07:35,426 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-21 22:07:35,427 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-11-21 22:07:35,564 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 207 out of 238 [2023-11-21 22:07:35,566 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 183 places, 182 transitions, 416 flow. Second operand has 6 states, 6 states have (on average 208.66666666666666) internal successors, (1252), 6 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) [2023-11-21 22:07:35,566 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-21 22:07:35,566 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 207 of 238 [2023-11-21 22:07:35,567 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-21 22:07:35,691 INFO L124 PetriNetUnfolderBase]: 56/445 cut-off events. [2023-11-21 22:07:35,692 INFO L125 PetriNetUnfolderBase]: For 57/59 co-relation queries the response was YES. [2023-11-21 22:07:35,694 INFO L83 FinitePrefix]: Finished finitePrefix Result has 642 conditions, 445 events. 56/445 cut-off events. For 57/59 co-relation queries the response was YES. Maximal size of possible extension queue 16. Compared 1661 event pairs, 4 based on Foata normal form. 0/412 useless extension candidates. Maximal degree in co-relation 486. Up to 53 conditions per place. [2023-11-21 22:07:35,696 INFO L140 encePairwiseOnDemand]: 233/238 looper letters, 30 selfloop transitions, 4 changer transitions 0/197 dead transitions. [2023-11-21 22:07:35,696 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 187 places, 197 transitions, 546 flow [2023-11-21 22:07:35,697 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-21 22:07:35,697 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-11-21 22:07:35,700 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1265 transitions. [2023-11-21 22:07:35,701 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.8858543417366946 [2023-11-21 22:07:35,701 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 1265 transitions. [2023-11-21 22:07:35,701 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 1265 transitions. [2023-11-21 22:07:35,702 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-21 22:07:35,703 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 1265 transitions. [2023-11-21 22:07:35,706 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 210.83333333333334) internal successors, (1265), 6 states have internal predecessors, (1265), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 22:07:35,709 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 238.0) internal successors, (1666), 7 states have internal predecessors, (1666), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 22:07:35,710 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 238.0) internal successors, (1666), 7 states have internal predecessors, (1666), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 22:07:35,711 INFO L175 Difference]: Start difference. First operand has 183 places, 182 transitions, 416 flow. Second operand 6 states and 1265 transitions. [2023-11-21 22:07:35,711 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 187 places, 197 transitions, 546 flow [2023-11-21 22:07:35,713 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 185 places, 197 transitions, 542 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-11-21 22:07:35,716 INFO L231 Difference]: Finished difference. Result has 185 places, 181 transitions, 418 flow [2023-11-21 22:07:35,717 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=238, PETRI_DIFFERENCE_MINUEND_FLOW=410, PETRI_DIFFERENCE_MINUEND_PLACES=180, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=181, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=177, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=418, PETRI_PLACES=185, PETRI_TRANSITIONS=181} [2023-11-21 22:07:35,717 INFO L281 CegarLoopForPetriNet]: 213 programPoint places, -28 predicate places. [2023-11-21 22:07:35,717 INFO L495 AbstractCegarLoop]: Abstraction has has 185 places, 181 transitions, 418 flow [2023-11-21 22:07:35,718 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 208.66666666666666) internal successors, (1252), 6 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) [2023-11-21 22:07:35,718 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-21 22:07:35,718 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-21 22:07:35,719 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2023-11-21 22:07:35,719 INFO L420 AbstractCegarLoop]: === Iteration 18 === Targeting thread2Err10ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 56 more)] === [2023-11-21 22:07:35,719 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 22:07:35,719 INFO L85 PathProgramCache]: Analyzing trace with hash -1493918931, now seen corresponding path program 1 times [2023-11-21 22:07:35,720 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-21 22:07:35,720 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [688612479] [2023-11-21 22:07:35,720 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 22:07:35,720 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 22:07:35,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:07:35,769 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 22:07:35,769 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-21 22:07:35,769 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [688612479] [2023-11-21 22:07:35,770 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [688612479] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-21 22:07:35,770 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-21 22:07:35,770 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-21 22:07:35,770 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [428658400] [2023-11-21 22:07:35,770 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-21 22:07:35,771 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-21 22:07:35,771 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-21 22:07:35,772 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-21 22:07:35,772 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-21 22:07:35,798 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 208 out of 238 [2023-11-21 22:07:35,799 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 185 places, 181 transitions, 418 flow. Second operand has 3 states, 3 states have (on average 211.0) internal successors, (633), 3 states have internal predecessors, (633), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 22:07:35,799 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-21 22:07:35,799 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 208 of 238 [2023-11-21 22:07:35,799 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-21 22:07:35,880 INFO L124 PetriNetUnfolderBase]: 63/482 cut-off events. [2023-11-21 22:07:35,881 INFO L125 PetriNetUnfolderBase]: For 68/70 co-relation queries the response was YES. [2023-11-21 22:07:35,883 INFO L83 FinitePrefix]: Finished finitePrefix Result has 705 conditions, 482 events. 63/482 cut-off events. For 68/70 co-relation queries the response was YES. Maximal size of possible extension queue 18. Compared 1978 event pairs, 10 based on Foata normal form. 0/442 useless extension candidates. Maximal degree in co-relation 662. Up to 87 conditions per place. [2023-11-21 22:07:35,884 INFO L140 encePairwiseOnDemand]: 235/238 looper letters, 0 selfloop transitions, 0 changer transitions 183/183 dead transitions. [2023-11-21 22:07:35,884 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 186 places, 183 transitions, 473 flow [2023-11-21 22:07:35,884 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-21 22:07:35,884 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-21 22:07:35,886 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 643 transitions. [2023-11-21 22:07:35,887 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.9005602240896359 [2023-11-21 22:07:35,887 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 643 transitions. [2023-11-21 22:07:35,887 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 643 transitions. [2023-11-21 22:07:35,888 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-21 22:07:35,888 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 643 transitions. [2023-11-21 22:07:35,889 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 214.33333333333334) internal successors, (643), 3 states have internal predecessors, (643), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 22:07:35,891 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 238.0) internal successors, (952), 4 states have internal predecessors, (952), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 22:07:35,892 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 238.0) internal successors, (952), 4 states have internal predecessors, (952), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 22:07:35,892 INFO L175 Difference]: Start difference. First operand has 185 places, 181 transitions, 418 flow. Second operand 3 states and 643 transitions. [2023-11-21 22:07:35,892 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 186 places, 183 transitions, 473 flow [2023-11-21 22:07:35,894 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 182 places, 183 transitions, 466 flow, removed 0 selfloop flow, removed 4 redundant places. [2023-11-21 22:07:35,896 INFO L231 Difference]: Finished difference. Result has 182 places, 0 transitions, 0 flow [2023-11-21 22:07:35,896 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=238, PETRI_DIFFERENCE_MINUEND_FLOW=409, PETRI_DIFFERENCE_MINUEND_PLACES=180, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=180, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=180, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=0, PETRI_PLACES=182, PETRI_TRANSITIONS=0} [2023-11-21 22:07:35,897 INFO L281 CegarLoopForPetriNet]: 213 programPoint places, -31 predicate places. [2023-11-21 22:07:35,897 INFO L495 AbstractCegarLoop]: Abstraction has has 182 places, 0 transitions, 0 flow [2023-11-21 22:07:35,897 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 211.0) internal successors, (633), 3 states have internal predecessors, (633), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 22:07:35,900 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (59 of 60 remaining) [2023-11-21 22:07:35,900 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE (58 of 60 remaining) [2023-11-21 22:07:35,904 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err2ASSERT_VIOLATIONDATA_RACE (57 of 60 remaining) [2023-11-21 22:07:35,904 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err3ASSERT_VIOLATIONDATA_RACE (56 of 60 remaining) [2023-11-21 22:07:35,904 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err4ASSERT_VIOLATIONDATA_RACE (55 of 60 remaining) [2023-11-21 22:07:35,905 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err5ASSERT_VIOLATIONDATA_RACE (54 of 60 remaining) [2023-11-21 22:07:35,905 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err6ASSERT_VIOLATIONDATA_RACE (53 of 60 remaining) [2023-11-21 22:07:35,905 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err7ASSERT_VIOLATIONDATA_RACE (52 of 60 remaining) [2023-11-21 22:07:35,905 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err8ASSERT_VIOLATIONDATA_RACE (51 of 60 remaining) [2023-11-21 22:07:35,905 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err9ASSERT_VIOLATIONDATA_RACE (50 of 60 remaining) [2023-11-21 22:07:35,905 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err10ASSERT_VIOLATIONDATA_RACE (49 of 60 remaining) [2023-11-21 22:07:35,905 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (48 of 60 remaining) [2023-11-21 22:07:35,906 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (47 of 60 remaining) [2023-11-21 22:07:35,906 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err2ASSERT_VIOLATIONDATA_RACE (46 of 60 remaining) [2023-11-21 22:07:35,906 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err3ASSERT_VIOLATIONDATA_RACE (45 of 60 remaining) [2023-11-21 22:07:35,906 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err4ASSERT_VIOLATIONDATA_RACE (44 of 60 remaining) [2023-11-21 22:07:35,906 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err5ASSERT_VIOLATIONDATA_RACE (43 of 60 remaining) [2023-11-21 22:07:35,906 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err6ASSERT_VIOLATIONDATA_RACE (42 of 60 remaining) [2023-11-21 22:07:35,907 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err7ASSERT_VIOLATIONDATA_RACE (41 of 60 remaining) [2023-11-21 22:07:35,907 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err8ASSERT_VIOLATIONDATA_RACE (40 of 60 remaining) [2023-11-21 22:07:35,907 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err9ASSERT_VIOLATIONDATA_RACE (39 of 60 remaining) [2023-11-21 22:07:35,907 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err10ASSERT_VIOLATIONDATA_RACE (38 of 60 remaining) [2023-11-21 22:07:35,907 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (37 of 60 remaining) [2023-11-21 22:07:35,907 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (36 of 60 remaining) [2023-11-21 22:07:35,907 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (35 of 60 remaining) [2023-11-21 22:07:35,908 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (34 of 60 remaining) [2023-11-21 22:07:35,908 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE (33 of 60 remaining) [2023-11-21 22:07:35,908 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE (32 of 60 remaining) [2023-11-21 22:07:35,908 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE (31 of 60 remaining) [2023-11-21 22:07:35,908 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE (30 of 60 remaining) [2023-11-21 22:07:35,908 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr8ASSERT_VIOLATIONDATA_RACE (29 of 60 remaining) [2023-11-21 22:07:35,909 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE (28 of 60 remaining) [2023-11-21 22:07:35,909 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE (27 of 60 remaining) [2023-11-21 22:07:35,909 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr11ASSERT_VIOLATIONDATA_RACE (26 of 60 remaining) [2023-11-21 22:07:35,909 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr12ASSERT_VIOLATIONDATA_RACE (25 of 60 remaining) [2023-11-21 22:07:35,910 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr13ASSERT_VIOLATIONDATA_RACE (24 of 60 remaining) [2023-11-21 22:07:35,910 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (23 of 60 remaining) [2023-11-21 22:07:35,910 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (22 of 60 remaining) [2023-11-21 22:07:35,910 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (21 of 60 remaining) [2023-11-21 22:07:35,910 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE (20 of 60 remaining) [2023-11-21 22:07:35,910 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err2ASSERT_VIOLATIONDATA_RACE (19 of 60 remaining) [2023-11-21 22:07:35,911 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err3ASSERT_VIOLATIONDATA_RACE (18 of 60 remaining) [2023-11-21 22:07:35,911 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err4ASSERT_VIOLATIONDATA_RACE (17 of 60 remaining) [2023-11-21 22:07:35,911 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err5ASSERT_VIOLATIONDATA_RACE (16 of 60 remaining) [2023-11-21 22:07:35,911 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err6ASSERT_VIOLATIONDATA_RACE (15 of 60 remaining) [2023-11-21 22:07:35,911 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err7ASSERT_VIOLATIONDATA_RACE (14 of 60 remaining) [2023-11-21 22:07:35,911 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err8ASSERT_VIOLATIONDATA_RACE (13 of 60 remaining) [2023-11-21 22:07:35,912 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err9ASSERT_VIOLATIONDATA_RACE (12 of 60 remaining) [2023-11-21 22:07:35,912 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err10ASSERT_VIOLATIONDATA_RACE (11 of 60 remaining) [2023-11-21 22:07:35,912 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (10 of 60 remaining) [2023-11-21 22:07:35,912 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (9 of 60 remaining) [2023-11-21 22:07:35,912 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err2ASSERT_VIOLATIONDATA_RACE (8 of 60 remaining) [2023-11-21 22:07:35,912 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err3ASSERT_VIOLATIONDATA_RACE (7 of 60 remaining) [2023-11-21 22:07:35,912 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err4ASSERT_VIOLATIONDATA_RACE (6 of 60 remaining) [2023-11-21 22:07:35,913 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err5ASSERT_VIOLATIONDATA_RACE (5 of 60 remaining) [2023-11-21 22:07:35,913 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err6ASSERT_VIOLATIONDATA_RACE (4 of 60 remaining) [2023-11-21 22:07:35,913 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err7ASSERT_VIOLATIONDATA_RACE (3 of 60 remaining) [2023-11-21 22:07:35,913 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err8ASSERT_VIOLATIONDATA_RACE (2 of 60 remaining) [2023-11-21 22:07:35,913 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err9ASSERT_VIOLATIONDATA_RACE (1 of 60 remaining) [2023-11-21 22:07:35,913 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err10ASSERT_VIOLATIONDATA_RACE (0 of 60 remaining) [2023-11-21 22:07:35,914 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2023-11-21 22:07:35,914 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-21 22:07:35,921 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2023-11-21 22:07:35,921 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-21 22:07:35,927 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 21.11 10:07:35 BasicIcfg [2023-11-21 22:07:35,928 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-21 22:07:35,928 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-21 22:07:35,928 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-21 22:07:35,928 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-21 22:07:35,929 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 10:07:29" (3/4) ... [2023-11-21 22:07:35,931 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-11-21 22:07:35,934 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread1 [2023-11-21 22:07:35,934 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread2 [2023-11-21 22:07:35,944 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 16 nodes and edges [2023-11-21 22:07:35,944 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2023-11-21 22:07:35,944 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2023-11-21 22:07:35,945 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-11-21 22:07:36,060 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79d87b87-eb6a-4da5-b651-a811f8b014a0/bin/uautomizer-verify-bycVGegfSx/witness.graphml [2023-11-21 22:07:36,061 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79d87b87-eb6a-4da5-b651-a811f8b014a0/bin/uautomizer-verify-bycVGegfSx/witness.yml [2023-11-21 22:07:36,061 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-21 22:07:36,062 INFO L158 Benchmark]: Toolchain (without parser) took 7830.92ms. Allocated memory was 146.8MB in the beginning and 211.8MB in the end (delta: 65.0MB). Free memory was 112.4MB in the beginning and 115.6MB in the end (delta: -3.2MB). Peak memory consumption was 61.8MB. Max. memory is 16.1GB. [2023-11-21 22:07:36,062 INFO L158 Benchmark]: CDTParser took 0.30ms. Allocated memory is still 111.1MB. Free memory is still 83.7MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-21 22:07:36,063 INFO L158 Benchmark]: CACSL2BoogieTranslator took 418.88ms. Allocated memory is still 146.8MB. Free memory was 111.9MB in the beginning and 100.4MB in the end (delta: 11.5MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-11-21 22:07:36,063 INFO L158 Benchmark]: Boogie Procedure Inliner took 74.90ms. Allocated memory is still 146.8MB. Free memory was 100.4MB in the beginning and 98.3MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-21 22:07:36,063 INFO L158 Benchmark]: Boogie Preprocessor took 69.83ms. Allocated memory is still 146.8MB. Free memory was 98.3MB in the beginning and 96.7MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-21 22:07:36,064 INFO L158 Benchmark]: RCFGBuilder took 796.74ms. Allocated memory is still 146.8MB. Free memory was 96.2MB in the beginning and 94.8MB in the end (delta: 1.4MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2023-11-21 22:07:36,064 INFO L158 Benchmark]: TraceAbstraction took 6329.98ms. Allocated memory was 146.8MB in the beginning and 211.8MB in the end (delta: 65.0MB). Free memory was 94.1MB in the beginning and 121.9MB in the end (delta: -27.8MB). Peak memory consumption was 39.0MB. Max. memory is 16.1GB. [2023-11-21 22:07:36,065 INFO L158 Benchmark]: Witness Printer took 133.04ms. Allocated memory is still 211.8MB. Free memory was 120.8MB in the beginning and 115.6MB in the end (delta: 5.2MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2023-11-21 22:07:36,067 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.30ms. Allocated memory is still 111.1MB. Free memory is still 83.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 418.88ms. Allocated memory is still 146.8MB. Free memory was 111.9MB in the beginning and 100.4MB in the end (delta: 11.5MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 74.90ms. Allocated memory is still 146.8MB. Free memory was 100.4MB in the beginning and 98.3MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 69.83ms. Allocated memory is still 146.8MB. Free memory was 98.3MB in the beginning and 96.7MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 796.74ms. Allocated memory is still 146.8MB. Free memory was 96.2MB in the beginning and 94.8MB in the end (delta: 1.4MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * TraceAbstraction took 6329.98ms. Allocated memory was 146.8MB in the beginning and 211.8MB in the end (delta: 65.0MB). Free memory was 94.1MB in the beginning and 121.9MB in the end (delta: -27.8MB). Peak memory consumption was 39.0MB. Max. memory is 16.1GB. * Witness Printer took 133.04ms. Allocated memory is still 211.8MB. Free memory was 120.8MB in the beginning and 115.6MB in the end (delta: 5.2MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 42]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 42]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 43]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 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: 50]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 50]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 53]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 53]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 54]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 54]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 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: 62]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 64]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 64]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 69]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 69]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 72]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 72]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 73]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 73]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 83]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 84]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 85]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 86]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 87]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 88]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 91]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 91]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 91]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 91]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 91]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 95]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 96]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 98]: there are no data races For all program executions holds that there are no data races at this location - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 5 procedures, 313 locations, 60 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: 6.1s, OverallIterations: 18, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 3.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 562 SdHoareTripleChecker+Valid, 1.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 224 mSDsluCounter, 114 SdHoareTripleChecker+Invalid, 0.8s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 93 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 851 IncrementalHoareTripleChecker+Invalid, 944 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 93 mSolverCounterUnsat, 114 mSDtfsCounter, 851 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 44 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=442occurred in iteration=0, InterpolantAutomatonStates: 60, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 2.1s InterpolantComputationTime, 1286 NumberOfCodeBlocks, 1286 NumberOfCodeBlocksAsserted, 18 NumberOfCheckSat, 1268 ConstructedInterpolants, 0 QuantifiedInterpolants, 1462 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 18 InterpolantComputations, 18 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 36 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2023-11-21 22:07:36,109 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79d87b87-eb6a-4da5-b651-a811f8b014a0/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE