./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-data-race.prp --file ../../sv-benchmarks/c/weaver/test-easy10.wvr.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version 0e0057cc Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ca3c9bc-7719-4bd7-830e-9b1c870d0506/bin/uautomizer-verify-VRDe98Ueme/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ca3c9bc-7719-4bd7-830e-9b1c870d0506/bin/uautomizer-verify-VRDe98Ueme/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ca3c9bc-7719-4bd7-830e-9b1c870d0506/bin/uautomizer-verify-VRDe98Ueme/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ca3c9bc-7719-4bd7-830e-9b1c870d0506/bin/uautomizer-verify-VRDe98Ueme/config/AutomizerReach.xml -i ../../sv-benchmarks/c/weaver/test-easy10.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ca3c9bc-7719-4bd7-830e-9b1c870d0506/bin/uautomizer-verify-VRDe98Ueme/config/svcomp-DataRace-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ca3c9bc-7719-4bd7-830e-9b1c870d0506/bin/uautomizer-verify-VRDe98Ueme --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 58ff882a2a27d6746f141646b2befb8bb2c361fcab13fbe9966095432ec78b12 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-26 12:05:00,068 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-26 12:05:00,205 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ca3c9bc-7719-4bd7-830e-9b1c870d0506/bin/uautomizer-verify-VRDe98Ueme/config/svcomp-DataRace-32bit-Automizer_Default.epf [2023-11-26 12:05:00,217 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-26 12:05:00,218 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-26 12:05:00,261 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-26 12:05:00,262 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-26 12:05:00,262 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-26 12:05:00,265 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-26 12:05:00,270 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-26 12:05:00,272 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-26 12:05:00,273 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-26 12:05:00,273 INFO L153 SettingsManager]: * Use SBE=true [2023-11-26 12:05:00,276 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-26 12:05:00,276 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-26 12:05:00,277 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-26 12:05:00,277 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-26 12:05:00,278 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-26 12:05:00,278 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-26 12:05:00,279 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-26 12:05:00,280 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-26 12:05:00,280 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-26 12:05:00,281 INFO L153 SettingsManager]: * Check absence of data races in concurrent programs=true [2023-11-26 12:05:00,282 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-26 12:05:00,282 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-26 12:05:00,283 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-26 12:05:00,283 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-26 12:05:00,284 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-26 12:05:00,285 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-26 12:05:00,285 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-26 12:05:00,287 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-26 12:05:00,288 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-26 12:05:00,288 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-26 12:05:00,288 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-26 12:05:00,289 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-26 12:05:00,289 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-26 12:05:00,289 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-26 12:05:00,290 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-26 12:05:00,307 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-26 12:05:00,308 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-26 12:05:00,308 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-26 12:05:00,309 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_9ca3c9bc-7719-4bd7-830e-9b1c870d0506/bin/uautomizer-verify-VRDe98Ueme/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ca3c9bc-7719-4bd7-830e-9b1c870d0506/bin/uautomizer-verify-VRDe98Ueme Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 58ff882a2a27d6746f141646b2befb8bb2c361fcab13fbe9966095432ec78b12 [2023-11-26 12:05:00,599 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-26 12:05:00,633 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-26 12:05:00,637 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-26 12:05:00,638 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-26 12:05:00,639 INFO L274 PluginConnector]: CDTParser initialized [2023-11-26 12:05:00,640 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ca3c9bc-7719-4bd7-830e-9b1c870d0506/bin/uautomizer-verify-VRDe98Ueme/../../sv-benchmarks/c/weaver/test-easy10.wvr.c [2023-11-26 12:05:03,801 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-26 12:05:04,060 INFO L384 CDTParser]: Found 1 translation units. [2023-11-26 12:05:04,060 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ca3c9bc-7719-4bd7-830e-9b1c870d0506/sv-benchmarks/c/weaver/test-easy10.wvr.c [2023-11-26 12:05:04,069 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ca3c9bc-7719-4bd7-830e-9b1c870d0506/bin/uautomizer-verify-VRDe98Ueme/data/01be6c7c8/476ccb45b9fc4ccaa4c132592af25787/FLAGd5be0d55f [2023-11-26 12:05:04,084 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ca3c9bc-7719-4bd7-830e-9b1c870d0506/bin/uautomizer-verify-VRDe98Ueme/data/01be6c7c8/476ccb45b9fc4ccaa4c132592af25787 [2023-11-26 12:05:04,087 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-26 12:05:04,088 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-26 12:05:04,090 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-26 12:05:04,090 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-26 12:05:04,096 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-26 12:05:04,097 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 12:05:04" (1/1) ... [2023-11-26 12:05:04,098 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7c335f5c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:05:04, skipping insertion in model container [2023-11-26 12:05:04,099 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 12:05:04" (1/1) ... [2023-11-26 12:05:04,127 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-26 12:05:04,322 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-26 12:05:04,336 INFO L202 MainTranslator]: Completed pre-run [2023-11-26 12:05:04,385 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-26 12:05:04,394 WARN L675 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-11-26 12:05:04,394 WARN L675 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-11-26 12:05:04,402 INFO L206 MainTranslator]: Completed translation [2023-11-26 12:05:04,403 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:05:04 WrapperNode [2023-11-26 12:05:04,403 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-26 12:05:04,404 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-26 12:05:04,405 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-26 12:05:04,405 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-26 12:05:04,413 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:05:04" (1/1) ... [2023-11-26 12:05:04,426 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:05:04" (1/1) ... [2023-11-26 12:05:04,477 INFO L138 Inliner]: procedures = 23, calls = 85, calls flagged for inlining = 9, calls inlined = 9, statements flattened = 401 [2023-11-26 12:05:04,482 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-26 12:05:04,483 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-26 12:05:04,483 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-26 12:05:04,493 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-26 12:05:04,502 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:05:04" (1/1) ... [2023-11-26 12:05:04,502 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:05:04" (1/1) ... [2023-11-26 12:05:04,509 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:05:04" (1/1) ... [2023-11-26 12:05:04,509 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:05:04" (1/1) ... [2023-11-26 12:05:04,526 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:05:04" (1/1) ... [2023-11-26 12:05:04,529 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:05:04" (1/1) ... [2023-11-26 12:05:04,532 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:05:04" (1/1) ... [2023-11-26 12:05:04,548 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:05:04" (1/1) ... [2023-11-26 12:05:04,553 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-26 12:05:04,554 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-26 12:05:04,554 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-26 12:05:04,554 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-26 12:05:04,555 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:05:04" (1/1) ... [2023-11-26 12:05:04,563 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-26 12:05:04,582 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ca3c9bc-7719-4bd7-830e-9b1c870d0506/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 12:05:04,600 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ca3c9bc-7719-4bd7-830e-9b1c870d0506/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2023-11-26 12:05:04,608 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ca3c9bc-7719-4bd7-830e-9b1c870d0506/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2023-11-26 12:05:04,639 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-26 12:05:04,639 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2023-11-26 12:05:04,639 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2023-11-26 12:05:04,639 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2023-11-26 12:05:04,639 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2023-11-26 12:05:04,640 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2023-11-26 12:05:04,640 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2023-11-26 12:05:04,640 INFO L130 BoogieDeclarations]: Found specification of procedure thread4 [2023-11-26 12:05:04,640 INFO L138 BoogieDeclarations]: Found implementation of procedure thread4 [2023-11-26 12:05:04,640 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-26 12:05:04,640 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-26 12:05:04,641 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-26 12:05:04,641 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-11-26 12:05:04,641 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-11-26 12:05:04,641 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-26 12:05:04,641 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-26 12:05:04,641 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-26 12:05:04,642 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-26 12:05:04,643 WARN L213 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-11-26 12:05:04,772 INFO L241 CfgBuilder]: Building ICFG [2023-11-26 12:05:04,774 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-26 12:05:05,530 INFO L282 CfgBuilder]: Performing block encoding [2023-11-26 12:05:05,779 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-26 12:05:05,779 INFO L309 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-26 12:05:05,781 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 12:05:05 BoogieIcfgContainer [2023-11-26 12:05:05,781 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-26 12:05:05,784 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-26 12:05:05,785 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-26 12:05:05,788 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-26 12:05:05,788 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 26.11 12:05:04" (1/3) ... [2023-11-26 12:05:05,789 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@429d8fa7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.11 12:05:05, skipping insertion in model container [2023-11-26 12:05:05,790 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:05:04" (2/3) ... [2023-11-26 12:05:05,790 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@429d8fa7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.11 12:05:05, skipping insertion in model container [2023-11-26 12:05:05,791 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 12:05:05" (3/3) ... [2023-11-26 12:05:05,792 INFO L112 eAbstractionObserver]: Analyzing ICFG test-easy10.wvr.c [2023-11-26 12:05:05,802 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2023-11-26 12:05:05,813 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-26 12:05:05,814 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 60 error locations. [2023-11-26 12:05:05,814 INFO L514 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-11-26 12:05:05,915 INFO L144 ThreadInstanceAdder]: Constructed 4 joinOtherThreadTransitions. [2023-11-26 12:05:05,959 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 275 places, 266 transitions, 560 flow [2023-11-26 12:05:06,077 INFO L124 PetriNetUnfolderBase]: 4/262 cut-off events. [2023-11-26 12:05:06,077 INFO L125 PetriNetUnfolderBase]: For 4/4 co-relation queries the response was YES. [2023-11-26 12:05:06,088 INFO L83 FinitePrefix]: Finished finitePrefix Result has 279 conditions, 262 events. 4/262 cut-off events. For 4/4 co-relation queries the response was YES. Maximal size of possible extension queue 7. Compared 323 event pairs, 0 based on Foata normal form. 0/198 useless extension candidates. Maximal degree in co-relation 168. Up to 2 conditions per place. [2023-11-26 12:05:06,088 INFO L82 GeneralOperation]: Start removeDead. Operand has 275 places, 266 transitions, 560 flow [2023-11-26 12:05:06,101 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 245 places, 234 transitions, 492 flow [2023-11-26 12:05:06,119 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-26 12:05:06,139 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;@2f4e6a93, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-26 12:05:06,140 INFO L358 AbstractCegarLoop]: Starting to check reachability of 108 error locations. [2023-11-26 12:05:06,150 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2023-11-26 12:05:06,151 INFO L124 PetriNetUnfolderBase]: 0/28 cut-off events. [2023-11-26 12:05:06,151 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2023-11-26 12:05:06,151 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-26 12:05:06,152 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-26 12:05:06,153 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 104 more)] === [2023-11-26 12:05:06,159 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 12:05:06,159 INFO L85 PathProgramCache]: Analyzing trace with hash 1826475670, now seen corresponding path program 1 times [2023-11-26 12:05:06,168 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 12:05:06,168 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [239613105] [2023-11-26 12:05:06,169 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 12:05:06,169 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 12:05:06,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 12:05:06,479 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-26 12:05:06,479 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 12:05:06,480 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [239613105] [2023-11-26 12:05:06,480 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [239613105] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 12:05:06,481 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-26 12:05:06,481 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-26 12:05:06,482 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1676155385] [2023-11-26 12:05:06,484 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 12:05:06,494 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-26 12:05:06,500 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 12:05:06,533 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-26 12:05:06,534 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-26 12:05:06,586 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 178 out of 266 [2023-11-26 12:05:06,591 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 245 places, 234 transitions, 492 flow. Second operand has 3 states, 3 states have (on average 179.33333333333334) internal successors, (538), 3 states have internal predecessors, (538), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 12:05:06,591 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-26 12:05:06,591 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 178 of 266 [2023-11-26 12:05:06,592 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-26 12:05:10,162 INFO L124 PetriNetUnfolderBase]: 7777/12362 cut-off events. [2023-11-26 12:05:10,164 INFO L125 PetriNetUnfolderBase]: For 1600/1605 co-relation queries the response was YES. [2023-11-26 12:05:10,240 INFO L83 FinitePrefix]: Finished finitePrefix Result has 24551 conditions, 12362 events. 7777/12362 cut-off events. For 1600/1605 co-relation queries the response was YES. Maximal size of possible extension queue 501. Compared 85506 event pairs, 7776 based on Foata normal form. 1/12304 useless extension candidates. Maximal degree in co-relation 23988. Up to 10982 conditions per place. [2023-11-26 12:05:10,378 INFO L140 encePairwiseOnDemand]: 218/266 looper letters, 37 selfloop transitions, 2 changer transitions 1/188 dead transitions. [2023-11-26 12:05:10,378 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 202 places, 188 transitions, 478 flow [2023-11-26 12:05:10,380 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-26 12:05:10,383 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-26 12:05:10,401 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 619 transitions. [2023-11-26 12:05:10,407 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.7756892230576441 [2023-11-26 12:05:10,409 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 619 transitions. [2023-11-26 12:05:10,410 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 619 transitions. [2023-11-26 12:05:10,415 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-26 12:05:10,419 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 619 transitions. [2023-11-26 12:05:10,427 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 206.33333333333334) internal successors, (619), 3 states have internal predecessors, (619), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 12:05:10,438 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 266.0) internal successors, (1064), 4 states have internal predecessors, (1064), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 12:05:10,439 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 266.0) internal successors, (1064), 4 states have internal predecessors, (1064), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 12:05:10,442 INFO L175 Difference]: Start difference. First operand has 245 places, 234 transitions, 492 flow. Second operand 3 states and 619 transitions. [2023-11-26 12:05:10,444 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 202 places, 188 transitions, 478 flow [2023-11-26 12:05:10,460 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 194 places, 188 transitions, 462 flow, removed 0 selfloop flow, removed 8 redundant places. [2023-11-26 12:05:10,468 INFO L231 Difference]: Finished difference. Result has 194 places, 187 transitions, 386 flow [2023-11-26 12:05:10,471 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=266, PETRI_DIFFERENCE_MINUEND_FLOW=384, PETRI_DIFFERENCE_MINUEND_PLACES=192, 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=386, PETRI_PLACES=194, PETRI_TRANSITIONS=187} [2023-11-26 12:05:10,477 INFO L281 CegarLoopForPetriNet]: 245 programPoint places, -51 predicate places. [2023-11-26 12:05:10,478 INFO L495 AbstractCegarLoop]: Abstraction has has 194 places, 187 transitions, 386 flow [2023-11-26 12:05:10,479 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 179.33333333333334) internal successors, (538), 3 states have internal predecessors, (538), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 12:05:10,480 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-26 12:05:10,480 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-26 12:05:10,480 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-26 12:05:10,481 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 104 more)] === [2023-11-26 12:05:10,481 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 12:05:10,482 INFO L85 PathProgramCache]: Analyzing trace with hash -1499574688, now seen corresponding path program 1 times [2023-11-26 12:05:10,483 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 12:05:10,483 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1366579193] [2023-11-26 12:05:10,483 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 12:05:10,484 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 12:05:10,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 12:05:10,604 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-26 12:05:10,605 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 12:05:10,605 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1366579193] [2023-11-26 12:05:10,606 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1366579193] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 12:05:10,606 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-26 12:05:10,607 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-26 12:05:10,607 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1420947677] [2023-11-26 12:05:10,607 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 12:05:10,609 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-26 12:05:10,610 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 12:05:10,610 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-26 12:05:10,611 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-26 12:05:10,643 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 178 out of 266 [2023-11-26 12:05:10,644 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 194 places, 187 transitions, 386 flow. Second operand has 3 states, 3 states have (on average 179.33333333333334) internal successors, (538), 3 states have internal predecessors, (538), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 12:05:10,645 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-26 12:05:10,645 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 178 of 266 [2023-11-26 12:05:10,645 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-26 12:05:13,150 INFO L124 PetriNetUnfolderBase]: 7777/12360 cut-off events. [2023-11-26 12:05:13,151 INFO L125 PetriNetUnfolderBase]: For 400/405 co-relation queries the response was YES. [2023-11-26 12:05:13,205 INFO L83 FinitePrefix]: Finished finitePrefix Result has 23748 conditions, 12360 events. 7777/12360 cut-off events. For 400/405 co-relation queries the response was YES. Maximal size of possible extension queue 501. Compared 85573 event pairs, 7776 based on Foata normal form. 0/12303 useless extension candidates. Maximal degree in co-relation 23711. Up to 10982 conditions per place. [2023-11-26 12:05:13,324 INFO L140 encePairwiseOnDemand]: 263/266 looper letters, 37 selfloop transitions, 2 changer transitions 0/186 dead transitions. [2023-11-26 12:05:13,324 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 194 places, 186 transitions, 462 flow [2023-11-26 12:05:13,325 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-26 12:05:13,325 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-26 12:05:13,327 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 574 transitions. [2023-11-26 12:05:13,328 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.7192982456140351 [2023-11-26 12:05:13,328 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 574 transitions. [2023-11-26 12:05:13,329 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 574 transitions. [2023-11-26 12:05:13,330 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-26 12:05:13,331 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 574 transitions. [2023-11-26 12:05:13,333 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 191.33333333333334) internal successors, (574), 3 states have internal predecessors, (574), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 12:05:13,336 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 266.0) internal successors, (1064), 4 states have internal predecessors, (1064), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 12:05:13,337 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 266.0) internal successors, (1064), 4 states have internal predecessors, (1064), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 12:05:13,338 INFO L175 Difference]: Start difference. First operand has 194 places, 187 transitions, 386 flow. Second operand 3 states and 574 transitions. [2023-11-26 12:05:13,338 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 194 places, 186 transitions, 462 flow [2023-11-26 12:05:13,343 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 192 places, 186 transitions, 458 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-11-26 12:05:13,350 INFO L231 Difference]: Finished difference. Result has 192 places, 186 transitions, 384 flow [2023-11-26 12:05:13,353 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=266, PETRI_DIFFERENCE_MINUEND_FLOW=380, PETRI_DIFFERENCE_MINUEND_PLACES=190, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=186, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=184, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=384, PETRI_PLACES=192, PETRI_TRANSITIONS=186} [2023-11-26 12:05:13,355 INFO L281 CegarLoopForPetriNet]: 245 programPoint places, -53 predicate places. [2023-11-26 12:05:13,355 INFO L495 AbstractCegarLoop]: Abstraction has has 192 places, 186 transitions, 384 flow [2023-11-26 12:05:13,356 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 179.33333333333334) internal successors, (538), 3 states have internal predecessors, (538), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 12:05:13,356 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-26 12:05:13,357 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-26 12:05:13,358 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-11-26 12:05:13,359 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 104 more)] === [2023-11-26 12:05:13,369 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 12:05:13,370 INFO L85 PathProgramCache]: Analyzing trace with hash 206410123, now seen corresponding path program 1 times [2023-11-26 12:05:13,371 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 12:05:13,371 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1197323370] [2023-11-26 12:05:13,371 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 12:05:13,372 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 12:05:13,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 12:05:13,465 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-26 12:05:13,466 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 12:05:13,466 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1197323370] [2023-11-26 12:05:13,467 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1197323370] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 12:05:13,467 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-26 12:05:13,467 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-26 12:05:13,468 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1424953697] [2023-11-26 12:05:13,468 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 12:05:13,468 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-26 12:05:13,469 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 12:05:13,470 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-26 12:05:13,470 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-26 12:05:13,488 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 178 out of 266 [2023-11-26 12:05:13,489 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 192 places, 186 transitions, 384 flow. Second operand has 3 states, 3 states have (on average 179.33333333333334) internal successors, (538), 3 states have internal predecessors, (538), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 12:05:13,489 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-26 12:05:13,490 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 178 of 266 [2023-11-26 12:05:13,490 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-26 12:05:15,619 INFO L124 PetriNetUnfolderBase]: 7777/12359 cut-off events. [2023-11-26 12:05:15,619 INFO L125 PetriNetUnfolderBase]: For 400/405 co-relation queries the response was YES. [2023-11-26 12:05:15,667 INFO L83 FinitePrefix]: Finished finitePrefix Result has 23747 conditions, 12359 events. 7777/12359 cut-off events. For 400/405 co-relation queries the response was YES. Maximal size of possible extension queue 501. Compared 85625 event pairs, 7776 based on Foata normal form. 0/12303 useless extension candidates. Maximal degree in co-relation 23703. Up to 10982 conditions per place. [2023-11-26 12:05:15,743 INFO L140 encePairwiseOnDemand]: 263/266 looper letters, 37 selfloop transitions, 2 changer transitions 0/185 dead transitions. [2023-11-26 12:05:15,743 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 193 places, 185 transitions, 460 flow [2023-11-26 12:05:15,744 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-26 12:05:15,744 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-26 12:05:15,746 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 574 transitions. [2023-11-26 12:05:15,747 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.7192982456140351 [2023-11-26 12:05:15,747 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 574 transitions. [2023-11-26 12:05:15,747 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 574 transitions. [2023-11-26 12:05:15,748 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-26 12:05:15,748 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 574 transitions. [2023-11-26 12:05:15,750 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 191.33333333333334) internal successors, (574), 3 states have internal predecessors, (574), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 12:05:15,753 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 266.0) internal successors, (1064), 4 states have internal predecessors, (1064), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 12:05:15,754 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 266.0) internal successors, (1064), 4 states have internal predecessors, (1064), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 12:05:15,754 INFO L175 Difference]: Start difference. First operand has 192 places, 186 transitions, 384 flow. Second operand 3 states and 574 transitions. [2023-11-26 12:05:15,754 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 193 places, 185 transitions, 460 flow [2023-11-26 12:05:15,757 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 191 places, 185 transitions, 456 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-11-26 12:05:15,761 INFO L231 Difference]: Finished difference. Result has 191 places, 185 transitions, 382 flow [2023-11-26 12:05:15,761 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=266, PETRI_DIFFERENCE_MINUEND_FLOW=378, PETRI_DIFFERENCE_MINUEND_PLACES=189, 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=382, PETRI_PLACES=191, PETRI_TRANSITIONS=185} [2023-11-26 12:05:15,762 INFO L281 CegarLoopForPetriNet]: 245 programPoint places, -54 predicate places. [2023-11-26 12:05:15,762 INFO L495 AbstractCegarLoop]: Abstraction has has 191 places, 185 transitions, 382 flow [2023-11-26 12:05:15,763 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 179.33333333333334) internal successors, (538), 3 states have internal predecessors, (538), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 12:05:15,763 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-26 12:05:15,763 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-26 12:05:15,764 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-11-26 12:05:15,764 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 104 more)] === [2023-11-26 12:05:15,764 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 12:05:15,765 INFO L85 PathProgramCache]: Analyzing trace with hash -49077767, now seen corresponding path program 1 times [2023-11-26 12:05:15,765 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 12:05:15,765 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [649037792] [2023-11-26 12:05:15,765 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 12:05:15,766 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 12:05:15,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 12:05:15,821 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-26 12:05:15,821 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 12:05:15,822 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [649037792] [2023-11-26 12:05:15,822 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [649037792] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 12:05:15,822 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-26 12:05:15,822 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-26 12:05:15,823 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1525288700] [2023-11-26 12:05:15,823 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 12:05:15,823 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-26 12:05:15,824 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 12:05:15,824 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-26 12:05:15,825 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-26 12:05:15,847 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 178 out of 266 [2023-11-26 12:05:15,849 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 191 places, 185 transitions, 382 flow. Second operand has 3 states, 3 states have (on average 179.33333333333334) internal successors, (538), 3 states have internal predecessors, (538), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 12:05:15,849 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-26 12:05:15,849 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 178 of 266 [2023-11-26 12:05:15,849 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-26 12:05:18,180 INFO L124 PetriNetUnfolderBase]: 7777/12358 cut-off events. [2023-11-26 12:05:18,181 INFO L125 PetriNetUnfolderBase]: For 400/405 co-relation queries the response was YES. [2023-11-26 12:05:18,231 INFO L83 FinitePrefix]: Finished finitePrefix Result has 23746 conditions, 12358 events. 7777/12358 cut-off events. For 400/405 co-relation queries the response was YES. Maximal size of possible extension queue 501. Compared 85576 event pairs, 7776 based on Foata normal form. 0/12303 useless extension candidates. Maximal degree in co-relation 23695. Up to 10982 conditions per place. [2023-11-26 12:05:18,338 INFO L140 encePairwiseOnDemand]: 263/266 looper letters, 37 selfloop transitions, 2 changer transitions 0/184 dead transitions. [2023-11-26 12:05:18,338 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 192 places, 184 transitions, 458 flow [2023-11-26 12:05:18,350 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-26 12:05:18,350 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-26 12:05:18,352 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 574 transitions. [2023-11-26 12:05:18,353 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.7192982456140351 [2023-11-26 12:05:18,353 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 574 transitions. [2023-11-26 12:05:18,353 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 574 transitions. [2023-11-26 12:05:18,355 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-26 12:05:18,355 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 574 transitions. [2023-11-26 12:05:18,358 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 191.33333333333334) internal successors, (574), 3 states have internal predecessors, (574), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 12:05:18,361 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 266.0) internal successors, (1064), 4 states have internal predecessors, (1064), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 12:05:18,362 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 266.0) internal successors, (1064), 4 states have internal predecessors, (1064), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 12:05:18,362 INFO L175 Difference]: Start difference. First operand has 191 places, 185 transitions, 382 flow. Second operand 3 states and 574 transitions. [2023-11-26 12:05:18,362 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 192 places, 184 transitions, 458 flow [2023-11-26 12:05:18,364 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 190 places, 184 transitions, 454 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-11-26 12:05:18,368 INFO L231 Difference]: Finished difference. Result has 190 places, 184 transitions, 380 flow [2023-11-26 12:05:18,368 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=266, PETRI_DIFFERENCE_MINUEND_FLOW=376, PETRI_DIFFERENCE_MINUEND_PLACES=188, 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=380, PETRI_PLACES=190, PETRI_TRANSITIONS=184} [2023-11-26 12:05:18,371 INFO L281 CegarLoopForPetriNet]: 245 programPoint places, -55 predicate places. [2023-11-26 12:05:18,371 INFO L495 AbstractCegarLoop]: Abstraction has has 190 places, 184 transitions, 380 flow [2023-11-26 12:05:18,372 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 179.33333333333334) internal successors, (538), 3 states have internal predecessors, (538), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 12:05:18,372 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-26 12:05:18,372 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-26 12:05:18,372 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-11-26 12:05:18,372 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 104 more)] === [2023-11-26 12:05:18,373 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 12:05:18,373 INFO L85 PathProgramCache]: Analyzing trace with hash 469142166, now seen corresponding path program 1 times [2023-11-26 12:05:18,373 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 12:05:18,376 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [601842341] [2023-11-26 12:05:18,376 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 12:05:18,376 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 12:05:18,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 12:05:18,475 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-26 12:05:18,475 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 12:05:18,475 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [601842341] [2023-11-26 12:05:18,475 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [601842341] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 12:05:18,476 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-26 12:05:18,476 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-26 12:05:18,476 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1927161594] [2023-11-26 12:05:18,477 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 12:05:18,481 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-26 12:05:18,481 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 12:05:18,482 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-26 12:05:18,482 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-26 12:05:18,495 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 180 out of 266 [2023-11-26 12:05:18,496 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 190 places, 184 transitions, 380 flow. Second operand has 3 states, 3 states have (on average 181.0) internal successors, (543), 3 states have internal predecessors, (543), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 12:05:18,497 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-26 12:05:18,497 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 180 of 266 [2023-11-26 12:05:18,497 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-26 12:05:20,554 INFO L124 PetriNetUnfolderBase]: 8726/15684 cut-off events. [2023-11-26 12:05:20,554 INFO L125 PetriNetUnfolderBase]: For 449/816 co-relation queries the response was YES. [2023-11-26 12:05:20,611 INFO L83 FinitePrefix]: Finished finitePrefix Result has 28458 conditions, 15684 events. 8726/15684 cut-off events. For 449/816 co-relation queries the response was YES. Maximal size of possible extension queue 599. Compared 122909 event pairs, 5952 based on Foata normal form. 0/15362 useless extension candidates. Maximal degree in co-relation 28400. Up to 8886 conditions per place. [2023-11-26 12:05:20,683 INFO L140 encePairwiseOnDemand]: 258/266 looper letters, 59 selfloop transitions, 6 changer transitions 0/210 dead transitions. [2023-11-26 12:05:20,683 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 190 places, 210 transitions, 566 flow [2023-11-26 12:05:20,684 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-26 12:05:20,684 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-26 12:05:20,686 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 607 transitions. [2023-11-26 12:05:20,686 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.7606516290726817 [2023-11-26 12:05:20,686 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 607 transitions. [2023-11-26 12:05:20,687 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 607 transitions. [2023-11-26 12:05:20,687 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-26 12:05:20,687 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 607 transitions. [2023-11-26 12:05:20,689 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 202.33333333333334) internal successors, (607), 3 states have internal predecessors, (607), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 12:05:20,692 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 266.0) internal successors, (1064), 4 states have internal predecessors, (1064), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 12:05:20,693 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 266.0) internal successors, (1064), 4 states have internal predecessors, (1064), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 12:05:20,693 INFO L175 Difference]: Start difference. First operand has 190 places, 184 transitions, 380 flow. Second operand 3 states and 607 transitions. [2023-11-26 12:05:20,693 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 190 places, 210 transitions, 566 flow [2023-11-26 12:05:20,695 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 188 places, 210 transitions, 562 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-11-26 12:05:20,699 INFO L231 Difference]: Finished difference. Result has 190 places, 186 transitions, 412 flow [2023-11-26 12:05:20,699 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=266, PETRI_DIFFERENCE_MINUEND_FLOW=372, PETRI_DIFFERENCE_MINUEND_PLACES=186, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=182, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=176, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=412, PETRI_PLACES=190, PETRI_TRANSITIONS=186} [2023-11-26 12:05:20,700 INFO L281 CegarLoopForPetriNet]: 245 programPoint places, -55 predicate places. [2023-11-26 12:05:20,700 INFO L495 AbstractCegarLoop]: Abstraction has has 190 places, 186 transitions, 412 flow [2023-11-26 12:05:20,701 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 181.0) internal successors, (543), 3 states have internal predecessors, (543), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 12:05:20,701 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-26 12:05:20,701 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] [2023-11-26 12:05:20,702 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2023-11-26 12:05:20,702 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 104 more)] === [2023-11-26 12:05:20,702 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 12:05:20,702 INFO L85 PathProgramCache]: Analyzing trace with hash -125918499, now seen corresponding path program 1 times [2023-11-26 12:05:20,703 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 12:05:20,703 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1202388055] [2023-11-26 12:05:20,703 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 12:05:20,703 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 12:05:20,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 12:05:20,771 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-26 12:05:20,772 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 12:05:20,772 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1202388055] [2023-11-26 12:05:20,772 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1202388055] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 12:05:20,772 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-26 12:05:20,772 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-26 12:05:20,773 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1545137172] [2023-11-26 12:05:20,773 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 12:05:20,773 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-26 12:05:20,775 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 12:05:20,776 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-26 12:05:20,776 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-26 12:05:20,788 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 180 out of 266 [2023-11-26 12:05:20,789 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 190 places, 186 transitions, 412 flow. Second operand has 3 states, 3 states have (on average 181.0) internal successors, (543), 3 states have internal predecessors, (543), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 12:05:20,790 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-26 12:05:20,790 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 180 of 266 [2023-11-26 12:05:20,790 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-26 12:05:23,455 INFO L124 PetriNetUnfolderBase]: 9643/15744 cut-off events. [2023-11-26 12:05:23,456 INFO L125 PetriNetUnfolderBase]: For 5264/5401 co-relation queries the response was YES. [2023-11-26 12:05:23,516 INFO L83 FinitePrefix]: Finished finitePrefix Result has 33503 conditions, 15744 events. 9643/15744 cut-off events. For 5264/5401 co-relation queries the response was YES. Maximal size of possible extension queue 647. Compared 117594 event pairs, 2672 based on Foata normal form. 2/15665 useless extension candidates. Maximal degree in co-relation 25140. Up to 9458 conditions per place. [2023-11-26 12:05:23,602 INFO L140 encePairwiseOnDemand]: 258/266 looper letters, 67 selfloop transitions, 6 changer transitions 0/216 dead transitions. [2023-11-26 12:05:23,603 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 190 places, 216 transitions, 646 flow [2023-11-26 12:05:23,603 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-26 12:05:23,603 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-26 12:05:23,605 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 607 transitions. [2023-11-26 12:05:23,606 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.7606516290726817 [2023-11-26 12:05:23,606 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 607 transitions. [2023-11-26 12:05:23,606 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 607 transitions. [2023-11-26 12:05:23,607 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-26 12:05:23,607 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 607 transitions. [2023-11-26 12:05:23,610 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 202.33333333333334) internal successors, (607), 3 states have internal predecessors, (607), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 12:05:23,612 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 266.0) internal successors, (1064), 4 states have internal predecessors, (1064), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 12:05:23,614 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 266.0) internal successors, (1064), 4 states have internal predecessors, (1064), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 12:05:23,614 INFO L175 Difference]: Start difference. First operand has 190 places, 186 transitions, 412 flow. Second operand 3 states and 607 transitions. [2023-11-26 12:05:23,614 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 190 places, 216 transitions, 646 flow [2023-11-26 12:05:23,623 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 188 places, 216 transitions, 626 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-11-26 12:05:23,628 INFO L231 Difference]: Finished difference. Result has 190 places, 188 transitions, 436 flow [2023-11-26 12:05:23,629 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=266, PETRI_DIFFERENCE_MINUEND_FLOW=396, PETRI_DIFFERENCE_MINUEND_PLACES=186, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=184, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=178, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=436, PETRI_PLACES=190, PETRI_TRANSITIONS=188} [2023-11-26 12:05:23,632 INFO L281 CegarLoopForPetriNet]: 245 programPoint places, -55 predicate places. [2023-11-26 12:05:23,633 INFO L495 AbstractCegarLoop]: Abstraction has has 190 places, 188 transitions, 436 flow [2023-11-26 12:05:23,634 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 181.0) internal successors, (543), 3 states have internal predecessors, (543), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 12:05:23,634 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-26 12:05:23,635 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] [2023-11-26 12:05:23,635 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2023-11-26 12:05:23,635 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 104 more)] === [2023-11-26 12:05:23,636 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 12:05:23,636 INFO L85 PathProgramCache]: Analyzing trace with hash -2108808200, now seen corresponding path program 1 times [2023-11-26 12:05:23,637 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 12:05:23,637 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1003767934] [2023-11-26 12:05:23,638 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 12:05:23,638 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 12:05:23,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 12:05:23,700 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-26 12:05:23,701 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 12:05:23,701 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1003767934] [2023-11-26 12:05:23,702 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1003767934] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 12:05:23,702 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-26 12:05:23,702 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-26 12:05:23,702 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [59180565] [2023-11-26 12:05:23,702 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 12:05:23,708 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-26 12:05:23,708 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 12:05:23,709 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-26 12:05:23,709 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-26 12:05:23,723 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 180 out of 266 [2023-11-26 12:05:23,724 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 190 places, 188 transitions, 436 flow. Second operand has 3 states, 3 states have (on average 181.0) internal successors, (543), 3 states have internal predecessors, (543), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 12:05:23,724 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-26 12:05:23,724 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 180 of 266 [2023-11-26 12:05:23,724 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-26 12:05:26,237 INFO L124 PetriNetUnfolderBase]: 11552/18319 cut-off events. [2023-11-26 12:05:26,237 INFO L125 PetriNetUnfolderBase]: For 5467/5654 co-relation queries the response was YES. [2023-11-26 12:05:26,296 INFO L83 FinitePrefix]: Finished finitePrefix Result has 42028 conditions, 18319 events. 11552/18319 cut-off events. For 5467/5654 co-relation queries the response was YES. Maximal size of possible extension queue 744. Compared 132621 event pairs, 7399 based on Foata normal form. 0/18096 useless extension candidates. Maximal degree in co-relation 19819. Up to 11872 conditions per place. [2023-11-26 12:05:26,393 INFO L140 encePairwiseOnDemand]: 258/266 looper letters, 73 selfloop transitions, 6 changer transitions 0/220 dead transitions. [2023-11-26 12:05:26,393 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 190 places, 220 transitions, 697 flow [2023-11-26 12:05:26,393 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-26 12:05:26,394 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-26 12:05:26,395 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 608 transitions. [2023-11-26 12:05:26,396 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.7619047619047619 [2023-11-26 12:05:26,396 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 608 transitions. [2023-11-26 12:05:26,396 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 608 transitions. [2023-11-26 12:05:26,397 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-26 12:05:26,397 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 608 transitions. [2023-11-26 12:05:26,399 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 202.66666666666666) internal successors, (608), 3 states have internal predecessors, (608), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 12:05:26,401 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 266.0) internal successors, (1064), 4 states have internal predecessors, (1064), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 12:05:26,402 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 266.0) internal successors, (1064), 4 states have internal predecessors, (1064), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 12:05:26,402 INFO L175 Difference]: Start difference. First operand has 190 places, 188 transitions, 436 flow. Second operand 3 states and 608 transitions. [2023-11-26 12:05:26,402 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 190 places, 220 transitions, 697 flow [2023-11-26 12:05:26,470 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 188 places, 220 transitions, 677 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-11-26 12:05:26,474 INFO L231 Difference]: Finished difference. Result has 190 places, 190 transitions, 460 flow [2023-11-26 12:05:26,474 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=266, PETRI_DIFFERENCE_MINUEND_FLOW=420, PETRI_DIFFERENCE_MINUEND_PLACES=186, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=186, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=180, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=460, PETRI_PLACES=190, PETRI_TRANSITIONS=190} [2023-11-26 12:05:26,475 INFO L281 CegarLoopForPetriNet]: 245 programPoint places, -55 predicate places. [2023-11-26 12:05:26,475 INFO L495 AbstractCegarLoop]: Abstraction has has 190 places, 190 transitions, 460 flow [2023-11-26 12:05:26,476 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 181.0) internal successors, (543), 3 states have internal predecessors, (543), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 12:05:26,476 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-26 12:05:26,476 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] [2023-11-26 12:05:26,476 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2023-11-26 12:05:26,476 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 104 more)] === [2023-11-26 12:05:26,477 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 12:05:26,477 INFO L85 PathProgramCache]: Analyzing trace with hash 659911900, now seen corresponding path program 1 times [2023-11-26 12:05:26,477 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 12:05:26,477 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1318399927] [2023-11-26 12:05:26,478 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 12:05:26,478 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 12:05:26,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 12:05:26,557 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-26 12:05:26,558 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 12:05:26,558 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1318399927] [2023-11-26 12:05:26,558 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1318399927] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 12:05:26,559 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-26 12:05:26,559 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-26 12:05:26,559 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [793172031] [2023-11-26 12:05:26,559 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 12:05:26,560 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-26 12:05:26,562 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 12:05:26,562 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-26 12:05:26,562 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-26 12:05:26,576 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 180 out of 266 [2023-11-26 12:05:26,577 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 190 places, 190 transitions, 460 flow. Second operand has 3 states, 3 states have (on average 181.0) internal successors, (543), 3 states have internal predecessors, (543), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 12:05:26,577 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-26 12:05:26,577 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 180 of 266 [2023-11-26 12:05:26,578 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-26 12:05:30,572 INFO L124 PetriNetUnfolderBase]: 14384/22784 cut-off events. [2023-11-26 12:05:30,573 INFO L125 PetriNetUnfolderBase]: For 12651/12878 co-relation queries the response was YES. [2023-11-26 12:05:30,650 INFO L83 FinitePrefix]: Finished finitePrefix Result has 55972 conditions, 22784 events. 14384/22784 cut-off events. For 12651/12878 co-relation queries the response was YES. Maximal size of possible extension queue 974. Compared 170745 event pairs, 8891 based on Foata normal form. 3/22637 useless extension candidates. Maximal degree in co-relation 35106. Up to 13726 conditions per place. [2023-11-26 12:05:30,788 INFO L140 encePairwiseOnDemand]: 258/266 looper letters, 81 selfloop transitions, 5 changer transitions 11/228 dead transitions. [2023-11-26 12:05:30,789 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 190 places, 228 transitions, 769 flow [2023-11-26 12:05:30,789 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-26 12:05:30,789 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-26 12:05:30,791 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 609 transitions. [2023-11-26 12:05:30,792 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.7631578947368421 [2023-11-26 12:05:30,792 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 609 transitions. [2023-11-26 12:05:30,792 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 609 transitions. [2023-11-26 12:05:30,793 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-26 12:05:30,793 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 609 transitions. [2023-11-26 12:05:30,795 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 203.0) internal successors, (609), 3 states have internal predecessors, (609), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 12:05:30,797 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 266.0) internal successors, (1064), 4 states have internal predecessors, (1064), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 12:05:30,798 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 266.0) internal successors, (1064), 4 states have internal predecessors, (1064), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 12:05:30,798 INFO L175 Difference]: Start difference. First operand has 190 places, 190 transitions, 460 flow. Second operand 3 states and 609 transitions. [2023-11-26 12:05:30,798 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 190 places, 228 transitions, 769 flow [2023-11-26 12:05:30,804 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 188 places, 228 transitions, 749 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-11-26 12:05:30,808 INFO L231 Difference]: Finished difference. Result has 190 places, 181 transitions, 451 flow [2023-11-26 12:05:30,808 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=266, PETRI_DIFFERENCE_MINUEND_FLOW=444, PETRI_DIFFERENCE_MINUEND_PLACES=186, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=188, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=183, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=451, PETRI_PLACES=190, PETRI_TRANSITIONS=181} [2023-11-26 12:05:30,809 INFO L281 CegarLoopForPetriNet]: 245 programPoint places, -55 predicate places. [2023-11-26 12:05:30,809 INFO L495 AbstractCegarLoop]: Abstraction has has 190 places, 181 transitions, 451 flow [2023-11-26 12:05:30,810 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 181.0) internal successors, (543), 3 states have internal predecessors, (543), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 12:05:30,810 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-26 12:05:30,810 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-26 12:05:30,810 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2023-11-26 12:05:30,811 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 104 more)] === [2023-11-26 12:05:30,811 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 12:05:30,811 INFO L85 PathProgramCache]: Analyzing trace with hash 781701659, now seen corresponding path program 1 times [2023-11-26 12:05:30,811 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 12:05:30,812 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1017279964] [2023-11-26 12:05:30,812 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 12:05:30,812 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 12:05:30,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 12:05:31,460 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-26 12:05:31,461 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 12:05:31,461 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1017279964] [2023-11-26 12:05:31,461 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1017279964] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 12:05:31,461 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-26 12:05:31,461 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-26 12:05:31,462 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [831776578] [2023-11-26 12:05:31,462 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 12:05:31,462 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-26 12:05:31,463 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 12:05:31,463 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-26 12:05:31,463 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-11-26 12:05:31,668 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 177 out of 266 [2023-11-26 12:05:31,669 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 190 places, 181 transitions, 451 flow. Second operand has 6 states, 6 states have (on average 178.83333333333334) internal successors, (1073), 6 states have internal predecessors, (1073), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 12:05:31,670 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-26 12:05:31,670 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 177 of 266 [2023-11-26 12:05:31,670 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-26 12:05:48,428 INFO L124 PetriNetUnfolderBase]: 88624/123501 cut-off events. [2023-11-26 12:05:48,428 INFO L125 PetriNetUnfolderBase]: For 83288/83288 co-relation queries the response was YES. [2023-11-26 12:05:48,712 INFO L83 FinitePrefix]: Finished finitePrefix Result has 316785 conditions, 123501 events. 88624/123501 cut-off events. For 83288/83288 co-relation queries the response was YES. Maximal size of possible extension queue 4030. Compared 847524 event pairs, 9924 based on Foata normal form. 0/122751 useless extension candidates. Maximal degree in co-relation 89385. Up to 40653 conditions per place. [2023-11-26 12:05:49,276 INFO L140 encePairwiseOnDemand]: 261/266 looper letters, 210 selfloop transitions, 4 changer transitions 0/340 dead transitions. [2023-11-26 12:05:49,277 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 183 places, 340 transitions, 1485 flow [2023-11-26 12:05:49,277 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-26 12:05:49,277 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-11-26 12:05:49,281 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1197 transitions. [2023-11-26 12:05:49,282 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.75 [2023-11-26 12:05:49,283 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 1197 transitions. [2023-11-26 12:05:49,283 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 1197 transitions. [2023-11-26 12:05:49,284 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-26 12:05:49,284 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 1197 transitions. [2023-11-26 12:05:49,289 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 199.5) internal successors, (1197), 6 states have internal predecessors, (1197), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 12:05:49,294 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 266.0) internal successors, (1862), 7 states have internal predecessors, (1862), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 12:05:49,295 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 266.0) internal successors, (1862), 7 states have internal predecessors, (1862), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 12:05:49,296 INFO L175 Difference]: Start difference. First operand has 190 places, 181 transitions, 451 flow. Second operand 6 states and 1197 transitions. [2023-11-26 12:05:49,296 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 183 places, 340 transitions, 1485 flow [2023-11-26 12:05:49,319 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 181 places, 340 transitions, 1443 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-11-26 12:05:49,324 INFO L231 Difference]: Finished difference. Result has 181 places, 180 transitions, 447 flow [2023-11-26 12:05:49,325 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=266, PETRI_DIFFERENCE_MINUEND_FLOW=439, PETRI_DIFFERENCE_MINUEND_PLACES=176, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=180, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=176, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=447, PETRI_PLACES=181, PETRI_TRANSITIONS=180} [2023-11-26 12:05:49,326 INFO L281 CegarLoopForPetriNet]: 245 programPoint places, -64 predicate places. [2023-11-26 12:05:49,326 INFO L495 AbstractCegarLoop]: Abstraction has has 181 places, 180 transitions, 447 flow [2023-11-26 12:05:49,327 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 178.83333333333334) internal successors, (1073), 6 states have internal predecessors, (1073), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 12:05:49,327 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-26 12:05:49,327 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-26 12:05:49,328 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2023-11-26 12:05:49,328 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 104 more)] === [2023-11-26 12:05:49,328 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 12:05:49,329 INFO L85 PathProgramCache]: Analyzing trace with hash -1085871223, now seen corresponding path program 1 times [2023-11-26 12:05:49,329 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 12:05:49,329 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1302980079] [2023-11-26 12:05:49,329 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 12:05:49,329 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 12:05:49,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 12:05:50,343 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-26 12:05:50,344 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 12:05:50,344 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1302980079] [2023-11-26 12:05:50,344 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1302980079] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 12:05:50,344 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-26 12:05:50,345 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-26 12:05:50,350 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [489871086] [2023-11-26 12:05:50,350 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 12:05:50,351 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-26 12:05:50,352 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 12:05:50,353 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-26 12:05:50,354 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-11-26 12:05:50,564 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 177 out of 266 [2023-11-26 12:05:50,566 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 181 places, 180 transitions, 447 flow. Second operand has 6 states, 6 states have (on average 180.0) internal successors, (1080), 6 states have internal predecessors, (1080), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 12:05:50,566 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-26 12:05:50,566 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 177 of 266 [2023-11-26 12:05:50,566 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand