./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 0e0057cc Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de1c23f9-7e94-45ca-962e-77285cc971d9/bin/uautomizer-verify-BQ2R08f2Ya/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de1c23f9-7e94-45ca-962e-77285cc971d9/bin/uautomizer-verify-BQ2R08f2Ya/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de1c23f9-7e94-45ca-962e-77285cc971d9/bin/uautomizer-verify-BQ2R08f2Ya/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de1c23f9-7e94-45ca-962e-77285cc971d9/bin/uautomizer-verify-BQ2R08f2Ya/config/AutomizerReach.xml -i ../../sv-benchmarks/c/weaver/chl-word-symm.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de1c23f9-7e94-45ca-962e-77285cc971d9/bin/uautomizer-verify-BQ2R08f2Ya/config/svcomp-DataRace-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de1c23f9-7e94-45ca-962e-77285cc971d9/bin/uautomizer-verify-BQ2R08f2Ya --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 0.2.4-dev-0e0057c [2023-11-28 20:35:58,889 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-28 20:35:58,964 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de1c23f9-7e94-45ca-962e-77285cc971d9/bin/uautomizer-verify-BQ2R08f2Ya/config/svcomp-DataRace-32bit-Automizer_Default.epf [2023-11-28 20:35:58,968 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-28 20:35:58,968 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-28 20:35:58,992 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-28 20:35:58,993 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-28 20:35:58,993 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-28 20:35:58,994 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-28 20:35:58,995 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-28 20:35:58,995 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-28 20:35:58,996 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-28 20:35:58,997 INFO L153 SettingsManager]: * Use SBE=true [2023-11-28 20:35:58,997 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-28 20:35:58,998 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-28 20:35:58,998 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-28 20:35:58,999 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-28 20:35:58,999 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-28 20:35:59,000 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-28 20:35:59,000 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-28 20:35:59,001 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-28 20:35:59,002 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-28 20:35:59,002 INFO L153 SettingsManager]: * Check absence of data races in concurrent programs=true [2023-11-28 20:35:59,002 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-28 20:35:59,003 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-28 20:35:59,003 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-28 20:35:59,004 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-28 20:35:59,004 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-28 20:35:59,005 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-28 20:35:59,005 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-28 20:35:59,006 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-28 20:35:59,006 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-28 20:35:59,006 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-28 20:35:59,007 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-28 20:35:59,007 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-28 20:35:59,007 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-28 20:35:59,007 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-28 20:35:59,007 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-28 20:35:59,008 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-28 20:35:59,008 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-28 20:35:59,008 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-28 20:35:59,008 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_de1c23f9-7e94-45ca-962e-77285cc971d9/bin/uautomizer-verify-BQ2R08f2Ya/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de1c23f9-7e94-45ca-962e-77285cc971d9/bin/uautomizer-verify-BQ2R08f2Ya Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> bf81f7b3bd1ceac2bf46c7c37f69effc0af9de17b18c7565156301fb49a6164e [2023-11-28 20:35:59,203 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-28 20:35:59,225 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-28 20:35:59,227 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-28 20:35:59,228 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-28 20:35:59,229 INFO L274 PluginConnector]: CDTParser initialized [2023-11-28 20:35:59,230 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de1c23f9-7e94-45ca-962e-77285cc971d9/bin/uautomizer-verify-BQ2R08f2Ya/../../sv-benchmarks/c/weaver/chl-word-symm.wvr.c [2023-11-28 20:36:01,874 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-28 20:36:02,082 INFO L384 CDTParser]: Found 1 translation units. [2023-11-28 20:36:02,082 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de1c23f9-7e94-45ca-962e-77285cc971d9/sv-benchmarks/c/weaver/chl-word-symm.wvr.c [2023-11-28 20:36:02,091 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de1c23f9-7e94-45ca-962e-77285cc971d9/bin/uautomizer-verify-BQ2R08f2Ya/data/1a6d2e66b/5ebbe1cec9e8405cb07be32d9f1a030f/FLAG70d84913f [2023-11-28 20:36:02,105 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de1c23f9-7e94-45ca-962e-77285cc971d9/bin/uautomizer-verify-BQ2R08f2Ya/data/1a6d2e66b/5ebbe1cec9e8405cb07be32d9f1a030f [2023-11-28 20:36:02,107 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-28 20:36:02,108 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-28 20:36:02,110 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-28 20:36:02,110 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-28 20:36:02,115 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-28 20:36:02,115 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 08:36:02" (1/1) ... [2023-11-28 20:36:02,116 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@42d6cfeb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 08:36:02, skipping insertion in model container [2023-11-28 20:36:02,116 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 08:36:02" (1/1) ... [2023-11-28 20:36:02,142 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-28 20:36:02,334 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-28 20:36:02,344 INFO L202 MainTranslator]: Completed pre-run [2023-11-28 20:36:02,381 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-28 20:36:02,397 INFO L206 MainTranslator]: Completed translation [2023-11-28 20:36:02,398 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 08:36:02 WrapperNode [2023-11-28 20:36:02,398 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-28 20:36:02,399 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-28 20:36:02,399 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-28 20:36:02,399 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-28 20:36:02,406 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 08:36:02" (1/1) ... [2023-11-28 20:36:02,418 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 08:36:02" (1/1) ... [2023-11-28 20:36:02,445 INFO L138 Inliner]: procedures = 24, calls = 36, calls flagged for inlining = 10, calls inlined = 12, statements flattened = 213 [2023-11-28 20:36:02,446 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-28 20:36:02,446 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-28 20:36:02,447 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-28 20:36:02,447 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-28 20:36:02,456 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 08:36:02" (1/1) ... [2023-11-28 20:36:02,456 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 08:36:02" (1/1) ... [2023-11-28 20:36:02,462 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 08:36:02" (1/1) ... [2023-11-28 20:36:02,462 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 08:36:02" (1/1) ... [2023-11-28 20:36:02,480 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 08:36:02" (1/1) ... [2023-11-28 20:36:02,485 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 08:36:02" (1/1) ... [2023-11-28 20:36:02,488 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 08:36:02" (1/1) ... [2023-11-28 20:36:02,490 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 08:36:02" (1/1) ... [2023-11-28 20:36:02,495 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-28 20:36:02,496 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-28 20:36:02,496 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-28 20:36:02,496 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-28 20:36:02,497 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 08:36:02" (1/1) ... [2023-11-28 20:36:02,503 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-28 20:36:02,514 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de1c23f9-7e94-45ca-962e-77285cc971d9/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-28 20:36:02,526 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de1c23f9-7e94-45ca-962e-77285cc971d9/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2023-11-28 20:36:02,534 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de1c23f9-7e94-45ca-962e-77285cc971d9/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2023-11-28 20:36:02,561 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-28 20:36:02,561 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2023-11-28 20:36:02,561 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2023-11-28 20:36:02,561 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2023-11-28 20:36:02,561 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2023-11-28 20:36:02,562 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-28 20:36:02,562 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-28 20:36:02,562 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-28 20:36:02,562 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-28 20:36:02,562 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-28 20:36:02,562 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-28 20:36:02,562 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-28 20:36:02,562 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-28 20:36:02,564 WARN L213 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-11-28 20:36:02,667 INFO L241 CfgBuilder]: Building ICFG [2023-11-28 20:36:02,669 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-28 20:36:03,237 INFO L282 CfgBuilder]: Performing block encoding [2023-11-28 20:36:03,283 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-28 20:36:03,283 INFO L309 CfgBuilder]: Removed 4 assume(true) statements. [2023-11-28 20:36:03,285 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 08:36:03 BoogieIcfgContainer [2023-11-28 20:36:03,285 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-28 20:36:03,288 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-28 20:36:03,288 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-28 20:36:03,291 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-28 20:36:03,292 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.11 08:36:02" (1/3) ... [2023-11-28 20:36:03,292 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@45c9949c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 08:36:03, skipping insertion in model container [2023-11-28 20:36:03,292 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 08:36:02" (2/3) ... [2023-11-28 20:36:03,293 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@45c9949c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 08:36:03, skipping insertion in model container [2023-11-28 20:36:03,293 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 08:36:03" (3/3) ... [2023-11-28 20:36:03,294 INFO L112 eAbstractionObserver]: Analyzing ICFG chl-word-symm.wvr.c [2023-11-28 20:36:03,302 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2023-11-28 20:36:03,311 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-28 20:36:03,311 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 56 error locations. [2023-11-28 20:36:03,312 INFO L514 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-11-28 20:36:03,431 INFO L144 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2023-11-28 20:36:03,476 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 476 places, 495 transitions, 1004 flow [2023-11-28 20:36:03,643 INFO L124 PetriNetUnfolderBase]: 26/493 cut-off events. [2023-11-28 20:36:03,643 INFO L125 PetriNetUnfolderBase]: For 2/2 co-relation queries the response was YES. [2023-11-28 20:36:03,653 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. [2023-11-28 20:36:03,654 INFO L82 GeneralOperation]: Start removeDead. Operand has 476 places, 495 transitions, 1004 flow [2023-11-28 20:36:03,665 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 452 places, 469 transitions, 950 flow [2023-11-28 20:36:03,675 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-28 20:36:03,682 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;@2c7112d4, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-28 20:36:03,683 INFO L358 AbstractCegarLoop]: Starting to check reachability of 96 error locations. [2023-11-28 20:36:03,688 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2023-11-28 20:36:03,688 INFO L124 PetriNetUnfolderBase]: 0/23 cut-off events. [2023-11-28 20:36:03,688 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2023-11-28 20:36:03,688 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-28 20:36:03,689 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] [2023-11-28 20:36:03,689 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)] === [2023-11-28 20:36:03,694 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-28 20:36:03,695 INFO L85 PathProgramCache]: Analyzing trace with hash 1853403827, now seen corresponding path program 1 times [2023-11-28 20:36:03,704 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-28 20:36:03,705 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [521950812] [2023-11-28 20:36:03,705 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-28 20:36:03,706 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-28 20:36:03,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-28 20:36:03,911 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-28 20:36:03,911 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-28 20:36:03,912 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [521950812] [2023-11-28 20:36:03,912 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [521950812] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-28 20:36:03,912 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-28 20:36:03,912 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-28 20:36:03,914 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1889248909] [2023-11-28 20:36:03,914 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-28 20:36:03,921 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-28 20:36:03,927 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-28 20:36:03,950 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-28 20:36:03,950 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-28 20:36:03,995 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 468 out of 495 [2023-11-28 20:36:04,003 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) [2023-11-28 20:36:04,004 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-28 20:36:04,004 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 468 of 495 [2023-11-28 20:36:04,005 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-28 20:36:04,272 INFO L124 PetriNetUnfolderBase]: 37/814 cut-off events. [2023-11-28 20:36:04,272 INFO L125 PetriNetUnfolderBase]: For 16/16 co-relation queries the response was YES. [2023-11-28 20:36:04,279 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. [2023-11-28 20:36:04,285 INFO L140 encePairwiseOnDemand]: 482/495 looper letters, 11 selfloop transitions, 2 changer transitions 6/458 dead transitions. [2023-11-28 20:36:04,285 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 453 places, 458 transitions, 954 flow [2023-11-28 20:36:04,287 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-28 20:36:04,289 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-28 20:36:04,301 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1428 transitions. [2023-11-28 20:36:04,305 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.9616161616161616 [2023-11-28 20:36:04,306 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1428 transitions. [2023-11-28 20:36:04,306 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1428 transitions. [2023-11-28 20:36:04,310 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-28 20:36:04,312 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1428 transitions. [2023-11-28 20:36:04,319 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) [2023-11-28 20:36:04,328 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) [2023-11-28 20:36:04,330 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) [2023-11-28 20:36:04,332 INFO L175 Difference]: Start difference. First operand has 452 places, 469 transitions, 950 flow. Second operand 3 states and 1428 transitions. [2023-11-28 20:36:04,333 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 453 places, 458 transitions, 954 flow [2023-11-28 20:36:04,341 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 449 places, 458 transitions, 946 flow, removed 0 selfloop flow, removed 4 redundant places. [2023-11-28 20:36:04,351 INFO L231 Difference]: Finished difference. Result has 449 places, 452 transitions, 912 flow [2023-11-28 20:36:04,354 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} [2023-11-28 20:36:04,357 INFO L281 CegarLoopForPetriNet]: 452 programPoint places, -3 predicate places. [2023-11-28 20:36:04,357 INFO L495 AbstractCegarLoop]: Abstraction has has 449 places, 452 transitions, 912 flow [2023-11-28 20:36:04,359 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) [2023-11-28 20:36:04,359 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-28 20:36:04,359 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] [2023-11-28 20:36:04,359 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-28 20:36:04,360 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)] === [2023-11-28 20:36:04,360 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-28 20:36:04,361 INFO L85 PathProgramCache]: Analyzing trace with hash -1114717556, now seen corresponding path program 1 times [2023-11-28 20:36:04,361 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-28 20:36:04,361 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1514064649] [2023-11-28 20:36:04,361 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-28 20:36:04,361 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-28 20:36:04,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-28 20:36:04,421 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-28 20:36:04,422 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-28 20:36:04,422 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1514064649] [2023-11-28 20:36:04,422 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1514064649] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-28 20:36:04,422 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-28 20:36:04,422 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-28 20:36:04,423 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1483093858] [2023-11-28 20:36:04,423 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-28 20:36:04,424 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-28 20:36:04,424 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-28 20:36:04,425 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-28 20:36:04,425 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-28 20:36:04,453 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 468 out of 495 [2023-11-28 20:36:04,456 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) [2023-11-28 20:36:04,456 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-28 20:36:04,456 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 468 of 495 [2023-11-28 20:36:04,456 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-28 20:36:04,625 INFO L124 PetriNetUnfolderBase]: 37/798 cut-off events. [2023-11-28 20:36:04,625 INFO L125 PetriNetUnfolderBase]: For 4/4 co-relation queries the response was YES. [2023-11-28 20:36:04,631 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. [2023-11-28 20:36:04,637 INFO L140 encePairwiseOnDemand]: 492/495 looper letters, 11 selfloop transitions, 2 changer transitions 0/451 dead transitions. [2023-11-28 20:36:04,637 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 444 places, 451 transitions, 936 flow [2023-11-28 20:36:04,637 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-28 20:36:04,638 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-28 20:36:04,641 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1418 transitions. [2023-11-28 20:36:04,642 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.9548821548821549 [2023-11-28 20:36:04,642 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1418 transitions. [2023-11-28 20:36:04,642 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1418 transitions. [2023-11-28 20:36:04,643 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-28 20:36:04,644 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1418 transitions. [2023-11-28 20:36:04,648 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) [2023-11-28 20:36:04,652 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) [2023-11-28 20:36:04,654 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) [2023-11-28 20:36:04,654 INFO L175 Difference]: Start difference. First operand has 449 places, 452 transitions, 912 flow. Second operand 3 states and 1418 transitions. [2023-11-28 20:36:04,654 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 444 places, 451 transitions, 936 flow [2023-11-28 20:36:04,658 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 442 places, 451 transitions, 932 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-11-28 20:36:04,666 INFO L231 Difference]: Finished difference. Result has 442 places, 451 transitions, 910 flow [2023-11-28 20:36:04,667 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} [2023-11-28 20:36:04,668 INFO L281 CegarLoopForPetriNet]: 452 programPoint places, -10 predicate places. [2023-11-28 20:36:04,668 INFO L495 AbstractCegarLoop]: Abstraction has has 442 places, 451 transitions, 910 flow [2023-11-28 20:36:04,669 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) [2023-11-28 20:36:04,669 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-28 20:36:04,670 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] [2023-11-28 20:36:04,670 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-11-28 20:36:04,670 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)] === [2023-11-28 20:36:04,671 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-28 20:36:04,671 INFO L85 PathProgramCache]: Analyzing trace with hash -1995982717, now seen corresponding path program 1 times [2023-11-28 20:36:04,671 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-28 20:36:04,671 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1408844532] [2023-11-28 20:36:04,671 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-28 20:36:04,672 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-28 20:36:04,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-28 20:36:04,723 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-28 20:36:04,723 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-28 20:36:04,723 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1408844532] [2023-11-28 20:36:04,724 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1408844532] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-28 20:36:04,724 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-28 20:36:04,724 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-28 20:36:04,724 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1560914407] [2023-11-28 20:36:04,724 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-28 20:36:04,725 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-28 20:36:04,725 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-28 20:36:04,726 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-28 20:36:04,726 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-28 20:36:04,763 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 467 out of 495 [2023-11-28 20:36:04,766 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) [2023-11-28 20:36:04,766 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-28 20:36:04,766 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 467 of 495 [2023-11-28 20:36:04,766 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-28 20:36:04,922 INFO L124 PetriNetUnfolderBase]: 32/720 cut-off events. [2023-11-28 20:36:04,922 INFO L125 PetriNetUnfolderBase]: For 4/4 co-relation queries the response was YES. [2023-11-28 20:36:04,925 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. [2023-11-28 20:36:04,929 INFO L140 encePairwiseOnDemand]: 492/495 looper letters, 12 selfloop transitions, 2 changer transitions 0/450 dead transitions. [2023-11-28 20:36:04,929 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 443 places, 450 transitions, 936 flow [2023-11-28 20:36:04,929 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-28 20:36:04,930 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-28 20:36:04,932 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1416 transitions. [2023-11-28 20:36:04,933 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.9535353535353536 [2023-11-28 20:36:04,933 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1416 transitions. [2023-11-28 20:36:04,933 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1416 transitions. [2023-11-28 20:36:04,934 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-28 20:36:04,934 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1416 transitions. [2023-11-28 20:36:04,937 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) [2023-11-28 20:36:04,940 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) [2023-11-28 20:36:04,942 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) [2023-11-28 20:36:04,942 INFO L175 Difference]: Start difference. First operand has 442 places, 451 transitions, 910 flow. Second operand 3 states and 1416 transitions. [2023-11-28 20:36:04,942 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 443 places, 450 transitions, 936 flow [2023-11-28 20:36:04,944 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 441 places, 450 transitions, 932 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-11-28 20:36:04,949 INFO L231 Difference]: Finished difference. Result has 441 places, 450 transitions, 908 flow [2023-11-28 20:36:04,950 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} [2023-11-28 20:36:04,950 INFO L281 CegarLoopForPetriNet]: 452 programPoint places, -11 predicate places. [2023-11-28 20:36:04,951 INFO L495 AbstractCegarLoop]: Abstraction has has 441 places, 450 transitions, 908 flow [2023-11-28 20:36:04,952 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) [2023-11-28 20:36:04,952 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-28 20:36:04,952 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] [2023-11-28 20:36:04,952 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-11-28 20:36:04,952 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)] === [2023-11-28 20:36:04,953 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-28 20:36:04,953 INFO L85 PathProgramCache]: Analyzing trace with hash -1190209823, now seen corresponding path program 1 times [2023-11-28 20:36:04,953 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-28 20:36:04,953 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [460888786] [2023-11-28 20:36:04,954 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-28 20:36:04,954 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-28 20:36:04,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-28 20:36:05,003 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-28 20:36:05,003 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-28 20:36:05,004 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [460888786] [2023-11-28 20:36:05,004 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [460888786] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-28 20:36:05,004 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-28 20:36:05,004 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-28 20:36:05,005 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [439469121] [2023-11-28 20:36:05,005 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-28 20:36:05,005 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-28 20:36:05,005 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-28 20:36:05,006 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-28 20:36:05,006 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-28 20:36:05,037 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 467 out of 495 [2023-11-28 20:36:05,039 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) [2023-11-28 20:36:05,040 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-28 20:36:05,040 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 467 of 495 [2023-11-28 20:36:05,040 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-28 20:36:05,184 INFO L124 PetriNetUnfolderBase]: 36/791 cut-off events. [2023-11-28 20:36:05,184 INFO L125 PetriNetUnfolderBase]: For 4/5 co-relation queries the response was YES. [2023-11-28 20:36:05,189 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. [2023-11-28 20:36:05,195 INFO L140 encePairwiseOnDemand]: 492/495 looper letters, 12 selfloop transitions, 2 changer transitions 0/449 dead transitions. [2023-11-28 20:36:05,195 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 442 places, 449 transitions, 934 flow [2023-11-28 20:36:05,195 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-28 20:36:05,196 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-28 20:36:05,199 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1416 transitions. [2023-11-28 20:36:05,200 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.9535353535353536 [2023-11-28 20:36:05,200 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1416 transitions. [2023-11-28 20:36:05,201 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1416 transitions. [2023-11-28 20:36:05,202 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-28 20:36:05,202 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1416 transitions. [2023-11-28 20:36:05,206 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) [2023-11-28 20:36:05,210 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) [2023-11-28 20:36:05,212 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) [2023-11-28 20:36:05,212 INFO L175 Difference]: Start difference. First operand has 441 places, 450 transitions, 908 flow. Second operand 3 states and 1416 transitions. [2023-11-28 20:36:05,212 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 442 places, 449 transitions, 934 flow [2023-11-28 20:36:05,216 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 440 places, 449 transitions, 930 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-11-28 20:36:05,223 INFO L231 Difference]: Finished difference. Result has 440 places, 449 transitions, 906 flow [2023-11-28 20:36:05,224 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} [2023-11-28 20:36:05,224 INFO L281 CegarLoopForPetriNet]: 452 programPoint places, -12 predicate places. [2023-11-28 20:36:05,225 INFO L495 AbstractCegarLoop]: Abstraction has has 440 places, 449 transitions, 906 flow [2023-11-28 20:36:05,226 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) [2023-11-28 20:36:05,226 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-28 20:36:05,226 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] [2023-11-28 20:36:05,226 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-11-28 20:36:05,227 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)] === [2023-11-28 20:36:05,227 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-28 20:36:05,227 INFO L85 PathProgramCache]: Analyzing trace with hash 1474171749, now seen corresponding path program 1 times [2023-11-28 20:36:05,227 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-28 20:36:05,228 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [616790564] [2023-11-28 20:36:05,228 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-28 20:36:05,228 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-28 20:36:05,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-28 20:36:05,271 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-28 20:36:05,272 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-28 20:36:05,272 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [616790564] [2023-11-28 20:36:05,272 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [616790564] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-28 20:36:05,272 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-28 20:36:05,272 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-28 20:36:05,273 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [595259969] [2023-11-28 20:36:05,273 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-28 20:36:05,273 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-28 20:36:05,273 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-28 20:36:05,274 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-28 20:36:05,274 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-28 20:36:05,297 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 463 out of 495 [2023-11-28 20:36:05,300 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) [2023-11-28 20:36:05,300 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-28 20:36:05,300 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 463 of 495 [2023-11-28 20:36:05,300 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-28 20:36:05,524 INFO L124 PetriNetUnfolderBase]: 83/1223 cut-off events. [2023-11-28 20:36:05,524 INFO L125 PetriNetUnfolderBase]: For 12/13 co-relation queries the response was YES. [2023-11-28 20:36:05,534 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. [2023-11-28 20:36:05,542 INFO L140 encePairwiseOnDemand]: 489/495 looper letters, 14 selfloop transitions, 1 changer transitions 0/444 dead transitions. [2023-11-28 20:36:05,542 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 437 places, 444 transitions, 926 flow [2023-11-28 20:36:05,543 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-28 20:36:05,543 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-28 20:36:05,546 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1409 transitions. [2023-11-28 20:36:05,547 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.9488215488215488 [2023-11-28 20:36:05,548 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1409 transitions. [2023-11-28 20:36:05,548 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1409 transitions. [2023-11-28 20:36:05,549 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-28 20:36:05,549 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1409 transitions. [2023-11-28 20:36:05,553 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) [2023-11-28 20:36:05,557 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) [2023-11-28 20:36:05,559 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) [2023-11-28 20:36:05,559 INFO L175 Difference]: Start difference. First operand has 440 places, 449 transitions, 906 flow. Second operand 3 states and 1409 transitions. [2023-11-28 20:36:05,559 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 437 places, 444 transitions, 926 flow [2023-11-28 20:36:05,563 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 435 places, 444 transitions, 922 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-11-28 20:36:05,570 INFO L231 Difference]: Finished difference. Result has 435 places, 444 transitions, 894 flow [2023-11-28 20:36:05,571 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} [2023-11-28 20:36:05,571 INFO L281 CegarLoopForPetriNet]: 452 programPoint places, -17 predicate places. [2023-11-28 20:36:05,572 INFO L495 AbstractCegarLoop]: Abstraction has has 435 places, 444 transitions, 894 flow [2023-11-28 20:36:05,573 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) [2023-11-28 20:36:05,573 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-28 20:36:05,573 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] [2023-11-28 20:36:05,573 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2023-11-28 20:36:05,573 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)] === [2023-11-28 20:36:05,574 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-28 20:36:05,574 INFO L85 PathProgramCache]: Analyzing trace with hash 847181566, now seen corresponding path program 1 times [2023-11-28 20:36:05,574 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-28 20:36:05,574 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1942845123] [2023-11-28 20:36:05,574 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-28 20:36:05,575 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-28 20:36:05,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-28 20:36:06,254 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-28 20:36:06,255 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-28 20:36:06,255 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1942845123] [2023-11-28 20:36:06,255 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1942845123] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-28 20:36:06,255 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-28 20:36:06,255 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-28 20:36:06,255 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1791081557] [2023-11-28 20:36:06,256 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-28 20:36:06,256 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-28 20:36:06,256 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-28 20:36:06,257 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-28 20:36:06,257 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-11-28 20:36:06,592 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 411 out of 495 [2023-11-28 20:36:06,602 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) [2023-11-28 20:36:06,602 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-28 20:36:06,602 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 411 of 495 [2023-11-28 20:36:06,602 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-28 20:36:08,607 INFO L124 PetriNetUnfolderBase]: 3068/12604 cut-off events. [2023-11-28 20:36:08,607 INFO L125 PetriNetUnfolderBase]: For 48/56 co-relation queries the response was YES. [2023-11-28 20:36:08,643 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. [2023-11-28 20:36:08,694 INFO L140 encePairwiseOnDemand]: 483/495 looper letters, 60 selfloop transitions, 10 changer transitions 0/442 dead transitions. [2023-11-28 20:36:08,694 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 438 places, 442 transitions, 1030 flow [2023-11-28 20:36:08,695 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-28 20:36:08,695 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-11-28 20:36:08,700 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 2538 transitions. [2023-11-28 20:36:08,701 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.8545454545454545 [2023-11-28 20:36:08,701 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 2538 transitions. [2023-11-28 20:36:08,701 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 2538 transitions. [2023-11-28 20:36:08,703 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-28 20:36:08,703 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 2538 transitions. [2023-11-28 20:36:08,708 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) [2023-11-28 20:36:08,714 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) [2023-11-28 20:36:08,715 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) [2023-11-28 20:36:08,715 INFO L175 Difference]: Start difference. First operand has 435 places, 444 transitions, 894 flow. Second operand 6 states and 2538 transitions. [2023-11-28 20:36:08,716 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 438 places, 442 transitions, 1030 flow [2023-11-28 20:36:08,718 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 437 places, 442 transitions, 1029 flow, removed 0 selfloop flow, removed 1 redundant places. [2023-11-28 20:36:08,723 INFO L231 Difference]: Finished difference. Result has 437 places, 442 transitions, 909 flow [2023-11-28 20:36:08,724 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} [2023-11-28 20:36:08,724 INFO L281 CegarLoopForPetriNet]: 452 programPoint places, -15 predicate places. [2023-11-28 20:36:08,725 INFO L495 AbstractCegarLoop]: Abstraction has has 437 places, 442 transitions, 909 flow [2023-11-28 20:36:08,726 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) [2023-11-28 20:36:08,726 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-28 20:36:08,726 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] [2023-11-28 20:36:08,726 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2023-11-28 20:36:08,726 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)] === [2023-11-28 20:36:08,727 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-28 20:36:08,727 INFO L85 PathProgramCache]: Analyzing trace with hash -2027688426, now seen corresponding path program 1 times [2023-11-28 20:36:08,727 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-28 20:36:08,727 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [871954527] [2023-11-28 20:36:08,727 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-28 20:36:08,727 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-28 20:36:08,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-28 20:36:08,767 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-28 20:36:08,768 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-28 20:36:08,768 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [871954527] [2023-11-28 20:36:08,768 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [871954527] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-28 20:36:08,768 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-28 20:36:08,768 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-28 20:36:08,768 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [352473976] [2023-11-28 20:36:08,768 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-28 20:36:08,769 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-28 20:36:08,769 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-28 20:36:08,770 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-28 20:36:08,770 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-28 20:36:08,796 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 468 out of 495 [2023-11-28 20:36:08,798 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) [2023-11-28 20:36:08,798 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-28 20:36:08,798 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 468 of 495 [2023-11-28 20:36:08,798 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-28 20:36:08,943 INFO L124 PetriNetUnfolderBase]: 32/707 cut-off events. [2023-11-28 20:36:08,943 INFO L125 PetriNetUnfolderBase]: For 4/5 co-relation queries the response was YES. [2023-11-28 20:36:08,947 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. [2023-11-28 20:36:08,951 INFO L140 encePairwiseOnDemand]: 492/495 looper letters, 11 selfloop transitions, 2 changer transitions 0/441 dead transitions. [2023-11-28 20:36:08,952 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 438 places, 441 transitions, 933 flow [2023-11-28 20:36:08,952 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-28 20:36:08,952 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-28 20:36:08,956 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1418 transitions. [2023-11-28 20:36:08,957 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.9548821548821549 [2023-11-28 20:36:08,958 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1418 transitions. [2023-11-28 20:36:08,958 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1418 transitions. [2023-11-28 20:36:08,959 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-28 20:36:08,959 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1418 transitions. [2023-11-28 20:36:08,964 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) [2023-11-28 20:36:08,968 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) [2023-11-28 20:36:08,969 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) [2023-11-28 20:36:08,970 INFO L175 Difference]: Start difference. First operand has 437 places, 442 transitions, 909 flow. Second operand 3 states and 1418 transitions. [2023-11-28 20:36:08,970 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 438 places, 441 transitions, 933 flow [2023-11-28 20:36:08,974 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 433 places, 441 transitions, 913 flow, removed 0 selfloop flow, removed 5 redundant places. [2023-11-28 20:36:08,982 INFO L231 Difference]: Finished difference. Result has 433 places, 441 transitions, 891 flow [2023-11-28 20:36:08,983 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} [2023-11-28 20:36:08,984 INFO L281 CegarLoopForPetriNet]: 452 programPoint places, -19 predicate places. [2023-11-28 20:36:08,984 INFO L495 AbstractCegarLoop]: Abstraction has has 433 places, 441 transitions, 891 flow [2023-11-28 20:36:08,985 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) [2023-11-28 20:36:08,985 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-28 20:36:08,986 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] [2023-11-28 20:36:08,986 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2023-11-28 20:36:08,986 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)] === [2023-11-28 20:36:08,987 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-28 20:36:08,987 INFO L85 PathProgramCache]: Analyzing trace with hash 1508614875, now seen corresponding path program 1 times [2023-11-28 20:36:08,987 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-28 20:36:08,987 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [571812878] [2023-11-28 20:36:08,988 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-28 20:36:08,988 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-28 20:36:09,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-28 20:36:09,034 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-28 20:36:09,034 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-28 20:36:09,035 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [571812878] [2023-11-28 20:36:09,035 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [571812878] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-28 20:36:09,035 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-28 20:36:09,035 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-28 20:36:09,036 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [77030040] [2023-11-28 20:36:09,036 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-28 20:36:09,036 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-28 20:36:09,037 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-28 20:36:09,037 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-28 20:36:09,038 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-28 20:36:09,060 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 463 out of 495 [2023-11-28 20:36:09,063 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) [2023-11-28 20:36:09,063 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-28 20:36:09,063 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 463 of 495 [2023-11-28 20:36:09,063 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-28 20:36:09,295 INFO L124 PetriNetUnfolderBase]: 80/1080 cut-off events. [2023-11-28 20:36:09,295 INFO L125 PetriNetUnfolderBase]: For 14/15 co-relation queries the response was YES. [2023-11-28 20:36:09,302 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. [2023-11-28 20:36:09,308 INFO L140 encePairwiseOnDemand]: 489/495 looper letters, 14 selfloop transitions, 1 changer transitions 0/436 dead transitions. [2023-11-28 20:36:09,308 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 430 places, 436 transitions, 911 flow [2023-11-28 20:36:09,309 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-28 20:36:09,309 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-28 20:36:09,312 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1409 transitions. [2023-11-28 20:36:09,313 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.9488215488215488 [2023-11-28 20:36:09,314 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1409 transitions. [2023-11-28 20:36:09,314 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1409 transitions. [2023-11-28 20:36:09,315 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-28 20:36:09,315 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1409 transitions. [2023-11-28 20:36:09,320 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) [2023-11-28 20:36:09,323 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) [2023-11-28 20:36:09,324 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) [2023-11-28 20:36:09,324 INFO L175 Difference]: Start difference. First operand has 433 places, 441 transitions, 891 flow. Second operand 3 states and 1409 transitions. [2023-11-28 20:36:09,324 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 430 places, 436 transitions, 911 flow [2023-11-28 20:36:09,328 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 428 places, 436 transitions, 907 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-11-28 20:36:09,335 INFO L231 Difference]: Finished difference. Result has 428 places, 436 transitions, 879 flow [2023-11-28 20:36:09,336 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} [2023-11-28 20:36:09,337 INFO L281 CegarLoopForPetriNet]: 452 programPoint places, -24 predicate places. [2023-11-28 20:36:09,337 INFO L495 AbstractCegarLoop]: Abstraction has has 428 places, 436 transitions, 879 flow [2023-11-28 20:36:09,338 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) [2023-11-28 20:36:09,338 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-28 20:36:09,338 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] [2023-11-28 20:36:09,338 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2023-11-28 20:36:09,339 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)] === [2023-11-28 20:36:09,339 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-28 20:36:09,339 INFO L85 PathProgramCache]: Analyzing trace with hash -1441639092, now seen corresponding path program 1 times [2023-11-28 20:36:09,339 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-28 20:36:09,339 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [922782247] [2023-11-28 20:36:09,339 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-28 20:36:09,340 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-28 20:36:09,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-28 20:36:09,398 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-28 20:36:09,398 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-28 20:36:09,399 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [922782247] [2023-11-28 20:36:09,399 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [922782247] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-28 20:36:09,399 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-28 20:36:09,399 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-28 20:36:09,399 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1931996447] [2023-11-28 20:36:09,399 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-28 20:36:09,400 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-28 20:36:09,400 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-28 20:36:09,401 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-28 20:36:09,401 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-28 20:36:09,424 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 468 out of 495 [2023-11-28 20:36:09,426 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) [2023-11-28 20:36:09,426 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-28 20:36:09,427 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 468 of 495 [2023-11-28 20:36:09,427 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-28 20:36:09,565 INFO L124 PetriNetUnfolderBase]: 32/697 cut-off events. [2023-11-28 20:36:09,565 INFO L125 PetriNetUnfolderBase]: For 4/5 co-relation queries the response was YES. [2023-11-28 20:36:09,569 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. [2023-11-28 20:36:09,572 INFO L140 encePairwiseOnDemand]: 492/495 looper letters, 11 selfloop transitions, 2 changer transitions 0/435 dead transitions. [2023-11-28 20:36:09,572 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 429 places, 435 transitions, 903 flow [2023-11-28 20:36:09,573 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-28 20:36:09,573 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-28 20:36:09,577 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1418 transitions. [2023-11-28 20:36:09,578 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.9548821548821549 [2023-11-28 20:36:09,578 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1418 transitions. [2023-11-28 20:36:09,578 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1418 transitions. [2023-11-28 20:36:09,579 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-28 20:36:09,579 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1418 transitions. [2023-11-28 20:36:09,583 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) [2023-11-28 20:36:09,587 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) [2023-11-28 20:36:09,588 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) [2023-11-28 20:36:09,588 INFO L175 Difference]: Start difference. First operand has 428 places, 436 transitions, 879 flow. Second operand 3 states and 1418 transitions. [2023-11-28 20:36:09,588 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 429 places, 435 transitions, 903 flow [2023-11-28 20:36:09,592 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 428 places, 435 transitions, 902 flow, removed 0 selfloop flow, removed 1 redundant places. [2023-11-28 20:36:09,599 INFO L231 Difference]: Finished difference. Result has 428 places, 435 transitions, 880 flow [2023-11-28 20:36:09,600 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} [2023-11-28 20:36:09,601 INFO L281 CegarLoopForPetriNet]: 452 programPoint places, -24 predicate places. [2023-11-28 20:36:09,601 INFO L495 AbstractCegarLoop]: Abstraction has has 428 places, 435 transitions, 880 flow [2023-11-28 20:36:09,601 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) [2023-11-28 20:36:09,601 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-28 20:36:09,602 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] [2023-11-28 20:36:09,602 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2023-11-28 20:36:09,602 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting thread1Err0ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err16ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE (and 92 more)] === [2023-11-28 20:36:09,602 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-28 20:36:09,603 INFO L85 PathProgramCache]: Analyzing trace with hash 1041724651, now seen corresponding path program 1 times [2023-11-28 20:36:09,603 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-28 20:36:09,603 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [73848624] [2023-11-28 20:36:09,603 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-28 20:36:09,603 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-28 20:36:09,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-28 20:36:09,662 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-28 20:36:09,662 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-28 20:36:09,662 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [73848624] [2023-11-28 20:36:09,662 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [73848624] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-28 20:36:09,662 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-28 20:36:09,663 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-28 20:36:09,663 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1640242521] [2023-11-28 20:36:09,663 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-28 20:36:09,663 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-28 20:36:09,664 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-28 20:36:09,664 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-28 20:36:09,664 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-28 20:36:09,681 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 466 out of 495 [2023-11-28 20:36:09,683 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) [2023-11-28 20:36:09,684 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-28 20:36:09,684 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 466 of 495 [2023-11-28 20:36:09,684 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-28 20:36:09,866 INFO L124 PetriNetUnfolderBase]: 73/1172 cut-off events. [2023-11-28 20:36:09,866 INFO L125 PetriNetUnfolderBase]: For 6/6 co-relation queries the response was YES. [2023-11-28 20:36:09,872 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. [2023-11-28 20:36:09,876 INFO L140 encePairwiseOnDemand]: 489/495 looper letters, 14 selfloop transitions, 2 changer transitions 0/434 dead transitions. [2023-11-28 20:36:09,876 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 426 places, 434 transitions, 911 flow [2023-11-28 20:36:09,876 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-28 20:36:09,876 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-28 20:36:09,880 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1418 transitions. [2023-11-28 20:36:09,881 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.9548821548821549 [2023-11-28 20:36:09,881 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1418 transitions. [2023-11-28 20:36:09,881 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1418 transitions. [2023-11-28 20:36:09,882 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-28 20:36:09,882 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1418 transitions. [2023-11-28 20:36:09,885 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) [2023-11-28 20:36:09,888 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) [2023-11-28 20:36:09,889 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) [2023-11-28 20:36:09,889 INFO L175 Difference]: Start difference. First operand has 428 places, 435 transitions, 880 flow. Second operand 3 states and 1418 transitions. [2023-11-28 20:36:09,889 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 426 places, 434 transitions, 911 flow [2023-11-28 20:36:09,892 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 424 places, 434 transitions, 907 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-11-28 20:36:09,898 INFO L231 Difference]: Finished difference. Result has 425 places, 433 transitions, 882 flow [2023-11-28 20:36:09,899 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} [2023-11-28 20:36:09,900 INFO L281 CegarLoopForPetriNet]: 452 programPoint places, -27 predicate places. [2023-11-28 20:36:09,900 INFO L495 AbstractCegarLoop]: Abstraction has has 425 places, 433 transitions, 882 flow [2023-11-28 20:36:09,901 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) [2023-11-28 20:36:09,901 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-28 20:36:09,901 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] [2023-11-28 20:36:09,901 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2023-11-28 20:36:09,901 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting thread1Err1ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err16ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE (and 92 more)] === [2023-11-28 20:36:09,901 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-28 20:36:09,902 INFO L85 PathProgramCache]: Analyzing trace with hash 370045869, now seen corresponding path program 1 times [2023-11-28 20:36:09,902 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-28 20:36:09,902 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [955552344] [2023-11-28 20:36:09,902 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-28 20:36:09,902 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-28 20:36:09,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-28 20:36:09,953 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-28 20:36:09,954 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-28 20:36:09,954 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [955552344] [2023-11-28 20:36:09,954 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [955552344] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-28 20:36:09,954 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-28 20:36:09,954 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-28 20:36:09,954 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2113275951] [2023-11-28 20:36:09,955 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-28 20:36:09,955 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-28 20:36:09,955 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-28 20:36:09,956 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-28 20:36:09,956 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-28 20:36:09,972 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 466 out of 495 [2023-11-28 20:36:09,974 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) [2023-11-28 20:36:09,974 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-28 20:36:09,974 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 466 of 495 [2023-11-28 20:36:09,974 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-28 20:36:10,136 INFO L124 PetriNetUnfolderBase]: 70/1123 cut-off events. [2023-11-28 20:36:10,136 INFO L125 PetriNetUnfolderBase]: For 7/7 co-relation queries the response was YES. [2023-11-28 20:36:10,141 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. [2023-11-28 20:36:10,145 INFO L140 encePairwiseOnDemand]: 489/495 looper letters, 14 selfloop transitions, 2 changer transitions 0/432 dead transitions. [2023-11-28 20:36:10,145 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 423 places, 432 transitions, 913 flow [2023-11-28 20:36:10,146 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-28 20:36:10,146 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-28 20:36:10,149 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1418 transitions. [2023-11-28 20:36:10,150 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.9548821548821549 [2023-11-28 20:36:10,150 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1418 transitions. [2023-11-28 20:36:10,150 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1418 transitions. [2023-11-28 20:36:10,151 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-28 20:36:10,151 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1418 transitions. [2023-11-28 20:36:10,154 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) [2023-11-28 20:36:10,157 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) [2023-11-28 20:36:10,158 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) [2023-11-28 20:36:10,158 INFO L175 Difference]: Start difference. First operand has 425 places, 433 transitions, 882 flow. Second operand 3 states and 1418 transitions. [2023-11-28 20:36:10,158 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 423 places, 432 transitions, 913 flow [2023-11-28 20:36:10,161 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 423 places, 432 transitions, 913 flow, removed 0 selfloop flow, removed 0 redundant places. [2023-11-28 20:36:10,167 INFO L231 Difference]: Finished difference. Result has 424 places, 431 transitions, 888 flow [2023-11-28 20:36:10,168 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} [2023-11-28 20:36:10,169 INFO L281 CegarLoopForPetriNet]: 452 programPoint places, -28 predicate places. [2023-11-28 20:36:10,169 INFO L495 AbstractCegarLoop]: Abstraction has has 424 places, 431 transitions, 888 flow [2023-11-28 20:36:10,170 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) [2023-11-28 20:36:10,170 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-28 20:36:10,170 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] [2023-11-28 20:36:10,170 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2023-11-28 20:36:10,170 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)] === [2023-11-28 20:36:10,170 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-28 20:36:10,170 INFO L85 PathProgramCache]: Analyzing trace with hash -454966718, now seen corresponding path program 1 times [2023-11-28 20:36:10,171 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-28 20:36:10,171 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1575128979] [2023-11-28 20:36:10,171 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-28 20:36:10,171 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-28 20:36:10,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-28 20:36:10,762 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-28 20:36:10,763 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-28 20:36:10,763 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1575128979] [2023-11-28 20:36:10,763 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1575128979] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-28 20:36:10,763 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-28 20:36:10,763 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-28 20:36:10,764 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [605110522] [2023-11-28 20:36:10,764 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-28 20:36:10,764 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-28 20:36:10,765 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-28 20:36:10,765 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-28 20:36:10,765 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-11-28 20:36:11,409 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 461 out of 495 [2023-11-28 20:36:11,413 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) [2023-11-28 20:36:11,413 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-28 20:36:11,413 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 461 of 495 [2023-11-28 20:36:11,413 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-28 20:36:11,544 INFO L124 PetriNetUnfolderBase]: 26/630 cut-off events. [2023-11-28 20:36:11,544 INFO L125 PetriNetUnfolderBase]: For 2/8 co-relation queries the response was YES. [2023-11-28 20:36:11,548 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. [2023-11-28 20:36:11,550 INFO L140 encePairwiseOnDemand]: 490/495 looper letters, 15 selfloop transitions, 4 changer transitions 0/430 dead transitions. [2023-11-28 20:36:11,550 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 428 places, 430 transitions, 924 flow [2023-11-28 20:36:11,551 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-28 20:36:11,551 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-11-28 20:36:11,556 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 2786 transitions. [2023-11-28 20:36:11,558 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.938047138047138 [2023-11-28 20:36:11,558 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 2786 transitions. [2023-11-28 20:36:11,558 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 2786 transitions. [2023-11-28 20:36:11,560 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-28 20:36:11,560 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 2786 transitions. [2023-11-28 20:36:11,567 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) [2023-11-28 20:36:11,573 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) [2023-11-28 20:36:11,574 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) [2023-11-28 20:36:11,574 INFO L175 Difference]: Start difference. First operand has 424 places, 431 transitions, 888 flow. Second operand 6 states and 2786 transitions. [2023-11-28 20:36:11,574 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 428 places, 430 transitions, 924 flow [2023-11-28 20:36:11,577 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 428 places, 430 transitions, 924 flow, removed 0 selfloop flow, removed 0 redundant places. [2023-11-28 20:36:11,583 INFO L231 Difference]: Finished difference. Result has 428 places, 430 transitions, 894 flow [2023-11-28 20:36:11,584 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} [2023-11-28 20:36:11,585 INFO L281 CegarLoopForPetriNet]: 452 programPoint places, -24 predicate places. [2023-11-28 20:36:11,585 INFO L495 AbstractCegarLoop]: Abstraction has has 428 places, 430 transitions, 894 flow [2023-11-28 20:36:11,586 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) [2023-11-28 20:36:11,586 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-28 20:36:11,586 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] [2023-11-28 20:36:11,586 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2023-11-28 20:36:11,586 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting thread1Err18ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err16ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE (and 92 more)] === [2023-11-28 20:36:11,586 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-28 20:36:11,587 INFO L85 PathProgramCache]: Analyzing trace with hash -2082258855, now seen corresponding path program 1 times [2023-11-28 20:36:11,587 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-28 20:36:11,587 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1700901275] [2023-11-28 20:36:11,587 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-28 20:36:11,587 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-28 20:36:11,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-28 20:36:11,638 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-28 20:36:11,638 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-28 20:36:11,638 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1700901275] [2023-11-28 20:36:11,639 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1700901275] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-28 20:36:11,639 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-28 20:36:11,639 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-28 20:36:11,639 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1046222879] [2023-11-28 20:36:11,639 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-28 20:36:11,639 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-28 20:36:11,640 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-28 20:36:11,640 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-28 20:36:11,640 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-28 20:36:11,663 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 469 out of 495 [2023-11-28 20:36:11,665 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) [2023-11-28 20:36:11,665 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-28 20:36:11,665 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 469 of 495 [2023-11-28 20:36:11,665 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-28 20:36:11,813 INFO L124 PetriNetUnfolderBase]: 47/979 cut-off events. [2023-11-28 20:36:11,813 INFO L125 PetriNetUnfolderBase]: For 2/5 co-relation queries the response was YES. [2023-11-28 20:36:11,819 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. [2023-11-28 20:36:11,822 INFO L140 encePairwiseOnDemand]: 492/495 looper letters, 12 selfloop transitions, 2 changer transitions 0/430 dead transitions. [2023-11-28 20:36:11,823 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 429 places, 430 transitions, 923 flow [2023-11-28 20:36:11,823 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-28 20:36:11,823 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-28 20:36:11,826 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1422 transitions. [2023-11-28 20:36:11,827 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.9575757575757575 [2023-11-28 20:36:11,827 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1422 transitions. [2023-11-28 20:36:11,827 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1422 transitions. [2023-11-28 20:36:11,829 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-28 20:36:11,829 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1422 transitions. [2023-11-28 20:36:11,832 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) [2023-11-28 20:36:11,835 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) [2023-11-28 20:36:11,836 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) [2023-11-28 20:36:11,836 INFO L175 Difference]: Start difference. First operand has 428 places, 430 transitions, 894 flow. Second operand 3 states and 1422 transitions. [2023-11-28 20:36:11,836 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 429 places, 430 transitions, 923 flow [2023-11-28 20:36:11,840 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 425 places, 430 transitions, 916 flow, removed 0 selfloop flow, removed 4 redundant places. [2023-11-28 20:36:11,846 INFO L231 Difference]: Finished difference. Result has 425 places, 429 transitions, 889 flow [2023-11-28 20:36:11,847 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} [2023-11-28 20:36:11,848 INFO L281 CegarLoopForPetriNet]: 452 programPoint places, -27 predicate places. [2023-11-28 20:36:11,848 INFO L495 AbstractCegarLoop]: Abstraction has has 425 places, 429 transitions, 889 flow [2023-11-28 20:36:11,848 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) [2023-11-28 20:36:11,848 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-28 20:36:11,849 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] [2023-11-28 20:36:11,849 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2023-11-28 20:36:11,849 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting thread1Err4ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err16ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE (and 92 more)] === [2023-11-28 20:36:11,849 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-28 20:36:11,849 INFO L85 PathProgramCache]: Analyzing trace with hash 1742084389, now seen corresponding path program 1 times [2023-11-28 20:36:11,849 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-28 20:36:11,850 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1130966873] [2023-11-28 20:36:11,850 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-28 20:36:11,850 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-28 20:36:11,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-28 20:36:11,895 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-28 20:36:11,896 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-28 20:36:11,896 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1130966873] [2023-11-28 20:36:11,896 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1130966873] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-28 20:36:11,896 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-28 20:36:11,896 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-28 20:36:11,896 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1317780668] [2023-11-28 20:36:11,896 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-28 20:36:11,897 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-28 20:36:11,897 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-28 20:36:11,897 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-28 20:36:11,898 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-28 20:36:11,908 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 471 out of 495 [2023-11-28 20:36:11,909 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) [2023-11-28 20:36:11,909 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-28 20:36:11,909 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 471 of 495 [2023-11-28 20:36:11,910 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-28 20:36:12,037 INFO L124 PetriNetUnfolderBase]: 44/838 cut-off events. [2023-11-28 20:36:12,037 INFO L125 PetriNetUnfolderBase]: For 3/11 co-relation queries the response was YES. [2023-11-28 20:36:12,042 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. [2023-11-28 20:36:12,045 INFO L140 encePairwiseOnDemand]: 491/495 looper letters, 11 selfloop transitions, 3 changer transitions 0/431 dead transitions. [2023-11-28 20:36:12,045 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 427 places, 431 transitions, 922 flow [2023-11-28 20:36:12,045 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-28 20:36:12,045 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-28 20:36:12,048 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1428 transitions. [2023-11-28 20:36:12,049 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.9616161616161616 [2023-11-28 20:36:12,049 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1428 transitions. [2023-11-28 20:36:12,049 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1428 transitions. [2023-11-28 20:36:12,050 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-28 20:36:12,050 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1428 transitions. [2023-11-28 20:36:12,054 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) [2023-11-28 20:36:12,057 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) [2023-11-28 20:36:12,057 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) [2023-11-28 20:36:12,057 INFO L175 Difference]: Start difference. First operand has 425 places, 429 transitions, 889 flow. Second operand 3 states and 1428 transitions. [2023-11-28 20:36:12,058 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 427 places, 431 transitions, 922 flow [2023-11-28 20:36:12,061 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 425 places, 431 transitions, 918 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-11-28 20:36:12,067 INFO L231 Difference]: Finished difference. Result has 427 places, 430 transitions, 903 flow [2023-11-28 20:36:12,068 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} [2023-11-28 20:36:12,068 INFO L281 CegarLoopForPetriNet]: 452 programPoint places, -25 predicate places. [2023-11-28 20:36:12,068 INFO L495 AbstractCegarLoop]: Abstraction has has 427 places, 430 transitions, 903 flow [2023-11-28 20:36:12,069 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) [2023-11-28 20:36:12,069 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-28 20:36:12,069 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] [2023-11-28 20:36:12,069 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2023-11-28 20:36:12,069 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting thread1Err4ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err16ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE (and 92 more)] === [2023-11-28 20:36:12,070 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-28 20:36:12,070 INFO L85 PathProgramCache]: Analyzing trace with hash -1229121056, now seen corresponding path program 1 times [2023-11-28 20:36:12,070 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-28 20:36:12,070 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1618413926] [2023-11-28 20:36:12,070 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-28 20:36:12,070 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-28 20:36:12,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-28 20:36:12,115 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-28 20:36:12,115 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-28 20:36:12,115 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1618413926] [2023-11-28 20:36:12,115 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1618413926] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-28 20:36:12,115 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-28 20:36:12,116 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-28 20:36:12,116 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [363979665] [2023-11-28 20:36:12,116 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-28 20:36:12,116 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-28 20:36:12,117 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-28 20:36:12,117 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-28 20:36:12,117 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-28 20:36:12,133 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 466 out of 495 [2023-11-28 20:36:12,134 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) [2023-11-28 20:36:12,134 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-28 20:36:12,134 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 466 of 495 [2023-11-28 20:36:12,135 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-28 20:36:12,388 INFO L124 PetriNetUnfolderBase]: 100/1473 cut-off events. [2023-11-28 20:36:12,389 INFO L125 PetriNetUnfolderBase]: For 24/25 co-relation queries the response was YES. [2023-11-28 20:36:12,398 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. [2023-11-28 20:36:12,403 INFO L140 encePairwiseOnDemand]: 489/495 looper letters, 16 selfloop transitions, 2 changer transitions 0/431 dead transitions. [2023-11-28 20:36:12,403 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 425 places, 431 transitions, 944 flow [2023-11-28 20:36:12,403 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-28 20:36:12,403 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-28 20:36:12,406 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1420 transitions. [2023-11-28 20:36:12,407 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.9562289562289562 [2023-11-28 20:36:12,407 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1420 transitions. [2023-11-28 20:36:12,408 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1420 transitions. [2023-11-28 20:36:12,409 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-28 20:36:12,409 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1420 transitions. [2023-11-28 20:36:12,412 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) [2023-11-28 20:36:12,415 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) [2023-11-28 20:36:12,416 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) [2023-11-28 20:36:12,416 INFO L175 Difference]: Start difference. First operand has 427 places, 430 transitions, 903 flow. Second operand 3 states and 1420 transitions. [2023-11-28 20:36:12,416 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 425 places, 431 transitions, 944 flow [2023-11-28 20:36:12,420 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 423 places, 431 transitions, 938 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-11-28 20:36:12,426 INFO L231 Difference]: Finished difference. Result has 424 places, 428 transitions, 903 flow [2023-11-28 20:36:12,427 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} [2023-11-28 20:36:12,428 INFO L281 CegarLoopForPetriNet]: 452 programPoint places, -28 predicate places. [2023-11-28 20:36:12,428 INFO L495 AbstractCegarLoop]: Abstraction has has 424 places, 428 transitions, 903 flow [2023-11-28 20:36:12,429 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) [2023-11-28 20:36:12,429 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-28 20:36:12,429 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] [2023-11-28 20:36:12,429 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2023-11-28 20:36:12,429 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting thread2Err18ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err16ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE (and 92 more)] === [2023-11-28 20:36:12,429 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-28 20:36:12,430 INFO L85 PathProgramCache]: Analyzing trace with hash -757436681, now seen corresponding path program 1 times [2023-11-28 20:36:12,430 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-28 20:36:12,430 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1916935483] [2023-11-28 20:36:12,430 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-28 20:36:12,430 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-28 20:36:12,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-28 20:36:12,476 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-28 20:36:12,476 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-28 20:36:12,476 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1916935483] [2023-11-28 20:36:12,477 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1916935483] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-28 20:36:12,477 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-28 20:36:12,477 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-28 20:36:12,477 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [806604540] [2023-11-28 20:36:12,477 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-28 20:36:12,478 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-28 20:36:12,478 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-28 20:36:12,478 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-28 20:36:12,479 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-28 20:36:12,502 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 469 out of 495 [2023-11-28 20:36:12,504 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) [2023-11-28 20:36:12,504 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-28 20:36:12,504 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 469 of 495 [2023-11-28 20:36:12,504 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-28 20:36:12,661 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)]) [2023-11-28 20:36:12,662 INFO L294 olderBase$Statistics]: this new event has 209 ancestors and is not cut-off event [2023-11-28 20:36:12,662 INFO L297 olderBase$Statistics]: existing Event has 240 ancestors and is not cut-off event [2023-11-28 20:36:12,662 INFO L297 olderBase$Statistics]: existing Event has 212 ancestors and is not cut-off event [2023-11-28 20:36:12,662 INFO L297 olderBase$Statistics]: existing Event has 212 ancestors and is not cut-off event [2023-11-28 20:36:12,670 INFO L124 PetriNetUnfolderBase]: 61/966 cut-off events. [2023-11-28 20:36:12,670 INFO L125 PetriNetUnfolderBase]: For 20/26 co-relation queries the response was YES. [2023-11-28 20:36:12,677 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. [2023-11-28 20:36:12,681 INFO L140 encePairwiseOnDemand]: 492/495 looper letters, 12 selfloop transitions, 2 changer transitions 0/428 dead transitions. [2023-11-28 20:36:12,681 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 425 places, 428 transitions, 932 flow [2023-11-28 20:36:12,681 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-28 20:36:12,681 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-28 20:36:12,684 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1422 transitions. [2023-11-28 20:36:12,685 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.9575757575757575 [2023-11-28 20:36:12,686 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1422 transitions. [2023-11-28 20:36:12,686 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1422 transitions. [2023-11-28 20:36:12,687 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-28 20:36:12,687 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1422 transitions. [2023-11-28 20:36:12,690 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) [2023-11-28 20:36:12,693 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) [2023-11-28 20:36:12,694 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) [2023-11-28 20:36:12,694 INFO L175 Difference]: Start difference. First operand has 424 places, 428 transitions, 903 flow. Second operand 3 states and 1422 transitions. [2023-11-28 20:36:12,694 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 425 places, 428 transitions, 932 flow [2023-11-28 20:36:12,698 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 425 places, 428 transitions, 932 flow, removed 0 selfloop flow, removed 0 redundant places. [2023-11-28 20:36:12,735 INFO L231 Difference]: Finished difference. Result has 425 places, 427 transitions, 905 flow [2023-11-28 20:36:12,736 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} [2023-11-28 20:36:12,736 INFO L281 CegarLoopForPetriNet]: 452 programPoint places, -27 predicate places. [2023-11-28 20:36:12,737 INFO L495 AbstractCegarLoop]: Abstraction has has 425 places, 427 transitions, 905 flow [2023-11-28 20:36:12,737 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) [2023-11-28 20:36:12,737 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-28 20:36:12,737 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] [2023-11-28 20:36:12,738 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2023-11-28 20:36:12,738 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting thread2Err4ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err16ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE (and 92 more)] === [2023-11-28 20:36:12,738 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-28 20:36:12,738 INFO L85 PathProgramCache]: Analyzing trace with hash -138101064, now seen corresponding path program 1 times [2023-11-28 20:36:12,738 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-28 20:36:12,738 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [539034775] [2023-11-28 20:36:12,738 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-28 20:36:12,739 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-28 20:36:12,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-28 20:36:12,782 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-28 20:36:12,782 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-28 20:36:12,783 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [539034775] [2023-11-28 20:36:12,783 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [539034775] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-28 20:36:12,783 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-28 20:36:12,783 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-28 20:36:12,783 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [995602482] [2023-11-28 20:36:12,783 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-28 20:36:12,784 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-28 20:36:12,784 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-28 20:36:12,785 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-28 20:36:12,785 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-28 20:36:12,792 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 471 out of 495 [2023-11-28 20:36:12,794 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) [2023-11-28 20:36:12,794 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-28 20:36:12,794 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 471 of 495 [2023-11-28 20:36:12,794 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-28 20:36:12,959 INFO L124 PetriNetUnfolderBase]: 81/1061 cut-off events. [2023-11-28 20:36:12,959 INFO L125 PetriNetUnfolderBase]: For 36/38 co-relation queries the response was YES. [2023-11-28 20:36:12,964 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. [2023-11-28 20:36:12,966 INFO L140 encePairwiseOnDemand]: 491/495 looper letters, 11 selfloop transitions, 3 changer transitions 0/429 dead transitions. [2023-11-28 20:36:12,966 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 427 places, 429 transitions, 938 flow [2023-11-28 20:36:12,966 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-28 20:36:12,966 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-28 20:36:12,969 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1428 transitions. [2023-11-28 20:36:12,970 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.9616161616161616 [2023-11-28 20:36:12,970 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1428 transitions. [2023-11-28 20:36:12,970 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1428 transitions. [2023-11-28 20:36:12,971 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-28 20:36:12,972 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1428 transitions. [2023-11-28 20:36:12,975 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) [2023-11-28 20:36:12,978 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) [2023-11-28 20:36:12,979 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) [2023-11-28 20:36:12,979 INFO L175 Difference]: Start difference. First operand has 425 places, 427 transitions, 905 flow. Second operand 3 states and 1428 transitions. [2023-11-28 20:36:12,979 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 427 places, 429 transitions, 938 flow [2023-11-28 20:36:12,983 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 425 places, 429 transitions, 934 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-11-28 20:36:12,987 INFO L231 Difference]: Finished difference. Result has 427 places, 428 transitions, 919 flow [2023-11-28 20:36:12,988 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} [2023-11-28 20:36:12,988 INFO L281 CegarLoopForPetriNet]: 452 programPoint places, -25 predicate places. [2023-11-28 20:36:12,988 INFO L495 AbstractCegarLoop]: Abstraction has has 427 places, 428 transitions, 919 flow [2023-11-28 20:36:12,989 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) [2023-11-28 20:36:12,989 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-28 20:36:12,989 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] [2023-11-28 20:36:12,989 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2023-11-28 20:36:12,990 INFO L420 AbstractCegarLoop]: === Iteration 18 === Targeting thread1Err15ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err16ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE (and 92 more)] === [2023-11-28 20:36:12,990 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-28 20:36:12,990 INFO L85 PathProgramCache]: Analyzing trace with hash -524879720, now seen corresponding path program 1 times [2023-11-28 20:36:12,990 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-28 20:36:12,990 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2020231923] [2023-11-28 20:36:12,990 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-28 20:36:12,990 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-28 20:36:13,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-28 20:36:13,035 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-28 20:36:13,035 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-28 20:36:13,035 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2020231923] [2023-11-28 20:36:13,035 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2020231923] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-28 20:36:13,035 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-28 20:36:13,036 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-28 20:36:13,036 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [558922978] [2023-11-28 20:36:13,036 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-28 20:36:13,036 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-28 20:36:13,037 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-28 20:36:13,037 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-28 20:36:13,037 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-28 20:36:13,064 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 469 out of 495 [2023-11-28 20:36:13,066 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) [2023-11-28 20:36:13,066 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-28 20:36:13,066 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 469 of 495 [2023-11-28 20:36:13,066 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-28 20:36:13,247 INFO L124 PetriNetUnfolderBase]: 75/1365 cut-off events. [2023-11-28 20:36:13,247 INFO L125 PetriNetUnfolderBase]: For 32/41 co-relation queries the response was YES. [2023-11-28 20:36:13,252 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. [2023-11-28 20:36:13,255 INFO L140 encePairwiseOnDemand]: 492/495 looper letters, 12 selfloop transitions, 2 changer transitions 0/428 dead transitions. [2023-11-28 20:36:13,255 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 428 places, 428 transitions, 948 flow [2023-11-28 20:36:13,256 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-28 20:36:13,256 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-28 20:36:13,258 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1422 transitions. [2023-11-28 20:36:13,258 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.9575757575757575 [2023-11-28 20:36:13,259 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1422 transitions. [2023-11-28 20:36:13,259 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1422 transitions. [2023-11-28 20:36:13,259 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-28 20:36:13,260 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1422 transitions. [2023-11-28 20:36:13,262 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) [2023-11-28 20:36:13,264 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) [2023-11-28 20:36:13,265 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) [2023-11-28 20:36:13,265 INFO L175 Difference]: Start difference. First operand has 427 places, 428 transitions, 919 flow. Second operand 3 states and 1422 transitions. [2023-11-28 20:36:13,265 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 428 places, 428 transitions, 948 flow [2023-11-28 20:36:13,268 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 426 places, 428 transitions, 942 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-11-28 20:36:13,272 INFO L231 Difference]: Finished difference. Result has 426 places, 427 transitions, 915 flow [2023-11-28 20:36:13,272 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} [2023-11-28 20:36:13,273 INFO L281 CegarLoopForPetriNet]: 452 programPoint places, -26 predicate places. [2023-11-28 20:36:13,273 INFO L495 AbstractCegarLoop]: Abstraction has has 426 places, 427 transitions, 915 flow [2023-11-28 20:36:13,273 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) [2023-11-28 20:36:13,273 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-28 20:36:13,273 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] [2023-11-28 20:36:13,273 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2023-11-28 20:36:13,274 INFO L420 AbstractCegarLoop]: === Iteration 19 === Targeting thread2Err4ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err16ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE (and 92 more)] === [2023-11-28 20:36:13,274 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-28 20:36:13,274 INFO L85 PathProgramCache]: Analyzing trace with hash 1129635262, now seen corresponding path program 1 times [2023-11-28 20:36:13,274 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-28 20:36:13,274 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [707116419] [2023-11-28 20:36:13,274 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-28 20:36:13,274 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-28 20:36:13,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-28 20:36:13,319 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-28 20:36:13,319 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-28 20:36:13,319 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [707116419] [2023-11-28 20:36:13,319 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [707116419] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-28 20:36:13,319 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-28 20:36:13,319 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-28 20:36:13,320 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1307345972] [2023-11-28 20:36:13,320 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-28 20:36:13,320 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-28 20:36:13,320 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-28 20:36:13,321 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-28 20:36:13,321 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-28 20:36:13,337 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 466 out of 495 [2023-11-28 20:36:13,338 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) [2023-11-28 20:36:13,338 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-28 20:36:13,338 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 466 of 495 [2023-11-28 20:36:13,338 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-28 20:36:13,527 INFO L124 PetriNetUnfolderBase]: 106/1533 cut-off events. [2023-11-28 20:36:13,527 INFO L125 PetriNetUnfolderBase]: For 16/17 co-relation queries the response was YES. [2023-11-28 20:36:13,533 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. [2023-11-28 20:36:13,537 INFO L140 encePairwiseOnDemand]: 489/495 looper letters, 16 selfloop transitions, 2 changer transitions 0/428 dead transitions. [2023-11-28 20:36:13,537 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 424 places, 428 transitions, 956 flow [2023-11-28 20:36:13,537 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-28 20:36:13,538 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-28 20:36:13,541 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1420 transitions. [2023-11-28 20:36:13,541 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.9562289562289562 [2023-11-28 20:36:13,542 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1420 transitions. [2023-11-28 20:36:13,542 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1420 transitions. [2023-11-28 20:36:13,542 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-28 20:36:13,543 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1420 transitions. [2023-11-28 20:36:13,545 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) [2023-11-28 20:36:13,547 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) [2023-11-28 20:36:13,547 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) [2023-11-28 20:36:13,548 INFO L175 Difference]: Start difference. First operand has 426 places, 427 transitions, 915 flow. Second operand 3 states and 1420 transitions. [2023-11-28 20:36:13,548 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 424 places, 428 transitions, 956 flow [2023-11-28 20:36:13,551 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 422 places, 428 transitions, 952 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-11-28 20:36:13,555 INFO L231 Difference]: Finished difference. Result has 423 places, 425 transitions, 917 flow [2023-11-28 20:36:13,555 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} [2023-11-28 20:36:13,556 INFO L281 CegarLoopForPetriNet]: 452 programPoint places, -29 predicate places. [2023-11-28 20:36:13,556 INFO L495 AbstractCegarLoop]: Abstraction has has 423 places, 425 transitions, 917 flow [2023-11-28 20:36:13,556 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) [2023-11-28 20:36:13,556 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-28 20:36:13,556 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] [2023-11-28 20:36:13,557 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2023-11-28 20:36:13,557 INFO L420 AbstractCegarLoop]: === Iteration 20 === Targeting thread1Err5ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err16ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE (and 92 more)] === [2023-11-28 20:36:13,557 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-28 20:36:13,557 INFO L85 PathProgramCache]: Analyzing trace with hash -590265114, now seen corresponding path program 1 times [2023-11-28 20:36:13,557 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-28 20:36:13,557 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1952829809] [2023-11-28 20:36:13,557 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-28 20:36:13,558 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-28 20:36:13,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-28 20:36:13,704 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-28 20:36:13,704 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-28 20:36:13,704 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1952829809] [2023-11-28 20:36:13,704 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1952829809] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-28 20:36:13,704 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-28 20:36:13,704 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2023-11-28 20:36:13,704 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1898873899] [2023-11-28 20:36:13,705 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-28 20:36:13,705 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-11-28 20:36:13,705 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-28 20:36:13,706 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-11-28 20:36:13,706 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2023-11-28 20:36:14,168 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 448 out of 495 [2023-11-28 20:36:14,173 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) [2023-11-28 20:36:14,173 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-28 20:36:14,173 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 448 of 495 [2023-11-28 20:36:14,173 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-28 20:36:14,736 INFO L124 PetriNetUnfolderBase]: 132/2198 cut-off events. [2023-11-28 20:36:14,736 INFO L125 PetriNetUnfolderBase]: For 13/30 co-relation queries the response was YES. [2023-11-28 20:36:14,751 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. [2023-11-28 20:36:14,757 INFO L140 encePairwiseOnDemand]: 480/495 looper letters, 46 selfloop transitions, 16 changer transitions 0/451 dead transitions. [2023-11-28 20:36:14,758 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 433 places, 451 transitions, 1105 flow [2023-11-28 20:36:14,758 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2023-11-28 20:36:14,758 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2023-11-28 20:36:14,767 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 4990 transitions. [2023-11-28 20:36:14,769 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.9164370982552801 [2023-11-28 20:36:14,769 INFO L72 ComplementDD]: Start complementDD. Operand 11 states and 4990 transitions. [2023-11-28 20:36:14,769 INFO L73 IsDeterministic]: Start isDeterministic. Operand 11 states and 4990 transitions. [2023-11-28 20:36:14,773 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-28 20:36:14,773 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 11 states and 4990 transitions. [2023-11-28 20:36:14,785 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) [2023-11-28 20:36:14,796 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) [2023-11-28 20:36:14,797 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) [2023-11-28 20:36:14,797 INFO L175 Difference]: Start difference. First operand has 423 places, 425 transitions, 917 flow. Second operand 11 states and 4990 transitions. [2023-11-28 20:36:14,797 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 433 places, 451 transitions, 1105 flow [2023-11-28 20:36:14,802 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 433 places, 451 transitions, 1105 flow, removed 0 selfloop flow, removed 0 redundant places. [2023-11-28 20:36:14,810 INFO L231 Difference]: Finished difference. Result has 438 places, 434 transitions, 1001 flow [2023-11-28 20:36:14,811 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} [2023-11-28 20:36:14,812 INFO L281 CegarLoopForPetriNet]: 452 programPoint places, -14 predicate places. [2023-11-28 20:36:14,812 INFO L495 AbstractCegarLoop]: Abstraction has has 438 places, 434 transitions, 1001 flow [2023-11-28 20:36:14,812 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) [2023-11-28 20:36:14,813 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-28 20:36:14,813 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] [2023-11-28 20:36:14,813 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2023-11-28 20:36:14,813 INFO L420 AbstractCegarLoop]: === Iteration 21 === Targeting thread2Err15ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err16ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE (and 92 more)] === [2023-11-28 20:36:14,813 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-28 20:36:14,814 INFO L85 PathProgramCache]: Analyzing trace with hash -591240277, now seen corresponding path program 1 times [2023-11-28 20:36:14,814 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-28 20:36:14,814 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2064059072] [2023-11-28 20:36:14,814 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-28 20:36:14,814 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-28 20:36:14,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-28 20:36:14,870 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-28 20:36:14,871 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-28 20:36:14,871 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2064059072] [2023-11-28 20:36:14,871 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2064059072] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-28 20:36:14,871 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-28 20:36:14,871 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-28 20:36:14,872 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [270047534] [2023-11-28 20:36:14,872 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-28 20:36:14,872 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-28 20:36:14,873 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-28 20:36:14,873 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-28 20:36:14,873 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-28 20:36:14,897 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 469 out of 495 [2023-11-28 20:36:14,899 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) [2023-11-28 20:36:14,899 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-28 20:36:14,899 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 469 of 495 [2023-11-28 20:36:14,899 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-28 20:36:15,207 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)]) [2023-11-28 20:36:15,207 INFO L294 olderBase$Statistics]: this new event has 258 ancestors and is cut-off event [2023-11-28 20:36:15,207 INFO L297 olderBase$Statistics]: existing Event has 227 ancestors and is cut-off event [2023-11-28 20:36:15,208 INFO L297 olderBase$Statistics]: existing Event has 227 ancestors and is cut-off event [2023-11-28 20:36:15,208 INFO L297 olderBase$Statistics]: existing Event has 227 ancestors and is cut-off event [2023-11-28 20:36:15,213 INFO L124 PetriNetUnfolderBase]: 114/1756 cut-off events. [2023-11-28 20:36:15,213 INFO L125 PetriNetUnfolderBase]: For 44/58 co-relation queries the response was YES. [2023-11-28 20:36:15,221 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. [2023-11-28 20:36:15,225 INFO L140 encePairwiseOnDemand]: 492/495 looper letters, 12 selfloop transitions, 2 changer transitions 0/434 dead transitions. [2023-11-28 20:36:15,225 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 439 places, 434 transitions, 1030 flow [2023-11-28 20:36:15,226 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-28 20:36:15,226 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-28 20:36:15,228 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1422 transitions. [2023-11-28 20:36:15,229 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.9575757575757575 [2023-11-28 20:36:15,229 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1422 transitions. [2023-11-28 20:36:15,229 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1422 transitions. [2023-11-28 20:36:15,229 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-28 20:36:15,229 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1422 transitions. [2023-11-28 20:36:15,232 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) [2023-11-28 20:36:15,235 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) [2023-11-28 20:36:15,235 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) [2023-11-28 20:36:15,235 INFO L175 Difference]: Start difference. First operand has 438 places, 434 transitions, 1001 flow. Second operand 3 states and 1422 transitions. [2023-11-28 20:36:15,235 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 439 places, 434 transitions, 1030 flow [2023-11-28 20:36:15,241 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 438 places, 434 transitions, 1026 flow, removed 0 selfloop flow, removed 1 redundant places. [2023-11-28 20:36:15,248 INFO L231 Difference]: Finished difference. Result has 438 places, 433 transitions, 999 flow [2023-11-28 20:36:15,249 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} [2023-11-28 20:36:15,249 INFO L281 CegarLoopForPetriNet]: 452 programPoint places, -14 predicate places. [2023-11-28 20:36:15,249 INFO L495 AbstractCegarLoop]: Abstraction has has 438 places, 433 transitions, 999 flow [2023-11-28 20:36:15,250 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) [2023-11-28 20:36:15,250 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-28 20:36:15,250 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] [2023-11-28 20:36:15,250 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2023-11-28 20:36:15,250 INFO L420 AbstractCegarLoop]: === Iteration 22 === Targeting thread2Err5ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err16ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE (and 92 more)] === [2023-11-28 20:36:15,251 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-28 20:36:15,251 INFO L85 PathProgramCache]: Analyzing trace with hash 1647525028, now seen corresponding path program 1 times [2023-11-28 20:36:15,251 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-28 20:36:15,251 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1190896816] [2023-11-28 20:36:15,251 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-28 20:36:15,251 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-28 20:36:15,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-28 20:36:15,470 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-28 20:36:15,470 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-28 20:36:15,470 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1190896816] [2023-11-28 20:36:15,471 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1190896816] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-28 20:36:15,471 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-28 20:36:15,471 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2023-11-28 20:36:15,471 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [303721910] [2023-11-28 20:36:15,471 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-28 20:36:15,472 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-11-28 20:36:15,472 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-28 20:36:15,472 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-11-28 20:36:15,473 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2023-11-28 20:36:15,996 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 448 out of 495 [2023-11-28 20:36:15,999 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) [2023-11-28 20:36:15,999 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-28 20:36:15,999 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 448 of 495 [2023-11-28 20:36:16,000 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-28 20:36:16,406 INFO L124 PetriNetUnfolderBase]: 123/1473 cut-off events. [2023-11-28 20:36:16,407 INFO L125 PetriNetUnfolderBase]: For 68/71 co-relation queries the response was YES. [2023-11-28 20:36:16,413 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. [2023-11-28 20:36:16,416 INFO L140 encePairwiseOnDemand]: 479/495 looper letters, 48 selfloop transitions, 17 changer transitions 0/457 dead transitions. [2023-11-28 20:36:16,416 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 448 places, 457 transitions, 1191 flow [2023-11-28 20:36:16,417 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2023-11-28 20:36:16,417 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2023-11-28 20:36:16,426 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 4992 transitions. [2023-11-28 20:36:16,428 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.9168044077134986 [2023-11-28 20:36:16,428 INFO L72 ComplementDD]: Start complementDD. Operand 11 states and 4992 transitions. [2023-11-28 20:36:16,429 INFO L73 IsDeterministic]: Start isDeterministic. Operand 11 states and 4992 transitions. [2023-11-28 20:36:16,430 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-28 20:36:16,430 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 11 states and 4992 transitions. [2023-11-28 20:36:16,437 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) [2023-11-28 20:36:16,445 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) [2023-11-28 20:36:16,446 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) [2023-11-28 20:36:16,446 INFO L175 Difference]: Start difference. First operand has 438 places, 433 transitions, 999 flow. Second operand 11 states and 4992 transitions. [2023-11-28 20:36:16,446 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 448 places, 457 transitions, 1191 flow [2023-11-28 20:36:16,451 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 446 places, 457 transitions, 1187 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-11-28 20:36:16,457 INFO L231 Difference]: Finished difference. Result has 449 places, 438 transitions, 1068 flow [2023-11-28 20:36:16,458 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} [2023-11-28 20:36:16,459 INFO L281 CegarLoopForPetriNet]: 452 programPoint places, -3 predicate places. [2023-11-28 20:36:16,459 INFO L495 AbstractCegarLoop]: Abstraction has has 449 places, 438 transitions, 1068 flow [2023-11-28 20:36:16,459 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) [2023-11-28 20:36:16,459 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-28 20:36:16,460 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] [2023-11-28 20:36:16,460 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2023-11-28 20:36:16,460 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)] === [2023-11-28 20:36:16,460 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-28 20:36:16,460 INFO L85 PathProgramCache]: Analyzing trace with hash 1029379726, now seen corresponding path program 1 times [2023-11-28 20:36:16,460 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-28 20:36:16,461 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1819611551] [2023-11-28 20:36:16,461 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-28 20:36:16,461 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-28 20:36:16,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-28 20:36:16,968 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-28 20:36:16,968 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-28 20:36:16,968 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1819611551] [2023-11-28 20:36:16,968 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1819611551] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-28 20:36:16,968 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-28 20:36:16,968 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-28 20:36:16,969 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1880633956] [2023-11-28 20:36:16,969 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-28 20:36:16,969 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-28 20:36:16,969 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-28 20:36:16,970 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-28 20:36:16,970 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-11-28 20:36:17,472 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 461 out of 495 [2023-11-28 20:36:17,474 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) [2023-11-28 20:36:17,474 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-28 20:36:17,475 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 461 of 495 [2023-11-28 20:36:17,475 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-28 20:36:17,648 INFO L124 PetriNetUnfolderBase]: 67/1285 cut-off events. [2023-11-28 20:36:17,649 INFO L125 PetriNetUnfolderBase]: For 52/61 co-relation queries the response was YES. [2023-11-28 20:36:17,655 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. [2023-11-28 20:36:17,657 INFO L140 encePairwiseOnDemand]: 490/495 looper letters, 15 selfloop transitions, 4 changer transitions 0/437 dead transitions. [2023-11-28 20:36:17,658 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 453 places, 437 transitions, 1104 flow [2023-11-28 20:36:17,658 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-28 20:36:17,658 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-11-28 20:36:17,664 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 2786 transitions. [2023-11-28 20:36:17,665 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.938047138047138 [2023-11-28 20:36:17,665 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 2786 transitions. [2023-11-28 20:36:17,665 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 2786 transitions. [2023-11-28 20:36:17,666 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-28 20:36:17,666 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 2786 transitions. [2023-11-28 20:36:17,670 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) [2023-11-28 20:36:17,673 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) [2023-11-28 20:36:17,674 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) [2023-11-28 20:36:17,674 INFO L175 Difference]: Start difference. First operand has 449 places, 438 transitions, 1068 flow. Second operand 6 states and 2786 transitions. [2023-11-28 20:36:17,674 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 453 places, 437 transitions, 1104 flow [2023-11-28 20:36:17,677 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 446 places, 437 transitions, 1083 flow, removed 0 selfloop flow, removed 7 redundant places. [2023-11-28 20:36:17,681 INFO L231 Difference]: Finished difference. Result has 446 places, 437 transitions, 1053 flow [2023-11-28 20:36:17,681 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} [2023-11-28 20:36:17,682 INFO L281 CegarLoopForPetriNet]: 452 programPoint places, -6 predicate places. [2023-11-28 20:36:17,682 INFO L495 AbstractCegarLoop]: Abstraction has has 446 places, 437 transitions, 1053 flow [2023-11-28 20:36:17,682 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) [2023-11-28 20:36:17,682 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-28 20:36:17,682 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] [2023-11-28 20:36:17,682 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2023-11-28 20:36:17,683 INFO L420 AbstractCegarLoop]: === Iteration 24 === Targeting thread1Err5ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err16ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE (and 92 more)] === [2023-11-28 20:36:17,683 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-28 20:36:17,683 INFO L85 PathProgramCache]: Analyzing trace with hash -1138362446, now seen corresponding path program 1 times [2023-11-28 20:36:17,683 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-28 20:36:17,683 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1810076172] [2023-11-28 20:36:17,683 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-28 20:36:17,683 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-28 20:36:17,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-28 20:36:17,822 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-28 20:36:17,822 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-28 20:36:17,822 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1810076172] [2023-11-28 20:36:17,822 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1810076172] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-28 20:36:17,823 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-28 20:36:17,823 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2023-11-28 20:36:17,823 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2108149555] [2023-11-28 20:36:17,823 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-28 20:36:17,823 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-11-28 20:36:17,824 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-28 20:36:17,824 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-11-28 20:36:17,824 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2023-11-28 20:36:18,201 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 448 out of 495 [2023-11-28 20:36:18,203 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) [2023-11-28 20:36:18,203 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-28 20:36:18,204 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 448 of 495 [2023-11-28 20:36:18,204 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-28 20:36:18,731 INFO L124 PetriNetUnfolderBase]: 189/2896 cut-off events. [2023-11-28 20:36:18,732 INFO L125 PetriNetUnfolderBase]: For 161/186 co-relation queries the response was YES. [2023-11-28 20:36:18,746 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. [2023-11-28 20:36:18,751 INFO L140 encePairwiseOnDemand]: 479/495 looper letters, 49 selfloop transitions, 20 changer transitions 0/461 dead transitions. [2023-11-28 20:36:18,751 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 456 places, 461 transitions, 1281 flow [2023-11-28 20:36:18,751 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2023-11-28 20:36:18,751 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2023-11-28 20:36:18,757 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 4983 transitions. [2023-11-28 20:36:18,759 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.9151515151515152 [2023-11-28 20:36:18,759 INFO L72 ComplementDD]: Start complementDD. Operand 11 states and 4983 transitions. [2023-11-28 20:36:18,759 INFO L73 IsDeterministic]: Start isDeterministic. Operand 11 states and 4983 transitions. [2023-11-28 20:36:18,760 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-28 20:36:18,760 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 11 states and 4983 transitions. [2023-11-28 20:36:18,767 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) [2023-11-28 20:36:18,771 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) [2023-11-28 20:36:18,771 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) [2023-11-28 20:36:18,771 INFO L175 Difference]: Start difference. First operand has 446 places, 437 transitions, 1053 flow. Second operand 11 states and 4983 transitions. [2023-11-28 20:36:18,771 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 456 places, 461 transitions, 1281 flow [2023-11-28 20:36:18,777 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 452 places, 461 transitions, 1274 flow, removed 0 selfloop flow, removed 4 redundant places. [2023-11-28 20:36:18,782 INFO L231 Difference]: Finished difference. Result has 457 places, 450 transitions, 1184 flow [2023-11-28 20:36:18,782 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} [2023-11-28 20:36:18,783 INFO L281 CegarLoopForPetriNet]: 452 programPoint places, 5 predicate places. [2023-11-28 20:36:18,783 INFO L495 AbstractCegarLoop]: Abstraction has has 457 places, 450 transitions, 1184 flow [2023-11-28 20:36:18,783 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) [2023-11-28 20:36:18,783 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-28 20:36:18,783 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] [2023-11-28 20:36:18,784 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2023-11-28 20:36:18,784 INFO L420 AbstractCegarLoop]: === Iteration 25 === Targeting thread2Err5ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err16ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE (and 92 more)] === [2023-11-28 20:36:18,784 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-28 20:36:18,784 INFO L85 PathProgramCache]: Analyzing trace with hash -1355700624, now seen corresponding path program 1 times [2023-11-28 20:36:18,784 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-28 20:36:18,784 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1311067555] [2023-11-28 20:36:18,784 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-28 20:36:18,784 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-28 20:36:18,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-28 20:36:18,962 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-28 20:36:18,963 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-28 20:36:18,963 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1311067555] [2023-11-28 20:36:18,963 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1311067555] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-28 20:36:18,963 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-28 20:36:18,963 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2023-11-28 20:36:18,963 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1645150515] [2023-11-28 20:36:18,963 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-28 20:36:18,964 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-11-28 20:36:18,964 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-28 20:36:18,964 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-11-28 20:36:18,965 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2023-11-28 20:36:19,367 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 448 out of 495 [2023-11-28 20:36:19,369 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) [2023-11-28 20:36:19,370 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-28 20:36:19,370 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 448 of 495 [2023-11-28 20:36:19,370 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-28 20:36:19,739 INFO L124 PetriNetUnfolderBase]: 162/2015 cut-off events. [2023-11-28 20:36:19,739 INFO L125 PetriNetUnfolderBase]: For 262/267 co-relation queries the response was YES. [2023-11-28 20:36:19,747 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. [2023-11-28 20:36:19,750 INFO L140 encePairwiseOnDemand]: 480/495 looper letters, 48 selfloop transitions, 19 changer transitions 0/466 dead transitions. [2023-11-28 20:36:19,750 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 467 places, 466 transitions, 1390 flow [2023-11-28 20:36:19,751 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2023-11-28 20:36:19,751 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2023-11-28 20:36:19,753 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 4981 transitions. [2023-11-28 20:36:19,754 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.9147842056932965 [2023-11-28 20:36:19,754 INFO L72 ComplementDD]: Start complementDD. Operand 11 states and 4981 transitions. [2023-11-28 20:36:19,754 INFO L73 IsDeterministic]: Start isDeterministic. Operand 11 states and 4981 transitions. [2023-11-28 20:36:19,755 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-28 20:36:19,755 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 11 states and 4981 transitions. [2023-11-28 20:36:19,759 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) [2023-11-28 20:36:19,762 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) [2023-11-28 20:36:19,762 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) [2023-11-28 20:36:19,762 INFO L175 Difference]: Start difference. First operand has 457 places, 450 transitions, 1184 flow. Second operand 11 states and 4981 transitions. [2023-11-28 20:36:19,762 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 467 places, 466 transitions, 1390 flow [2023-11-28 20:36:19,766 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 466 places, 466 transitions, 1386 flow, removed 0 selfloop flow, removed 1 redundant places. [2023-11-28 20:36:19,771 INFO L231 Difference]: Finished difference. Result has 469 places, 457 transitions, 1287 flow [2023-11-28 20:36:19,771 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} [2023-11-28 20:36:19,772 INFO L281 CegarLoopForPetriNet]: 452 programPoint places, 17 predicate places. [2023-11-28 20:36:19,772 INFO L495 AbstractCegarLoop]: Abstraction has has 469 places, 457 transitions, 1287 flow [2023-11-28 20:36:19,772 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) [2023-11-28 20:36:19,772 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-28 20:36:19,772 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] [2023-11-28 20:36:19,772 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2023-11-28 20:36:19,772 INFO L420 AbstractCegarLoop]: === Iteration 26 === Targeting thread1Err5ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err16ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE (and 92 more)] === [2023-11-28 20:36:19,773 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-28 20:36:19,773 INFO L85 PathProgramCache]: Analyzing trace with hash -91454048, now seen corresponding path program 1 times [2023-11-28 20:36:19,773 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-28 20:36:19,773 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [425705867] [2023-11-28 20:36:19,773 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-28 20:36:19,773 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-28 20:36:19,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-28 20:36:20,231 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-28 20:36:20,231 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-28 20:36:20,231 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [425705867] [2023-11-28 20:36:20,231 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [425705867] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-28 20:36:20,231 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-28 20:36:20,231 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-28 20:36:20,232 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1336953520] [2023-11-28 20:36:20,232 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-28 20:36:20,232 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-28 20:36:20,232 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-28 20:36:20,233 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-28 20:36:20,233 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-11-28 20:36:20,713 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 454 out of 495 [2023-11-28 20:36:20,714 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) [2023-11-28 20:36:20,714 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-28 20:36:20,714 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 454 of 495 [2023-11-28 20:36:20,714 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-28 20:36:21,073 INFO L124 PetriNetUnfolderBase]: 152/2497 cut-off events. [2023-11-28 20:36:21,073 INFO L125 PetriNetUnfolderBase]: For 399/399 co-relation queries the response was YES. [2023-11-28 20:36:21,086 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. [2023-11-28 20:36:21,091 INFO L140 encePairwiseOnDemand]: 487/495 looper letters, 32 selfloop transitions, 6 changer transitions 0/460 dead transitions. [2023-11-28 20:36:21,091 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 472 places, 460 transitions, 1377 flow [2023-11-28 20:36:21,091 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-28 20:36:21,091 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-11-28 20:36:21,093 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 2758 transitions. [2023-11-28 20:36:21,093 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.9286195286195286 [2023-11-28 20:36:21,093 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 2758 transitions. [2023-11-28 20:36:21,093 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 2758 transitions. [2023-11-28 20:36:21,094 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-28 20:36:21,094 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 2758 transitions. [2023-11-28 20:36:21,098 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) [2023-11-28 20:36:21,101 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) [2023-11-28 20:36:21,101 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) [2023-11-28 20:36:21,101 INFO L175 Difference]: Start difference. First operand has 469 places, 457 transitions, 1287 flow. Second operand 6 states and 2758 transitions. [2023-11-28 20:36:21,101 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 472 places, 460 transitions, 1377 flow [2023-11-28 20:36:21,109 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 465 places, 460 transitions, 1356 flow, removed 0 selfloop flow, removed 7 redundant places. [2023-11-28 20:36:21,116 INFO L231 Difference]: Finished difference. Result has 466 places, 456 transitions, 1285 flow [2023-11-28 20:36:21,117 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} [2023-11-28 20:36:21,117 INFO L281 CegarLoopForPetriNet]: 452 programPoint places, 14 predicate places. [2023-11-28 20:36:21,117 INFO L495 AbstractCegarLoop]: Abstraction has has 466 places, 456 transitions, 1285 flow [2023-11-28 20:36:21,118 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) [2023-11-28 20:36:21,118 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-28 20:36:21,118 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] [2023-11-28 20:36:21,118 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25 [2023-11-28 20:36:21,118 INFO L420 AbstractCegarLoop]: === Iteration 27 === Targeting thread2Err5ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err16ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE (and 92 more)] === [2023-11-28 20:36:21,118 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-28 20:36:21,119 INFO L85 PathProgramCache]: Analyzing trace with hash 96831966, now seen corresponding path program 1 times [2023-11-28 20:36:21,119 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-28 20:36:21,119 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [766364114] [2023-11-28 20:36:21,119 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-28 20:36:21,119 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-28 20:36:21,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-28 20:36:21,556 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-28 20:36:21,556 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-28 20:36:21,556 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [766364114] [2023-11-28 20:36:21,557 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [766364114] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-28 20:36:21,557 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-28 20:36:21,557 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-28 20:36:21,557 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [277624255] [2023-11-28 20:36:21,557 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-28 20:36:21,557 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-28 20:36:21,558 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-28 20:36:21,558 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-28 20:36:21,558 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-11-28 20:36:21,998 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 454 out of 495 [2023-11-28 20:36:21,999 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) [2023-11-28 20:36:22,000 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-28 20:36:22,000 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 454 of 495 [2023-11-28 20:36:22,000 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-28 20:36:22,331 INFO L124 PetriNetUnfolderBase]: 141/1983 cut-off events. [2023-11-28 20:36:22,331 INFO L125 PetriNetUnfolderBase]: For 418/423 co-relation queries the response was YES. [2023-11-28 20:36:22,346 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. [2023-11-28 20:36:22,350 INFO L140 encePairwiseOnDemand]: 487/495 looper letters, 32 selfloop transitions, 6 changer transitions 0/459 dead transitions. [2023-11-28 20:36:22,350 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 469 places, 459 transitions, 1375 flow [2023-11-28 20:36:22,350 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-28 20:36:22,350 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-11-28 20:36:22,352 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 2758 transitions. [2023-11-28 20:36:22,353 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.9286195286195286 [2023-11-28 20:36:22,353 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 2758 transitions. [2023-11-28 20:36:22,353 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 2758 transitions. [2023-11-28 20:36:22,354 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-28 20:36:22,354 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 2758 transitions. [2023-11-28 20:36:22,356 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) [2023-11-28 20:36:22,358 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) [2023-11-28 20:36:22,358 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) [2023-11-28 20:36:22,358 INFO L175 Difference]: Start difference. First operand has 466 places, 456 transitions, 1285 flow. Second operand 6 states and 2758 transitions. [2023-11-28 20:36:22,358 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 469 places, 459 transitions, 1375 flow [2023-11-28 20:36:22,365 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 465 places, 459 transitions, 1362 flow, removed 2 selfloop flow, removed 4 redundant places. [2023-11-28 20:36:22,372 INFO L231 Difference]: Finished difference. Result has 466 places, 455 transitions, 1291 flow [2023-11-28 20:36:22,373 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} [2023-11-28 20:36:22,374 INFO L281 CegarLoopForPetriNet]: 452 programPoint places, 14 predicate places. [2023-11-28 20:36:22,374 INFO L495 AbstractCegarLoop]: Abstraction has has 466 places, 455 transitions, 1291 flow [2023-11-28 20:36:22,374 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) [2023-11-28 20:36:22,374 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-28 20:36:22,375 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] [2023-11-28 20:36:22,375 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26 [2023-11-28 20:36:22,375 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)] === [2023-11-28 20:36:22,375 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-28 20:36:22,375 INFO L85 PathProgramCache]: Analyzing trace with hash 885753521, now seen corresponding path program 1 times [2023-11-28 20:36:22,376 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-28 20:36:22,376 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [988974545] [2023-11-28 20:36:22,376 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-28 20:36:22,376 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-28 20:36:22,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-28 20:36:22,448 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-28 20:36:22,448 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-28 20:36:22,448 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [988974545] [2023-11-28 20:36:22,448 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [988974545] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-28 20:36:22,448 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-28 20:36:22,448 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-28 20:36:22,449 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1076830923] [2023-11-28 20:36:22,449 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-28 20:36:22,449 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-28 20:36:22,449 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-28 20:36:22,450 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-28 20:36:22,450 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-28 20:36:22,463 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 471 out of 495 [2023-11-28 20:36:22,464 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) [2023-11-28 20:36:22,464 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-28 20:36:22,464 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 471 of 495 [2023-11-28 20:36:22,464 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-28 20:36:22,874 INFO L124 PetriNetUnfolderBase]: 145/2780 cut-off events. [2023-11-28 20:36:22,874 INFO L125 PetriNetUnfolderBase]: For 385/388 co-relation queries the response was YES. [2023-11-28 20:36:22,888 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. [2023-11-28 20:36:22,892 INFO L140 encePairwiseOnDemand]: 491/495 looper letters, 15 selfloop transitions, 2 changer transitions 0/460 dead transitions. [2023-11-28 20:36:22,892 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 468 places, 460 transitions, 1338 flow [2023-11-28 20:36:22,892 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-28 20:36:22,892 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-28 20:36:22,893 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1432 transitions. [2023-11-28 20:36:22,894 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.9643097643097643 [2023-11-28 20:36:22,894 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1432 transitions. [2023-11-28 20:36:22,894 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1432 transitions. [2023-11-28 20:36:22,894 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-28 20:36:22,894 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1432 transitions. [2023-11-28 20:36:22,895 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) [2023-11-28 20:36:22,896 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) [2023-11-28 20:36:22,896 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) [2023-11-28 20:36:22,896 INFO L175 Difference]: Start difference. First operand has 466 places, 455 transitions, 1291 flow. Second operand 3 states and 1432 transitions. [2023-11-28 20:36:22,896 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 468 places, 460 transitions, 1338 flow [2023-11-28 20:36:22,904 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 464 places, 460 transitions, 1325 flow, removed 2 selfloop flow, removed 4 redundant places. [2023-11-28 20:36:22,910 INFO L231 Difference]: Finished difference. Result has 466 places, 457 transitions, 1298 flow [2023-11-28 20:36:22,911 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} [2023-11-28 20:36:22,911 INFO L281 CegarLoopForPetriNet]: 452 programPoint places, 14 predicate places. [2023-11-28 20:36:22,911 INFO L495 AbstractCegarLoop]: Abstraction has has 466 places, 457 transitions, 1298 flow [2023-11-28 20:36:22,912 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) [2023-11-28 20:36:22,912 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-28 20:36:22,912 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] [2023-11-28 20:36:22,912 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable27 [2023-11-28 20:36:22,912 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)] === [2023-11-28 20:36:22,912 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-28 20:36:22,912 INFO L85 PathProgramCache]: Analyzing trace with hash -191647892, now seen corresponding path program 1 times [2023-11-28 20:36:22,913 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-28 20:36:22,913 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1572154759] [2023-11-28 20:36:22,913 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-28 20:36:22,913 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-28 20:36:22,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-28 20:36:22,953 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-28 20:36:22,953 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-28 20:36:22,953 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1572154759] [2023-11-28 20:36:22,953 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1572154759] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-28 20:36:22,954 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-28 20:36:22,954 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-28 20:36:22,954 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [140213802] [2023-11-28 20:36:22,954 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-28 20:36:22,954 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-28 20:36:22,955 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-28 20:36:22,955 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-28 20:36:22,955 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-28 20:36:22,974 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 467 out of 495 [2023-11-28 20:36:22,975 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) [2023-11-28 20:36:22,975 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-28 20:36:22,975 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 467 of 495 [2023-11-28 20:36:22,975 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-28 20:36:23,384 INFO L124 PetriNetUnfolderBase]: 137/2914 cut-off events. [2023-11-28 20:36:23,384 INFO L125 PetriNetUnfolderBase]: For 400/411 co-relation queries the response was YES. [2023-11-28 20:36:23,401 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. [2023-11-28 20:36:23,406 INFO L140 encePairwiseOnDemand]: 491/495 looper letters, 12 selfloop transitions, 1 changer transitions 0/454 dead transitions. [2023-11-28 20:36:23,406 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 465 places, 454 transitions, 1318 flow [2023-11-28 20:36:23,407 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-28 20:36:23,407 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-28 20:36:23,408 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1417 transitions. [2023-11-28 20:36:23,408 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.9542087542087542 [2023-11-28 20:36:23,408 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1417 transitions. [2023-11-28 20:36:23,408 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1417 transitions. [2023-11-28 20:36:23,408 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-28 20:36:23,409 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1417 transitions. [2023-11-28 20:36:23,410 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) [2023-11-28 20:36:23,411 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) [2023-11-28 20:36:23,411 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) [2023-11-28 20:36:23,411 INFO L175 Difference]: Start difference. First operand has 466 places, 457 transitions, 1298 flow. Second operand 3 states and 1417 transitions. [2023-11-28 20:36:23,411 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 465 places, 454 transitions, 1318 flow [2023-11-28 20:36:23,417 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 464 places, 454 transitions, 1316 flow, removed 0 selfloop flow, removed 1 redundant places. [2023-11-28 20:36:23,421 INFO L231 Difference]: Finished difference. Result has 464 places, 454 transitions, 1292 flow [2023-11-28 20:36:23,422 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} [2023-11-28 20:36:23,422 INFO L281 CegarLoopForPetriNet]: 452 programPoint places, 12 predicate places. [2023-11-28 20:36:23,422 INFO L495 AbstractCegarLoop]: Abstraction has has 464 places, 454 transitions, 1292 flow [2023-11-28 20:36:23,423 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) [2023-11-28 20:36:23,423 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-28 20:36:23,423 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] [2023-11-28 20:36:23,423 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable28 [2023-11-28 20:36:23,423 INFO L420 AbstractCegarLoop]: === Iteration 30 === Targeting thread1Err7ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err16ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE (and 92 more)] === [2023-11-28 20:36:23,423 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-28 20:36:23,424 INFO L85 PathProgramCache]: Analyzing trace with hash -1937935034, now seen corresponding path program 1 times [2023-11-28 20:36:23,424 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-28 20:36:23,424 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1926001355] [2023-11-28 20:36:23,424 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-28 20:36:23,424 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-28 20:36:23,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-28 20:36:23,807 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-28 20:36:23,807 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-28 20:36:23,807 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1926001355] [2023-11-28 20:36:23,807 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1926001355] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-28 20:36:23,807 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-28 20:36:23,808 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-28 20:36:23,808 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [745448814] [2023-11-28 20:36:23,808 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-28 20:36:23,808 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-28 20:36:23,809 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-28 20:36:23,809 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-28 20:36:23,809 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-11-28 20:36:24,280 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 454 out of 495 [2023-11-28 20:36:24,282 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) [2023-11-28 20:36:24,282 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-28 20:36:24,282 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 454 of 495 [2023-11-28 20:36:24,282 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-28 20:36:24,725 INFO L124 PetriNetUnfolderBase]: 151/2934 cut-off events. [2023-11-28 20:36:24,725 INFO L125 PetriNetUnfolderBase]: For 468/473 co-relation queries the response was YES. [2023-11-28 20:36:24,742 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. [2023-11-28 20:36:24,748 INFO L140 encePairwiseOnDemand]: 487/495 looper letters, 32 selfloop transitions, 6 changer transitions 0/456 dead transitions. [2023-11-28 20:36:24,748 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 467 places, 456 transitions, 1376 flow [2023-11-28 20:36:24,749 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-28 20:36:24,749 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-11-28 20:36:24,751 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 2758 transitions. [2023-11-28 20:36:24,752 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.9286195286195286 [2023-11-28 20:36:24,752 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 2758 transitions. [2023-11-28 20:36:24,752 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 2758 transitions. [2023-11-28 20:36:24,753 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-28 20:36:24,753 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 2758 transitions. [2023-11-28 20:36:24,756 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) [2023-11-28 20:36:24,759 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) [2023-11-28 20:36:24,759 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) [2023-11-28 20:36:24,759 INFO L175 Difference]: Start difference. First operand has 464 places, 454 transitions, 1292 flow. Second operand 6 states and 2758 transitions. [2023-11-28 20:36:24,759 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 467 places, 456 transitions, 1376 flow [2023-11-28 20:36:24,767 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 466 places, 456 transitions, 1375 flow, removed 0 selfloop flow, removed 1 redundant places. [2023-11-28 20:36:24,771 INFO L231 Difference]: Finished difference. Result has 466 places, 452 transitions, 1299 flow [2023-11-28 20:36:24,772 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} [2023-11-28 20:36:24,772 INFO L281 CegarLoopForPetriNet]: 452 programPoint places, 14 predicate places. [2023-11-28 20:36:24,772 INFO L495 AbstractCegarLoop]: Abstraction has has 466 places, 452 transitions, 1299 flow [2023-11-28 20:36:24,773 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) [2023-11-28 20:36:24,773 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-28 20:36:24,773 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] [2023-11-28 20:36:24,773 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29 [2023-11-28 20:36:24,774 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)] === [2023-11-28 20:36:24,774 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-28 20:36:24,774 INFO L85 PathProgramCache]: Analyzing trace with hash 2143243319, now seen corresponding path program 1 times [2023-11-28 20:36:24,774 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-28 20:36:24,774 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1717662433] [2023-11-28 20:36:24,774 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-28 20:36:24,775 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-28 20:36:24,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-28 20:36:24,821 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-28 20:36:24,821 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-28 20:36:24,822 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1717662433] [2023-11-28 20:36:24,822 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1717662433] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-28 20:36:24,822 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-28 20:36:24,822 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-28 20:36:24,822 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1863564399] [2023-11-28 20:36:24,822 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-28 20:36:24,823 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-28 20:36:24,823 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-28 20:36:24,823 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-28 20:36:24,823 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-28 20:36:24,832 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 471 out of 495 [2023-11-28 20:36:24,834 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) [2023-11-28 20:36:24,834 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-28 20:36:24,834 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 471 of 495 [2023-11-28 20:36:24,834 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-28 20:36:25,252 INFO L124 PetriNetUnfolderBase]: 139/2711 cut-off events. [2023-11-28 20:36:25,252 INFO L125 PetriNetUnfolderBase]: For 445/453 co-relation queries the response was YES. [2023-11-28 20:36:25,266 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. [2023-11-28 20:36:25,270 INFO L140 encePairwiseOnDemand]: 491/495 looper letters, 17 selfloop transitions, 2 changer transitions 0/457 dead transitions. [2023-11-28 20:36:25,270 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 468 places, 457 transitions, 1354 flow [2023-11-28 20:36:25,270 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-28 20:36:25,270 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-28 20:36:25,271 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1432 transitions. [2023-11-28 20:36:25,271 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.9643097643097643 [2023-11-28 20:36:25,271 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1432 transitions. [2023-11-28 20:36:25,271 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1432 transitions. [2023-11-28 20:36:25,272 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-28 20:36:25,272 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1432 transitions. [2023-11-28 20:36:25,273 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) [2023-11-28 20:36:25,273 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) [2023-11-28 20:36:25,274 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) [2023-11-28 20:36:25,274 INFO L175 Difference]: Start difference. First operand has 466 places, 452 transitions, 1299 flow. Second operand 3 states and 1432 transitions. [2023-11-28 20:36:25,274 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 468 places, 457 transitions, 1354 flow [2023-11-28 20:36:25,280 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 463 places, 457 transitions, 1342 flow, removed 0 selfloop flow, removed 5 redundant places. [2023-11-28 20:36:25,287 INFO L231 Difference]: Finished difference. Result has 465 places, 454 transitions, 1311 flow [2023-11-28 20:36:25,287 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} [2023-11-28 20:36:25,288 INFO L281 CegarLoopForPetriNet]: 452 programPoint places, 13 predicate places. [2023-11-28 20:36:25,288 INFO L495 AbstractCegarLoop]: Abstraction has has 465 places, 454 transitions, 1311 flow [2023-11-28 20:36:25,288 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) [2023-11-28 20:36:25,288 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-28 20:36:25,289 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] [2023-11-28 20:36:25,289 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable30 [2023-11-28 20:36:25,289 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)] === [2023-11-28 20:36:25,289 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-28 20:36:25,289 INFO L85 PathProgramCache]: Analyzing trace with hash 1422627548, now seen corresponding path program 1 times [2023-11-28 20:36:25,289 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-28 20:36:25,289 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1411947583] [2023-11-28 20:36:25,290 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-28 20:36:25,290 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-28 20:36:25,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-28 20:36:25,349 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-28 20:36:25,349 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-28 20:36:25,349 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1411947583] [2023-11-28 20:36:25,349 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1411947583] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-28 20:36:25,350 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-28 20:36:25,350 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-28 20:36:25,350 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [927665612] [2023-11-28 20:36:25,350 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-28 20:36:25,350 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-28 20:36:25,350 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-28 20:36:25,350 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-28 20:36:25,351 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-28 20:36:25,368 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 467 out of 495 [2023-11-28 20:36:25,370 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) [2023-11-28 20:36:25,370 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-28 20:36:25,370 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 467 of 495 [2023-11-28 20:36:25,370 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-28 20:36:25,708 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)]) [2023-11-28 20:36:25,708 INFO L294 olderBase$Statistics]: this new event has 251 ancestors and is cut-off event [2023-11-28 20:36:25,708 INFO L297 olderBase$Statistics]: existing Event has 242 ancestors and is cut-off event [2023-11-28 20:36:25,708 INFO L297 olderBase$Statistics]: existing Event has 242 ancestors and is cut-off event [2023-11-28 20:36:25,708 INFO L297 olderBase$Statistics]: existing Event has 273 ancestors and is cut-off event [2023-11-28 20:36:25,717 INFO L124 PetriNetUnfolderBase]: 128/2509 cut-off events. [2023-11-28 20:36:25,717 INFO L125 PetriNetUnfolderBase]: For 383/421 co-relation queries the response was YES. [2023-11-28 20:36:25,730 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. [2023-11-28 20:36:25,732 INFO L140 encePairwiseOnDemand]: 489/495 looper letters, 6 selfloop transitions, 0 changer transitions 83/453 dead transitions. [2023-11-28 20:36:25,732 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 464 places, 453 transitions, 1337 flow [2023-11-28 20:36:25,732 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-28 20:36:25,732 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-28 20:36:25,733 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1418 transitions. [2023-11-28 20:36:25,733 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.9548821548821549 [2023-11-28 20:36:25,733 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1418 transitions. [2023-11-28 20:36:25,734 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1418 transitions. [2023-11-28 20:36:25,734 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-28 20:36:25,734 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1418 transitions. [2023-11-28 20:36:25,735 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) [2023-11-28 20:36:25,736 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) [2023-11-28 20:36:25,736 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) [2023-11-28 20:36:25,736 INFO L175 Difference]: Start difference. First operand has 465 places, 454 transitions, 1311 flow. Second operand 3 states and 1418 transitions. [2023-11-28 20:36:25,736 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 464 places, 453 transitions, 1337 flow [2023-11-28 20:36:25,741 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 463 places, 453 transitions, 1331 flow, removed 2 selfloop flow, removed 1 redundant places. [2023-11-28 20:36:25,745 INFO L231 Difference]: Finished difference. Result has 463 places, 370 transitions, 938 flow [2023-11-28 20:36:25,745 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} [2023-11-28 20:36:25,745 INFO L281 CegarLoopForPetriNet]: 452 programPoint places, 11 predicate places. [2023-11-28 20:36:25,745 INFO L495 AbstractCegarLoop]: Abstraction has has 463 places, 370 transitions, 938 flow [2023-11-28 20:36:25,746 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) [2023-11-28 20:36:25,746 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-28 20:36:25,746 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] [2023-11-28 20:36:25,746 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable31 [2023-11-28 20:36:25,746 INFO L420 AbstractCegarLoop]: === Iteration 33 === Targeting thread2Err7ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err16ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE (and 92 more)] === [2023-11-28 20:36:25,746 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-28 20:36:25,746 INFO L85 PathProgramCache]: Analyzing trace with hash 1145791492, now seen corresponding path program 1 times [2023-11-28 20:36:25,747 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-28 20:36:25,747 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1050475239] [2023-11-28 20:36:25,747 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-28 20:36:25,747 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-28 20:36:25,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-28 20:36:26,135 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-28 20:36:26,136 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-28 20:36:26,136 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1050475239] [2023-11-28 20:36:26,136 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1050475239] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-28 20:36:26,136 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-28 20:36:26,136 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-28 20:36:26,136 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1092487276] [2023-11-28 20:36:26,136 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-28 20:36:26,136 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-28 20:36:26,137 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-28 20:36:26,137 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-28 20:36:26,137 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-11-28 20:36:26,580 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 454 out of 495 [2023-11-28 20:36:26,581 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) [2023-11-28 20:36:26,581 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-28 20:36:26,581 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 454 of 495 [2023-11-28 20:36:26,581 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-28 20:36:26,788 INFO L124 PetriNetUnfolderBase]: 84/1147 cut-off events. [2023-11-28 20:36:26,788 INFO L125 PetriNetUnfolderBase]: For 189/192 co-relation queries the response was YES. [2023-11-28 20:36:26,795 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. [2023-11-28 20:36:26,797 INFO L140 encePairwiseOnDemand]: 487/495 looper letters, 25 selfloop transitions, 6 changer transitions 0/372 dead transitions. [2023-11-28 20:36:26,797 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 406 places, 372 transitions, 1008 flow [2023-11-28 20:36:26,797 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-28 20:36:26,798 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-11-28 20:36:26,800 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 2757 transitions. [2023-11-28 20:36:26,801 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.9282828282828283 [2023-11-28 20:36:26,801 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 2757 transitions. [2023-11-28 20:36:26,801 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 2757 transitions. [2023-11-28 20:36:26,801 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-28 20:36:26,801 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 2757 transitions. [2023-11-28 20:36:26,804 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) [2023-11-28 20:36:26,806 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) [2023-11-28 20:36:26,807 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) [2023-11-28 20:36:26,807 INFO L175 Difference]: Start difference. First operand has 463 places, 370 transitions, 938 flow. Second operand 6 states and 2757 transitions. [2023-11-28 20:36:26,807 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 406 places, 372 transitions, 1008 flow [2023-11-28 20:36:26,811 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 384 places, 372 transitions, 928 flow, removed 24 selfloop flow, removed 22 redundant places. [2023-11-28 20:36:26,816 INFO L231 Difference]: Finished difference. Result has 384 places, 368 transitions, 866 flow [2023-11-28 20:36:26,817 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} [2023-11-28 20:36:26,817 INFO L281 CegarLoopForPetriNet]: 452 programPoint places, -68 predicate places. [2023-11-28 20:36:26,817 INFO L495 AbstractCegarLoop]: Abstraction has has 384 places, 368 transitions, 866 flow [2023-11-28 20:36:26,818 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) [2023-11-28 20:36:26,818 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-28 20:36:26,818 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] [2023-11-28 20:36:26,818 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable32 [2023-11-28 20:36:26,818 INFO L420 AbstractCegarLoop]: === Iteration 34 === Targeting thread1Err12ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err16ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE (and 92 more)] === [2023-11-28 20:36:26,818 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-28 20:36:26,819 INFO L85 PathProgramCache]: Analyzing trace with hash -1015016705, now seen corresponding path program 1 times [2023-11-28 20:36:26,819 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-28 20:36:26,819 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [439888623] [2023-11-28 20:36:26,819 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-28 20:36:26,819 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-28 20:36:26,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-28 20:36:26,879 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-28 20:36:26,879 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-28 20:36:26,880 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [439888623] [2023-11-28 20:36:26,880 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [439888623] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-28 20:36:26,880 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-28 20:36:26,880 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-28 20:36:26,880 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [714389624] [2023-11-28 20:36:26,880 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-28 20:36:26,881 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-28 20:36:26,881 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-28 20:36:26,882 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-28 20:36:26,882 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-28 20:36:26,915 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 469 out of 495 [2023-11-28 20:36:26,917 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) [2023-11-28 20:36:26,917 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-28 20:36:26,917 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 469 of 495 [2023-11-28 20:36:26,917 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-28 20:36:27,133 INFO L124 PetriNetUnfolderBase]: 66/1218 cut-off events. [2023-11-28 20:36:27,133 INFO L125 PetriNetUnfolderBase]: For 20/23 co-relation queries the response was YES. [2023-11-28 20:36:27,138 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. [2023-11-28 20:36:27,140 INFO L140 encePairwiseOnDemand]: 492/495 looper letters, 7 selfloop transitions, 2 changer transitions 0/368 dead transitions. [2023-11-28 20:36:27,140 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 385 places, 368 transitions, 885 flow [2023-11-28 20:36:27,141 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-28 20:36:27,141 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-28 20:36:27,142 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1417 transitions. [2023-11-28 20:36:27,143 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.9542087542087542 [2023-11-28 20:36:27,143 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1417 transitions. [2023-11-28 20:36:27,143 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1417 transitions. [2023-11-28 20:36:27,143 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-28 20:36:27,143 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1417 transitions. [2023-11-28 20:36:27,145 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) [2023-11-28 20:36:27,146 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) [2023-11-28 20:36:27,146 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) [2023-11-28 20:36:27,146 INFO L175 Difference]: Start difference. First operand has 384 places, 368 transitions, 866 flow. Second operand 3 states and 1417 transitions. [2023-11-28 20:36:27,146 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 385 places, 368 transitions, 885 flow [2023-11-28 20:36:27,150 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 380 places, 368 transitions, 873 flow, removed 0 selfloop flow, removed 5 redundant places. [2023-11-28 20:36:27,154 INFO L231 Difference]: Finished difference. Result has 380 places, 367 transitions, 856 flow [2023-11-28 20:36:27,154 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} [2023-11-28 20:36:27,155 INFO L281 CegarLoopForPetriNet]: 452 programPoint places, -72 predicate places. [2023-11-28 20:36:27,155 INFO L495 AbstractCegarLoop]: Abstraction has has 380 places, 367 transitions, 856 flow [2023-11-28 20:36:27,155 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) [2023-11-28 20:36:27,155 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-28 20:36:27,156 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] [2023-11-28 20:36:27,156 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable33 [2023-11-28 20:36:27,156 INFO L420 AbstractCegarLoop]: === Iteration 35 === Targeting thread2Err12ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err16ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE (and 92 more)] === [2023-11-28 20:36:27,156 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-28 20:36:27,156 INFO L85 PathProgramCache]: Analyzing trace with hash -1111558254, now seen corresponding path program 1 times [2023-11-28 20:36:27,156 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-28 20:36:27,156 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1147581156] [2023-11-28 20:36:27,156 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-28 20:36:27,157 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-28 20:36:27,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-28 20:36:27,224 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-28 20:36:27,224 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-28 20:36:27,225 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1147581156] [2023-11-28 20:36:27,225 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1147581156] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-28 20:36:27,225 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-28 20:36:27,225 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-28 20:36:27,225 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [989166552] [2023-11-28 20:36:27,226 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-28 20:36:27,226 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-28 20:36:27,226 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-28 20:36:27,227 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-28 20:36:27,227 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-28 20:36:27,250 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 469 out of 495 [2023-11-28 20:36:27,251 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) [2023-11-28 20:36:27,251 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-28 20:36:27,251 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 469 of 495 [2023-11-28 20:36:27,251 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-28 20:36:27,388 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)]) [2023-11-28 20:36:27,388 INFO L294 olderBase$Statistics]: this new event has 254 ancestors and is cut-off event [2023-11-28 20:36:27,388 INFO L297 olderBase$Statistics]: existing Event has 239 ancestors and is cut-off event [2023-11-28 20:36:27,388 INFO L297 olderBase$Statistics]: existing Event has 270 ancestors and is cut-off event [2023-11-28 20:36:27,388 INFO L297 olderBase$Statistics]: existing Event has 239 ancestors and is cut-off event [2023-11-28 20:36:27,388 INFO L124 PetriNetUnfolderBase]: 65/1055 cut-off events. [2023-11-28 20:36:27,388 INFO L125 PetriNetUnfolderBase]: For 19/22 co-relation queries the response was YES. [2023-11-28 20:36:27,393 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. [2023-11-28 20:36:27,394 INFO L140 encePairwiseOnDemand]: 492/495 looper letters, 0 selfloop transitions, 0 changer transitions 367/367 dead transitions. [2023-11-28 20:36:27,394 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 381 places, 367 transitions, 877 flow [2023-11-28 20:36:27,394 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-28 20:36:27,394 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-28 20:36:27,395 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1418 transitions. [2023-11-28 20:36:27,395 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.9548821548821549 [2023-11-28 20:36:27,395 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1418 transitions. [2023-11-28 20:36:27,395 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1418 transitions. [2023-11-28 20:36:27,396 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-28 20:36:27,396 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1418 transitions. [2023-11-28 20:36:27,397 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) [2023-11-28 20:36:27,397 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) [2023-11-28 20:36:27,397 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) [2023-11-28 20:36:27,398 INFO L175 Difference]: Start difference. First operand has 380 places, 367 transitions, 856 flow. Second operand 3 states and 1418 transitions. [2023-11-28 20:36:27,398 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 381 places, 367 transitions, 877 flow [2023-11-28 20:36:27,400 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 379 places, 367 transitions, 873 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-11-28 20:36:27,402 INFO L231 Difference]: Finished difference. Result has 379 places, 0 transitions, 0 flow [2023-11-28 20:36:27,402 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} [2023-11-28 20:36:27,402 INFO L281 CegarLoopForPetriNet]: 452 programPoint places, -73 predicate places. [2023-11-28 20:36:27,402 INFO L495 AbstractCegarLoop]: Abstraction has has 379 places, 0 transitions, 0 flow [2023-11-28 20:36:27,403 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) [2023-11-28 20:36:27,405 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (95 of 96 remaining) [2023-11-28 20:36:27,405 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE (94 of 96 remaining) [2023-11-28 20:36:27,405 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err16ASSERT_VIOLATIONDATA_RACE (93 of 96 remaining) [2023-11-28 20:36:27,405 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err2ASSERT_VIOLATIONDATA_RACE (92 of 96 remaining) [2023-11-28 20:36:27,406 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err17ASSERT_VIOLATIONDATA_RACE (91 of 96 remaining) [2023-11-28 20:36:27,406 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err13ASSERT_VIOLATIONDATA_RACE (90 of 96 remaining) [2023-11-28 20:36:27,406 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err3ASSERT_VIOLATIONDATA_RACE (89 of 96 remaining) [2023-11-28 20:36:27,406 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err14ASSERT_VIOLATIONDATA_RACE (88 of 96 remaining) [2023-11-28 20:36:27,406 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err18ASSERT_VIOLATIONDATA_RACE (87 of 96 remaining) [2023-11-28 20:36:27,406 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err4ASSERT_VIOLATIONDATA_RACE (86 of 96 remaining) [2023-11-28 20:36:27,406 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err15ASSERT_VIOLATIONDATA_RACE (85 of 96 remaining) [2023-11-28 20:36:27,406 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err5ASSERT_VIOLATIONDATA_RACE (84 of 96 remaining) [2023-11-28 20:36:27,406 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err6ASSERT_VIOLATIONDATA_RACE (83 of 96 remaining) [2023-11-28 20:36:27,406 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err7ASSERT_VIOLATIONDATA_RACE (82 of 96 remaining) [2023-11-28 20:36:27,407 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err8ASSERT_VIOLATIONDATA_RACE (81 of 96 remaining) [2023-11-28 20:36:27,407 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err9ASSERT_VIOLATIONDATA_RACE (80 of 96 remaining) [2023-11-28 20:36:27,407 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err10ASSERT_VIOLATIONDATA_RACE (79 of 96 remaining) [2023-11-28 20:36:27,407 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err11ASSERT_VIOLATIONDATA_RACE (78 of 96 remaining) [2023-11-28 20:36:27,407 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err12ASSERT_VIOLATIONDATA_RACE (77 of 96 remaining) [2023-11-28 20:36:27,407 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (76 of 96 remaining) [2023-11-28 20:36:27,407 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (75 of 96 remaining) [2023-11-28 20:36:27,407 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err16ASSERT_VIOLATIONDATA_RACE (74 of 96 remaining) [2023-11-28 20:36:27,407 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err2ASSERT_VIOLATIONDATA_RACE (73 of 96 remaining) [2023-11-28 20:36:27,407 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err17ASSERT_VIOLATIONDATA_RACE (72 of 96 remaining) [2023-11-28 20:36:27,408 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err13ASSERT_VIOLATIONDATA_RACE (71 of 96 remaining) [2023-11-28 20:36:27,408 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err3ASSERT_VIOLATIONDATA_RACE (70 of 96 remaining) [2023-11-28 20:36:27,408 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err14ASSERT_VIOLATIONDATA_RACE (69 of 96 remaining) [2023-11-28 20:36:27,408 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err18ASSERT_VIOLATIONDATA_RACE (68 of 96 remaining) [2023-11-28 20:36:27,408 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err4ASSERT_VIOLATIONDATA_RACE (67 of 96 remaining) [2023-11-28 20:36:27,408 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err15ASSERT_VIOLATIONDATA_RACE (66 of 96 remaining) [2023-11-28 20:36:27,408 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err5ASSERT_VIOLATIONDATA_RACE (65 of 96 remaining) [2023-11-28 20:36:27,408 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err6ASSERT_VIOLATIONDATA_RACE (64 of 96 remaining) [2023-11-28 20:36:27,408 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err7ASSERT_VIOLATIONDATA_RACE (63 of 96 remaining) [2023-11-28 20:36:27,409 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err8ASSERT_VIOLATIONDATA_RACE (62 of 96 remaining) [2023-11-28 20:36:27,409 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err9ASSERT_VIOLATIONDATA_RACE (61 of 96 remaining) [2023-11-28 20:36:27,409 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err10ASSERT_VIOLATIONDATA_RACE (60 of 96 remaining) [2023-11-28 20:36:27,409 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err11ASSERT_VIOLATIONDATA_RACE (59 of 96 remaining) [2023-11-28 20:36:27,409 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err12ASSERT_VIOLATIONDATA_RACE (58 of 96 remaining) [2023-11-28 20:36:27,409 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (57 of 96 remaining) [2023-11-28 20:36:27,409 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (56 of 96 remaining) [2023-11-28 20:36:27,409 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (55 of 96 remaining) [2023-11-28 20:36:27,409 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (54 of 96 remaining) [2023-11-28 20:36:27,409 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE (53 of 96 remaining) [2023-11-28 20:36:27,409 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE (52 of 96 remaining) [2023-11-28 20:36:27,410 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE (51 of 96 remaining) [2023-11-28 20:36:27,410 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE (50 of 96 remaining) [2023-11-28 20:36:27,410 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr8ASSERT_VIOLATIONDATA_RACE (49 of 96 remaining) [2023-11-28 20:36:27,410 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE (48 of 96 remaining) [2023-11-28 20:36:27,410 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE (47 of 96 remaining) [2023-11-28 20:36:27,410 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr11ASSERT_VIOLATIONDATA_RACE (46 of 96 remaining) [2023-11-28 20:36:27,410 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr12ASSERT_VIOLATIONDATA_RACE (45 of 96 remaining) [2023-11-28 20:36:27,410 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr13ASSERT_VIOLATIONDATA_RACE (44 of 96 remaining) [2023-11-28 20:36:27,410 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr14ASSERT_VIOLATIONDATA_RACE (43 of 96 remaining) [2023-11-28 20:36:27,410 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr15ASSERT_VIOLATIONDATA_RACE (42 of 96 remaining) [2023-11-28 20:36:27,411 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr16ASSERT_VIOLATIONDATA_RACE (41 of 96 remaining) [2023-11-28 20:36:27,411 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr17ASSERT_VIOLATIONDATA_RACE (40 of 96 remaining) [2023-11-28 20:36:27,411 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (39 of 96 remaining) [2023-11-28 20:36:27,411 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (38 of 96 remaining) [2023-11-28 20:36:27,411 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (37 of 96 remaining) [2023-11-28 20:36:27,411 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE (36 of 96 remaining) [2023-11-28 20:36:27,411 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err16ASSERT_VIOLATIONDATA_RACE (35 of 96 remaining) [2023-11-28 20:36:27,411 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err2ASSERT_VIOLATIONDATA_RACE (34 of 96 remaining) [2023-11-28 20:36:27,411 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err17ASSERT_VIOLATIONDATA_RACE (33 of 96 remaining) [2023-11-28 20:36:27,412 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err13ASSERT_VIOLATIONDATA_RACE (32 of 96 remaining) [2023-11-28 20:36:27,412 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err3ASSERT_VIOLATIONDATA_RACE (31 of 96 remaining) [2023-11-28 20:36:27,412 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err14ASSERT_VIOLATIONDATA_RACE (30 of 96 remaining) [2023-11-28 20:36:27,412 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err18ASSERT_VIOLATIONDATA_RACE (29 of 96 remaining) [2023-11-28 20:36:27,412 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err4ASSERT_VIOLATIONDATA_RACE (28 of 96 remaining) [2023-11-28 20:36:27,412 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err15ASSERT_VIOLATIONDATA_RACE (27 of 96 remaining) [2023-11-28 20:36:27,412 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err5ASSERT_VIOLATIONDATA_RACE (26 of 96 remaining) [2023-11-28 20:36:27,413 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err6ASSERT_VIOLATIONDATA_RACE (25 of 96 remaining) [2023-11-28 20:36:27,413 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err7ASSERT_VIOLATIONDATA_RACE (24 of 96 remaining) [2023-11-28 20:36:27,413 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err8ASSERT_VIOLATIONDATA_RACE (23 of 96 remaining) [2023-11-28 20:36:27,413 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err9ASSERT_VIOLATIONDATA_RACE (22 of 96 remaining) [2023-11-28 20:36:27,413 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err10ASSERT_VIOLATIONDATA_RACE (21 of 96 remaining) [2023-11-28 20:36:27,413 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err11ASSERT_VIOLATIONDATA_RACE (20 of 96 remaining) [2023-11-28 20:36:27,413 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err12ASSERT_VIOLATIONDATA_RACE (19 of 96 remaining) [2023-11-28 20:36:27,413 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (18 of 96 remaining) [2023-11-28 20:36:27,413 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (17 of 96 remaining) [2023-11-28 20:36:27,414 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err16ASSERT_VIOLATIONDATA_RACE (16 of 96 remaining) [2023-11-28 20:36:27,414 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err2ASSERT_VIOLATIONDATA_RACE (15 of 96 remaining) [2023-11-28 20:36:27,414 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err17ASSERT_VIOLATIONDATA_RACE (14 of 96 remaining) [2023-11-28 20:36:27,414 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err13ASSERT_VIOLATIONDATA_RACE (13 of 96 remaining) [2023-11-28 20:36:27,414 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err3ASSERT_VIOLATIONDATA_RACE (12 of 96 remaining) [2023-11-28 20:36:27,414 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err14ASSERT_VIOLATIONDATA_RACE (11 of 96 remaining) [2023-11-28 20:36:27,414 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err18ASSERT_VIOLATIONDATA_RACE (10 of 96 remaining) [2023-11-28 20:36:27,414 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err4ASSERT_VIOLATIONDATA_RACE (9 of 96 remaining) [2023-11-28 20:36:27,414 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err15ASSERT_VIOLATIONDATA_RACE (8 of 96 remaining) [2023-11-28 20:36:27,415 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err5ASSERT_VIOLATIONDATA_RACE (7 of 96 remaining) [2023-11-28 20:36:27,415 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err6ASSERT_VIOLATIONDATA_RACE (6 of 96 remaining) [2023-11-28 20:36:27,415 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err7ASSERT_VIOLATIONDATA_RACE (5 of 96 remaining) [2023-11-28 20:36:27,415 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err8ASSERT_VIOLATIONDATA_RACE (4 of 96 remaining) [2023-11-28 20:36:27,415 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err9ASSERT_VIOLATIONDATA_RACE (3 of 96 remaining) [2023-11-28 20:36:27,415 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err10ASSERT_VIOLATIONDATA_RACE (2 of 96 remaining) [2023-11-28 20:36:27,415 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err11ASSERT_VIOLATIONDATA_RACE (1 of 96 remaining) [2023-11-28 20:36:27,415 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err12ASSERT_VIOLATIONDATA_RACE (0 of 96 remaining) [2023-11-28 20:36:27,416 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable34 [2023-11-28 20:36:27,416 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] [2023-11-28 20:36:27,421 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2023-11-28 20:36:27,422 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-28 20:36:27,427 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.11 08:36:27 BasicIcfg [2023-11-28 20:36:27,427 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-28 20:36:27,428 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-28 20:36:27,428 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-28 20:36:27,428 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-28 20:36:27,429 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 08:36:03" (3/4) ... [2023-11-28 20:36:27,430 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-11-28 20:36:27,434 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread1 [2023-11-28 20:36:27,434 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread2 [2023-11-28 20:36:27,442 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 23 nodes and edges [2023-11-28 20:36:27,443 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2023-11-28 20:36:27,444 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2023-11-28 20:36:27,444 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-11-28 20:36:27,532 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de1c23f9-7e94-45ca-962e-77285cc971d9/bin/uautomizer-verify-BQ2R08f2Ya/witness.graphml [2023-11-28 20:36:27,533 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de1c23f9-7e94-45ca-962e-77285cc971d9/bin/uautomizer-verify-BQ2R08f2Ya/witness.yml [2023-11-28 20:36:27,533 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-28 20:36:27,534 INFO L158 Benchmark]: Toolchain (without parser) took 25425.48ms. Allocated memory was 155.2MB in the beginning and 1.2GB in the end (delta: 1.0GB). Free memory was 126.5MB in the beginning and 864.8MB in the end (delta: -738.2MB). Peak memory consumption was 307.0MB. Max. memory is 16.1GB. [2023-11-28 20:36:27,534 INFO L158 Benchmark]: CDTParser took 0.13ms. Allocated memory is still 155.2MB. Free memory is still 116.5MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-28 20:36:27,535 INFO L158 Benchmark]: CACSL2BoogieTranslator took 288.43ms. Allocated memory is still 155.2MB. Free memory was 126.3MB in the beginning and 113.1MB in the end (delta: 13.2MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2023-11-28 20:36:27,535 INFO L158 Benchmark]: Boogie Procedure Inliner took 47.17ms. Allocated memory is still 155.2MB. Free memory was 113.1MB in the beginning and 110.6MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-28 20:36:27,535 INFO L158 Benchmark]: Boogie Preprocessor took 48.41ms. Allocated memory is still 155.2MB. Free memory was 110.6MB in the beginning and 107.5MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-28 20:36:27,536 INFO L158 Benchmark]: RCFGBuilder took 789.82ms. Allocated memory is still 155.2MB. Free memory was 107.5MB in the beginning and 123.3MB in the end (delta: -15.8MB). Peak memory consumption was 42.1MB. Max. memory is 16.1GB. [2023-11-28 20:36:27,536 INFO L158 Benchmark]: TraceAbstraction took 24139.23ms. Allocated memory was 155.2MB in the beginning and 1.2GB in the end (delta: 1.0GB). Free memory was 122.6MB in the beginning and 872.1MB in the end (delta: -749.5MB). Peak memory consumption was 294.2MB. Max. memory is 16.1GB. [2023-11-28 20:36:27,537 INFO L158 Benchmark]: Witness Printer took 105.53ms. Allocated memory is still 1.2GB. Free memory was 872.1MB in the beginning and 864.8MB in the end (delta: 7.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2023-11-28 20:36:27,538 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.13ms. Allocated memory is still 155.2MB. Free memory is still 116.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 288.43ms. Allocated memory is still 155.2MB. Free memory was 126.3MB in the beginning and 113.1MB in the end (delta: 13.2MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 47.17ms. Allocated memory is still 155.2MB. Free memory was 113.1MB in the beginning and 110.6MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 48.41ms. Allocated memory is still 155.2MB. Free memory was 110.6MB in the beginning and 107.5MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 789.82ms. Allocated memory is still 155.2MB. Free memory was 107.5MB in the beginning and 123.3MB in the end (delta: -15.8MB). Peak memory consumption was 42.1MB. Max. memory is 16.1GB. * TraceAbstraction took 24139.23ms. Allocated memory was 155.2MB in the beginning and 1.2GB in the end (delta: 1.0GB). Free memory was 122.6MB in the beginning and 872.1MB in the end (delta: -749.5MB). Peak memory consumption was 294.2MB. Max. memory is 16.1GB. * Witness Printer took 105.53ms. Allocated memory is still 1.2GB. Free memory was 872.1MB in the beginning and 864.8MB in the end (delta: 7.3MB). Peak memory consumption was 8.4MB. 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: 24.0s, OverallIterations: 35, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 18.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.2s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 4561 SdHoareTripleChecker+Valid, 5.9s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 2685 mSDsluCounter, 4084 SdHoareTripleChecker+Invalid, 5.0s 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, 0.5s 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: 0.1s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 4.7s 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! [2023-11-28 20:36:27,564 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de1c23f9-7e94-45ca-962e-77285cc971d9/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (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