./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-data-race.prp --file ../../sv-benchmarks/c/weaver/chl-word-symm.wvr.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version 30e01a73 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_b882ff97-f855-4a96-8c4a-0fd3540dc259/bin/uautomizer-verify-zZY32mL2XJ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b882ff97-f855-4a96-8c4a-0fd3540dc259/bin/uautomizer-verify-zZY32mL2XJ/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b882ff97-f855-4a96-8c4a-0fd3540dc259/bin/uautomizer-verify-zZY32mL2XJ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b882ff97-f855-4a96-8c4a-0fd3540dc259/bin/uautomizer-verify-zZY32mL2XJ/config/AutomizerReach.xml -i ../../sv-benchmarks/c/weaver/chl-word-symm.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b882ff97-f855-4a96-8c4a-0fd3540dc259/bin/uautomizer-verify-zZY32mL2XJ/config/svcomp-DataRace-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b882ff97-f855-4a96-8c4a-0fd3540dc259/bin/uautomizer-verify-zZY32mL2XJ --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 bf81f7b3bd1ceac2bf46c7c37f69effc0af9de17b18c7565156301fb49a6164e --- Real Ultimate output --- This is Ultimate 0.2.3-dev-30e01a7 [2023-11-23 22:39:58,426 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-23 22:39:58,492 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b882ff97-f855-4a96-8c4a-0fd3540dc259/bin/uautomizer-verify-zZY32mL2XJ/config/svcomp-DataRace-32bit-Automizer_Default.epf [2023-11-23 22:39:58,497 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-23 22:39:58,498 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-23 22:39:58,524 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-23 22:39:58,525 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-23 22:39:58,526 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-23 22:39:58,527 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-23 22:39:58,527 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-23 22:39:58,528 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-23 22:39:58,529 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-23 22:39:58,529 INFO L153 SettingsManager]: * Use SBE=true [2023-11-23 22:39:58,530 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-23 22:39:58,531 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-23 22:39:58,531 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-23 22:39:58,532 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-23 22:39:58,532 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-23 22:39:58,533 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-23 22:39:58,534 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-23 22:39:58,534 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-23 22:39:58,535 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-23 22:39:58,535 INFO L153 SettingsManager]: * Check absence of data races in concurrent programs=true [2023-11-23 22:39:58,536 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-23 22:39:58,536 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-23 22:39:58,537 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-23 22:39:58,537 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-23 22:39:58,538 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-23 22:39:58,539 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-23 22:39:58,539 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-23 22:39:58,539 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-23 22:39:58,540 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-23 22:39:58,540 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-23 22:39:58,541 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-23 22:39:58,541 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-23 22:39:58,542 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-23 22:39:58,542 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-23 22:39:58,542 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-23 22:39:58,542 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-23 22:39:58,543 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-23 22:39:58,543 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-23 22:39:58,543 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_b882ff97-f855-4a96-8c4a-0fd3540dc259/bin/uautomizer-verify-zZY32mL2XJ/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b882ff97-f855-4a96-8c4a-0fd3540dc259/bin/uautomizer-verify-zZY32mL2XJ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> bf81f7b3bd1ceac2bf46c7c37f69effc0af9de17b18c7565156301fb49a6164e [2023-11-23 22:39:58,809 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-23 22:39:58,831 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-23 22:39:58,834 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-23 22:39:58,835 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-23 22:39:58,836 INFO L274 PluginConnector]: CDTParser initialized [2023-11-23 22:39:58,837 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b882ff97-f855-4a96-8c4a-0fd3540dc259/bin/uautomizer-verify-zZY32mL2XJ/../../sv-benchmarks/c/weaver/chl-word-symm.wvr.c [2023-11-23 22:40:01,906 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-23 22:40:02,135 INFO L384 CDTParser]: Found 1 translation units. [2023-11-23 22:40:02,135 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b882ff97-f855-4a96-8c4a-0fd3540dc259/sv-benchmarks/c/weaver/chl-word-symm.wvr.c [2023-11-23 22:40:02,143 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b882ff97-f855-4a96-8c4a-0fd3540dc259/bin/uautomizer-verify-zZY32mL2XJ/data/00fcca762/529f127852154941b2fd89963613da3f/FLAGfa631e380 [2023-11-23 22:40:02,491 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b882ff97-f855-4a96-8c4a-0fd3540dc259/bin/uautomizer-verify-zZY32mL2XJ/data/00fcca762/529f127852154941b2fd89963613da3f [2023-11-23 22:40:02,497 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-23 22:40:02,498 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-23 22:40:02,500 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-23 22:40:02,500 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-23 22:40:02,505 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-23 22:40:02,506 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 10:40:02" (1/1) ... [2023-11-23 22:40:02,507 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5693635e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:40:02, skipping insertion in model container [2023-11-23 22:40:02,508 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 10:40:02" (1/1) ... [2023-11-23 22:40:02,534 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-23 22:40:02,768 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 22:40:02,779 INFO L202 MainTranslator]: Completed pre-run [2023-11-23 22:40:02,823 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 22:40:02,840 INFO L206 MainTranslator]: Completed translation [2023-11-23 22:40:02,840 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:40:02 WrapperNode [2023-11-23 22:40:02,841 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-23 22:40:02,842 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-23 22:40:02,842 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-23 22:40:02,842 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-23 22:40:02,850 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:40:02" (1/1) ... [2023-11-23 22:40:02,866 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:40:02" (1/1) ... [2023-11-23 22:40:02,904 INFO L138 Inliner]: procedures = 24, calls = 36, calls flagged for inlining = 10, calls inlined = 12, statements flattened = 213 [2023-11-23 22:40:02,904 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-23 22:40:02,905 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-23 22:40:02,905 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-23 22:40:02,905 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-23 22:40:02,915 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:40:02" (1/1) ... [2023-11-23 22:40:02,915 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:40:02" (1/1) ... [2023-11-23 22:40:02,920 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:40:02" (1/1) ... [2023-11-23 22:40:02,921 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:40:02" (1/1) ... [2023-11-23 22:40:02,945 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:40:02" (1/1) ... [2023-11-23 22:40:02,950 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:40:02" (1/1) ... [2023-11-23 22:40:02,954 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:40:02" (1/1) ... [2023-11-23 22:40:02,957 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:40:02" (1/1) ... [2023-11-23 22:40:02,962 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-23 22:40:02,963 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-23 22:40:02,963 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-23 22:40:02,963 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-23 22:40:02,964 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:40:02" (1/1) ... [2023-11-23 22:40:02,970 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-23 22:40:02,986 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b882ff97-f855-4a96-8c4a-0fd3540dc259/bin/uautomizer-verify-zZY32mL2XJ/z3 [2023-11-23 22:40:03,003 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b882ff97-f855-4a96-8c4a-0fd3540dc259/bin/uautomizer-verify-zZY32mL2XJ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-23 22:40:03,013 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b882ff97-f855-4a96-8c4a-0fd3540dc259/bin/uautomizer-verify-zZY32mL2XJ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-23 22:40:03,046 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-23 22:40:03,047 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2023-11-23 22:40:03,047 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2023-11-23 22:40:03,048 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2023-11-23 22:40:03,048 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2023-11-23 22:40:03,048 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-23 22:40:03,048 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-23 22:40:03,048 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-23 22:40:03,049 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-23 22:40:03,049 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-23 22:40:03,049 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-23 22:40:03,049 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-23 22:40:03,049 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-23 22:40:03,051 WARN L213 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-11-23 22:40:03,170 INFO L241 CfgBuilder]: Building ICFG [2023-11-23 22:40:03,172 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-23 22:40:04,012 INFO L282 CfgBuilder]: Performing block encoding [2023-11-23 22:40:04,031 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-23 22:40:04,032 INFO L309 CfgBuilder]: Removed 4 assume(true) statements. [2023-11-23 22:40:04,034 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 10:40:04 BoogieIcfgContainer [2023-11-23 22:40:04,034 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-23 22:40:04,037 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-23 22:40:04,037 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-23 22:40:04,040 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-23 22:40:04,041 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 10:40:02" (1/3) ... [2023-11-23 22:40:04,041 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6b05dd87 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 10:40:04, skipping insertion in model container [2023-11-23 22:40:04,042 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:40:02" (2/3) ... [2023-11-23 22:40:04,042 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6b05dd87 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 10:40:04, skipping insertion in model container [2023-11-23 22:40:04,042 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 10:40:04" (3/3) ... [2023-11-23 22:40:04,044 INFO L112 eAbstractionObserver]: Analyzing ICFG chl-word-symm.wvr.c [2023-11-23 22:40:04,053 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2023-11-23 22:40:04,062 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-23 22:40:04,062 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 56 error locations. [2023-11-23 22:40:04,062 INFO L514 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-11-23 22:40:04,215 INFO L144 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2023-11-23 22:40:04,264 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 476 places, 495 transitions, 1004 flow [2023-11-23 22:40:04,463 INFO L124 PetriNetUnfolderBase]: 26/493 cut-off events. [2023-11-23 22:40:04,463 INFO L125 PetriNetUnfolderBase]: For 2/2 co-relation queries the response was YES. [2023-11-23 22:40:04,476 INFO L83 FinitePrefix]: Finished finitePrefix Result has 502 conditions, 493 events. 26/493 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 11. Compared 1066 event pairs, 0 based on Foata normal form. 0/411 useless extension candidates. Maximal degree in co-relation 292. Up to 3 conditions per place. [2023-11-23 22:40:04,476 INFO L82 GeneralOperation]: Start removeDead. Operand has 476 places, 495 transitions, 1004 flow [2023-11-23 22:40:04,489 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 452 places, 469 transitions, 950 flow [2023-11-23 22:40:04,500 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-23 22:40:04,507 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;@79e55901, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-23 22:40:04,507 INFO L358 AbstractCegarLoop]: Starting to check reachability of 96 error locations. [2023-11-23 22:40:04,512 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2023-11-23 22:40:04,512 INFO L124 PetriNetUnfolderBase]: 0/23 cut-off events. [2023-11-23 22:40:04,513 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2023-11-23 22:40:04,513 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-23 22:40:04,513 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 22:40:04,514 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err16ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE (and 92 more)] === [2023-11-23 22:40:04,519 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 22:40:04,519 INFO L85 PathProgramCache]: Analyzing trace with hash 1853403827, now seen corresponding path program 1 times [2023-11-23 22:40:04,529 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-23 22:40:04,529 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1341258064] [2023-11-23 22:40:04,529 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 22:40:04,530 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 22:40:04,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 22:40:04,716 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 22:40:04,716 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-23 22:40:04,716 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1341258064] [2023-11-23 22:40:04,717 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1341258064] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 22:40:04,717 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 22:40:04,718 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-23 22:40:04,719 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1374250974] [2023-11-23 22:40:04,720 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 22:40:04,727 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-23 22:40:04,733 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-23 22:40:04,759 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-23 22:40:04,759 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-23 22:40:04,805 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 468 out of 495 [2023-11-23 22:40:04,813 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 452 places, 469 transitions, 950 flow. Second operand has 3 states, 3 states have (on average 469.3333333333333) internal successors, (1408), 3 states have internal predecessors, (1408), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-23 22:40:04,813 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-23 22:40:04,813 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 468 of 495 [2023-11-23 22:40:04,814 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-23 22:40:05,036 INFO L124 PetriNetUnfolderBase]: 37/814 cut-off events. [2023-11-23 22:40:05,036 INFO L125 PetriNetUnfolderBase]: For 16/16 co-relation queries the response was YES. [2023-11-23 22:40:05,044 INFO L83 FinitePrefix]: Finished finitePrefix Result has 859 conditions, 814 events. 37/814 cut-off events. For 16/16 co-relation queries the response was YES. Maximal size of possible extension queue 20. Compared 3551 event pairs, 8 based on Foata normal form. 15/678 useless extension candidates. Maximal degree in co-relation 598. Up to 28 conditions per place. [2023-11-23 22:40:05,051 INFO L140 encePairwiseOnDemand]: 482/495 looper letters, 11 selfloop transitions, 2 changer transitions 6/458 dead transitions. [2023-11-23 22:40:05,051 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 453 places, 458 transitions, 954 flow [2023-11-23 22:40:05,052 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-23 22:40:05,055 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-23 22:40:05,067 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1428 transitions. [2023-11-23 22:40:05,072 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.9616161616161616 [2023-11-23 22:40:05,072 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1428 transitions. [2023-11-23 22:40:05,073 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1428 transitions. [2023-11-23 22:40:05,077 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-23 22:40:05,080 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1428 transitions. [2023-11-23 22:40:05,087 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 476.0) internal successors, (1428), 3 states have internal predecessors, (1428), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-23 22:40:05,097 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 495.0) internal successors, (1980), 4 states have internal predecessors, (1980), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-23 22:40:05,099 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 495.0) internal successors, (1980), 4 states have internal predecessors, (1980), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-23 22:40:05,101 INFO L175 Difference]: Start difference. First operand has 452 places, 469 transitions, 950 flow. Second operand 3 states and 1428 transitions. [2023-11-23 22:40:05,102 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 453 places, 458 transitions, 954 flow [2023-11-23 22:40:05,109 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 449 places, 458 transitions, 946 flow, removed 0 selfloop flow, removed 4 redundant places. [2023-11-23 22:40:05,120 INFO L231 Difference]: Finished difference. Result has 449 places, 452 transitions, 912 flow [2023-11-23 22:40:05,123 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=495, PETRI_DIFFERENCE_MINUEND_FLOW=920, PETRI_DIFFERENCE_MINUEND_PLACES=447, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=458, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=456, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=912, PETRI_PLACES=449, PETRI_TRANSITIONS=452} [2023-11-23 22:40:05,127 INFO L281 CegarLoopForPetriNet]: 452 programPoint places, -3 predicate places. [2023-11-23 22:40:05,127 INFO L495 AbstractCegarLoop]: Abstraction has has 449 places, 452 transitions, 912 flow [2023-11-23 22:40:05,129 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 469.3333333333333) internal successors, (1408), 3 states have internal predecessors, (1408), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-23 22:40:05,129 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-23 22:40:05,129 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] [2023-11-23 22:40:05,129 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-23 22:40:05,129 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err16ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE (and 92 more)] === [2023-11-23 22:40:05,130 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 22:40:05,130 INFO L85 PathProgramCache]: Analyzing trace with hash -1114717556, now seen corresponding path program 1 times [2023-11-23 22:40:05,130 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-23 22:40:05,131 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1543009527] [2023-11-23 22:40:05,131 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 22:40:05,131 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 22:40:05,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 22:40:05,195 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 22:40:05,195 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-23 22:40:05,195 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1543009527] [2023-11-23 22:40:05,196 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1543009527] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 22:40:05,196 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 22:40:05,196 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-23 22:40:05,196 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1190310373] [2023-11-23 22:40:05,196 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 22:40:05,198 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-23 22:40:05,198 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-23 22:40:05,199 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-23 22:40:05,199 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-23 22:40:05,227 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 468 out of 495 [2023-11-23 22:40:05,229 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 449 places, 452 transitions, 912 flow. Second operand has 3 states, 3 states have (on average 469.3333333333333) internal successors, (1408), 3 states have internal predecessors, (1408), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-23 22:40:05,230 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-23 22:40:05,230 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 468 of 495 [2023-11-23 22:40:05,230 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-23 22:40:05,462 INFO L124 PetriNetUnfolderBase]: 37/798 cut-off events. [2023-11-23 22:40:05,462 INFO L125 PetriNetUnfolderBase]: For 4/4 co-relation queries the response was YES. [2023-11-23 22:40:05,468 INFO L83 FinitePrefix]: Finished finitePrefix Result has 836 conditions, 798 events. 37/798 cut-off events. For 4/4 co-relation queries the response was YES. Maximal size of possible extension queue 21. Compared 3515 event pairs, 8 based on Foata normal form. 0/660 useless extension candidates. Maximal degree in co-relation 804. Up to 28 conditions per place. [2023-11-23 22:40:05,474 INFO L140 encePairwiseOnDemand]: 492/495 looper letters, 11 selfloop transitions, 2 changer transitions 0/451 dead transitions. [2023-11-23 22:40:05,474 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 444 places, 451 transitions, 936 flow [2023-11-23 22:40:05,475 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-23 22:40:05,475 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-23 22:40:05,478 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1418 transitions. [2023-11-23 22:40:05,479 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.9548821548821549 [2023-11-23 22:40:05,480 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1418 transitions. [2023-11-23 22:40:05,480 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1418 transitions. [2023-11-23 22:40:05,481 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-23 22:40:05,481 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1418 transitions. [2023-11-23 22:40:05,485 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 472.6666666666667) internal successors, (1418), 3 states have internal predecessors, (1418), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-23 22:40:05,490 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 495.0) internal successors, (1980), 4 states have internal predecessors, (1980), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-23 22:40:05,491 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 495.0) internal successors, (1980), 4 states have internal predecessors, (1980), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-23 22:40:05,492 INFO L175 Difference]: Start difference. First operand has 449 places, 452 transitions, 912 flow. Second operand 3 states and 1418 transitions. [2023-11-23 22:40:05,492 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 444 places, 451 transitions, 936 flow [2023-11-23 22:40:05,496 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 442 places, 451 transitions, 932 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-11-23 22:40:05,527 INFO L231 Difference]: Finished difference. Result has 442 places, 451 transitions, 910 flow [2023-11-23 22:40:05,528 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=495, PETRI_DIFFERENCE_MINUEND_FLOW=906, PETRI_DIFFERENCE_MINUEND_PLACES=440, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=451, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=449, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=910, PETRI_PLACES=442, PETRI_TRANSITIONS=451} [2023-11-23 22:40:05,530 INFO L281 CegarLoopForPetriNet]: 452 programPoint places, -10 predicate places. [2023-11-23 22:40:05,530 INFO L495 AbstractCegarLoop]: Abstraction has has 442 places, 451 transitions, 910 flow [2023-11-23 22:40:05,531 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 469.3333333333333) internal successors, (1408), 3 states have internal predecessors, (1408), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-23 22:40:05,531 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-23 22:40:05,532 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] [2023-11-23 22:40:05,533 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-11-23 22:40:05,535 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err16ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE (and 92 more)] === [2023-11-23 22:40:05,536 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 22:40:05,537 INFO L85 PathProgramCache]: Analyzing trace with hash -1995982717, now seen corresponding path program 1 times [2023-11-23 22:40:05,537 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-23 22:40:05,537 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1129579076] [2023-11-23 22:40:05,537 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 22:40:05,538 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 22:40:05,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 22:40:05,636 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 22:40:05,637 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-23 22:40:05,637 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1129579076] [2023-11-23 22:40:05,637 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1129579076] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 22:40:05,638 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 22:40:05,638 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-23 22:40:05,638 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1164340183] [2023-11-23 22:40:05,638 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 22:40:05,639 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-23 22:40:05,639 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-23 22:40:05,640 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-23 22:40:05,640 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-23 22:40:05,680 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 467 out of 495 [2023-11-23 22:40:05,683 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 442 places, 451 transitions, 910 flow. Second operand has 3 states, 3 states have (on average 468.3333333333333) internal successors, (1405), 3 states have internal predecessors, (1405), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-23 22:40:05,683 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-23 22:40:05,683 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 467 of 495 [2023-11-23 22:40:05,683 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-23 22:40:05,851 INFO L124 PetriNetUnfolderBase]: 32/720 cut-off events. [2023-11-23 22:40:05,852 INFO L125 PetriNetUnfolderBase]: For 4/4 co-relation queries the response was YES. [2023-11-23 22:40:05,857 INFO L83 FinitePrefix]: Finished finitePrefix Result has 759 conditions, 720 events. 32/720 cut-off events. For 4/4 co-relation queries the response was YES. Maximal size of possible extension queue 20. Compared 2894 event pairs, 8 based on Foata normal form. 0/599 useless extension candidates. Maximal degree in co-relation 719. Up to 29 conditions per place. [2023-11-23 22:40:05,863 INFO L140 encePairwiseOnDemand]: 492/495 looper letters, 12 selfloop transitions, 2 changer transitions 0/450 dead transitions. [2023-11-23 22:40:05,863 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 443 places, 450 transitions, 936 flow [2023-11-23 22:40:05,864 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-23 22:40:05,864 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-23 22:40:05,868 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1416 transitions. [2023-11-23 22:40:05,869 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.9535353535353536 [2023-11-23 22:40:05,869 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1416 transitions. [2023-11-23 22:40:05,869 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1416 transitions. [2023-11-23 22:40:05,870 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-23 22:40:05,870 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1416 transitions. [2023-11-23 22:40:05,875 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 472.0) internal successors, (1416), 3 states have internal predecessors, (1416), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-23 22:40:05,879 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 495.0) internal successors, (1980), 4 states have internal predecessors, (1980), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-23 22:40:05,881 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 495.0) internal successors, (1980), 4 states have internal predecessors, (1980), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-23 22:40:05,882 INFO L175 Difference]: Start difference. First operand has 442 places, 451 transitions, 910 flow. Second operand 3 states and 1416 transitions. [2023-11-23 22:40:05,882 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 443 places, 450 transitions, 936 flow [2023-11-23 22:40:05,886 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 441 places, 450 transitions, 932 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-11-23 22:40:05,893 INFO L231 Difference]: Finished difference. Result has 441 places, 450 transitions, 908 flow [2023-11-23 22:40:05,894 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=495, PETRI_DIFFERENCE_MINUEND_FLOW=904, PETRI_DIFFERENCE_MINUEND_PLACES=439, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=450, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=448, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=908, PETRI_PLACES=441, PETRI_TRANSITIONS=450} [2023-11-23 22:40:05,896 INFO L281 CegarLoopForPetriNet]: 452 programPoint places, -11 predicate places. [2023-11-23 22:40:05,896 INFO L495 AbstractCegarLoop]: Abstraction has has 441 places, 450 transitions, 908 flow [2023-11-23 22:40:05,897 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 468.3333333333333) internal successors, (1405), 3 states have internal predecessors, (1405), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-23 22:40:05,898 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-23 22:40:05,898 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] [2023-11-23 22:40:05,898 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-11-23 22:40:05,898 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err16ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE (and 92 more)] === [2023-11-23 22:40:05,899 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 22:40:05,900 INFO L85 PathProgramCache]: Analyzing trace with hash -1190209823, now seen corresponding path program 1 times [2023-11-23 22:40:05,900 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-23 22:40:05,900 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1848790784] [2023-11-23 22:40:05,900 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 22:40:05,901 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 22:40:05,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 22:40:06,006 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 22:40:06,006 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-23 22:40:06,007 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1848790784] [2023-11-23 22:40:06,007 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1848790784] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 22:40:06,007 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 22:40:06,008 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-23 22:40:06,008 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [388938841] [2023-11-23 22:40:06,008 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 22:40:06,009 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-23 22:40:06,010 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-23 22:40:06,012 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-23 22:40:06,017 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-23 22:40:06,055 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 467 out of 495 [2023-11-23 22:40:06,057 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 441 places, 450 transitions, 908 flow. Second operand has 3 states, 3 states have (on average 468.3333333333333) internal successors, (1405), 3 states have internal predecessors, (1405), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-23 22:40:06,058 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-23 22:40:06,058 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 467 of 495 [2023-11-23 22:40:06,058 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-23 22:40:06,252 INFO L124 PetriNetUnfolderBase]: 36/791 cut-off events. [2023-11-23 22:40:06,252 INFO L125 PetriNetUnfolderBase]: For 4/5 co-relation queries the response was YES. [2023-11-23 22:40:06,257 INFO L83 FinitePrefix]: Finished finitePrefix Result has 831 conditions, 791 events. 36/791 cut-off events. For 4/5 co-relation queries the response was YES. Maximal size of possible extension queue 19. Compared 3348 event pairs, 8 based on Foata normal form. 0/654 useless extension candidates. Maximal degree in co-relation 783. Up to 30 conditions per place. [2023-11-23 22:40:06,262 INFO L140 encePairwiseOnDemand]: 492/495 looper letters, 12 selfloop transitions, 2 changer transitions 0/449 dead transitions. [2023-11-23 22:40:06,263 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 442 places, 449 transitions, 934 flow [2023-11-23 22:40:06,263 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-23 22:40:06,263 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-23 22:40:06,267 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1416 transitions. [2023-11-23 22:40:06,269 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.9535353535353536 [2023-11-23 22:40:06,269 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1416 transitions. [2023-11-23 22:40:06,269 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1416 transitions. [2023-11-23 22:40:06,271 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-23 22:40:06,271 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1416 transitions. [2023-11-23 22:40:06,275 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 472.0) internal successors, (1416), 3 states have internal predecessors, (1416), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-23 22:40:06,280 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 495.0) internal successors, (1980), 4 states have internal predecessors, (1980), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-23 22:40:06,283 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 495.0) internal successors, (1980), 4 states have internal predecessors, (1980), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-23 22:40:06,283 INFO L175 Difference]: Start difference. First operand has 441 places, 450 transitions, 908 flow. Second operand 3 states and 1416 transitions. [2023-11-23 22:40:06,283 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 442 places, 449 transitions, 934 flow [2023-11-23 22:40:06,287 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 440 places, 449 transitions, 930 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-11-23 22:40:06,300 INFO L231 Difference]: Finished difference. Result has 440 places, 449 transitions, 906 flow [2023-11-23 22:40:06,301 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=495, PETRI_DIFFERENCE_MINUEND_FLOW=902, PETRI_DIFFERENCE_MINUEND_PLACES=438, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=449, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=447, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=906, PETRI_PLACES=440, PETRI_TRANSITIONS=449} [2023-11-23 22:40:06,303 INFO L281 CegarLoopForPetriNet]: 452 programPoint places, -12 predicate places. [2023-11-23 22:40:06,303 INFO L495 AbstractCegarLoop]: Abstraction has has 440 places, 449 transitions, 906 flow [2023-11-23 22:40:06,305 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 468.3333333333333) internal successors, (1405), 3 states have internal predecessors, (1405), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-23 22:40:06,305 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-23 22:40:06,305 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] [2023-11-23 22:40:06,305 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-11-23 22:40:06,306 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err16ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE (and 92 more)] === [2023-11-23 22:40:06,307 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 22:40:06,307 INFO L85 PathProgramCache]: Analyzing trace with hash 1474171749, now seen corresponding path program 1 times [2023-11-23 22:40:06,307 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-23 22:40:06,309 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1963200850] [2023-11-23 22:40:06,309 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 22:40:06,310 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 22:40:06,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 22:40:06,375 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 22:40:06,376 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-23 22:40:06,376 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1963200850] [2023-11-23 22:40:06,376 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1963200850] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 22:40:06,376 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 22:40:06,376 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-23 22:40:06,377 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1918980587] [2023-11-23 22:40:06,377 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 22:40:06,377 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-23 22:40:06,378 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-23 22:40:06,378 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-23 22:40:06,378 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-23 22:40:06,402 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 463 out of 495 [2023-11-23 22:40:06,405 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 440 places, 449 transitions, 906 flow. Second operand has 3 states, 3 states have (on average 464.0) internal successors, (1392), 3 states have internal predecessors, (1392), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-23 22:40:06,405 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-23 22:40:06,405 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 463 of 495 [2023-11-23 22:40:06,405 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-23 22:40:06,662 INFO L124 PetriNetUnfolderBase]: 83/1223 cut-off events. [2023-11-23 22:40:06,663 INFO L125 PetriNetUnfolderBase]: For 12/13 co-relation queries the response was YES. [2023-11-23 22:40:06,672 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1316 conditions, 1223 events. 83/1223 cut-off events. For 12/13 co-relation queries the response was YES. Maximal size of possible extension queue 31. Compared 7039 event pairs, 24 based on Foata normal form. 0/1013 useless extension candidates. Maximal degree in co-relation 1260. Up to 81 conditions per place. [2023-11-23 22:40:06,681 INFO L140 encePairwiseOnDemand]: 489/495 looper letters, 14 selfloop transitions, 1 changer transitions 0/444 dead transitions. [2023-11-23 22:40:06,681 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 437 places, 444 transitions, 926 flow [2023-11-23 22:40:06,682 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-23 22:40:06,682 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-23 22:40:06,685 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1409 transitions. [2023-11-23 22:40:06,686 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.9488215488215488 [2023-11-23 22:40:06,687 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1409 transitions. [2023-11-23 22:40:06,687 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1409 transitions. [2023-11-23 22:40:06,688 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-23 22:40:06,688 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1409 transitions. [2023-11-23 22:40:06,693 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 469.6666666666667) internal successors, (1409), 3 states have internal predecessors, (1409), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-23 22:40:06,697 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 495.0) internal successors, (1980), 4 states have internal predecessors, (1980), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-23 22:40:06,699 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 495.0) internal successors, (1980), 4 states have internal predecessors, (1980), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-23 22:40:06,699 INFO L175 Difference]: Start difference. First operand has 440 places, 449 transitions, 906 flow. Second operand 3 states and 1409 transitions. [2023-11-23 22:40:06,700 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 437 places, 444 transitions, 926 flow [2023-11-23 22:40:06,704 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 435 places, 444 transitions, 922 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-11-23 22:40:06,711 INFO L231 Difference]: Finished difference. Result has 435 places, 444 transitions, 894 flow [2023-11-23 22:40:06,712 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=495, PETRI_DIFFERENCE_MINUEND_FLOW=892, PETRI_DIFFERENCE_MINUEND_PLACES=433, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=444, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=443, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=894, PETRI_PLACES=435, PETRI_TRANSITIONS=444} [2023-11-23 22:40:06,713 INFO L281 CegarLoopForPetriNet]: 452 programPoint places, -17 predicate places. [2023-11-23 22:40:06,713 INFO L495 AbstractCegarLoop]: Abstraction has has 435 places, 444 transitions, 894 flow [2023-11-23 22:40:06,715 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 464.0) internal successors, (1392), 3 states have internal predecessors, (1392), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-23 22:40:06,715 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-23 22:40:06,715 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] [2023-11-23 22:40:06,715 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2023-11-23 22:40:06,716 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err16ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE (and 92 more)] === [2023-11-23 22:40:06,716 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 22:40:06,716 INFO L85 PathProgramCache]: Analyzing trace with hash 847181566, now seen corresponding path program 1 times [2023-11-23 22:40:06,717 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-23 22:40:06,717 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1303826657] [2023-11-23 22:40:06,717 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 22:40:06,717 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 22:40:06,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 22:40:07,491 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 22:40:07,492 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-23 22:40:07,492 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1303826657] [2023-11-23 22:40:07,492 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1303826657] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 22:40:07,492 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 22:40:07,492 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-23 22:40:07,493 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1485025203] [2023-11-23 22:40:07,493 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 22:40:07,494 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-23 22:40:07,494 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-23 22:40:07,494 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-23 22:40:07,495 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-11-23 22:40:07,893 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 411 out of 495 [2023-11-23 22:40:07,897 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 435 places, 444 transitions, 894 flow. Second operand has 6 states, 6 states have (on average 412.5) internal successors, (2475), 6 states have internal predecessors, (2475), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-23 22:40:07,897 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-23 22:40:07,897 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 411 of 495 [2023-11-23 22:40:07,897 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-23 22:40:10,838 INFO L124 PetriNetUnfolderBase]: 3068/12604 cut-off events. [2023-11-23 22:40:10,838 INFO L125 PetriNetUnfolderBase]: For 48/56 co-relation queries the response was YES. [2023-11-23 22:40:10,895 INFO L83 FinitePrefix]: Finished finitePrefix Result has 16931 conditions, 12604 events. 3068/12604 cut-off events. For 48/56 co-relation queries the response was YES. Maximal size of possible extension queue 340. Compared 134162 event pairs, 2528 based on Foata normal form. 0/10606 useless extension candidates. Maximal degree in co-relation 16876. Up to 4296 conditions per place. [2023-11-23 22:40:10,973 INFO L140 encePairwiseOnDemand]: 483/495 looper letters, 60 selfloop transitions, 10 changer transitions 0/442 dead transitions. [2023-11-23 22:40:10,973 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 438 places, 442 transitions, 1030 flow [2023-11-23 22:40:10,974 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-23 22:40:10,974 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-11-23 22:40:10,980 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 2538 transitions. [2023-11-23 22:40:10,982 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.8545454545454545 [2023-11-23 22:40:10,982 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 2538 transitions. [2023-11-23 22:40:10,983 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 2538 transitions. [2023-11-23 22:40:10,985 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-23 22:40:10,985 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 2538 transitions. [2023-11-23 22:40:10,993 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 423.0) internal successors, (2538), 6 states have internal predecessors, (2538), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-23 22:40:11,001 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 495.0) internal successors, (3465), 7 states have internal predecessors, (3465), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-23 22:40:11,005 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 495.0) internal successors, (3465), 7 states have internal predecessors, (3465), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-23 22:40:11,005 INFO L175 Difference]: Start difference. First operand has 435 places, 444 transitions, 894 flow. Second operand 6 states and 2538 transitions. [2023-11-23 22:40:11,006 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 438 places, 442 transitions, 1030 flow [2023-11-23 22:40:11,009 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 437 places, 442 transitions, 1029 flow, removed 0 selfloop flow, removed 1 redundant places. [2023-11-23 22:40:11,017 INFO L231 Difference]: Finished difference. Result has 437 places, 442 transitions, 909 flow [2023-11-23 22:40:11,018 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=495, PETRI_DIFFERENCE_MINUEND_FLOW=889, PETRI_DIFFERENCE_MINUEND_PLACES=432, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=442, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=10, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=432, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=909, PETRI_PLACES=437, PETRI_TRANSITIONS=442} [2023-11-23 22:40:11,021 INFO L281 CegarLoopForPetriNet]: 452 programPoint places, -15 predicate places. [2023-11-23 22:40:11,021 INFO L495 AbstractCegarLoop]: Abstraction has has 437 places, 442 transitions, 909 flow [2023-11-23 22:40:11,022 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 412.5) internal successors, (2475), 6 states have internal predecessors, (2475), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-23 22:40:11,023 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-23 22:40:11,023 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] [2023-11-23 22:40:11,023 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2023-11-23 22:40:11,065 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err16ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE (and 92 more)] === [2023-11-23 22:40:11,065 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 22:40:11,065 INFO L85 PathProgramCache]: Analyzing trace with hash -2027688426, now seen corresponding path program 1 times [2023-11-23 22:40:11,065 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-23 22:40:11,066 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2063133171] [2023-11-23 22:40:11,066 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 22:40:11,066 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 22:40:11,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 22:40:11,142 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 22:40:11,143 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-23 22:40:11,143 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2063133171] [2023-11-23 22:40:11,143 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2063133171] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 22:40:11,143 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 22:40:11,144 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-23 22:40:11,144 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [161546102] [2023-11-23 22:40:11,144 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 22:40:11,148 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-23 22:40:11,150 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-23 22:40:11,150 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-23 22:40:11,151 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-23 22:40:11,181 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 468 out of 495 [2023-11-23 22:40:11,184 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 437 places, 442 transitions, 909 flow. Second operand has 3 states, 3 states have (on average 469.3333333333333) internal successors, (1408), 3 states have internal predecessors, (1408), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-23 22:40:11,184 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-23 22:40:11,184 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 468 of 495 [2023-11-23 22:40:11,185 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-23 22:40:11,344 INFO L124 PetriNetUnfolderBase]: 32/707 cut-off events. [2023-11-23 22:40:11,344 INFO L125 PetriNetUnfolderBase]: For 4/5 co-relation queries the response was YES. [2023-11-23 22:40:11,350 INFO L83 FinitePrefix]: Finished finitePrefix Result has 754 conditions, 707 events. 32/707 cut-off events. For 4/5 co-relation queries the response was YES. Maximal size of possible extension queue 17. Compared 2729 event pairs, 8 based on Foata normal form. 0/600 useless extension candidates. Maximal degree in co-relation 721. Up to 28 conditions per place. [2023-11-23 22:40:11,354 INFO L140 encePairwiseOnDemand]: 492/495 looper letters, 11 selfloop transitions, 2 changer transitions 0/441 dead transitions. [2023-11-23 22:40:11,354 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 438 places, 441 transitions, 933 flow [2023-11-23 22:40:11,355 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-23 22:40:11,355 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-23 22:40:11,359 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1418 transitions. [2023-11-23 22:40:11,360 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.9548821548821549 [2023-11-23 22:40:11,361 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1418 transitions. [2023-11-23 22:40:11,361 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1418 transitions. [2023-11-23 22:40:11,362 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-23 22:40:11,363 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1418 transitions. [2023-11-23 22:40:11,367 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 472.6666666666667) internal successors, (1418), 3 states have internal predecessors, (1418), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-23 22:40:11,372 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 495.0) internal successors, (1980), 4 states have internal predecessors, (1980), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-23 22:40:11,382 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 495.0) internal successors, (1980), 4 states have internal predecessors, (1980), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-23 22:40:11,390 INFO L175 Difference]: Start difference. First operand has 437 places, 442 transitions, 909 flow. Second operand 3 states and 1418 transitions. [2023-11-23 22:40:11,390 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 438 places, 441 transitions, 933 flow [2023-11-23 22:40:11,395 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 433 places, 441 transitions, 913 flow, removed 0 selfloop flow, removed 5 redundant places. [2023-11-23 22:40:11,403 INFO L231 Difference]: Finished difference. Result has 433 places, 441 transitions, 891 flow [2023-11-23 22:40:11,404 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=495, PETRI_DIFFERENCE_MINUEND_FLOW=887, PETRI_DIFFERENCE_MINUEND_PLACES=431, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=441, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=439, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=891, PETRI_PLACES=433, PETRI_TRANSITIONS=441} [2023-11-23 22:40:11,405 INFO L281 CegarLoopForPetriNet]: 452 programPoint places, -19 predicate places. [2023-11-23 22:40:11,405 INFO L495 AbstractCegarLoop]: Abstraction has has 433 places, 441 transitions, 891 flow [2023-11-23 22:40:11,406 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 469.3333333333333) internal successors, (1408), 3 states have internal predecessors, (1408), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-23 22:40:11,406 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-23 22:40:11,407 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 22:40:11,407 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2023-11-23 22:40:11,407 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err16ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE (and 92 more)] === [2023-11-23 22:40:11,408 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 22:40:11,408 INFO L85 PathProgramCache]: Analyzing trace with hash 1508614875, now seen corresponding path program 1 times [2023-11-23 22:40:11,408 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-23 22:40:11,408 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1734771708] [2023-11-23 22:40:11,410 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 22:40:11,410 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 22:40:11,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 22:40:11,466 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 22:40:11,466 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-23 22:40:11,467 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1734771708] [2023-11-23 22:40:11,468 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1734771708] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 22:40:11,468 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 22:40:11,468 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-23 22:40:11,468 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1368640093] [2023-11-23 22:40:11,468 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 22:40:11,470 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-23 22:40:11,472 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-23 22:40:11,472 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-23 22:40:11,473 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-23 22:40:11,500 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 463 out of 495 [2023-11-23 22:40:11,502 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 433 places, 441 transitions, 891 flow. Second operand has 3 states, 3 states have (on average 464.0) internal successors, (1392), 3 states have internal predecessors, (1392), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-23 22:40:11,502 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-23 22:40:11,503 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 463 of 495 [2023-11-23 22:40:11,503 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-23 22:40:11,741 INFO L124 PetriNetUnfolderBase]: 80/1080 cut-off events. [2023-11-23 22:40:11,742 INFO L125 PetriNetUnfolderBase]: For 14/15 co-relation queries the response was YES. [2023-11-23 22:40:11,751 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1175 conditions, 1080 events. 80/1080 cut-off events. For 14/15 co-relation queries the response was YES. Maximal size of possible extension queue 30. Compared 5883 event pairs, 24 based on Foata normal form. 0/912 useless extension candidates. Maximal degree in co-relation 1119. Up to 82 conditions per place. [2023-11-23 22:40:11,756 INFO L140 encePairwiseOnDemand]: 489/495 looper letters, 14 selfloop transitions, 1 changer transitions 0/436 dead transitions. [2023-11-23 22:40:11,757 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 430 places, 436 transitions, 911 flow [2023-11-23 22:40:11,757 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-23 22:40:11,757 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-23 22:40:11,761 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1409 transitions. [2023-11-23 22:40:11,763 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.9488215488215488 [2023-11-23 22:40:11,763 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1409 transitions. [2023-11-23 22:40:11,763 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1409 transitions. [2023-11-23 22:40:11,764 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-23 22:40:11,765 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1409 transitions. [2023-11-23 22:40:11,769 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 469.6666666666667) internal successors, (1409), 3 states have internal predecessors, (1409), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-23 22:40:11,773 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 495.0) internal successors, (1980), 4 states have internal predecessors, (1980), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-23 22:40:11,774 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 495.0) internal successors, (1980), 4 states have internal predecessors, (1980), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-23 22:40:11,774 INFO L175 Difference]: Start difference. First operand has 433 places, 441 transitions, 891 flow. Second operand 3 states and 1409 transitions. [2023-11-23 22:40:11,775 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 430 places, 436 transitions, 911 flow [2023-11-23 22:40:11,779 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 428 places, 436 transitions, 907 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-11-23 22:40:11,787 INFO L231 Difference]: Finished difference. Result has 428 places, 436 transitions, 879 flow [2023-11-23 22:40:11,789 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=495, PETRI_DIFFERENCE_MINUEND_FLOW=877, PETRI_DIFFERENCE_MINUEND_PLACES=426, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=436, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=435, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=879, PETRI_PLACES=428, PETRI_TRANSITIONS=436} [2023-11-23 22:40:11,792 INFO L281 CegarLoopForPetriNet]: 452 programPoint places, -24 predicate places. [2023-11-23 22:40:11,792 INFO L495 AbstractCegarLoop]: Abstraction has has 428 places, 436 transitions, 879 flow [2023-11-23 22:40:11,793 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 464.0) internal successors, (1392), 3 states have internal predecessors, (1392), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-23 22:40:11,793 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-23 22:40:11,795 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 22:40:11,795 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2023-11-23 22:40:11,795 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err16ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE (and 92 more)] === [2023-11-23 22:40:11,796 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 22:40:11,796 INFO L85 PathProgramCache]: Analyzing trace with hash -1441639092, now seen corresponding path program 1 times [2023-11-23 22:40:11,796 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-23 22:40:11,797 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1339390458] [2023-11-23 22:40:11,797 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 22:40:11,797 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 22:40:11,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 22:40:11,867 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 22:40:11,867 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-23 22:40:11,867 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1339390458] [2023-11-23 22:40:11,868 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1339390458] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 22:40:11,868 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 22:40:11,869 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-23 22:40:11,869 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1925346809] [2023-11-23 22:40:11,869 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 22:40:11,870 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-23 22:40:11,871 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-23 22:40:11,871 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-23 22:40:11,872 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-23 22:40:11,896 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 468 out of 495 [2023-11-23 22:40:11,898 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 428 places, 436 transitions, 879 flow. Second operand has 3 states, 3 states have (on average 469.3333333333333) internal successors, (1408), 3 states have internal predecessors, (1408), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-23 22:40:11,899 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-23 22:40:11,899 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 468 of 495 [2023-11-23 22:40:11,899 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-23 22:40:12,084 INFO L124 PetriNetUnfolderBase]: 32/697 cut-off events. [2023-11-23 22:40:12,084 INFO L125 PetriNetUnfolderBase]: For 4/5 co-relation queries the response was YES. [2023-11-23 22:40:12,088 INFO L83 FinitePrefix]: Finished finitePrefix Result has 735 conditions, 697 events. 32/697 cut-off events. For 4/5 co-relation queries the response was YES. Maximal size of possible extension queue 14. Compared 2606 event pairs, 8 based on Foata normal form. 0/599 useless extension candidates. Maximal degree in co-relation 679. Up to 28 conditions per place. [2023-11-23 22:40:12,091 INFO L140 encePairwiseOnDemand]: 492/495 looper letters, 11 selfloop transitions, 2 changer transitions 0/435 dead transitions. [2023-11-23 22:40:12,091 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 429 places, 435 transitions, 903 flow [2023-11-23 22:40:12,092 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-23 22:40:12,092 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-23 22:40:12,095 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1418 transitions. [2023-11-23 22:40:12,097 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.9548821548821549 [2023-11-23 22:40:12,097 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1418 transitions. [2023-11-23 22:40:12,097 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1418 transitions. [2023-11-23 22:40:12,098 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-23 22:40:12,098 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1418 transitions. [2023-11-23 22:40:12,102 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 472.6666666666667) internal successors, (1418), 3 states have internal predecessors, (1418), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-23 22:40:12,106 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 495.0) internal successors, (1980), 4 states have internal predecessors, (1980), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-23 22:40:12,107 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 495.0) internal successors, (1980), 4 states have internal predecessors, (1980), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-23 22:40:12,107 INFO L175 Difference]: Start difference. First operand has 428 places, 436 transitions, 879 flow. Second operand 3 states and 1418 transitions. [2023-11-23 22:40:12,107 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 429 places, 435 transitions, 903 flow [2023-11-23 22:40:12,111 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 428 places, 435 transitions, 902 flow, removed 0 selfloop flow, removed 1 redundant places. [2023-11-23 22:40:12,119 INFO L231 Difference]: Finished difference. Result has 428 places, 435 transitions, 880 flow [2023-11-23 22:40:12,120 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=495, PETRI_DIFFERENCE_MINUEND_FLOW=876, PETRI_DIFFERENCE_MINUEND_PLACES=426, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=435, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=433, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=880, PETRI_PLACES=428, PETRI_TRANSITIONS=435} [2023-11-23 22:40:12,121 INFO L281 CegarLoopForPetriNet]: 452 programPoint places, -24 predicate places. [2023-11-23 22:40:12,121 INFO L495 AbstractCegarLoop]: Abstraction has has 428 places, 435 transitions, 880 flow [2023-11-23 22:40:12,122 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 469.3333333333333) internal successors, (1408), 3 states have internal predecessors, (1408), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-23 22:40:12,122 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-23 22:40:12,123 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 22:40:12,123 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2023-11-23 22:40:12,123 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting thread1Err0ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err16ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE (and 92 more)] === [2023-11-23 22:40:12,124 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 22:40:12,124 INFO L85 PathProgramCache]: Analyzing trace with hash 1041724651, now seen corresponding path program 1 times [2023-11-23 22:40:12,124 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-23 22:40:12,125 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019155708] [2023-11-23 22:40:12,125 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 22:40:12,125 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 22:40:12,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 22:40:12,188 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 22:40:12,189 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-23 22:40:12,189 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019155708] [2023-11-23 22:40:12,189 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2019155708] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 22:40:12,189 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 22:40:12,189 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-23 22:40:12,190 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [594098126] [2023-11-23 22:40:12,190 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 22:40:12,191 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-23 22:40:12,191 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-23 22:40:12,192 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-23 22:40:12,193 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-23 22:40:12,215 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 466 out of 495 [2023-11-23 22:40:12,217 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 428 places, 435 transitions, 880 flow. Second operand has 3 states, 3 states have (on average 467.3333333333333) internal successors, (1402), 3 states have internal predecessors, (1402), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-23 22:40:12,217 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-23 22:40:12,217 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 466 of 495 [2023-11-23 22:40:12,217 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-23 22:40:12,407 INFO L124 PetriNetUnfolderBase]: 73/1172 cut-off events. [2023-11-23 22:40:12,407 INFO L125 PetriNetUnfolderBase]: For 6/6 co-relation queries the response was YES. [2023-11-23 22:40:12,414 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1246 conditions, 1172 events. 73/1172 cut-off events. For 6/6 co-relation queries the response was YES. Maximal size of possible extension queue 31. Compared 6688 event pairs, 16 based on Foata normal form. 0/997 useless extension candidates. Maximal degree in co-relation 1190. Up to 58 conditions per place. [2023-11-23 22:40:12,419 INFO L140 encePairwiseOnDemand]: 489/495 looper letters, 14 selfloop transitions, 2 changer transitions 0/434 dead transitions. [2023-11-23 22:40:12,420 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 426 places, 434 transitions, 911 flow [2023-11-23 22:40:12,420 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-23 22:40:12,420 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-23 22:40:12,424 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1418 transitions. [2023-11-23 22:40:12,425 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.9548821548821549 [2023-11-23 22:40:12,425 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1418 transitions. [2023-11-23 22:40:12,426 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1418 transitions. [2023-11-23 22:40:12,427 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-23 22:40:12,427 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1418 transitions. [2023-11-23 22:40:12,431 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 472.6666666666667) internal successors, (1418), 3 states have internal predecessors, (1418), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-23 22:40:12,435 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 495.0) internal successors, (1980), 4 states have internal predecessors, (1980), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-23 22:40:12,436 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 495.0) internal successors, (1980), 4 states have internal predecessors, (1980), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-23 22:40:12,436 INFO L175 Difference]: Start difference. First operand has 428 places, 435 transitions, 880 flow. Second operand 3 states and 1418 transitions. [2023-11-23 22:40:12,436 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 426 places, 434 transitions, 911 flow [2023-11-23 22:40:12,440 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 424 places, 434 transitions, 907 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-11-23 22:40:12,447 INFO L231 Difference]: Finished difference. Result has 425 places, 433 transitions, 882 flow [2023-11-23 22:40:12,448 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=495, PETRI_DIFFERENCE_MINUEND_FLOW=868, PETRI_DIFFERENCE_MINUEND_PLACES=422, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=431, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=429, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=882, PETRI_PLACES=425, PETRI_TRANSITIONS=433} [2023-11-23 22:40:12,449 INFO L281 CegarLoopForPetriNet]: 452 programPoint places, -27 predicate places. [2023-11-23 22:40:12,449 INFO L495 AbstractCegarLoop]: Abstraction has has 425 places, 433 transitions, 882 flow [2023-11-23 22:40:12,450 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 467.3333333333333) internal successors, (1402), 3 states have internal predecessors, (1402), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-23 22:40:12,450 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-23 22:40:12,451 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 22:40:12,451 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2023-11-23 22:40:12,451 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting thread1Err1ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err16ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE (and 92 more)] === [2023-11-23 22:40:12,451 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 22:40:12,452 INFO L85 PathProgramCache]: Analyzing trace with hash 370045869, now seen corresponding path program 1 times [2023-11-23 22:40:12,452 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-23 22:40:12,452 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [381494722] [2023-11-23 22:40:12,452 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 22:40:12,452 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 22:40:12,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 22:40:12,506 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 22:40:12,507 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-23 22:40:12,507 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [381494722] [2023-11-23 22:40:12,507 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [381494722] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 22:40:12,507 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 22:40:12,507 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-23 22:40:12,508 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2123351157] [2023-11-23 22:40:12,508 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 22:40:12,508 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-23 22:40:12,509 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-23 22:40:12,509 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-23 22:40:12,509 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-23 22:40:12,527 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 466 out of 495 [2023-11-23 22:40:12,529 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 425 places, 433 transitions, 882 flow. Second operand has 3 states, 3 states have (on average 467.3333333333333) internal successors, (1402), 3 states have internal predecessors, (1402), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-23 22:40:12,529 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-23 22:40:12,530 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 466 of 495 [2023-11-23 22:40:12,530 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-23 22:40:12,709 INFO L124 PetriNetUnfolderBase]: 70/1123 cut-off events. [2023-11-23 22:40:12,710 INFO L125 PetriNetUnfolderBase]: For 7/7 co-relation queries the response was YES. [2023-11-23 22:40:12,717 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1207 conditions, 1123 events. 70/1123 cut-off events. For 7/7 co-relation queries the response was YES. Maximal size of possible extension queue 33. Compared 6503 event pairs, 16 based on Foata normal form. 0/974 useless extension candidates. Maximal degree in co-relation 1151. Up to 61 conditions per place. [2023-11-23 22:40:12,721 INFO L140 encePairwiseOnDemand]: 489/495 looper letters, 14 selfloop transitions, 2 changer transitions 0/432 dead transitions. [2023-11-23 22:40:12,722 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 423 places, 432 transitions, 913 flow [2023-11-23 22:40:12,722 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-23 22:40:12,722 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-23 22:40:12,726 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1418 transitions. [2023-11-23 22:40:12,727 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.9548821548821549 [2023-11-23 22:40:12,727 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1418 transitions. [2023-11-23 22:40:12,727 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1418 transitions. [2023-11-23 22:40:12,729 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-23 22:40:12,729 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1418 transitions. [2023-11-23 22:40:12,733 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 472.6666666666667) internal successors, (1418), 3 states have internal predecessors, (1418), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-23 22:40:12,736 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 495.0) internal successors, (1980), 4 states have internal predecessors, (1980), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-23 22:40:12,737 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 495.0) internal successors, (1980), 4 states have internal predecessors, (1980), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-23 22:40:12,737 INFO L175 Difference]: Start difference. First operand has 425 places, 433 transitions, 882 flow. Second operand 3 states and 1418 transitions. [2023-11-23 22:40:12,737 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 423 places, 432 transitions, 913 flow [2023-11-23 22:40:12,741 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 423 places, 432 transitions, 913 flow, removed 0 selfloop flow, removed 0 redundant places. [2023-11-23 22:40:12,748 INFO L231 Difference]: Finished difference. Result has 424 places, 431 transitions, 888 flow [2023-11-23 22:40:12,749 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=495, PETRI_DIFFERENCE_MINUEND_FLOW=874, PETRI_DIFFERENCE_MINUEND_PLACES=421, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=429, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=427, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=888, PETRI_PLACES=424, PETRI_TRANSITIONS=431} [2023-11-23 22:40:12,749 INFO L281 CegarLoopForPetriNet]: 452 programPoint places, -28 predicate places. [2023-11-23 22:40:12,750 INFO L495 AbstractCegarLoop]: Abstraction has has 424 places, 431 transitions, 888 flow [2023-11-23 22:40:12,750 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 467.3333333333333) internal successors, (1402), 3 states have internal predecessors, (1402), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-23 22:40:12,751 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-23 22:40:12,751 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 22:40:12,751 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2023-11-23 22:40:12,751 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err16ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE (and 92 more)] === [2023-11-23 22:40:12,752 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 22:40:12,752 INFO L85 PathProgramCache]: Analyzing trace with hash -454966718, now seen corresponding path program 1 times [2023-11-23 22:40:12,752 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-23 22:40:12,752 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [189078505] [2023-11-23 22:40:12,753 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 22:40:12,753 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 22:40:12,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 22:40:13,822 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 22:40:13,823 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-23 22:40:13,823 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [189078505] [2023-11-23 22:40:13,823 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [189078505] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 22:40:13,823 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 22:40:13,823 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-23 22:40:13,824 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [61362399] [2023-11-23 22:40:13,824 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 22:40:13,824 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-23 22:40:13,825 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-23 22:40:13,825 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-23 22:40:13,825 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-11-23 22:40:14,588 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 461 out of 495 [2023-11-23 22:40:14,592 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 424 places, 431 transitions, 888 flow. Second operand has 6 states, 6 states have (on average 462.5) internal successors, (2775), 6 states have internal predecessors, (2775), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-23 22:40:14,592 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-23 22:40:14,593 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 461 of 495 [2023-11-23 22:40:14,593 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-23 22:40:14,765 INFO L124 PetriNetUnfolderBase]: 26/630 cut-off events. [2023-11-23 22:40:14,765 INFO L125 PetriNetUnfolderBase]: For 2/8 co-relation queries the response was YES. [2023-11-23 22:40:14,770 INFO L83 FinitePrefix]: Finished finitePrefix Result has 670 conditions, 630 events. 26/630 cut-off events. For 2/8 co-relation queries the response was YES. Maximal size of possible extension queue 18. Compared 2227 event pairs, 0 based on Foata normal form. 4/560 useless extension candidates. Maximal degree in co-relation 612. Up to 13 conditions per place. [2023-11-23 22:40:14,773 INFO L140 encePairwiseOnDemand]: 490/495 looper letters, 15 selfloop transitions, 4 changer transitions 0/430 dead transitions. [2023-11-23 22:40:14,774 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 428 places, 430 transitions, 924 flow [2023-11-23 22:40:14,774 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-23 22:40:14,774 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-11-23 22:40:14,782 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 2786 transitions. [2023-11-23 22:40:14,784 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.938047138047138 [2023-11-23 22:40:14,785 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 2786 transitions. [2023-11-23 22:40:14,785 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 2786 transitions. [2023-11-23 22:40:14,787 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-23 22:40:14,787 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 2786 transitions. [2023-11-23 22:40:14,796 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 464.3333333333333) internal successors, (2786), 6 states have internal predecessors, (2786), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-23 22:40:14,804 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 495.0) internal successors, (3465), 7 states have internal predecessors, (3465), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-23 22:40:14,805 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 495.0) internal successors, (3465), 7 states have internal predecessors, (3465), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-23 22:40:14,806 INFO L175 Difference]: Start difference. First operand has 424 places, 431 transitions, 888 flow. Second operand 6 states and 2786 transitions. [2023-11-23 22:40:14,806 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 428 places, 430 transitions, 924 flow [2023-11-23 22:40:14,810 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 428 places, 430 transitions, 924 flow, removed 0 selfloop flow, removed 0 redundant places. [2023-11-23 22:40:14,818 INFO L231 Difference]: Finished difference. Result has 428 places, 430 transitions, 894 flow [2023-11-23 22:40:14,819 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=495, PETRI_DIFFERENCE_MINUEND_FLOW=886, PETRI_DIFFERENCE_MINUEND_PLACES=423, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=430, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=426, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=894, PETRI_PLACES=428, PETRI_TRANSITIONS=430} [2023-11-23 22:40:14,820 INFO L281 CegarLoopForPetriNet]: 452 programPoint places, -24 predicate places. [2023-11-23 22:40:14,820 INFO L495 AbstractCegarLoop]: Abstraction has has 428 places, 430 transitions, 894 flow [2023-11-23 22:40:14,821 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 462.5) internal successors, (2775), 6 states have internal predecessors, (2775), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-23 22:40:14,822 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-23 22:40:14,822 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 22:40:14,822 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2023-11-23 22:40:14,822 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting thread1Err18ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err16ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE (and 92 more)] === [2023-11-23 22:40:14,823 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 22:40:14,823 INFO L85 PathProgramCache]: Analyzing trace with hash -2082258855, now seen corresponding path program 1 times [2023-11-23 22:40:14,823 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-23 22:40:14,823 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1680625375] [2023-11-23 22:40:14,823 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 22:40:14,824 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 22:40:14,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 22:40:14,893 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 22:40:14,894 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-23 22:40:14,894 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1680625375] [2023-11-23 22:40:14,894 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1680625375] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 22:40:14,894 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 22:40:14,894 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-23 22:40:14,894 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1695828361] [2023-11-23 22:40:14,895 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 22:40:14,895 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-23 22:40:14,895 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-23 22:40:14,896 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-23 22:40:14,896 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-23 22:40:14,928 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 469 out of 495 [2023-11-23 22:40:14,930 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 428 places, 430 transitions, 894 flow. Second operand has 3 states, 3 states have (on average 470.3333333333333) internal successors, (1411), 3 states have internal predecessors, (1411), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-23 22:40:14,930 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-23 22:40:14,930 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 469 of 495 [2023-11-23 22:40:14,930 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-23 22:40:15,125 INFO L124 PetriNetUnfolderBase]: 47/979 cut-off events. [2023-11-23 22:40:15,126 INFO L125 PetriNetUnfolderBase]: For 2/5 co-relation queries the response was YES. [2023-11-23 22:40:15,133 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1054 conditions, 979 events. 47/979 cut-off events. For 2/5 co-relation queries the response was YES. Maximal size of possible extension queue 20. Compared 4481 event pairs, 4 based on Foata normal form. 1/856 useless extension candidates. Maximal degree in co-relation 997. Up to 20 conditions per place. [2023-11-23 22:40:15,137 INFO L140 encePairwiseOnDemand]: 492/495 looper letters, 12 selfloop transitions, 2 changer transitions 0/430 dead transitions. [2023-11-23 22:40:15,137 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 429 places, 430 transitions, 923 flow [2023-11-23 22:40:15,137 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-23 22:40:15,138 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-23 22:40:15,142 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1422 transitions. [2023-11-23 22:40:15,143 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.9575757575757575 [2023-11-23 22:40:15,143 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1422 transitions. [2023-11-23 22:40:15,143 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1422 transitions. [2023-11-23 22:40:15,145 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-23 22:40:15,145 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1422 transitions. [2023-11-23 22:40:15,149 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 474.0) internal successors, (1422), 3 states have internal predecessors, (1422), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-23 22:40:15,153 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 495.0) internal successors, (1980), 4 states have internal predecessors, (1980), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-23 22:40:15,154 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 495.0) internal successors, (1980), 4 states have internal predecessors, (1980), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-23 22:40:15,155 INFO L175 Difference]: Start difference. First operand has 428 places, 430 transitions, 894 flow. Second operand 3 states and 1422 transitions. [2023-11-23 22:40:15,155 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 429 places, 430 transitions, 923 flow [2023-11-23 22:40:15,160 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 425 places, 430 transitions, 916 flow, removed 0 selfloop flow, removed 4 redundant places. [2023-11-23 22:40:15,168 INFO L231 Difference]: Finished difference. Result has 425 places, 429 transitions, 889 flow [2023-11-23 22:40:15,169 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=495, PETRI_DIFFERENCE_MINUEND_FLOW=885, PETRI_DIFFERENCE_MINUEND_PLACES=423, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=429, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=427, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=889, PETRI_PLACES=425, PETRI_TRANSITIONS=429} [2023-11-23 22:40:15,170 INFO L281 CegarLoopForPetriNet]: 452 programPoint places, -27 predicate places. [2023-11-23 22:40:15,170 INFO L495 AbstractCegarLoop]: Abstraction has has 425 places, 429 transitions, 889 flow [2023-11-23 22:40:15,171 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 470.3333333333333) internal successors, (1411), 3 states have internal predecessors, (1411), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-23 22:40:15,171 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-23 22:40:15,171 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 22:40:15,171 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2023-11-23 22:40:15,171 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting thread1Err4ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err16ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE (and 92 more)] === [2023-11-23 22:40:15,172 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 22:40:15,172 INFO L85 PathProgramCache]: Analyzing trace with hash 1742084389, now seen corresponding path program 1 times [2023-11-23 22:40:15,172 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-23 22:40:15,173 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [623596557] [2023-11-23 22:40:15,173 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 22:40:15,173 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 22:40:15,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 22:40:15,231 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 22:40:15,231 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-23 22:40:15,231 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [623596557] [2023-11-23 22:40:15,232 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [623596557] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 22:40:15,232 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 22:40:15,232 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-23 22:40:15,232 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [145880042] [2023-11-23 22:40:15,232 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 22:40:15,233 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-23 22:40:15,233 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-23 22:40:15,234 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-23 22:40:15,234 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-23 22:40:15,246 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 471 out of 495 [2023-11-23 22:40:15,248 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 425 places, 429 transitions, 889 flow. Second operand has 3 states, 3 states have (on average 472.6666666666667) internal successors, (1418), 3 states have internal predecessors, (1418), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-23 22:40:15,248 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-23 22:40:15,248 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 471 of 495 [2023-11-23 22:40:15,249 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-23 22:40:15,397 INFO L124 PetriNetUnfolderBase]: 44/838 cut-off events. [2023-11-23 22:40:15,398 INFO L125 PetriNetUnfolderBase]: For 3/11 co-relation queries the response was YES. [2023-11-23 22:40:15,403 INFO L83 FinitePrefix]: Finished finitePrefix Result has 906 conditions, 838 events. 44/838 cut-off events. For 3/11 co-relation queries the response was YES. Maximal size of possible extension queue 23. Compared 3894 event pairs, 6 based on Foata normal form. 1/735 useless extension candidates. Maximal degree in co-relation 849. Up to 25 conditions per place. [2023-11-23 22:40:15,407 INFO L140 encePairwiseOnDemand]: 491/495 looper letters, 11 selfloop transitions, 3 changer transitions 0/431 dead transitions. [2023-11-23 22:40:15,407 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 427 places, 431 transitions, 922 flow [2023-11-23 22:40:15,407 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-23 22:40:15,407 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-23 22:40:15,411 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1428 transitions. [2023-11-23 22:40:15,412 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.9616161616161616 [2023-11-23 22:40:15,412 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1428 transitions. [2023-11-23 22:40:15,412 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1428 transitions. [2023-11-23 22:40:15,413 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-23 22:40:15,413 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1428 transitions. [2023-11-23 22:40:15,417 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 476.0) internal successors, (1428), 3 states have internal predecessors, (1428), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-23 22:40:15,421 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 495.0) internal successors, (1980), 4 states have internal predecessors, (1980), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-23 22:40:15,421 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 495.0) internal successors, (1980), 4 states have internal predecessors, (1980), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-23 22:40:15,421 INFO L175 Difference]: Start difference. First operand has 425 places, 429 transitions, 889 flow. Second operand 3 states and 1428 transitions. [2023-11-23 22:40:15,422 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 427 places, 431 transitions, 922 flow [2023-11-23 22:40:15,425 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 425 places, 431 transitions, 918 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-11-23 22:40:15,432 INFO L231 Difference]: Finished difference. Result has 427 places, 430 transitions, 903 flow [2023-11-23 22:40:15,433 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=495, PETRI_DIFFERENCE_MINUEND_FLOW=885, PETRI_DIFFERENCE_MINUEND_PLACES=423, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=429, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=426, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=903, PETRI_PLACES=427, PETRI_TRANSITIONS=430} [2023-11-23 22:40:15,434 INFO L281 CegarLoopForPetriNet]: 452 programPoint places, -25 predicate places. [2023-11-23 22:40:15,434 INFO L495 AbstractCegarLoop]: Abstraction has has 427 places, 430 transitions, 903 flow [2023-11-23 22:40:15,434 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 472.6666666666667) internal successors, (1418), 3 states have internal predecessors, (1418), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-23 22:40:15,435 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-23 22:40:15,435 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 22:40:15,435 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2023-11-23 22:40:15,435 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting thread1Err4ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err16ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE (and 92 more)] === [2023-11-23 22:40:15,435 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 22:40:15,436 INFO L85 PathProgramCache]: Analyzing trace with hash -1229121056, now seen corresponding path program 1 times [2023-11-23 22:40:15,436 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-23 22:40:15,436 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1616560632] [2023-11-23 22:40:15,436 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 22:40:15,436 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 22:40:15,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 22:40:15,492 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 22:40:15,492 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-23 22:40:15,492 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1616560632] [2023-11-23 22:40:15,493 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1616560632] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 22:40:15,493 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 22:40:15,493 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-23 22:40:15,493 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1931368564] [2023-11-23 22:40:15,493 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 22:40:15,494 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-23 22:40:15,494 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-23 22:40:15,494 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-23 22:40:15,494 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-23 22:40:15,512 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 466 out of 495 [2023-11-23 22:40:15,514 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 427 places, 430 transitions, 903 flow. Second operand has 3 states, 3 states have (on average 467.3333333333333) internal successors, (1402), 3 states have internal predecessors, (1402), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-23 22:40:15,514 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-23 22:40:15,514 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 466 of 495 [2023-11-23 22:40:15,514 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-23 22:40:15,848 INFO L124 PetriNetUnfolderBase]: 100/1473 cut-off events. [2023-11-23 22:40:15,848 INFO L125 PetriNetUnfolderBase]: For 24/25 co-relation queries the response was YES. [2023-11-23 22:40:15,858 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1627 conditions, 1473 events. 100/1473 cut-off events. For 24/25 co-relation queries the response was YES. Maximal size of possible extension queue 35. Compared 8714 event pairs, 12 based on Foata normal form. 0/1285 useless extension candidates. Maximal degree in co-relation 1569. Up to 89 conditions per place. [2023-11-23 22:40:15,862 INFO L140 encePairwiseOnDemand]: 489/495 looper letters, 16 selfloop transitions, 2 changer transitions 0/431 dead transitions. [2023-11-23 22:40:15,863 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 425 places, 431 transitions, 944 flow [2023-11-23 22:40:15,863 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-23 22:40:15,863 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-23 22:40:15,867 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1420 transitions. [2023-11-23 22:40:15,868 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.9562289562289562 [2023-11-23 22:40:15,868 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1420 transitions. [2023-11-23 22:40:15,868 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1420 transitions. [2023-11-23 22:40:15,869 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-23 22:40:15,870 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1420 transitions. [2023-11-23 22:40:15,873 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 473.3333333333333) internal successors, (1420), 3 states have internal predecessors, (1420), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-23 22:40:15,877 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 495.0) internal successors, (1980), 4 states have internal predecessors, (1980), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-23 22:40:15,878 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 495.0) internal successors, (1980), 4 states have internal predecessors, (1980), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-23 22:40:15,878 INFO L175 Difference]: Start difference. First operand has 427 places, 430 transitions, 903 flow. Second operand 3 states and 1420 transitions. [2023-11-23 22:40:15,878 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 425 places, 431 transitions, 944 flow [2023-11-23 22:40:15,883 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 423 places, 431 transitions, 938 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-11-23 22:40:15,889 INFO L231 Difference]: Finished difference. Result has 424 places, 428 transitions, 903 flow [2023-11-23 22:40:15,891 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=495, PETRI_DIFFERENCE_MINUEND_FLOW=889, PETRI_DIFFERENCE_MINUEND_PLACES=421, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=426, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=424, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=903, PETRI_PLACES=424, PETRI_TRANSITIONS=428} [2023-11-23 22:40:15,892 INFO L281 CegarLoopForPetriNet]: 452 programPoint places, -28 predicate places. [2023-11-23 22:40:15,892 INFO L495 AbstractCegarLoop]: Abstraction has has 424 places, 428 transitions, 903 flow [2023-11-23 22:40:15,893 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 467.3333333333333) internal successors, (1402), 3 states have internal predecessors, (1402), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-23 22:40:15,893 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-23 22:40:15,893 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 22:40:15,893 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2023-11-23 22:40:15,893 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting thread2Err18ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err16ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE (and 92 more)] === [2023-11-23 22:40:15,894 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 22:40:15,894 INFO L85 PathProgramCache]: Analyzing trace with hash -757436681, now seen corresponding path program 1 times [2023-11-23 22:40:15,894 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-23 22:40:15,894 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [93302570] [2023-11-23 22:40:15,894 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 22:40:15,895 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 22:40:15,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 22:40:15,953 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 22:40:15,954 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-23 22:40:15,954 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [93302570] [2023-11-23 22:40:15,956 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [93302570] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 22:40:15,956 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 22:40:15,956 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-23 22:40:15,957 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [602023793] [2023-11-23 22:40:15,957 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 22:40:15,958 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-23 22:40:15,958 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-23 22:40:15,959 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-23 22:40:15,959 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-23 22:40:15,984 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 469 out of 495 [2023-11-23 22:40:15,986 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 424 places, 428 transitions, 903 flow. Second operand has 3 states, 3 states have (on average 470.6666666666667) internal successors, (1412), 3 states have internal predecessors, (1412), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-23 22:40:15,986 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-23 22:40:15,986 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 469 of 495 [2023-11-23 22:40:15,986 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-23 22:40:16,156 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([1328] thread2EXIT-->L100-7: Formula: (and (= 0 v_thread2Thread1of1ForFork1_thidvar2_4) (= (let ((.cse0 (mod |v_ULTIMATE.start_main_#t~mem36#1_6| 4294967296))) (ite (<= .cse0 2147483647) .cse0 (+ (- 4294967296) .cse0))) v_thread2Thread1of1ForFork1_thidvar0_4) (= 0 v_thread2Thread1of1ForFork1_thidvar1_4)) InVars {thread2Thread1of1ForFork1_thidvar2=v_thread2Thread1of1ForFork1_thidvar2_4, ULTIMATE.start_main_#t~mem36#1=|v_ULTIMATE.start_main_#t~mem36#1_6|, thread2Thread1of1ForFork1_thidvar0=v_thread2Thread1of1ForFork1_thidvar0_4, thread2Thread1of1ForFork1_thidvar1=v_thread2Thread1of1ForFork1_thidvar1_4} OutVars{thread2Thread1of1ForFork1_thidvar2=v_thread2Thread1of1ForFork1_thidvar2_4, ULTIMATE.start_main_#t~mem36#1=|v_ULTIMATE.start_main_#t~mem36#1_6|, thread2Thread1of1ForFork1_thidvar0=v_thread2Thread1of1ForFork1_thidvar0_4, thread2Thread1of1ForFork1_thidvar1=v_thread2Thread1of1ForFork1_thidvar1_4} AuxVars[] AssignedVars[][332], [Black: 541#(not |thread1Thread1of1ForFork0_#t~short2|), 497#(= |#race~n1~0| 0), 525#(= |#race~count2~0| 0), 533#(and (= (select (select |#race| |ULTIMATE.start_main_~#t1~0#1.base|) |ULTIMATE.start_main_~#t1~0#1.offset|) 0) (= (select (select |#race| |ULTIMATE.start_main_~#t1~0#1.base|) (+ |ULTIMATE.start_main_~#t1~0#1.offset| 1)) 0) (= (select (select |#race| |ULTIMATE.start_main_~#t1~0#1.base|) (+ 2 |ULTIMATE.start_main_~#t1~0#1.offset|)) 0) (= (select (select |#race| |ULTIMATE.start_main_~#t1~0#1.base|) (+ 3 |ULTIMATE.start_main_~#t1~0#1.offset|)) 0)), Black: 545#true, 399#L100-7true, 512#(= |#race~n2~0| 0), 547#(= |#race~get1~0| 0), Black: 518#true, 550#true, Black: 523#true, 520#(= |#race~count1~0| 0)]) [2023-11-23 22:40:16,156 INFO L294 olderBase$Statistics]: this new event has 209 ancestors and is not cut-off event [2023-11-23 22:40:16,157 INFO L297 olderBase$Statistics]: existing Event has 240 ancestors and is not cut-off event [2023-11-23 22:40:16,157 INFO L297 olderBase$Statistics]: existing Event has 212 ancestors and is not cut-off event [2023-11-23 22:40:16,157 INFO L297 olderBase$Statistics]: existing Event has 212 ancestors and is not cut-off event [2023-11-23 22:40:16,165 INFO L124 PetriNetUnfolderBase]: 61/966 cut-off events. [2023-11-23 22:40:16,165 INFO L125 PetriNetUnfolderBase]: For 20/26 co-relation queries the response was YES. [2023-11-23 22:40:16,173 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1081 conditions, 966 events. 61/966 cut-off events. For 20/26 co-relation queries the response was YES. Maximal size of possible extension queue 26. Compared 4793 event pairs, 5 based on Foata normal form. 1/851 useless extension candidates. Maximal degree in co-relation 1023. Up to 52 conditions per place. [2023-11-23 22:40:16,177 INFO L140 encePairwiseOnDemand]: 492/495 looper letters, 12 selfloop transitions, 2 changer transitions 0/428 dead transitions. [2023-11-23 22:40:16,177 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 425 places, 428 transitions, 932 flow [2023-11-23 22:40:16,178 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-23 22:40:16,178 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-23 22:40:16,181 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1422 transitions. [2023-11-23 22:40:16,182 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.9575757575757575 [2023-11-23 22:40:16,182 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1422 transitions. [2023-11-23 22:40:16,182 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1422 transitions. [2023-11-23 22:40:16,184 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-23 22:40:16,184 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1422 transitions. [2023-11-23 22:40:16,187 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 474.0) internal successors, (1422), 3 states have internal predecessors, (1422), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-23 22:40:16,191 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 495.0) internal successors, (1980), 4 states have internal predecessors, (1980), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-23 22:40:16,191 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 495.0) internal successors, (1980), 4 states have internal predecessors, (1980), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-23 22:40:16,192 INFO L175 Difference]: Start difference. First operand has 424 places, 428 transitions, 903 flow. Second operand 3 states and 1422 transitions. [2023-11-23 22:40:16,193 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 425 places, 428 transitions, 932 flow [2023-11-23 22:40:16,198 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 425 places, 428 transitions, 932 flow, removed 0 selfloop flow, removed 0 redundant places. [2023-11-23 22:40:16,204 INFO L231 Difference]: Finished difference. Result has 425 places, 427 transitions, 905 flow [2023-11-23 22:40:16,205 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=495, PETRI_DIFFERENCE_MINUEND_FLOW=901, PETRI_DIFFERENCE_MINUEND_PLACES=423, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=427, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=425, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=905, PETRI_PLACES=425, PETRI_TRANSITIONS=427} [2023-11-23 22:40:16,205 INFO L281 CegarLoopForPetriNet]: 452 programPoint places, -27 predicate places. [2023-11-23 22:40:16,206 INFO L495 AbstractCegarLoop]: Abstraction has has 425 places, 427 transitions, 905 flow [2023-11-23 22:40:16,208 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 470.6666666666667) internal successors, (1412), 3 states have internal predecessors, (1412), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-23 22:40:16,208 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-23 22:40:16,209 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 22:40:16,209 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2023-11-23 22:40:16,209 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting thread2Err4ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err16ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE (and 92 more)] === [2023-11-23 22:40:16,209 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 22:40:16,209 INFO L85 PathProgramCache]: Analyzing trace with hash -138101064, now seen corresponding path program 1 times [2023-11-23 22:40:16,210 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-23 22:40:16,210 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1513461009] [2023-11-23 22:40:16,210 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 22:40:16,210 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 22:40:16,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 22:40:16,274 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 22:40:16,275 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-23 22:40:16,275 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1513461009] [2023-11-23 22:40:16,275 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1513461009] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 22:40:16,275 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 22:40:16,275 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-23 22:40:16,275 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1524855156] [2023-11-23 22:40:16,275 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 22:40:16,276 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-23 22:40:16,276 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-23 22:40:16,277 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-23 22:40:16,277 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-23 22:40:16,286 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 471 out of 495 [2023-11-23 22:40:16,287 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 425 places, 427 transitions, 905 flow. Second operand has 3 states, 3 states have (on average 473.0) internal successors, (1419), 3 states have internal predecessors, (1419), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-23 22:40:16,287 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-23 22:40:16,288 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 471 of 495 [2023-11-23 22:40:16,288 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-23 22:40:16,499 INFO L124 PetriNetUnfolderBase]: 81/1061 cut-off events. [2023-11-23 22:40:16,499 INFO L125 PetriNetUnfolderBase]: For 36/38 co-relation queries the response was YES. [2023-11-23 22:40:16,509 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1241 conditions, 1061 events. 81/1061 cut-off events. For 36/38 co-relation queries the response was YES. Maximal size of possible extension queue 28. Compared 5657 event pairs, 12 based on Foata normal form. 0/934 useless extension candidates. Maximal degree in co-relation 1219. Up to 86 conditions per place. [2023-11-23 22:40:16,514 INFO L140 encePairwiseOnDemand]: 491/495 looper letters, 11 selfloop transitions, 3 changer transitions 0/429 dead transitions. [2023-11-23 22:40:16,514 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 427 places, 429 transitions, 938 flow [2023-11-23 22:40:16,515 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-23 22:40:16,515 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-23 22:40:16,519 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1428 transitions. [2023-11-23 22:40:16,520 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.9616161616161616 [2023-11-23 22:40:16,520 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1428 transitions. [2023-11-23 22:40:16,520 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1428 transitions. [2023-11-23 22:40:16,521 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-23 22:40:16,521 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1428 transitions. [2023-11-23 22:40:16,525 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 476.0) internal successors, (1428), 3 states have internal predecessors, (1428), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-23 22:40:16,529 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 495.0) internal successors, (1980), 4 states have internal predecessors, (1980), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-23 22:40:16,530 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 495.0) internal successors, (1980), 4 states have internal predecessors, (1980), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-23 22:40:16,530 INFO L175 Difference]: Start difference. First operand has 425 places, 427 transitions, 905 flow. Second operand 3 states and 1428 transitions. [2023-11-23 22:40:16,530 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 427 places, 429 transitions, 938 flow [2023-11-23 22:40:16,535 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 425 places, 429 transitions, 934 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-11-23 22:40:16,543 INFO L231 Difference]: Finished difference. Result has 427 places, 428 transitions, 919 flow [2023-11-23 22:40:16,544 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=495, PETRI_DIFFERENCE_MINUEND_FLOW=901, PETRI_DIFFERENCE_MINUEND_PLACES=423, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=427, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=424, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=919, PETRI_PLACES=427, PETRI_TRANSITIONS=428} [2023-11-23 22:40:16,544 INFO L281 CegarLoopForPetriNet]: 452 programPoint places, -25 predicate places. [2023-11-23 22:40:16,545 INFO L495 AbstractCegarLoop]: Abstraction has has 427 places, 428 transitions, 919 flow [2023-11-23 22:40:16,545 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 473.0) internal successors, (1419), 3 states have internal predecessors, (1419), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-23 22:40:16,545 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-23 22:40:16,546 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 22:40:16,546 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2023-11-23 22:40:16,546 INFO L420 AbstractCegarLoop]: === Iteration 18 === Targeting thread1Err15ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err16ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE (and 92 more)] === [2023-11-23 22:40:16,546 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 22:40:16,546 INFO L85 PathProgramCache]: Analyzing trace with hash -524879720, now seen corresponding path program 1 times [2023-11-23 22:40:16,547 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-23 22:40:16,547 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1761403721] [2023-11-23 22:40:16,547 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 22:40:16,547 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 22:40:16,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 22:40:16,598 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 22:40:16,598 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-23 22:40:16,598 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1761403721] [2023-11-23 22:40:16,599 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1761403721] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 22:40:16,599 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 22:40:16,599 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-23 22:40:16,599 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1671904711] [2023-11-23 22:40:16,599 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 22:40:16,600 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-23 22:40:16,600 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-23 22:40:16,600 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-23 22:40:16,601 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-23 22:40:16,629 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 469 out of 495 [2023-11-23 22:40:16,630 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 427 places, 428 transitions, 919 flow. Second operand has 3 states, 3 states have (on average 470.3333333333333) internal successors, (1411), 3 states have internal predecessors, (1411), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-23 22:40:16,631 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-23 22:40:16,631 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 469 of 495 [2023-11-23 22:40:16,631 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-23 22:40:16,882 INFO L124 PetriNetUnfolderBase]: 75/1365 cut-off events. [2023-11-23 22:40:16,883 INFO L125 PetriNetUnfolderBase]: For 32/41 co-relation queries the response was YES. [2023-11-23 22:40:16,893 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1584 conditions, 1365 events. 75/1365 cut-off events. For 32/41 co-relation queries the response was YES. Maximal size of possible extension queue 27. Compared 7617 event pairs, 4 based on Foata normal form. 2/1235 useless extension candidates. Maximal degree in co-relation 1524. Up to 36 conditions per place. [2023-11-23 22:40:16,898 INFO L140 encePairwiseOnDemand]: 492/495 looper letters, 12 selfloop transitions, 2 changer transitions 0/428 dead transitions. [2023-11-23 22:40:16,898 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 428 places, 428 transitions, 948 flow [2023-11-23 22:40:16,899 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-23 22:40:16,899 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-23 22:40:16,902 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1422 transitions. [2023-11-23 22:40:16,903 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.9575757575757575 [2023-11-23 22:40:16,904 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1422 transitions. [2023-11-23 22:40:16,904 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1422 transitions. [2023-11-23 22:40:16,905 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-23 22:40:16,905 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1422 transitions. [2023-11-23 22:40:16,909 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 474.0) internal successors, (1422), 3 states have internal predecessors, (1422), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-23 22:40:16,912 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 495.0) internal successors, (1980), 4 states have internal predecessors, (1980), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-23 22:40:16,913 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 495.0) internal successors, (1980), 4 states have internal predecessors, (1980), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-23 22:40:16,913 INFO L175 Difference]: Start difference. First operand has 427 places, 428 transitions, 919 flow. Second operand 3 states and 1422 transitions. [2023-11-23 22:40:16,913 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 428 places, 428 transitions, 948 flow [2023-11-23 22:40:16,918 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 426 places, 428 transitions, 942 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-11-23 22:40:16,924 INFO L231 Difference]: Finished difference. Result has 426 places, 427 transitions, 915 flow [2023-11-23 22:40:16,925 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=495, PETRI_DIFFERENCE_MINUEND_FLOW=911, PETRI_DIFFERENCE_MINUEND_PLACES=424, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=427, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=425, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=915, PETRI_PLACES=426, PETRI_TRANSITIONS=427} [2023-11-23 22:40:16,926 INFO L281 CegarLoopForPetriNet]: 452 programPoint places, -26 predicate places. [2023-11-23 22:40:16,926 INFO L495 AbstractCegarLoop]: Abstraction has has 426 places, 427 transitions, 915 flow [2023-11-23 22:40:16,926 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 470.3333333333333) internal successors, (1411), 3 states have internal predecessors, (1411), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-23 22:40:16,927 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-23 22:40:16,927 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 22:40:16,927 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2023-11-23 22:40:16,927 INFO L420 AbstractCegarLoop]: === Iteration 19 === Targeting thread2Err4ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err16ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE (and 92 more)] === [2023-11-23 22:40:16,927 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 22:40:16,928 INFO L85 PathProgramCache]: Analyzing trace with hash 1129635262, now seen corresponding path program 1 times [2023-11-23 22:40:16,928 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-23 22:40:16,928 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1196700467] [2023-11-23 22:40:16,928 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 22:40:16,928 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 22:40:16,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 22:40:16,984 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 22:40:16,984 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-23 22:40:16,984 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1196700467] [2023-11-23 22:40:16,984 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1196700467] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 22:40:16,984 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 22:40:16,984 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-23 22:40:16,985 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1555189568] [2023-11-23 22:40:16,985 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 22:40:16,986 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-23 22:40:16,987 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-23 22:40:16,987 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-23 22:40:16,987 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-23 22:40:17,005 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 466 out of 495 [2023-11-23 22:40:17,006 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 426 places, 427 transitions, 915 flow. Second operand has 3 states, 3 states have (on average 467.6666666666667) internal successors, (1403), 3 states have internal predecessors, (1403), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-23 22:40:17,007 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-23 22:40:17,007 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 466 of 495 [2023-11-23 22:40:17,007 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-23 22:40:17,348 INFO L124 PetriNetUnfolderBase]: 106/1533 cut-off events. [2023-11-23 22:40:17,348 INFO L125 PetriNetUnfolderBase]: For 16/17 co-relation queries the response was YES. [2023-11-23 22:40:17,360 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1775 conditions, 1533 events. 106/1533 cut-off events. For 16/17 co-relation queries the response was YES. Maximal size of possible extension queue 33. Compared 9326 event pairs, 12 based on Foata normal form. 0/1382 useless extension candidates. Maximal degree in co-relation 1732. Up to 94 conditions per place. [2023-11-23 22:40:17,365 INFO L140 encePairwiseOnDemand]: 489/495 looper letters, 16 selfloop transitions, 2 changer transitions 0/428 dead transitions. [2023-11-23 22:40:17,365 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 424 places, 428 transitions, 956 flow [2023-11-23 22:40:17,366 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-23 22:40:17,366 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-23 22:40:17,370 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1420 transitions. [2023-11-23 22:40:17,371 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.9562289562289562 [2023-11-23 22:40:17,371 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1420 transitions. [2023-11-23 22:40:17,371 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1420 transitions. [2023-11-23 22:40:17,373 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-23 22:40:17,373 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1420 transitions. [2023-11-23 22:40:17,377 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 473.3333333333333) internal successors, (1420), 3 states have internal predecessors, (1420), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-23 22:40:17,381 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 495.0) internal successors, (1980), 4 states have internal predecessors, (1980), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-23 22:40:17,382 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 495.0) internal successors, (1980), 4 states have internal predecessors, (1980), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-23 22:40:17,382 INFO L175 Difference]: Start difference. First operand has 426 places, 427 transitions, 915 flow. Second operand 3 states and 1420 transitions. [2023-11-23 22:40:17,383 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 424 places, 428 transitions, 956 flow [2023-11-23 22:40:17,387 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 422 places, 428 transitions, 952 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-11-23 22:40:17,395 INFO L231 Difference]: Finished difference. Result has 423 places, 425 transitions, 917 flow [2023-11-23 22:40:17,395 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=495, PETRI_DIFFERENCE_MINUEND_FLOW=903, PETRI_DIFFERENCE_MINUEND_PLACES=420, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=423, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=421, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=917, PETRI_PLACES=423, PETRI_TRANSITIONS=425} [2023-11-23 22:40:17,397 INFO L281 CegarLoopForPetriNet]: 452 programPoint places, -29 predicate places. [2023-11-23 22:40:17,397 INFO L495 AbstractCegarLoop]: Abstraction has has 423 places, 425 transitions, 917 flow [2023-11-23 22:40:17,397 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 467.6666666666667) internal successors, (1403), 3 states have internal predecessors, (1403), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-23 22:40:17,398 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-23 22:40:17,398 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 22:40:17,398 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2023-11-23 22:40:17,398 INFO L420 AbstractCegarLoop]: === Iteration 20 === Targeting thread1Err5ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err16ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE (and 92 more)] === [2023-11-23 22:40:17,399 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 22:40:17,399 INFO L85 PathProgramCache]: Analyzing trace with hash -590265114, now seen corresponding path program 1 times [2023-11-23 22:40:17,399 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-23 22:40:17,399 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [96964192] [2023-11-23 22:40:17,399 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 22:40:17,399 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 22:40:17,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 22:40:17,668 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 22:40:17,669 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-23 22:40:17,669 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [96964192] [2023-11-23 22:40:17,669 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [96964192] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 22:40:17,669 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 22:40:17,669 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2023-11-23 22:40:17,670 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2048476703] [2023-11-23 22:40:17,670 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 22:40:17,670 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-11-23 22:40:17,671 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-23 22:40:17,671 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-11-23 22:40:17,671 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2023-11-23 22:40:18,246 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 448 out of 495 [2023-11-23 22:40:18,251 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 423 places, 425 transitions, 917 flow. Second operand has 8 states, 8 states have (on average 451.125) internal successors, (3609), 8 states have internal predecessors, (3609), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-23 22:40:18,251 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-23 22:40:18,251 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 448 of 495 [2023-11-23 22:40:18,252 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-23 22:40:18,929 INFO L124 PetriNetUnfolderBase]: 132/2198 cut-off events. [2023-11-23 22:40:18,930 INFO L125 PetriNetUnfolderBase]: For 13/30 co-relation queries the response was YES. [2023-11-23 22:40:18,951 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2615 conditions, 2198 events. 132/2198 cut-off events. For 13/30 co-relation queries the response was YES. Maximal size of possible extension queue 43. Compared 15255 event pairs, 21 based on Foata normal form. 4/2002 useless extension candidates. Maximal degree in co-relation 2553. Up to 100 conditions per place. [2023-11-23 22:40:18,959 INFO L140 encePairwiseOnDemand]: 480/495 looper letters, 46 selfloop transitions, 16 changer transitions 0/451 dead transitions. [2023-11-23 22:40:18,960 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 433 places, 451 transitions, 1105 flow [2023-11-23 22:40:18,960 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2023-11-23 22:40:18,960 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2023-11-23 22:40:18,975 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 4990 transitions. [2023-11-23 22:40:18,978 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.9164370982552801 [2023-11-23 22:40:18,979 INFO L72 ComplementDD]: Start complementDD. Operand 11 states and 4990 transitions. [2023-11-23 22:40:18,979 INFO L73 IsDeterministic]: Start isDeterministic. Operand 11 states and 4990 transitions. [2023-11-23 22:40:18,983 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-23 22:40:18,984 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 11 states and 4990 transitions. [2023-11-23 22:40:19,001 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 12 states, 11 states have (on average 453.6363636363636) internal successors, (4990), 11 states have internal predecessors, (4990), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-23 22:40:19,017 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 12 states, 12 states have (on average 495.0) internal successors, (5940), 12 states have internal predecessors, (5940), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-23 22:40:19,020 INFO L81 ComplementDD]: Finished complementDD. Result has 12 states, 12 states have (on average 495.0) internal successors, (5940), 12 states have internal predecessors, (5940), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-23 22:40:19,020 INFO L175 Difference]: Start difference. First operand has 423 places, 425 transitions, 917 flow. Second operand 11 states and 4990 transitions. [2023-11-23 22:40:19,021 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 433 places, 451 transitions, 1105 flow [2023-11-23 22:40:19,027 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 433 places, 451 transitions, 1105 flow, removed 0 selfloop flow, removed 0 redundant places. [2023-11-23 22:40:19,036 INFO L231 Difference]: Finished difference. Result has 438 places, 434 transitions, 1001 flow [2023-11-23 22:40:19,037 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=495, PETRI_DIFFERENCE_MINUEND_FLOW=917, PETRI_DIFFERENCE_MINUEND_PLACES=423, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=425, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=7, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=411, PETRI_DIFFERENCE_SUBTRAHEND_STATES=11, PETRI_FLOW=1001, PETRI_PLACES=438, PETRI_TRANSITIONS=434} [2023-11-23 22:40:19,038 INFO L281 CegarLoopForPetriNet]: 452 programPoint places, -14 predicate places. [2023-11-23 22:40:19,038 INFO L495 AbstractCegarLoop]: Abstraction has has 438 places, 434 transitions, 1001 flow [2023-11-23 22:40:19,040 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 451.125) internal successors, (3609), 8 states have internal predecessors, (3609), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-23 22:40:19,040 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-23 22:40:19,041 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 22:40:19,041 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2023-11-23 22:40:19,041 INFO L420 AbstractCegarLoop]: === Iteration 21 === Targeting thread2Err15ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err16ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE (and 92 more)] === [2023-11-23 22:40:19,042 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 22:40:19,042 INFO L85 PathProgramCache]: Analyzing trace with hash -591240277, now seen corresponding path program 1 times [2023-11-23 22:40:19,042 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-23 22:40:19,042 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [637283631] [2023-11-23 22:40:19,043 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 22:40:19,043 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 22:40:19,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 22:40:19,137 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 22:40:19,137 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-23 22:40:19,138 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [637283631] [2023-11-23 22:40:19,138 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [637283631] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 22:40:19,138 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 22:40:19,138 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-23 22:40:19,139 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [733792132] [2023-11-23 22:40:19,139 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 22:40:19,139 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-23 22:40:19,140 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-23 22:40:19,140 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-23 22:40:19,140 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-23 22:40:19,166 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 469 out of 495 [2023-11-23 22:40:19,168 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 438 places, 434 transitions, 1001 flow. Second operand has 3 states, 3 states have (on average 470.6666666666667) internal successors, (1412), 3 states have internal predecessors, (1412), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-23 22:40:19,169 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-23 22:40:19,169 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 469 of 495 [2023-11-23 22:40:19,169 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-23 22:40:19,636 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([1328] thread2EXIT-->L100-7: Formula: (and (= 0 v_thread2Thread1of1ForFork1_thidvar2_4) (= (let ((.cse0 (mod |v_ULTIMATE.start_main_#t~mem36#1_6| 4294967296))) (ite (<= .cse0 2147483647) .cse0 (+ (- 4294967296) .cse0))) v_thread2Thread1of1ForFork1_thidvar0_4) (= 0 v_thread2Thread1of1ForFork1_thidvar1_4)) InVars {thread2Thread1of1ForFork1_thidvar2=v_thread2Thread1of1ForFork1_thidvar2_4, ULTIMATE.start_main_#t~mem36#1=|v_ULTIMATE.start_main_#t~mem36#1_6|, thread2Thread1of1ForFork1_thidvar0=v_thread2Thread1of1ForFork1_thidvar0_4, thread2Thread1of1ForFork1_thidvar1=v_thread2Thread1of1ForFork1_thidvar1_4} OutVars{thread2Thread1of1ForFork1_thidvar2=v_thread2Thread1of1ForFork1_thidvar2_4, ULTIMATE.start_main_#t~mem36#1=|v_ULTIMATE.start_main_#t~mem36#1_6|, thread2Thread1of1ForFork1_thidvar0=v_thread2Thread1of1ForFork1_thidvar0_4, thread2Thread1of1ForFork1_thidvar1=v_thread2Thread1of1ForFork1_thidvar1_4} AuxVars[] AssignedVars[][308], [Black: 541#(not |thread1Thread1of1ForFork0_#t~short2|), 569#true, 533#(and (= (select (select |#race| |ULTIMATE.start_main_~#t1~0#1.base|) |ULTIMATE.start_main_~#t1~0#1.offset|) 0) (= (select (select |#race| |ULTIMATE.start_main_~#t1~0#1.base|) (+ |ULTIMATE.start_main_~#t1~0#1.offset| 1)) 0) (= (select (select |#race| |ULTIMATE.start_main_~#t1~0#1.base|) (+ 2 |ULTIMATE.start_main_~#t1~0#1.offset|)) 0) (= (select (select |#race| |ULTIMATE.start_main_~#t1~0#1.base|) (+ 3 |ULTIMATE.start_main_~#t1~0#1.offset|)) 0)), Black: 545#true, 399#L100-7true, Black: 518#true, 595#true, Black: 556#(not |thread2Thread1of1ForFork1_#t~short11|), Black: 588#(and (<= ~n1~0 0) (= thread1Thread1of1ForFork0_~i~0 0) (not |thread1Thread1of1ForFork0_#t~short2|)), Black: 582#(and (<= ~n1~0 |ULTIMATE.start_create_fresh_int_array_~size#1|) (<= ~n1~0 0) (= |ULTIMATE.start_create_fresh_int_array_~i~2#1| 0) (<= ~n1~0 |ULTIMATE.start_create_fresh_int_array_#in~size#1|)), Black: 523#true, 497#(= |#race~n1~0| 0), Black: 574#(<= ~n1~0 0), Black: 575#(and (<= ~n1~0 0) (= thread1Thread1of1ForFork0_~i~0 0)), Black: 580#(and (<= ~n1~0 |ULTIMATE.start_create_fresh_int_array_~size#1|) (= |ULTIMATE.start_create_fresh_int_array_~i~2#1| 0) (<= ~n1~0 |ULTIMATE.start_create_fresh_int_array_#in~size#1|)), 525#(= |#race~count2~0| 0), Black: 564#true, 512#(= |#race~n2~0| 0), 547#(= |#race~get1~0| 0), 566#(= |#race~get2~0| 0), 520#(= |#race~count1~0| 0)]) [2023-11-23 22:40:19,637 INFO L294 olderBase$Statistics]: this new event has 258 ancestors and is cut-off event [2023-11-23 22:40:19,637 INFO L297 olderBase$Statistics]: existing Event has 227 ancestors and is cut-off event [2023-11-23 22:40:19,637 INFO L297 olderBase$Statistics]: existing Event has 227 ancestors and is cut-off event [2023-11-23 22:40:19,637 INFO L297 olderBase$Statistics]: existing Event has 227 ancestors and is cut-off event [2023-11-23 22:40:19,646 INFO L124 PetriNetUnfolderBase]: 114/1756 cut-off events. [2023-11-23 22:40:19,646 INFO L125 PetriNetUnfolderBase]: For 44/58 co-relation queries the response was YES. [2023-11-23 22:40:19,664 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2125 conditions, 1756 events. 114/1756 cut-off events. For 44/58 co-relation queries the response was YES. Maximal size of possible extension queue 38. Compared 11089 event pairs, 9 based on Foata normal form. 3/1602 useless extension candidates. Maximal degree in co-relation 2056. Up to 96 conditions per place. [2023-11-23 22:40:19,671 INFO L140 encePairwiseOnDemand]: 492/495 looper letters, 12 selfloop transitions, 2 changer transitions 0/434 dead transitions. [2023-11-23 22:40:19,671 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 439 places, 434 transitions, 1030 flow [2023-11-23 22:40:19,671 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-23 22:40:19,672 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-23 22:40:19,676 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1422 transitions. [2023-11-23 22:40:19,677 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.9575757575757575 [2023-11-23 22:40:19,677 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1422 transitions. [2023-11-23 22:40:19,678 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1422 transitions. [2023-11-23 22:40:19,679 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-23 22:40:19,679 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1422 transitions. [2023-11-23 22:40:19,682 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 474.0) internal successors, (1422), 3 states have internal predecessors, (1422), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-23 22:40:19,687 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 495.0) internal successors, (1980), 4 states have internal predecessors, (1980), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-23 22:40:19,688 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 495.0) internal successors, (1980), 4 states have internal predecessors, (1980), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-23 22:40:19,688 INFO L175 Difference]: Start difference. First operand has 438 places, 434 transitions, 1001 flow. Second operand 3 states and 1422 transitions. [2023-11-23 22:40:19,688 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 439 places, 434 transitions, 1030 flow [2023-11-23 22:40:19,693 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 438 places, 434 transitions, 1026 flow, removed 0 selfloop flow, removed 1 redundant places. [2023-11-23 22:40:19,702 INFO L231 Difference]: Finished difference. Result has 438 places, 433 transitions, 999 flow [2023-11-23 22:40:19,702 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=495, PETRI_DIFFERENCE_MINUEND_FLOW=995, PETRI_DIFFERENCE_MINUEND_PLACES=436, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=433, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=431, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=999, PETRI_PLACES=438, PETRI_TRANSITIONS=433} [2023-11-23 22:40:19,703 INFO L281 CegarLoopForPetriNet]: 452 programPoint places, -14 predicate places. [2023-11-23 22:40:19,703 INFO L495 AbstractCegarLoop]: Abstraction has has 438 places, 433 transitions, 999 flow [2023-11-23 22:40:19,704 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 470.6666666666667) internal successors, (1412), 3 states have internal predecessors, (1412), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-23 22:40:19,704 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-23 22:40:19,705 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 22:40:19,705 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2023-11-23 22:40:19,705 INFO L420 AbstractCegarLoop]: === Iteration 22 === Targeting thread2Err5ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err16ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE (and 92 more)] === [2023-11-23 22:40:19,706 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 22:40:19,706 INFO L85 PathProgramCache]: Analyzing trace with hash 1647525028, now seen corresponding path program 1 times [2023-11-23 22:40:19,706 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-23 22:40:19,706 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [6412663] [2023-11-23 22:40:19,706 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 22:40:19,707 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 22:40:19,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 22:40:19,959 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 22:40:19,959 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-23 22:40:19,960 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [6412663] [2023-11-23 22:40:19,960 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [6412663] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 22:40:19,960 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 22:40:19,960 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2023-11-23 22:40:19,960 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [46071651] [2023-11-23 22:40:19,961 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 22:40:19,961 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-11-23 22:40:19,962 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-23 22:40:19,962 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-11-23 22:40:19,963 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2023-11-23 22:40:20,582 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 448 out of 495 [2023-11-23 22:40:20,586 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 438 places, 433 transitions, 999 flow. Second operand has 8 states, 8 states have (on average 451.25) internal successors, (3610), 8 states have internal predecessors, (3610), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-23 22:40:20,587 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-23 22:40:20,587 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 448 of 495 [2023-11-23 22:40:20,587 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-23 22:40:21,030 INFO L124 PetriNetUnfolderBase]: 123/1473 cut-off events. [2023-11-23 22:40:21,031 INFO L125 PetriNetUnfolderBase]: For 68/71 co-relation queries the response was YES. [2023-11-23 22:40:21,044 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1934 conditions, 1473 events. 123/1473 cut-off events. For 68/71 co-relation queries the response was YES. Maximal size of possible extension queue 34. Compared 8712 event pairs, 22 based on Foata normal form. 0/1344 useless extension candidates. Maximal degree in co-relation 1864. Up to 159 conditions per place. [2023-11-23 22:40:21,050 INFO L140 encePairwiseOnDemand]: 479/495 looper letters, 48 selfloop transitions, 17 changer transitions 0/457 dead transitions. [2023-11-23 22:40:21,050 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 448 places, 457 transitions, 1191 flow [2023-11-23 22:40:21,050 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2023-11-23 22:40:21,050 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2023-11-23 22:40:21,062 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 4992 transitions. [2023-11-23 22:40:21,065 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.9168044077134986 [2023-11-23 22:40:21,066 INFO L72 ComplementDD]: Start complementDD. Operand 11 states and 4992 transitions. [2023-11-23 22:40:21,066 INFO L73 IsDeterministic]: Start isDeterministic. Operand 11 states and 4992 transitions. [2023-11-23 22:40:21,068 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-23 22:40:21,068 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 11 states and 4992 transitions. [2023-11-23 22:40:21,078 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 12 states, 11 states have (on average 453.8181818181818) internal successors, (4992), 11 states have internal predecessors, (4992), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-23 22:40:21,097 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 12 states, 12 states have (on average 495.0) internal successors, (5940), 12 states have internal predecessors, (5940), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-23 22:40:21,100 INFO L81 ComplementDD]: Finished complementDD. Result has 12 states, 12 states have (on average 495.0) internal successors, (5940), 12 states have internal predecessors, (5940), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-23 22:40:21,100 INFO L175 Difference]: Start difference. First operand has 438 places, 433 transitions, 999 flow. Second operand 11 states and 4992 transitions. [2023-11-23 22:40:21,100 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 448 places, 457 transitions, 1191 flow [2023-11-23 22:40:21,105 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 446 places, 457 transitions, 1187 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-11-23 22:40:21,113 INFO L231 Difference]: Finished difference. Result has 449 places, 438 transitions, 1068 flow [2023-11-23 22:40:21,114 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=495, PETRI_DIFFERENCE_MINUEND_FLOW=995, PETRI_DIFFERENCE_MINUEND_PLACES=436, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=433, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=12, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=416, PETRI_DIFFERENCE_SUBTRAHEND_STATES=11, PETRI_FLOW=1068, PETRI_PLACES=449, PETRI_TRANSITIONS=438} [2023-11-23 22:40:21,114 INFO L281 CegarLoopForPetriNet]: 452 programPoint places, -3 predicate places. [2023-11-23 22:40:21,115 INFO L495 AbstractCegarLoop]: Abstraction has has 449 places, 438 transitions, 1068 flow [2023-11-23 22:40:21,116 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 451.25) internal successors, (3610), 8 states have internal predecessors, (3610), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-23 22:40:21,117 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-23 22:40:21,117 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 22:40:21,117 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2023-11-23 22:40:21,117 INFO L420 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr11ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err16ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE (and 92 more)] === [2023-11-23 22:40:21,117 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 22:40:21,118 INFO L85 PathProgramCache]: Analyzing trace with hash 1029379726, now seen corresponding path program 1 times [2023-11-23 22:40:21,118 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-23 22:40:21,118 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [850587032] [2023-11-23 22:40:21,118 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 22:40:21,118 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 22:40:21,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 22:40:21,851 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 22:40:21,852 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-23 22:40:21,852 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [850587032] [2023-11-23 22:40:21,852 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [850587032] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 22:40:21,852 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 22:40:21,852 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-23 22:40:21,854 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1852737667] [2023-11-23 22:40:21,854 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 22:40:21,856 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-23 22:40:21,857 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-23 22:40:21,857 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-23 22:40:21,857 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-11-23 22:40:22,505 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 461 out of 495 [2023-11-23 22:40:22,508 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 449 places, 438 transitions, 1068 flow. Second operand has 6 states, 6 states have (on average 462.6666666666667) internal successors, (2776), 6 states have internal predecessors, (2776), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-23 22:40:22,508 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-23 22:40:22,508 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 461 of 495 [2023-11-23 22:40:22,508 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-23 22:40:22,790 INFO L124 PetriNetUnfolderBase]: 67/1285 cut-off events. [2023-11-23 22:40:22,790 INFO L125 PetriNetUnfolderBase]: For 52/61 co-relation queries the response was YES. [2023-11-23 22:40:22,804 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1606 conditions, 1285 events. 67/1285 cut-off events. For 52/61 co-relation queries the response was YES. Maximal size of possible extension queue 21. Compared 6479 event pairs, 0 based on Foata normal form. 4/1200 useless extension candidates. Maximal degree in co-relation 1530. Up to 31 conditions per place. [2023-11-23 22:40:22,809 INFO L140 encePairwiseOnDemand]: 490/495 looper letters, 15 selfloop transitions, 4 changer transitions 0/437 dead transitions. [2023-11-23 22:40:22,809 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 453 places, 437 transitions, 1104 flow [2023-11-23 22:40:22,810 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-23 22:40:22,810 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-11-23 22:40:22,816 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 2786 transitions. [2023-11-23 22:40:22,818 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.938047138047138 [2023-11-23 22:40:22,819 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 2786 transitions. [2023-11-23 22:40:22,819 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 2786 transitions. [2023-11-23 22:40:22,820 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-23 22:40:22,820 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 2786 transitions. [2023-11-23 22:40:22,826 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 464.3333333333333) internal successors, (2786), 6 states have internal predecessors, (2786), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-23 22:40:22,831 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 495.0) internal successors, (3465), 7 states have internal predecessors, (3465), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-23 22:40:22,833 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 495.0) internal successors, (3465), 7 states have internal predecessors, (3465), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-23 22:40:22,833 INFO L175 Difference]: Start difference. First operand has 449 places, 438 transitions, 1068 flow. Second operand 6 states and 2786 transitions. [2023-11-23 22:40:22,833 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 453 places, 437 transitions, 1104 flow [2023-11-23 22:40:22,839 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 446 places, 437 transitions, 1083 flow, removed 0 selfloop flow, removed 7 redundant places. [2023-11-23 22:40:22,845 INFO L231 Difference]: Finished difference. Result has 446 places, 437 transitions, 1053 flow [2023-11-23 22:40:22,846 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=495, PETRI_DIFFERENCE_MINUEND_FLOW=1045, PETRI_DIFFERENCE_MINUEND_PLACES=441, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=437, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=433, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=1053, PETRI_PLACES=446, PETRI_TRANSITIONS=437} [2023-11-23 22:40:22,847 INFO L281 CegarLoopForPetriNet]: 452 programPoint places, -6 predicate places. [2023-11-23 22:40:22,847 INFO L495 AbstractCegarLoop]: Abstraction has has 446 places, 437 transitions, 1053 flow [2023-11-23 22:40:22,848 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 462.6666666666667) internal successors, (2776), 6 states have internal predecessors, (2776), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-23 22:40:22,848 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-23 22:40:22,849 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 22:40:22,849 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2023-11-23 22:40:22,849 INFO L420 AbstractCegarLoop]: === Iteration 24 === Targeting thread1Err5ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err16ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE (and 92 more)] === [2023-11-23 22:40:22,850 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 22:40:22,850 INFO L85 PathProgramCache]: Analyzing trace with hash -1138362446, now seen corresponding path program 1 times [2023-11-23 22:40:22,850 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-23 22:40:22,850 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [676650962] [2023-11-23 22:40:22,850 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 22:40:22,851 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 22:40:22,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 22:40:23,120 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-23 22:40:23,120 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-23 22:40:23,120 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [676650962] [2023-11-23 22:40:23,120 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [676650962] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 22:40:23,120 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 22:40:23,121 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2023-11-23 22:40:23,121 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1925068076] [2023-11-23 22:40:23,121 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 22:40:23,121 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-11-23 22:40:23,122 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-23 22:40:23,123 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-11-23 22:40:23,123 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2023-11-23 22:40:23,669 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 448 out of 495 [2023-11-23 22:40:23,672 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 446 places, 437 transitions, 1053 flow. Second operand has 8 states, 8 states have (on average 451.25) internal successors, (3610), 8 states have internal predecessors, (3610), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-23 22:40:23,673 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-23 22:40:23,673 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 448 of 495 [2023-11-23 22:40:23,673 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-23 22:40:24,360 INFO L124 PetriNetUnfolderBase]: 189/2896 cut-off events. [2023-11-23 22:40:24,361 INFO L125 PetriNetUnfolderBase]: For 161/186 co-relation queries the response was YES. [2023-11-23 22:40:24,401 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3792 conditions, 2896 events. 189/2896 cut-off events. For 161/186 co-relation queries the response was YES. Maximal size of possible extension queue 47. Compared 21691 event pairs, 28 based on Foata normal form. 2/2700 useless extension candidates. Maximal degree in co-relation 3717. Up to 129 conditions per place. [2023-11-23 22:40:24,411 INFO L140 encePairwiseOnDemand]: 479/495 looper letters, 49 selfloop transitions, 20 changer transitions 0/461 dead transitions. [2023-11-23 22:40:24,411 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 456 places, 461 transitions, 1281 flow [2023-11-23 22:40:24,411 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2023-11-23 22:40:24,411 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2023-11-23 22:40:24,422 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 4983 transitions. [2023-11-23 22:40:24,425 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.9151515151515152 [2023-11-23 22:40:24,425 INFO L72 ComplementDD]: Start complementDD. Operand 11 states and 4983 transitions. [2023-11-23 22:40:24,425 INFO L73 IsDeterministic]: Start isDeterministic. Operand 11 states and 4983 transitions. [2023-11-23 22:40:24,427 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-23 22:40:24,428 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 11 states and 4983 transitions. [2023-11-23 22:40:24,436 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 12 states, 11 states have (on average 453.0) internal successors, (4983), 11 states have internal predecessors, (4983), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-23 22:40:24,445 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 12 states, 12 states have (on average 495.0) internal successors, (5940), 12 states have internal predecessors, (5940), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-23 22:40:24,447 INFO L81 ComplementDD]: Finished complementDD. Result has 12 states, 12 states have (on average 495.0) internal successors, (5940), 12 states have internal predecessors, (5940), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-23 22:40:24,448 INFO L175 Difference]: Start difference. First operand has 446 places, 437 transitions, 1053 flow. Second operand 11 states and 4983 transitions. [2023-11-23 22:40:24,448 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 456 places, 461 transitions, 1281 flow [2023-11-23 22:40:24,455 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 452 places, 461 transitions, 1274 flow, removed 0 selfloop flow, removed 4 redundant places. [2023-11-23 22:40:24,462 INFO L231 Difference]: Finished difference. Result has 457 places, 450 transitions, 1184 flow [2023-11-23 22:40:24,463 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=495, PETRI_DIFFERENCE_MINUEND_FLOW=1046, PETRI_DIFFERENCE_MINUEND_PLACES=442, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=437, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=7, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=419, PETRI_DIFFERENCE_SUBTRAHEND_STATES=11, PETRI_FLOW=1184, PETRI_PLACES=457, PETRI_TRANSITIONS=450} [2023-11-23 22:40:24,464 INFO L281 CegarLoopForPetriNet]: 452 programPoint places, 5 predicate places. [2023-11-23 22:40:24,464 INFO L495 AbstractCegarLoop]: Abstraction has has 457 places, 450 transitions, 1184 flow [2023-11-23 22:40:24,465 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 451.25) internal successors, (3610), 8 states have internal predecessors, (3610), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-23 22:40:24,465 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-23 22:40:24,466 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 22:40:24,466 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2023-11-23 22:40:24,466 INFO L420 AbstractCegarLoop]: === Iteration 25 === Targeting thread2Err5ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err16ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE (and 92 more)] === [2023-11-23 22:40:24,466 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 22:40:24,467 INFO L85 PathProgramCache]: Analyzing trace with hash -1355700624, now seen corresponding path program 1 times [2023-11-23 22:40:24,468 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-23 22:40:24,468 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [750768045] [2023-11-23 22:40:24,468 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 22:40:24,469 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 22:40:24,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 22:40:24,737 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-23 22:40:24,737 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-23 22:40:24,737 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [750768045] [2023-11-23 22:40:24,738 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [750768045] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 22:40:24,738 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 22:40:24,738 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2023-11-23 22:40:24,738 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1504599079] [2023-11-23 22:40:24,738 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 22:40:24,739 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-11-23 22:40:24,739 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-23 22:40:24,740 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-11-23 22:40:24,740 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2023-11-23 22:40:25,293 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 448 out of 495 [2023-11-23 22:40:25,296 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 457 places, 450 transitions, 1184 flow. Second operand has 8 states, 8 states have (on average 451.375) internal successors, (3611), 8 states have internal predecessors, (3611), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-23 22:40:25,296 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-23 22:40:25,296 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 448 of 495 [2023-11-23 22:40:25,296 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-23 22:40:25,886 INFO L124 PetriNetUnfolderBase]: 162/2015 cut-off events. [2023-11-23 22:40:25,887 INFO L125 PetriNetUnfolderBase]: For 262/267 co-relation queries the response was YES. [2023-11-23 22:40:25,906 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2831 conditions, 2015 events. 162/2015 cut-off events. For 262/267 co-relation queries the response was YES. Maximal size of possible extension queue 39. Compared 13584 event pairs, 31 based on Foata normal form. 8/1877 useless extension candidates. Maximal degree in co-relation 2748. Up to 213 conditions per place. [2023-11-23 22:40:25,913 INFO L140 encePairwiseOnDemand]: 480/495 looper letters, 48 selfloop transitions, 19 changer transitions 0/466 dead transitions. [2023-11-23 22:40:25,913 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 467 places, 466 transitions, 1390 flow [2023-11-23 22:40:25,913 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2023-11-23 22:40:25,914 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2023-11-23 22:40:25,918 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 4981 transitions. [2023-11-23 22:40:25,921 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.9147842056932965 [2023-11-23 22:40:25,921 INFO L72 ComplementDD]: Start complementDD. Operand 11 states and 4981 transitions. [2023-11-23 22:40:25,922 INFO L73 IsDeterministic]: Start isDeterministic. Operand 11 states and 4981 transitions. [2023-11-23 22:40:25,924 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-23 22:40:25,924 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 11 states and 4981 transitions. [2023-11-23 22:40:25,932 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 12 states, 11 states have (on average 452.8181818181818) internal successors, (4981), 11 states have internal predecessors, (4981), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-23 22:40:25,939 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 12 states, 12 states have (on average 495.0) internal successors, (5940), 12 states have internal predecessors, (5940), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-23 22:40:25,941 INFO L81 ComplementDD]: Finished complementDD. Result has 12 states, 12 states have (on average 495.0) internal successors, (5940), 12 states have internal predecessors, (5940), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-23 22:40:25,941 INFO L175 Difference]: Start difference. First operand has 457 places, 450 transitions, 1184 flow. Second operand 11 states and 4981 transitions. [2023-11-23 22:40:25,941 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 467 places, 466 transitions, 1390 flow [2023-11-23 22:40:25,948 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 466 places, 466 transitions, 1386 flow, removed 0 selfloop flow, removed 1 redundant places. [2023-11-23 22:40:25,956 INFO L231 Difference]: Finished difference. Result has 469 places, 457 transitions, 1287 flow [2023-11-23 22:40:25,957 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=495, PETRI_DIFFERENCE_MINUEND_FLOW=1180, PETRI_DIFFERENCE_MINUEND_PLACES=456, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=450, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=12, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=431, PETRI_DIFFERENCE_SUBTRAHEND_STATES=11, PETRI_FLOW=1287, PETRI_PLACES=469, PETRI_TRANSITIONS=457} [2023-11-23 22:40:25,957 INFO L281 CegarLoopForPetriNet]: 452 programPoint places, 17 predicate places. [2023-11-23 22:40:25,958 INFO L495 AbstractCegarLoop]: Abstraction has has 469 places, 457 transitions, 1287 flow [2023-11-23 22:40:25,958 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 451.375) internal successors, (3611), 8 states have internal predecessors, (3611), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-23 22:40:25,958 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-23 22:40:25,959 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 22:40:25,959 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2023-11-23 22:40:25,959 INFO L420 AbstractCegarLoop]: === Iteration 26 === Targeting thread1Err5ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err16ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE (and 92 more)] === [2023-11-23 22:40:25,959 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 22:40:25,960 INFO L85 PathProgramCache]: Analyzing trace with hash -91454048, now seen corresponding path program 1 times [2023-11-23 22:40:25,960 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-23 22:40:25,960 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2013337621] [2023-11-23 22:40:25,960 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 22:40:25,960 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 22:40:25,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 22:40:26,703 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-23 22:40:26,704 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-23 22:40:26,704 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2013337621] [2023-11-23 22:40:26,704 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2013337621] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 22:40:26,704 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 22:40:26,705 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-23 22:40:26,705 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [278319273] [2023-11-23 22:40:26,705 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 22:40:26,705 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-23 22:40:26,706 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-23 22:40:26,706 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-23 22:40:26,707 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-11-23 22:40:27,447 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 454 out of 495 [2023-11-23 22:40:27,449 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 469 places, 457 transitions, 1287 flow. Second operand has 6 states, 6 states have (on average 456.8333333333333) internal successors, (2741), 6 states have internal predecessors, (2741), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-23 22:40:27,449 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-23 22:40:27,449 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 454 of 495 [2023-11-23 22:40:27,449 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-23 22:40:27,998 INFO L124 PetriNetUnfolderBase]: 152/2497 cut-off events. [2023-11-23 22:40:27,999 INFO L125 PetriNetUnfolderBase]: For 399/399 co-relation queries the response was YES. [2023-11-23 22:40:28,023 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3486 conditions, 2497 events. 152/2497 cut-off events. For 399/399 co-relation queries the response was YES. Maximal size of possible extension queue 41. Compared 17562 event pairs, 10 based on Foata normal form. 0/2340 useless extension candidates. Maximal degree in co-relation 3399. Up to 83 conditions per place. [2023-11-23 22:40:28,032 INFO L140 encePairwiseOnDemand]: 487/495 looper letters, 32 selfloop transitions, 6 changer transitions 0/460 dead transitions. [2023-11-23 22:40:28,033 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 472 places, 460 transitions, 1377 flow [2023-11-23 22:40:28,033 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-23 22:40:28,033 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-11-23 22:40:28,037 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 2758 transitions. [2023-11-23 22:40:28,039 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.9286195286195286 [2023-11-23 22:40:28,039 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 2758 transitions. [2023-11-23 22:40:28,039 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 2758 transitions. [2023-11-23 22:40:28,041 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-23 22:40:28,041 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 2758 transitions. [2023-11-23 22:40:28,046 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 459.6666666666667) internal successors, (2758), 6 states have internal predecessors, (2758), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-23 22:40:28,050 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 495.0) internal successors, (3465), 7 states have internal predecessors, (3465), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-23 22:40:28,051 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 495.0) internal successors, (3465), 7 states have internal predecessors, (3465), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-23 22:40:28,051 INFO L175 Difference]: Start difference. First operand has 469 places, 457 transitions, 1287 flow. Second operand 6 states and 2758 transitions. [2023-11-23 22:40:28,052 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 472 places, 460 transitions, 1377 flow [2023-11-23 22:40:28,062 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 465 places, 460 transitions, 1356 flow, removed 0 selfloop flow, removed 7 redundant places. [2023-11-23 22:40:28,070 INFO L231 Difference]: Finished difference. Result has 466 places, 456 transitions, 1285 flow [2023-11-23 22:40:28,071 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=495, PETRI_DIFFERENCE_MINUEND_FLOW=1262, PETRI_DIFFERENCE_MINUEND_PLACES=460, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=455, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=449, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=1285, PETRI_PLACES=466, PETRI_TRANSITIONS=456} [2023-11-23 22:40:28,071 INFO L281 CegarLoopForPetriNet]: 452 programPoint places, 14 predicate places. [2023-11-23 22:40:28,072 INFO L495 AbstractCegarLoop]: Abstraction has has 466 places, 456 transitions, 1285 flow [2023-11-23 22:40:28,072 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 456.8333333333333) internal successors, (2741), 6 states have internal predecessors, (2741), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-23 22:40:28,073 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-23 22:40:28,073 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 22:40:28,073 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25 [2023-11-23 22:40:28,073 INFO L420 AbstractCegarLoop]: === Iteration 27 === Targeting thread2Err5ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err16ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE (and 92 more)] === [2023-11-23 22:40:28,074 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 22:40:28,074 INFO L85 PathProgramCache]: Analyzing trace with hash 96831966, now seen corresponding path program 1 times [2023-11-23 22:40:28,074 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-23 22:40:28,074 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1164491117] [2023-11-23 22:40:28,075 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 22:40:28,075 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 22:40:28,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 22:40:28,730 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-23 22:40:28,731 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-23 22:40:28,731 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1164491117] [2023-11-23 22:40:28,731 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1164491117] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 22:40:28,731 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 22:40:28,731 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-23 22:40:28,731 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1675771329] [2023-11-23 22:40:28,732 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 22:40:28,732 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-23 22:40:28,733 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-23 22:40:28,733 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-23 22:40:28,733 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-11-23 22:40:29,322 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 454 out of 495 [2023-11-23 22:40:29,325 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 466 places, 456 transitions, 1285 flow. Second operand has 6 states, 6 states have (on average 457.0) internal successors, (2742), 6 states have internal predecessors, (2742), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-23 22:40:29,325 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-23 22:40:29,325 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 454 of 495 [2023-11-23 22:40:29,326 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-23 22:40:29,740 INFO L124 PetriNetUnfolderBase]: 141/1983 cut-off events. [2023-11-23 22:40:29,740 INFO L125 PetriNetUnfolderBase]: For 418/423 co-relation queries the response was YES. [2023-11-23 22:40:29,754 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2859 conditions, 1983 events. 141/1983 cut-off events. For 418/423 co-relation queries the response was YES. Maximal size of possible extension queue 33. Compared 12931 event pairs, 11 based on Foata normal form. 0/1865 useless extension candidates. Maximal degree in co-relation 2772. Up to 111 conditions per place. [2023-11-23 22:40:29,760 INFO L140 encePairwiseOnDemand]: 487/495 looper letters, 32 selfloop transitions, 6 changer transitions 0/459 dead transitions. [2023-11-23 22:40:29,760 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 469 places, 459 transitions, 1375 flow [2023-11-23 22:40:29,761 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-23 22:40:29,761 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-11-23 22:40:29,764 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 2758 transitions. [2023-11-23 22:40:29,766 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.9286195286195286 [2023-11-23 22:40:29,766 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 2758 transitions. [2023-11-23 22:40:29,766 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 2758 transitions. [2023-11-23 22:40:29,768 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-23 22:40:29,768 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 2758 transitions. [2023-11-23 22:40:29,773 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 459.6666666666667) internal successors, (2758), 6 states have internal predecessors, (2758), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-23 22:40:29,777 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 495.0) internal successors, (3465), 7 states have internal predecessors, (3465), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-23 22:40:29,777 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 495.0) internal successors, (3465), 7 states have internal predecessors, (3465), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-23 22:40:29,778 INFO L175 Difference]: Start difference. First operand has 466 places, 456 transitions, 1285 flow. Second operand 6 states and 2758 transitions. [2023-11-23 22:40:29,778 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 469 places, 459 transitions, 1375 flow [2023-11-23 22:40:29,786 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 465 places, 459 transitions, 1362 flow, removed 2 selfloop flow, removed 4 redundant places. [2023-11-23 22:40:29,794 INFO L231 Difference]: Finished difference. Result has 466 places, 455 transitions, 1291 flow [2023-11-23 22:40:29,795 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=495, PETRI_DIFFERENCE_MINUEND_FLOW=1268, PETRI_DIFFERENCE_MINUEND_PLACES=460, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=454, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=448, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=1291, PETRI_PLACES=466, PETRI_TRANSITIONS=455} [2023-11-23 22:40:29,796 INFO L281 CegarLoopForPetriNet]: 452 programPoint places, 14 predicate places. [2023-11-23 22:40:29,796 INFO L495 AbstractCegarLoop]: Abstraction has has 466 places, 455 transitions, 1291 flow [2023-11-23 22:40:29,796 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 457.0) internal successors, (2742), 6 states have internal predecessors, (2742), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-23 22:40:29,797 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-23 22:40:29,797 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 22:40:29,797 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26 [2023-11-23 22:40:29,797 INFO L420 AbstractCegarLoop]: === Iteration 28 === Targeting ULTIMATE.startErr12ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err16ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE (and 92 more)] === [2023-11-23 22:40:29,798 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 22:40:29,798 INFO L85 PathProgramCache]: Analyzing trace with hash 885753521, now seen corresponding path program 1 times [2023-11-23 22:40:29,798 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-23 22:40:29,798 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [145649894] [2023-11-23 22:40:29,799 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 22:40:29,799 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 22:40:29,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 22:40:29,874 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 22:40:29,874 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-23 22:40:29,875 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [145649894] [2023-11-23 22:40:29,875 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [145649894] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 22:40:29,875 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 22:40:29,875 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-23 22:40:29,875 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2029150904] [2023-11-23 22:40:29,875 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 22:40:29,876 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-23 22:40:29,876 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-23 22:40:29,877 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-23 22:40:29,877 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-23 22:40:29,890 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 471 out of 495 [2023-11-23 22:40:29,891 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 466 places, 455 transitions, 1291 flow. Second operand has 3 states, 3 states have (on average 474.3333333333333) internal successors, (1423), 3 states have internal predecessors, (1423), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-23 22:40:29,891 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-23 22:40:29,891 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 471 of 495 [2023-11-23 22:40:29,892 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-23 22:40:30,603 INFO L124 PetriNetUnfolderBase]: 145/2780 cut-off events. [2023-11-23 22:40:30,604 INFO L125 PetriNetUnfolderBase]: For 385/388 co-relation queries the response was YES. [2023-11-23 22:40:30,635 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3777 conditions, 2780 events. 145/2780 cut-off events. For 385/388 co-relation queries the response was YES. Maximal size of possible extension queue 48. Compared 20605 event pairs, 13 based on Foata normal form. 1/2599 useless extension candidates. Maximal degree in co-relation 3686. Up to 76 conditions per place. [2023-11-23 22:40:30,642 INFO L140 encePairwiseOnDemand]: 491/495 looper letters, 15 selfloop transitions, 2 changer transitions 0/460 dead transitions. [2023-11-23 22:40:30,643 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 468 places, 460 transitions, 1338 flow [2023-11-23 22:40:30,643 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-23 22:40:30,643 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-23 22:40:30,645 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1432 transitions. [2023-11-23 22:40:30,646 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.9643097643097643 [2023-11-23 22:40:30,646 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1432 transitions. [2023-11-23 22:40:30,647 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1432 transitions. [2023-11-23 22:40:30,647 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-23 22:40:30,648 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1432 transitions. [2023-11-23 22:40:30,650 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 477.3333333333333) internal successors, (1432), 3 states have internal predecessors, (1432), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-23 22:40:30,652 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 495.0) internal successors, (1980), 4 states have internal predecessors, (1980), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-23 22:40:30,653 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 495.0) internal successors, (1980), 4 states have internal predecessors, (1980), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-23 22:40:30,653 INFO L175 Difference]: Start difference. First operand has 466 places, 455 transitions, 1291 flow. Second operand 3 states and 1432 transitions. [2023-11-23 22:40:30,653 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 468 places, 460 transitions, 1338 flow [2023-11-23 22:40:30,664 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 464 places, 460 transitions, 1325 flow, removed 2 selfloop flow, removed 4 redundant places. [2023-11-23 22:40:30,671 INFO L231 Difference]: Finished difference. Result has 466 places, 457 transitions, 1298 flow [2023-11-23 22:40:30,672 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=495, PETRI_DIFFERENCE_MINUEND_FLOW=1278, PETRI_DIFFERENCE_MINUEND_PLACES=462, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=455, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=453, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1298, PETRI_PLACES=466, PETRI_TRANSITIONS=457} [2023-11-23 22:40:30,677 INFO L281 CegarLoopForPetriNet]: 452 programPoint places, 14 predicate places. [2023-11-23 22:40:30,677 INFO L495 AbstractCegarLoop]: Abstraction has has 466 places, 457 transitions, 1298 flow [2023-11-23 22:40:30,677 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 474.3333333333333) internal successors, (1423), 3 states have internal predecessors, (1423), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-23 22:40:30,677 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-23 22:40:30,678 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 22:40:30,678 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable27 [2023-11-23 22:40:30,678 INFO L420 AbstractCegarLoop]: === Iteration 29 === Targeting ULTIMATE.startErr12ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err16ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE (and 92 more)] === [2023-11-23 22:40:30,678 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 22:40:30,679 INFO L85 PathProgramCache]: Analyzing trace with hash -191647892, now seen corresponding path program 1 times [2023-11-23 22:40:30,679 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-23 22:40:30,679 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [932845125] [2023-11-23 22:40:30,679 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 22:40:30,680 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 22:40:30,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 22:40:30,749 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 22:40:30,749 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-23 22:40:30,749 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [932845125] [2023-11-23 22:40:30,750 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [932845125] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 22:40:30,750 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 22:40:30,750 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-23 22:40:30,750 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1462642738] [2023-11-23 22:40:30,750 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 22:40:30,751 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-23 22:40:30,751 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-23 22:40:30,752 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-23 22:40:30,752 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-23 22:40:30,772 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 467 out of 495 [2023-11-23 22:40:30,774 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 466 places, 457 transitions, 1298 flow. Second operand has 3 states, 3 states have (on average 469.0) internal successors, (1407), 3 states have internal predecessors, (1407), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-23 22:40:30,774 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-23 22:40:30,774 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 467 of 495 [2023-11-23 22:40:30,774 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-23 22:40:31,388 INFO L124 PetriNetUnfolderBase]: 137/2914 cut-off events. [2023-11-23 22:40:31,389 INFO L125 PetriNetUnfolderBase]: For 400/411 co-relation queries the response was YES. [2023-11-23 22:40:31,412 INFO L83 FinitePrefix]: Finished finitePrefix Result has 4008 conditions, 2914 events. 137/2914 cut-off events. For 400/411 co-relation queries the response was YES. Maximal size of possible extension queue 46. Compared 22254 event pairs, 20 based on Foata normal form. 0/2789 useless extension candidates. Maximal degree in co-relation 3920. Up to 91 conditions per place. [2023-11-23 22:40:31,419 INFO L140 encePairwiseOnDemand]: 491/495 looper letters, 12 selfloop transitions, 1 changer transitions 0/454 dead transitions. [2023-11-23 22:40:31,419 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 465 places, 454 transitions, 1318 flow [2023-11-23 22:40:31,420 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-23 22:40:31,420 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-23 22:40:31,422 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1417 transitions. [2023-11-23 22:40:31,423 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.9542087542087542 [2023-11-23 22:40:31,424 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1417 transitions. [2023-11-23 22:40:31,424 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1417 transitions. [2023-11-23 22:40:31,425 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-23 22:40:31,425 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1417 transitions. [2023-11-23 22:40:31,429 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 472.3333333333333) internal successors, (1417), 3 states have internal predecessors, (1417), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-23 22:40:31,432 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 495.0) internal successors, (1980), 4 states have internal predecessors, (1980), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-23 22:40:31,432 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 495.0) internal successors, (1980), 4 states have internal predecessors, (1980), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-23 22:40:31,432 INFO L175 Difference]: Start difference. First operand has 466 places, 457 transitions, 1298 flow. Second operand 3 states and 1417 transitions. [2023-11-23 22:40:31,433 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 465 places, 454 transitions, 1318 flow [2023-11-23 22:40:31,443 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 464 places, 454 transitions, 1316 flow, removed 0 selfloop flow, removed 1 redundant places. [2023-11-23 22:40:31,451 INFO L231 Difference]: Finished difference. Result has 464 places, 454 transitions, 1292 flow [2023-11-23 22:40:31,452 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=495, PETRI_DIFFERENCE_MINUEND_FLOW=1290, PETRI_DIFFERENCE_MINUEND_PLACES=462, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=454, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=453, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1292, PETRI_PLACES=464, PETRI_TRANSITIONS=454} [2023-11-23 22:40:31,453 INFO L281 CegarLoopForPetriNet]: 452 programPoint places, 12 predicate places. [2023-11-23 22:40:31,454 INFO L495 AbstractCegarLoop]: Abstraction has has 464 places, 454 transitions, 1292 flow [2023-11-23 22:40:31,454 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 469.0) internal successors, (1407), 3 states have internal predecessors, (1407), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-23 22:40:31,454 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-23 22:40:31,454 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 22:40:31,455 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable28 [2023-11-23 22:40:31,455 INFO L420 AbstractCegarLoop]: === Iteration 30 === Targeting thread1Err7ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err16ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE (and 92 more)] === [2023-11-23 22:40:31,455 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 22:40:31,456 INFO L85 PathProgramCache]: Analyzing trace with hash -1937935034, now seen corresponding path program 1 times [2023-11-23 22:40:31,456 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-23 22:40:31,456 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1442651449] [2023-11-23 22:40:31,456 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 22:40:31,456 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 22:40:31,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 22:40:32,268 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-23 22:40:32,268 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-23 22:40:32,268 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1442651449] [2023-11-23 22:40:32,268 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1442651449] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 22:40:32,269 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 22:40:32,269 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-23 22:40:32,269 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [386272829] [2023-11-23 22:40:32,269 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 22:40:32,270 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-23 22:40:32,271 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-23 22:40:32,271 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-23 22:40:32,272 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-11-23 22:40:32,921 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 454 out of 495 [2023-11-23 22:40:32,923 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 464 places, 454 transitions, 1292 flow. Second operand has 6 states, 6 states have (on average 456.8333333333333) internal successors, (2741), 6 states have internal predecessors, (2741), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-23 22:40:32,923 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-23 22:40:32,924 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 454 of 495 [2023-11-23 22:40:32,924 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-23 22:40:33,548 INFO L124 PetriNetUnfolderBase]: 151/2934 cut-off events. [2023-11-23 22:40:33,548 INFO L125 PetriNetUnfolderBase]: For 468/473 co-relation queries the response was YES. [2023-11-23 22:40:33,586 INFO L83 FinitePrefix]: Finished finitePrefix Result has 4092 conditions, 2934 events. 151/2934 cut-off events. For 468/473 co-relation queries the response was YES. Maximal size of possible extension queue 46. Compared 22566 event pairs, 18 based on Foata normal form. 0/2776 useless extension candidates. Maximal degree in co-relation 4003. Up to 111 conditions per place. [2023-11-23 22:40:33,594 INFO L140 encePairwiseOnDemand]: 487/495 looper letters, 32 selfloop transitions, 6 changer transitions 0/456 dead transitions. [2023-11-23 22:40:33,595 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 467 places, 456 transitions, 1376 flow [2023-11-23 22:40:33,595 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-23 22:40:33,595 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-11-23 22:40:33,598 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 2758 transitions. [2023-11-23 22:40:33,600 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.9286195286195286 [2023-11-23 22:40:33,601 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 2758 transitions. [2023-11-23 22:40:33,601 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 2758 transitions. [2023-11-23 22:40:33,602 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-23 22:40:33,603 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 2758 transitions. [2023-11-23 22:40:33,607 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 459.6666666666667) internal successors, (2758), 6 states have internal predecessors, (2758), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-23 22:40:33,611 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 495.0) internal successors, (3465), 7 states have internal predecessors, (3465), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-23 22:40:33,612 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 495.0) internal successors, (3465), 7 states have internal predecessors, (3465), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-23 22:40:33,612 INFO L175 Difference]: Start difference. First operand has 464 places, 454 transitions, 1292 flow. Second operand 6 states and 2758 transitions. [2023-11-23 22:40:33,612 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 467 places, 456 transitions, 1376 flow [2023-11-23 22:40:33,622 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 466 places, 456 transitions, 1375 flow, removed 0 selfloop flow, removed 1 redundant places. [2023-11-23 22:40:33,630 INFO L231 Difference]: Finished difference. Result has 466 places, 452 transitions, 1299 flow [2023-11-23 22:40:33,630 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=495, PETRI_DIFFERENCE_MINUEND_FLOW=1287, PETRI_DIFFERENCE_MINUEND_PLACES=461, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=452, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=6, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=446, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=1299, PETRI_PLACES=466, PETRI_TRANSITIONS=452} [2023-11-23 22:40:33,631 INFO L281 CegarLoopForPetriNet]: 452 programPoint places, 14 predicate places. [2023-11-23 22:40:33,631 INFO L495 AbstractCegarLoop]: Abstraction has has 466 places, 452 transitions, 1299 flow [2023-11-23 22:40:33,632 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 456.8333333333333) internal successors, (2741), 6 states have internal predecessors, (2741), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-23 22:40:33,632 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-23 22:40:33,632 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 22:40:33,633 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29 [2023-11-23 22:40:33,633 INFO L420 AbstractCegarLoop]: === Iteration 31 === Targeting ULTIMATE.startErr13ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err16ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE (and 92 more)] === [2023-11-23 22:40:33,633 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 22:40:33,633 INFO L85 PathProgramCache]: Analyzing trace with hash 2143243319, now seen corresponding path program 1 times [2023-11-23 22:40:33,633 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-23 22:40:33,634 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [778479677] [2023-11-23 22:40:33,634 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 22:40:33,634 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 22:40:33,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 22:40:33,696 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 22:40:33,696 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-23 22:40:33,697 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [778479677] [2023-11-23 22:40:33,697 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [778479677] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 22:40:33,697 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 22:40:33,697 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-23 22:40:33,697 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [267650410] [2023-11-23 22:40:33,697 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 22:40:33,698 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-23 22:40:33,698 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-23 22:40:33,699 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-23 22:40:33,699 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-23 22:40:33,715 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 471 out of 495 [2023-11-23 22:40:33,716 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 466 places, 452 transitions, 1299 flow. Second operand has 3 states, 3 states have (on average 474.3333333333333) internal successors, (1423), 3 states have internal predecessors, (1423), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-23 22:40:33,716 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-23 22:40:33,717 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 471 of 495 [2023-11-23 22:40:33,717 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-23 22:40:34,303 INFO L124 PetriNetUnfolderBase]: 139/2711 cut-off events. [2023-11-23 22:40:34,304 INFO L125 PetriNetUnfolderBase]: For 445/453 co-relation queries the response was YES. [2023-11-23 22:40:34,331 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3828 conditions, 2711 events. 139/2711 cut-off events. For 445/453 co-relation queries the response was YES. Maximal size of possible extension queue 44. Compared 19963 event pairs, 13 based on Foata normal form. 0/2573 useless extension candidates. Maximal degree in co-relation 3736. Up to 72 conditions per place. [2023-11-23 22:40:34,338 INFO L140 encePairwiseOnDemand]: 491/495 looper letters, 17 selfloop transitions, 2 changer transitions 0/457 dead transitions. [2023-11-23 22:40:34,338 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 468 places, 457 transitions, 1354 flow [2023-11-23 22:40:34,338 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-23 22:40:34,338 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-23 22:40:34,340 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1432 transitions. [2023-11-23 22:40:34,341 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.9643097643097643 [2023-11-23 22:40:34,341 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1432 transitions. [2023-11-23 22:40:34,342 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1432 transitions. [2023-11-23 22:40:34,342 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-23 22:40:34,343 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1432 transitions. [2023-11-23 22:40:34,345 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 477.3333333333333) internal successors, (1432), 3 states have internal predecessors, (1432), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-23 22:40:34,347 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 495.0) internal successors, (1980), 4 states have internal predecessors, (1980), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-23 22:40:34,348 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 495.0) internal successors, (1980), 4 states have internal predecessors, (1980), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-23 22:40:34,348 INFO L175 Difference]: Start difference. First operand has 466 places, 452 transitions, 1299 flow. Second operand 3 states and 1432 transitions. [2023-11-23 22:40:34,348 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 468 places, 457 transitions, 1354 flow [2023-11-23 22:40:34,358 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 463 places, 457 transitions, 1342 flow, removed 0 selfloop flow, removed 5 redundant places. [2023-11-23 22:40:34,365 INFO L231 Difference]: Finished difference. Result has 465 places, 454 transitions, 1311 flow [2023-11-23 22:40:34,366 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=495, PETRI_DIFFERENCE_MINUEND_FLOW=1287, PETRI_DIFFERENCE_MINUEND_PLACES=461, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=452, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=450, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1311, PETRI_PLACES=465, PETRI_TRANSITIONS=454} [2023-11-23 22:40:34,366 INFO L281 CegarLoopForPetriNet]: 452 programPoint places, 13 predicate places. [2023-11-23 22:40:34,366 INFO L495 AbstractCegarLoop]: Abstraction has has 465 places, 454 transitions, 1311 flow [2023-11-23 22:40:34,367 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 474.3333333333333) internal successors, (1423), 3 states have internal predecessors, (1423), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-23 22:40:34,367 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-23 22:40:34,367 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 22:40:34,367 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable30 [2023-11-23 22:40:34,368 INFO L420 AbstractCegarLoop]: === Iteration 32 === Targeting ULTIMATE.startErr13ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err16ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE (and 92 more)] === [2023-11-23 22:40:34,368 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 22:40:34,368 INFO L85 PathProgramCache]: Analyzing trace with hash 1422627548, now seen corresponding path program 1 times [2023-11-23 22:40:34,368 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-23 22:40:34,369 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1389513069] [2023-11-23 22:40:34,369 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 22:40:34,369 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 22:40:34,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 22:40:34,434 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 22:40:34,434 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-23 22:40:34,434 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1389513069] [2023-11-23 22:40:34,435 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1389513069] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 22:40:34,435 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 22:40:34,435 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-23 22:40:34,435 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2111356533] [2023-11-23 22:40:34,435 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 22:40:34,436 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-23 22:40:34,436 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-23 22:40:34,437 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-23 22:40:34,437 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-23 22:40:34,457 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 467 out of 495 [2023-11-23 22:40:34,458 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 465 places, 454 transitions, 1311 flow. Second operand has 3 states, 3 states have (on average 469.0) internal successors, (1407), 3 states have internal predecessors, (1407), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-23 22:40:34,459 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-23 22:40:34,459 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 467 of 495 [2023-11-23 22:40:34,459 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-23 22:40:35,007 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([1328] thread2EXIT-->L100-7: Formula: (and (= 0 v_thread2Thread1of1ForFork1_thidvar2_4) (= (let ((.cse0 (mod |v_ULTIMATE.start_main_#t~mem36#1_6| 4294967296))) (ite (<= .cse0 2147483647) .cse0 (+ (- 4294967296) .cse0))) v_thread2Thread1of1ForFork1_thidvar0_4) (= 0 v_thread2Thread1of1ForFork1_thidvar1_4)) InVars {thread2Thread1of1ForFork1_thidvar2=v_thread2Thread1of1ForFork1_thidvar2_4, ULTIMATE.start_main_#t~mem36#1=|v_ULTIMATE.start_main_#t~mem36#1_6|, thread2Thread1of1ForFork1_thidvar0=v_thread2Thread1of1ForFork1_thidvar0_4, thread2Thread1of1ForFork1_thidvar1=v_thread2Thread1of1ForFork1_thidvar1_4} OutVars{thread2Thread1of1ForFork1_thidvar2=v_thread2Thread1of1ForFork1_thidvar2_4, ULTIMATE.start_main_#t~mem36#1=|v_ULTIMATE.start_main_#t~mem36#1_6|, thread2Thread1of1ForFork1_thidvar0=v_thread2Thread1of1ForFork1_thidvar0_4, thread2Thread1of1ForFork1_thidvar1=v_thread2Thread1of1ForFork1_thidvar1_4} AuxVars[] AssignedVars[][295], [533#(and (= (select (select |#race| |ULTIMATE.start_main_~#t1~0#1.base|) |ULTIMATE.start_main_~#t1~0#1.offset|) 0) (= (select (select |#race| |ULTIMATE.start_main_~#t1~0#1.base|) (+ |ULTIMATE.start_main_~#t1~0#1.offset| 1)) 0) (= (select (select |#race| |ULTIMATE.start_main_~#t1~0#1.base|) (+ 2 |ULTIMATE.start_main_~#t1~0#1.offset|)) 0) (= (select (select |#race| |ULTIMATE.start_main_~#t1~0#1.base|) (+ 3 |ULTIMATE.start_main_~#t1~0#1.offset|)) 0)), 715#(= ~count2~0 ~count1~0), 628#(and (= (select (select |#race| |ULTIMATE.start_main_~#t2~0#1.base|) |ULTIMATE.start_main_~#t2~0#1.offset|) 0) (= (select (select |#race| |ULTIMATE.start_main_~#t2~0#1.base|) (+ 2 |ULTIMATE.start_main_~#t2~0#1.offset|)) 0) (= (select (select |#race| |ULTIMATE.start_main_~#t2~0#1.base|) (+ |ULTIMATE.start_main_~#t2~0#1.offset| 1)) 0) (= 0 (select (select |#race| |ULTIMATE.start_main_~#t2~0#1.base|) (+ 3 |ULTIMATE.start_main_~#t2~0#1.offset|)))), Black: 518#true, Black: 649#(and (= thread1Thread1of1ForFork0_~i~0 0) (<= ~n2~0 0) (not |thread1Thread1of1ForFork0_#t~short2|)), Black: 641#(and (<= ~n2~0 |ULTIMATE.start_create_fresh_int_array_#in~size#1|) (= |ULTIMATE.start_create_fresh_int_array_~i~2#1| 0) (<= ~n2~0 |ULTIMATE.start_create_fresh_int_array_~size#1|)), Black: 643#(and (<= ~n2~0 |ULTIMATE.start_create_fresh_int_array_#in~size#1|) (<= ~n2~0 0) (= |ULTIMATE.start_create_fresh_int_array_~i~2#1| 0) (<= ~n2~0 |ULTIMATE.start_create_fresh_int_array_~size#1|)), Black: 588#(and (<= ~n1~0 0) (= thread1Thread1of1ForFork0_~i~0 0) (not |thread1Thread1of1ForFork0_#t~short2|)), Black: 713#true, Black: 636#(and (= thread1Thread1of1ForFork0_~i~0 0) (<= ~n2~0 0)), Black: 635#(<= ~n2~0 0), Black: 582#(and (<= ~n1~0 |ULTIMATE.start_create_fresh_int_array_~size#1|) (<= ~n1~0 0) (= |ULTIMATE.start_create_fresh_int_array_~i~2#1| 0) (<= ~n1~0 |ULTIMATE.start_create_fresh_int_array_#in~size#1|)), Black: 523#true, Black: 574#(<= ~n1~0 0), Black: 575#(and (<= ~n1~0 0) (= thread1Thread1of1ForFork0_~i~0 0)), Black: 580#(and (<= ~n1~0 |ULTIMATE.start_create_fresh_int_array_~size#1|) (= |ULTIMATE.start_create_fresh_int_array_~i~2#1| 0) (<= ~n1~0 |ULTIMATE.start_create_fresh_int_array_#in~size#1|)), 525#(= |#race~count2~0| 0), 566#(= |#race~get2~0| 0), Black: 541#(not |thread1Thread1of1ForFork0_#t~short2|), Black: 545#true, Black: 662#(and (= thread2Thread1of1ForFork1_~i~1 0) (<= ~n2~0 0)), Black: 675#(and (= thread2Thread1of1ForFork1_~i~1 0) (<= ~n2~0 0) (not |thread2Thread1of1ForFork1_#t~short11|)), Black: 661#(<= ~n2~0 0), 399#L100-7true, Black: 604#(<= ~n1~0 0), Black: 605#(and (<= ~n1~0 0) (= thread2Thread1of1ForFork1_~i~1 0)), Black: 556#(not |thread2Thread1of1ForFork1_#t~short11|), Black: 618#(and (<= ~n1~0 0) (= thread2Thread1of1ForFork1_~i~1 0) (not |thread2Thread1of1ForFork1_#t~short11|)), Black: 685#(and (= (select (select |#race| ~get1~0.base) (+ ~get1~0.offset (* thread1Thread1of1ForFork0_~i~0 4) 1)) 0) (= (select (select |#race| ~get1~0.base) (+ 2 ~get1~0.offset (* thread1Thread1of1ForFork0_~i~0 4))) 0) (= (select (select |#race| ~get1~0.base) (+ 3 ~get1~0.offset (* thread1Thread1of1ForFork0_~i~0 4))) 0) (= 0 (select (select |#race| ~get1~0.base) (+ ~get1~0.offset (* thread1Thread1of1ForFork0_~i~0 4))))), 497#(= |#race~n1~0| 0), 719#true, Black: 693#(and (= (select (select |#race| ~get2~0.base) (+ ~get2~0.offset (* thread2Thread1of1ForFork1_~i~1 4) 1)) 0) (= (select (select |#race| ~get2~0.base) (+ 3 ~get2~0.offset (* thread2Thread1of1ForFork1_~i~1 4))) 0) (= (select (select |#race| ~get2~0.base) (+ 2 ~get2~0.offset (* thread2Thread1of1ForFork1_~i~1 4))) 0) (= (select (select |#race| ~get2~0.base) (+ ~get2~0.offset (* thread2Thread1of1ForFork1_~i~1 4))) 0)), Black: 564#true, 512#(= |#race~n2~0| 0), 547#(= |#race~get1~0| 0), Black: 698#(not (= ~count2~0 ~count1~0)), 520#(= |#race~count1~0| 0)]) [2023-11-23 22:40:35,008 INFO L294 olderBase$Statistics]: this new event has 251 ancestors and is cut-off event [2023-11-23 22:40:35,008 INFO L297 olderBase$Statistics]: existing Event has 242 ancestors and is cut-off event [2023-11-23 22:40:35,008 INFO L297 olderBase$Statistics]: existing Event has 242 ancestors and is cut-off event [2023-11-23 22:40:35,008 INFO L297 olderBase$Statistics]: existing Event has 273 ancestors and is cut-off event [2023-11-23 22:40:35,021 INFO L124 PetriNetUnfolderBase]: 128/2509 cut-off events. [2023-11-23 22:40:35,022 INFO L125 PetriNetUnfolderBase]: For 383/421 co-relation queries the response was YES. [2023-11-23 22:40:35,044 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3489 conditions, 2509 events. 128/2509 cut-off events. For 383/421 co-relation queries the response was YES. Maximal size of possible extension queue 37. Compared 17972 event pairs, 10 based on Foata normal form. 9/2431 useless extension candidates. Maximal degree in co-relation 3400. Up to 99 conditions per place. [2023-11-23 22:40:35,048 INFO L140 encePairwiseOnDemand]: 489/495 looper letters, 6 selfloop transitions, 0 changer transitions 83/453 dead transitions. [2023-11-23 22:40:35,048 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 464 places, 453 transitions, 1337 flow [2023-11-23 22:40:35,048 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-23 22:40:35,048 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-23 22:40:35,050 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1418 transitions. [2023-11-23 22:40:35,051 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.9548821548821549 [2023-11-23 22:40:35,051 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1418 transitions. [2023-11-23 22:40:35,051 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1418 transitions. [2023-11-23 22:40:35,052 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-23 22:40:35,052 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1418 transitions. [2023-11-23 22:40:35,055 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 472.6666666666667) internal successors, (1418), 3 states have internal predecessors, (1418), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-23 22:40:35,057 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 495.0) internal successors, (1980), 4 states have internal predecessors, (1980), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-23 22:40:35,057 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 495.0) internal successors, (1980), 4 states have internal predecessors, (1980), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-23 22:40:35,057 INFO L175 Difference]: Start difference. First operand has 465 places, 454 transitions, 1311 flow. Second operand 3 states and 1418 transitions. [2023-11-23 22:40:35,058 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 464 places, 453 transitions, 1337 flow [2023-11-23 22:40:35,066 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 463 places, 453 transitions, 1331 flow, removed 2 selfloop flow, removed 1 redundant places. [2023-11-23 22:40:35,072 INFO L231 Difference]: Finished difference. Result has 463 places, 370 transitions, 938 flow [2023-11-23 22:40:35,073 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=495, PETRI_DIFFERENCE_MINUEND_FLOW=1299, PETRI_DIFFERENCE_MINUEND_PLACES=461, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=451, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=451, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=938, PETRI_PLACES=463, PETRI_TRANSITIONS=370} [2023-11-23 22:40:35,074 INFO L281 CegarLoopForPetriNet]: 452 programPoint places, 11 predicate places. [2023-11-23 22:40:35,074 INFO L495 AbstractCegarLoop]: Abstraction has has 463 places, 370 transitions, 938 flow [2023-11-23 22:40:35,075 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 469.0) internal successors, (1407), 3 states have internal predecessors, (1407), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-23 22:40:35,075 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-23 22:40:35,075 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 22:40:35,075 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable31 [2023-11-23 22:40:35,075 INFO L420 AbstractCegarLoop]: === Iteration 33 === Targeting thread2Err7ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err16ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE (and 92 more)] === [2023-11-23 22:40:35,076 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 22:40:35,076 INFO L85 PathProgramCache]: Analyzing trace with hash 1145791492, now seen corresponding path program 1 times [2023-11-23 22:40:35,076 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-23 22:40:35,076 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [859106295] [2023-11-23 22:40:35,077 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 22:40:35,077 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 22:40:35,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 22:40:35,764 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-23 22:40:35,764 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-23 22:40:35,765 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [859106295] [2023-11-23 22:40:35,765 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [859106295] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 22:40:35,765 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 22:40:35,765 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-23 22:40:35,765 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1938347034] [2023-11-23 22:40:35,765 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 22:40:35,766 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-23 22:40:35,766 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-23 22:40:35,767 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-23 22:40:35,767 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-11-23 22:40:36,454 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 454 out of 495 [2023-11-23 22:40:36,457 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 463 places, 370 transitions, 938 flow. Second operand has 6 states, 6 states have (on average 457.0) internal successors, (2742), 6 states have internal predecessors, (2742), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-23 22:40:36,457 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-23 22:40:36,457 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 454 of 495 [2023-11-23 22:40:36,457 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-23 22:40:36,732 INFO L124 PetriNetUnfolderBase]: 84/1147 cut-off events. [2023-11-23 22:40:36,732 INFO L125 PetriNetUnfolderBase]: For 189/192 co-relation queries the response was YES. [2023-11-23 22:40:36,744 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1683 conditions, 1147 events. 84/1147 cut-off events. For 189/192 co-relation queries the response was YES. Maximal size of possible extension queue 30. Compared 6374 event pairs, 5 based on Foata normal form. 0/1106 useless extension candidates. Maximal degree in co-relation 1654. Up to 61 conditions per place. [2023-11-23 22:40:36,747 INFO L140 encePairwiseOnDemand]: 487/495 looper letters, 25 selfloop transitions, 6 changer transitions 0/372 dead transitions. [2023-11-23 22:40:36,747 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 406 places, 372 transitions, 1008 flow [2023-11-23 22:40:36,748 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-23 22:40:36,748 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-11-23 22:40:36,751 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 2757 transitions. [2023-11-23 22:40:36,753 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.9282828282828283 [2023-11-23 22:40:36,753 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 2757 transitions. [2023-11-23 22:40:36,753 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 2757 transitions. [2023-11-23 22:40:36,755 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-23 22:40:36,755 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 2757 transitions. [2023-11-23 22:40:36,759 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 459.5) internal successors, (2757), 6 states have internal predecessors, (2757), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-23 22:40:36,764 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 495.0) internal successors, (3465), 7 states have internal predecessors, (3465), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-23 22:40:36,764 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 495.0) internal successors, (3465), 7 states have internal predecessors, (3465), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-23 22:40:36,765 INFO L175 Difference]: Start difference. First operand has 463 places, 370 transitions, 938 flow. Second operand 6 states and 2757 transitions. [2023-11-23 22:40:36,765 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 406 places, 372 transitions, 1008 flow [2023-11-23 22:40:36,771 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 384 places, 372 transitions, 928 flow, removed 24 selfloop flow, removed 22 redundant places. [2023-11-23 22:40:36,776 INFO L231 Difference]: Finished difference. Result has 384 places, 368 transitions, 866 flow [2023-11-23 22:40:36,777 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=495, PETRI_DIFFERENCE_MINUEND_FLOW=854, PETRI_DIFFERENCE_MINUEND_PLACES=379, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=368, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=6, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=362, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=866, PETRI_PLACES=384, PETRI_TRANSITIONS=368} [2023-11-23 22:40:36,778 INFO L281 CegarLoopForPetriNet]: 452 programPoint places, -68 predicate places. [2023-11-23 22:40:36,778 INFO L495 AbstractCegarLoop]: Abstraction has has 384 places, 368 transitions, 866 flow [2023-11-23 22:40:36,778 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 457.0) internal successors, (2742), 6 states have internal predecessors, (2742), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-23 22:40:36,779 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-23 22:40:36,779 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 22:40:36,779 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable32 [2023-11-23 22:40:36,779 INFO L420 AbstractCegarLoop]: === Iteration 34 === Targeting thread1Err12ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err16ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE (and 92 more)] === [2023-11-23 22:40:36,780 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 22:40:36,780 INFO L85 PathProgramCache]: Analyzing trace with hash -1015016705, now seen corresponding path program 1 times [2023-11-23 22:40:36,780 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-23 22:40:36,780 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [351727258] [2023-11-23 22:40:36,780 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 22:40:36,781 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 22:40:36,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 22:40:36,877 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-23 22:40:36,877 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-23 22:40:36,877 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [351727258] [2023-11-23 22:40:36,878 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [351727258] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 22:40:36,878 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 22:40:36,878 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-23 22:40:36,878 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2142912303] [2023-11-23 22:40:36,878 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 22:40:36,879 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-23 22:40:36,880 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-23 22:40:36,880 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-23 22:40:36,880 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-23 22:40:36,907 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 469 out of 495 [2023-11-23 22:40:36,909 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 384 places, 368 transitions, 866 flow. Second operand has 3 states, 3 states have (on average 470.3333333333333) internal successors, (1411), 3 states have internal predecessors, (1411), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-23 22:40:36,909 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-23 22:40:36,909 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 469 of 495 [2023-11-23 22:40:36,909 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-23 22:40:37,121 INFO L124 PetriNetUnfolderBase]: 66/1218 cut-off events. [2023-11-23 22:40:37,121 INFO L125 PetriNetUnfolderBase]: For 20/23 co-relation queries the response was YES. [2023-11-23 22:40:37,129 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1534 conditions, 1218 events. 66/1218 cut-off events. For 20/23 co-relation queries the response was YES. Maximal size of possible extension queue 28. Compared 6732 event pairs, 4 based on Foata normal form. 0/1165 useless extension candidates. Maximal degree in co-relation 1518. Up to 36 conditions per place. [2023-11-23 22:40:37,131 INFO L140 encePairwiseOnDemand]: 492/495 looper letters, 7 selfloop transitions, 2 changer transitions 0/368 dead transitions. [2023-11-23 22:40:37,131 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 385 places, 368 transitions, 885 flow [2023-11-23 22:40:37,131 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-23 22:40:37,131 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-23 22:40:37,133 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1417 transitions. [2023-11-23 22:40:37,134 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.9542087542087542 [2023-11-23 22:40:37,134 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1417 transitions. [2023-11-23 22:40:37,134 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1417 transitions. [2023-11-23 22:40:37,135 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-23 22:40:37,135 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1417 transitions. [2023-11-23 22:40:37,138 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 472.3333333333333) internal successors, (1417), 3 states have internal predecessors, (1417), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-23 22:40:37,140 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 495.0) internal successors, (1980), 4 states have internal predecessors, (1980), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-23 22:40:37,140 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 495.0) internal successors, (1980), 4 states have internal predecessors, (1980), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-23 22:40:37,140 INFO L175 Difference]: Start difference. First operand has 384 places, 368 transitions, 866 flow. Second operand 3 states and 1417 transitions. [2023-11-23 22:40:37,141 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 385 places, 368 transitions, 885 flow [2023-11-23 22:40:37,145 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 380 places, 368 transitions, 873 flow, removed 0 selfloop flow, removed 5 redundant places. [2023-11-23 22:40:37,150 INFO L231 Difference]: Finished difference. Result has 380 places, 367 transitions, 856 flow [2023-11-23 22:40:37,151 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=495, PETRI_DIFFERENCE_MINUEND_FLOW=852, PETRI_DIFFERENCE_MINUEND_PLACES=378, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=367, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=365, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=856, PETRI_PLACES=380, PETRI_TRANSITIONS=367} [2023-11-23 22:40:37,151 INFO L281 CegarLoopForPetriNet]: 452 programPoint places, -72 predicate places. [2023-11-23 22:40:37,151 INFO L495 AbstractCegarLoop]: Abstraction has has 380 places, 367 transitions, 856 flow [2023-11-23 22:40:37,152 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 470.3333333333333) internal successors, (1411), 3 states have internal predecessors, (1411), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-23 22:40:37,152 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-23 22:40:37,152 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 22:40:37,152 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable33 [2023-11-23 22:40:37,153 INFO L420 AbstractCegarLoop]: === Iteration 35 === Targeting thread2Err12ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err16ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE (and 92 more)] === [2023-11-23 22:40:37,153 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 22:40:37,153 INFO L85 PathProgramCache]: Analyzing trace with hash -1111558254, now seen corresponding path program 1 times [2023-11-23 22:40:37,153 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-23 22:40:37,154 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1609594931] [2023-11-23 22:40:37,154 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 22:40:37,154 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 22:40:37,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 22:40:37,245 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-23 22:40:37,245 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-23 22:40:37,245 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1609594931] [2023-11-23 22:40:37,245 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1609594931] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 22:40:37,245 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 22:40:37,246 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-23 22:40:37,246 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1135607991] [2023-11-23 22:40:37,246 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 22:40:37,264 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-23 22:40:37,265 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-23 22:40:37,265 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-23 22:40:37,265 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-23 22:40:37,292 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 469 out of 495 [2023-11-23 22:40:37,293 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 380 places, 367 transitions, 856 flow. Second operand has 3 states, 3 states have (on average 470.6666666666667) internal successors, (1412), 3 states have internal predecessors, (1412), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-23 22:40:37,294 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-23 22:40:37,294 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 469 of 495 [2023-11-23 22:40:37,294 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-23 22:40:37,469 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([1265] L77-6-->L77-7: Formula: (= |v_#race~res2~0_7| |v_thread2Thread1of1ForFork1_#t~nondet17_3|) InVars {thread2Thread1of1ForFork1_#t~nondet17=|v_thread2Thread1of1ForFork1_#t~nondet17_3|} OutVars{#race~res2~0=|v_#race~res2~0_7|, thread2Thread1of1ForFork1_#t~nondet17=|v_thread2Thread1of1ForFork1_#t~nondet17_3|} AuxVars[] AssignedVars[#race~res2~0][269], [533#(and (= (select (select |#race| |ULTIMATE.start_main_~#t1~0#1.base|) |ULTIMATE.start_main_~#t1~0#1.offset|) 0) (= (select (select |#race| |ULTIMATE.start_main_~#t1~0#1.base|) (+ |ULTIMATE.start_main_~#t1~0#1.offset| 1)) 0) (= (select (select |#race| |ULTIMATE.start_main_~#t1~0#1.base|) (+ 2 |ULTIMATE.start_main_~#t1~0#1.offset|)) 0) (= (select (select |#race| |ULTIMATE.start_main_~#t1~0#1.base|) (+ 3 |ULTIMATE.start_main_~#t1~0#1.offset|)) 0)), 715#(= ~count2~0 ~count1~0), Black: 518#true, 321#L77-7true, Black: 641#(and (<= ~n2~0 |ULTIMATE.start_create_fresh_int_array_#in~size#1|) (= |ULTIMATE.start_create_fresh_int_array_~i~2#1| 0) (<= ~n2~0 |ULTIMATE.start_create_fresh_int_array_~size#1|)), Black: 713#true, Black: 523#true, 734#true, Black: 580#(and (<= ~n1~0 |ULTIMATE.start_create_fresh_int_array_~size#1|) (= |ULTIMATE.start_create_fresh_int_array_~i~2#1| 0) (<= ~n1~0 |ULTIMATE.start_create_fresh_int_array_#in~size#1|)), 525#(= |#race~count2~0| 0), 730#true, 566#(= |#race~get2~0| 0), Black: 541#(not |thread1Thread1of1ForFork0_#t~short2|), Black: 545#true, Black: 556#(not |thread2Thread1of1ForFork1_#t~short11|), Black: 685#(and (= (select (select |#race| ~get1~0.base) (+ ~get1~0.offset (* thread1Thread1of1ForFork0_~i~0 4) 1)) 0) (= (select (select |#race| ~get1~0.base) (+ 2 ~get1~0.offset (* thread1Thread1of1ForFork0_~i~0 4))) 0) (= (select (select |#race| ~get1~0.base) (+ 3 ~get1~0.offset (* thread1Thread1of1ForFork0_~i~0 4))) 0) (= 0 (select (select |#race| ~get1~0.base) (+ ~get1~0.offset (* thread1Thread1of1ForFork0_~i~0 4))))), 497#(= |#race~n1~0| 0), 719#true, 199#L99-7true, Black: 693#(and (= (select (select |#race| ~get2~0.base) (+ ~get2~0.offset (* thread2Thread1of1ForFork1_~i~1 4) 1)) 0) (= (select (select |#race| ~get2~0.base) (+ 3 ~get2~0.offset (* thread2Thread1of1ForFork1_~i~1 4))) 0) (= (select (select |#race| ~get2~0.base) (+ 2 ~get2~0.offset (* thread2Thread1of1ForFork1_~i~1 4))) 0) (= (select (select |#race| ~get2~0.base) (+ ~get2~0.offset (* thread2Thread1of1ForFork1_~i~1 4))) 0)), Black: 564#true, 512#(= |#race~n2~0| 0), 547#(= |#race~get1~0| 0), Black: 698#(not (= ~count2~0 ~count1~0)), 520#(= |#race~count1~0| 0)]) [2023-11-23 22:40:37,469 INFO L294 olderBase$Statistics]: this new event has 254 ancestors and is cut-off event [2023-11-23 22:40:37,469 INFO L297 olderBase$Statistics]: existing Event has 239 ancestors and is cut-off event [2023-11-23 22:40:37,469 INFO L297 olderBase$Statistics]: existing Event has 270 ancestors and is cut-off event [2023-11-23 22:40:37,469 INFO L297 olderBase$Statistics]: existing Event has 239 ancestors and is cut-off event [2023-11-23 22:40:37,469 INFO L124 PetriNetUnfolderBase]: 65/1055 cut-off events. [2023-11-23 22:40:37,469 INFO L125 PetriNetUnfolderBase]: For 19/22 co-relation queries the response was YES. [2023-11-23 22:40:37,478 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1322 conditions, 1055 events. 65/1055 cut-off events. For 19/22 co-relation queries the response was YES. Maximal size of possible extension queue 22. Compared 5327 event pairs, 4 based on Foata normal form. 0/1014 useless extension candidates. Maximal degree in co-relation 1306. Up to 44 conditions per place. [2023-11-23 22:40:37,479 INFO L140 encePairwiseOnDemand]: 492/495 looper letters, 0 selfloop transitions, 0 changer transitions 367/367 dead transitions. [2023-11-23 22:40:37,479 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 381 places, 367 transitions, 877 flow [2023-11-23 22:40:37,479 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-23 22:40:37,479 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-23 22:40:37,481 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1418 transitions. [2023-11-23 22:40:37,481 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.9548821548821549 [2023-11-23 22:40:37,481 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1418 transitions. [2023-11-23 22:40:37,481 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1418 transitions. [2023-11-23 22:40:37,482 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-23 22:40:37,482 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1418 transitions. [2023-11-23 22:40:37,484 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 472.6666666666667) internal successors, (1418), 3 states have internal predecessors, (1418), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-23 22:40:37,486 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 495.0) internal successors, (1980), 4 states have internal predecessors, (1980), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-23 22:40:37,486 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 495.0) internal successors, (1980), 4 states have internal predecessors, (1980), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-23 22:40:37,486 INFO L175 Difference]: Start difference. First operand has 380 places, 367 transitions, 856 flow. Second operand 3 states and 1418 transitions. [2023-11-23 22:40:37,487 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 381 places, 367 transitions, 877 flow [2023-11-23 22:40:37,490 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 379 places, 367 transitions, 873 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-11-23 22:40:37,493 INFO L231 Difference]: Finished difference. Result has 379 places, 0 transitions, 0 flow [2023-11-23 22:40:37,494 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=495, PETRI_DIFFERENCE_MINUEND_FLOW=850, PETRI_DIFFERENCE_MINUEND_PLACES=377, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=366, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=366, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=0, PETRI_PLACES=379, PETRI_TRANSITIONS=0} [2023-11-23 22:40:37,494 INFO L281 CegarLoopForPetriNet]: 452 programPoint places, -73 predicate places. [2023-11-23 22:40:37,494 INFO L495 AbstractCegarLoop]: Abstraction has has 379 places, 0 transitions, 0 flow [2023-11-23 22:40:37,495 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 470.6666666666667) internal successors, (1412), 3 states have internal predecessors, (1412), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-23 22:40:37,497 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (95 of 96 remaining) [2023-11-23 22:40:37,498 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE (94 of 96 remaining) [2023-11-23 22:40:37,498 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err16ASSERT_VIOLATIONDATA_RACE (93 of 96 remaining) [2023-11-23 22:40:37,498 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err2ASSERT_VIOLATIONDATA_RACE (92 of 96 remaining) [2023-11-23 22:40:37,498 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err17ASSERT_VIOLATIONDATA_RACE (91 of 96 remaining) [2023-11-23 22:40:37,499 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err13ASSERT_VIOLATIONDATA_RACE (90 of 96 remaining) [2023-11-23 22:40:37,499 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err3ASSERT_VIOLATIONDATA_RACE (89 of 96 remaining) [2023-11-23 22:40:37,499 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err14ASSERT_VIOLATIONDATA_RACE (88 of 96 remaining) [2023-11-23 22:40:37,499 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err18ASSERT_VIOLATIONDATA_RACE (87 of 96 remaining) [2023-11-23 22:40:37,499 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err4ASSERT_VIOLATIONDATA_RACE (86 of 96 remaining) [2023-11-23 22:40:37,499 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err15ASSERT_VIOLATIONDATA_RACE (85 of 96 remaining) [2023-11-23 22:40:37,500 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err5ASSERT_VIOLATIONDATA_RACE (84 of 96 remaining) [2023-11-23 22:40:37,500 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err6ASSERT_VIOLATIONDATA_RACE (83 of 96 remaining) [2023-11-23 22:40:37,500 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err7ASSERT_VIOLATIONDATA_RACE (82 of 96 remaining) [2023-11-23 22:40:37,500 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err8ASSERT_VIOLATIONDATA_RACE (81 of 96 remaining) [2023-11-23 22:40:37,500 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err9ASSERT_VIOLATIONDATA_RACE (80 of 96 remaining) [2023-11-23 22:40:37,501 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err10ASSERT_VIOLATIONDATA_RACE (79 of 96 remaining) [2023-11-23 22:40:37,501 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err11ASSERT_VIOLATIONDATA_RACE (78 of 96 remaining) [2023-11-23 22:40:37,501 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err12ASSERT_VIOLATIONDATA_RACE (77 of 96 remaining) [2023-11-23 22:40:37,501 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (76 of 96 remaining) [2023-11-23 22:40:37,501 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (75 of 96 remaining) [2023-11-23 22:40:37,501 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err16ASSERT_VIOLATIONDATA_RACE (74 of 96 remaining) [2023-11-23 22:40:37,502 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err2ASSERT_VIOLATIONDATA_RACE (73 of 96 remaining) [2023-11-23 22:40:37,502 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err17ASSERT_VIOLATIONDATA_RACE (72 of 96 remaining) [2023-11-23 22:40:37,502 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err13ASSERT_VIOLATIONDATA_RACE (71 of 96 remaining) [2023-11-23 22:40:37,502 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err3ASSERT_VIOLATIONDATA_RACE (70 of 96 remaining) [2023-11-23 22:40:37,502 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err14ASSERT_VIOLATIONDATA_RACE (69 of 96 remaining) [2023-11-23 22:40:37,502 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err18ASSERT_VIOLATIONDATA_RACE (68 of 96 remaining) [2023-11-23 22:40:37,503 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err4ASSERT_VIOLATIONDATA_RACE (67 of 96 remaining) [2023-11-23 22:40:37,503 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err15ASSERT_VIOLATIONDATA_RACE (66 of 96 remaining) [2023-11-23 22:40:37,503 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err5ASSERT_VIOLATIONDATA_RACE (65 of 96 remaining) [2023-11-23 22:40:37,503 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err6ASSERT_VIOLATIONDATA_RACE (64 of 96 remaining) [2023-11-23 22:40:37,503 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err7ASSERT_VIOLATIONDATA_RACE (63 of 96 remaining) [2023-11-23 22:40:37,504 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err8ASSERT_VIOLATIONDATA_RACE (62 of 96 remaining) [2023-11-23 22:40:37,504 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err9ASSERT_VIOLATIONDATA_RACE (61 of 96 remaining) [2023-11-23 22:40:37,504 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err10ASSERT_VIOLATIONDATA_RACE (60 of 96 remaining) [2023-11-23 22:40:37,504 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err11ASSERT_VIOLATIONDATA_RACE (59 of 96 remaining) [2023-11-23 22:40:37,504 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err12ASSERT_VIOLATIONDATA_RACE (58 of 96 remaining) [2023-11-23 22:40:37,504 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (57 of 96 remaining) [2023-11-23 22:40:37,505 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (56 of 96 remaining) [2023-11-23 22:40:37,505 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (55 of 96 remaining) [2023-11-23 22:40:37,505 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (54 of 96 remaining) [2023-11-23 22:40:37,505 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE (53 of 96 remaining) [2023-11-23 22:40:37,505 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE (52 of 96 remaining) [2023-11-23 22:40:37,505 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE (51 of 96 remaining) [2023-11-23 22:40:37,506 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE (50 of 96 remaining) [2023-11-23 22:40:37,506 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr8ASSERT_VIOLATIONDATA_RACE (49 of 96 remaining) [2023-11-23 22:40:37,506 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE (48 of 96 remaining) [2023-11-23 22:40:37,506 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE (47 of 96 remaining) [2023-11-23 22:40:37,506 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr11ASSERT_VIOLATIONDATA_RACE (46 of 96 remaining) [2023-11-23 22:40:37,506 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr12ASSERT_VIOLATIONDATA_RACE (45 of 96 remaining) [2023-11-23 22:40:37,507 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr13ASSERT_VIOLATIONDATA_RACE (44 of 96 remaining) [2023-11-23 22:40:37,507 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr14ASSERT_VIOLATIONDATA_RACE (43 of 96 remaining) [2023-11-23 22:40:37,507 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr15ASSERT_VIOLATIONDATA_RACE (42 of 96 remaining) [2023-11-23 22:40:37,507 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr16ASSERT_VIOLATIONDATA_RACE (41 of 96 remaining) [2023-11-23 22:40:37,507 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr17ASSERT_VIOLATIONDATA_RACE (40 of 96 remaining) [2023-11-23 22:40:37,507 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (39 of 96 remaining) [2023-11-23 22:40:37,508 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (38 of 96 remaining) [2023-11-23 22:40:37,508 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (37 of 96 remaining) [2023-11-23 22:40:37,508 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE (36 of 96 remaining) [2023-11-23 22:40:37,508 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err16ASSERT_VIOLATIONDATA_RACE (35 of 96 remaining) [2023-11-23 22:40:37,508 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err2ASSERT_VIOLATIONDATA_RACE (34 of 96 remaining) [2023-11-23 22:40:37,509 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err17ASSERT_VIOLATIONDATA_RACE (33 of 96 remaining) [2023-11-23 22:40:37,509 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err13ASSERT_VIOLATIONDATA_RACE (32 of 96 remaining) [2023-11-23 22:40:37,509 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err3ASSERT_VIOLATIONDATA_RACE (31 of 96 remaining) [2023-11-23 22:40:37,509 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err14ASSERT_VIOLATIONDATA_RACE (30 of 96 remaining) [2023-11-23 22:40:37,509 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err18ASSERT_VIOLATIONDATA_RACE (29 of 96 remaining) [2023-11-23 22:40:37,509 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err4ASSERT_VIOLATIONDATA_RACE (28 of 96 remaining) [2023-11-23 22:40:37,510 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err15ASSERT_VIOLATIONDATA_RACE (27 of 96 remaining) [2023-11-23 22:40:37,510 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err5ASSERT_VIOLATIONDATA_RACE (26 of 96 remaining) [2023-11-23 22:40:37,510 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err6ASSERT_VIOLATIONDATA_RACE (25 of 96 remaining) [2023-11-23 22:40:37,510 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err7ASSERT_VIOLATIONDATA_RACE (24 of 96 remaining) [2023-11-23 22:40:37,510 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err8ASSERT_VIOLATIONDATA_RACE (23 of 96 remaining) [2023-11-23 22:40:37,510 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err9ASSERT_VIOLATIONDATA_RACE (22 of 96 remaining) [2023-11-23 22:40:37,511 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err10ASSERT_VIOLATIONDATA_RACE (21 of 96 remaining) [2023-11-23 22:40:37,511 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err11ASSERT_VIOLATIONDATA_RACE (20 of 96 remaining) [2023-11-23 22:40:37,511 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err12ASSERT_VIOLATIONDATA_RACE (19 of 96 remaining) [2023-11-23 22:40:37,511 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (18 of 96 remaining) [2023-11-23 22:40:37,511 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (17 of 96 remaining) [2023-11-23 22:40:37,511 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err16ASSERT_VIOLATIONDATA_RACE (16 of 96 remaining) [2023-11-23 22:40:37,512 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err2ASSERT_VIOLATIONDATA_RACE (15 of 96 remaining) [2023-11-23 22:40:37,512 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err17ASSERT_VIOLATIONDATA_RACE (14 of 96 remaining) [2023-11-23 22:40:37,512 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err13ASSERT_VIOLATIONDATA_RACE (13 of 96 remaining) [2023-11-23 22:40:37,512 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err3ASSERT_VIOLATIONDATA_RACE (12 of 96 remaining) [2023-11-23 22:40:37,512 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err14ASSERT_VIOLATIONDATA_RACE (11 of 96 remaining) [2023-11-23 22:40:37,513 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err18ASSERT_VIOLATIONDATA_RACE (10 of 96 remaining) [2023-11-23 22:40:37,513 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err4ASSERT_VIOLATIONDATA_RACE (9 of 96 remaining) [2023-11-23 22:40:37,513 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err15ASSERT_VIOLATIONDATA_RACE (8 of 96 remaining) [2023-11-23 22:40:37,513 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err5ASSERT_VIOLATIONDATA_RACE (7 of 96 remaining) [2023-11-23 22:40:37,513 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err6ASSERT_VIOLATIONDATA_RACE (6 of 96 remaining) [2023-11-23 22:40:37,513 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err7ASSERT_VIOLATIONDATA_RACE (5 of 96 remaining) [2023-11-23 22:40:37,514 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err8ASSERT_VIOLATIONDATA_RACE (4 of 96 remaining) [2023-11-23 22:40:37,514 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err9ASSERT_VIOLATIONDATA_RACE (3 of 96 remaining) [2023-11-23 22:40:37,514 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err10ASSERT_VIOLATIONDATA_RACE (2 of 96 remaining) [2023-11-23 22:40:37,514 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err11ASSERT_VIOLATIONDATA_RACE (1 of 96 remaining) [2023-11-23 22:40:37,514 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err12ASSERT_VIOLATIONDATA_RACE (0 of 96 remaining) [2023-11-23 22:40:37,514 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable34 [2023-11-23 22:40:37,515 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 22:40:37,522 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2023-11-23 22:40:37,522 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-23 22:40:37,528 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.11 10:40:37 BasicIcfg [2023-11-23 22:40:37,528 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-23 22:40:37,529 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-23 22:40:37,529 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-23 22:40:37,529 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-23 22:40:37,529 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 10:40:04" (3/4) ... [2023-11-23 22:40:37,531 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-11-23 22:40:37,535 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread1 [2023-11-23 22:40:37,535 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread2 [2023-11-23 22:40:37,544 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 23 nodes and edges [2023-11-23 22:40:37,544 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2023-11-23 22:40:37,545 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2023-11-23 22:40:37,546 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-11-23 22:40:37,659 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b882ff97-f855-4a96-8c4a-0fd3540dc259/bin/uautomizer-verify-zZY32mL2XJ/witness.graphml [2023-11-23 22:40:37,659 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b882ff97-f855-4a96-8c4a-0fd3540dc259/bin/uautomizer-verify-zZY32mL2XJ/witness.yml [2023-11-23 22:40:37,659 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-23 22:40:37,660 INFO L158 Benchmark]: Toolchain (without parser) took 35161.54ms. Allocated memory was 148.9MB in the beginning and 1.5GB in the end (delta: 1.4GB). Free memory was 109.3MB in the beginning and 542.4MB in the end (delta: -433.1MB). Peak memory consumption was 920.9MB. Max. memory is 16.1GB. [2023-11-23 22:40:37,660 INFO L158 Benchmark]: CDTParser took 0.28ms. Allocated memory is still 148.9MB. Free memory was 119.0MB in the beginning and 118.9MB in the end (delta: 176.2kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-23 22:40:37,661 INFO L158 Benchmark]: CACSL2BoogieTranslator took 341.34ms. Allocated memory is still 148.9MB. Free memory was 109.3MB in the beginning and 96.0MB in the end (delta: 13.3MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-11-23 22:40:37,662 INFO L158 Benchmark]: Boogie Procedure Inliner took 62.50ms. Allocated memory is still 148.9MB. Free memory was 96.0MB in the beginning and 93.5MB in the end (delta: 2.5MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-23 22:40:37,663 INFO L158 Benchmark]: Boogie Preprocessor took 57.17ms. Allocated memory is still 148.9MB. Free memory was 93.5MB in the beginning and 90.5MB in the end (delta: 3.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-23 22:40:37,666 INFO L158 Benchmark]: RCFGBuilder took 1071.14ms. Allocated memory was 148.9MB in the beginning and 211.8MB in the end (delta: 62.9MB). Free memory was 90.5MB in the beginning and 177.8MB in the end (delta: -87.4MB). Peak memory consumption was 44.0MB. Max. memory is 16.1GB. [2023-11-23 22:40:37,666 INFO L158 Benchmark]: TraceAbstraction took 33491.46ms. Allocated memory was 211.8MB in the beginning and 1.5GB in the end (delta: 1.3GB). Free memory was 176.8MB in the beginning and 549.8MB in the end (delta: -373.0MB). Peak memory consumption was 916.8MB. Max. memory is 16.1GB. [2023-11-23 22:40:37,667 INFO L158 Benchmark]: Witness Printer took 130.95ms. Allocated memory is still 1.5GB. Free memory was 549.8MB in the beginning and 542.4MB in the end (delta: 7.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2023-11-23 22:40:37,669 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.28ms. Allocated memory is still 148.9MB. Free memory was 119.0MB in the beginning and 118.9MB in the end (delta: 176.2kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 341.34ms. Allocated memory is still 148.9MB. Free memory was 109.3MB in the beginning and 96.0MB in the end (delta: 13.3MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 62.50ms. Allocated memory is still 148.9MB. Free memory was 96.0MB in the beginning and 93.5MB in the end (delta: 2.5MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 57.17ms. Allocated memory is still 148.9MB. Free memory was 93.5MB in the beginning and 90.5MB in the end (delta: 3.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 1071.14ms. Allocated memory was 148.9MB in the beginning and 211.8MB in the end (delta: 62.9MB). Free memory was 90.5MB in the beginning and 177.8MB in the end (delta: -87.4MB). Peak memory consumption was 44.0MB. Max. memory is 16.1GB. * TraceAbstraction took 33491.46ms. Allocated memory was 211.8MB in the beginning and 1.5GB in the end (delta: 1.3GB). Free memory was 176.8MB in the beginning and 549.8MB in the end (delta: -373.0MB). Peak memory consumption was 916.8MB. Max. memory is 16.1GB. * Witness Printer took 130.95ms. Allocated memory is still 1.5GB. Free memory was 549.8MB in the beginning and 542.4MB in the end (delta: 7.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 48]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 48]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 60]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 49]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 60]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 57]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 49]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 57]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 60]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 50]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 57]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 50]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 50]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 50]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 51]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 51]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 51]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 51]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 51]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 68]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 68]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 80]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 69]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 80]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 77]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 69]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 77]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 80]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 70]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 77]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 70]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 70]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 70]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 71]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 71]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 71]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 71]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 71]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 89]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 90]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 91]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 92]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 93]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 116]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 93]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 94]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 116]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 94]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 99]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 100]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 102]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 102]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 103]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 103]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 104]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 104]: there are no data races For all program executions holds that there are no data races at this location - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 5 procedures, 688 locations, 96 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 0.0s, RemoveRedundantFlowTime: 0.0s, RemoveRedundantFlowUnfoldingTime: 0.0s, BackfoldingTime: 0.0s, BackfoldingUnfoldingTime: 0.0s, FlowIncreaseByBackfolding: 0, BasicCegarLoop: OverallTime: 33.3s, OverallIterations: 35, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 24.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.2s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 4561 SdHoareTripleChecker+Valid, 7.6s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 2685 mSDsluCounter, 4084 SdHoareTripleChecker+Invalid, 6.4s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 3329 mSDsCounter, 1060 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 7698 IncrementalHoareTripleChecker+Invalid, 8758 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 1060 mSolverCounterUnsat, 755 mSDtfsCounter, 7698 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 150 GetRequests, 50 SyntacticMatches, 0 SemanticMatches, 100 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 76 ImplicationChecksByTransitivity, 0.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1311occurred in iteration=31, InterpolantAutomatonStates: 158, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.2s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 7.2s InterpolantComputationTime, 4794 NumberOfCodeBlocks, 4794 NumberOfCodeBlocksAsserted, 35 NumberOfCheckSat, 4759 ConstructedInterpolants, 0 QuantifiedInterpolants, 6278 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 35 InterpolantComputations, 35 PerfectInterpolantSequences, 14/14 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 56 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2023-11-23 22:40:37,714 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b882ff97-f855-4a96-8c4a-0fd3540dc259/bin/uautomizer-verify-zZY32mL2XJ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE