./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-data-race.prp --file ../../sv-benchmarks/c/weaver/popl20-more-buffer-series.wvr.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version 0e0057cc Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_547c2542-90b6-4e2f-9791-c70c3a3959ce/bin/uautomizer-verify-VRDe98Ueme/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_547c2542-90b6-4e2f-9791-c70c3a3959ce/bin/uautomizer-verify-VRDe98Ueme/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_547c2542-90b6-4e2f-9791-c70c3a3959ce/bin/uautomizer-verify-VRDe98Ueme/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_547c2542-90b6-4e2f-9791-c70c3a3959ce/bin/uautomizer-verify-VRDe98Ueme/config/AutomizerReach.xml -i ../../sv-benchmarks/c/weaver/popl20-more-buffer-series.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_547c2542-90b6-4e2f-9791-c70c3a3959ce/bin/uautomizer-verify-VRDe98Ueme/config/svcomp-DataRace-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_547c2542-90b6-4e2f-9791-c70c3a3959ce/bin/uautomizer-verify-VRDe98Ueme --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! data-race) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 8dbd267b0e0821e8d358e8d234024d8e484ea32431972ed8b70b87052179a50c --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-26 11:53:55,243 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-26 11:53:55,311 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_547c2542-90b6-4e2f-9791-c70c3a3959ce/bin/uautomizer-verify-VRDe98Ueme/config/svcomp-DataRace-32bit-Automizer_Default.epf [2023-11-26 11:53:55,317 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-26 11:53:55,324 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-26 11:53:55,357 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-26 11:53:55,358 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-26 11:53:55,359 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-26 11:53:55,361 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-26 11:53:55,366 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-26 11:53:55,367 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-26 11:53:55,368 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-26 11:53:55,368 INFO L153 SettingsManager]: * Use SBE=true [2023-11-26 11:53:55,370 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-26 11:53:55,371 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-26 11:53:55,371 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-26 11:53:55,372 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-26 11:53:55,372 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-26 11:53:55,373 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-26 11:53:55,373 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-26 11:53:55,374 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-26 11:53:55,374 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-26 11:53:55,375 INFO L153 SettingsManager]: * Check absence of data races in concurrent programs=true [2023-11-26 11:53:55,375 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-26 11:53:55,377 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-26 11:53:55,378 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-26 11:53:55,378 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-26 11:53:55,379 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-26 11:53:55,380 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-26 11:53:55,380 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-26 11:53:55,382 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-26 11:53:55,382 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-26 11:53:55,382 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-26 11:53:55,383 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-26 11:53:55,383 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-26 11:53:55,383 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-26 11:53:55,383 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-26 11:53:55,384 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-26 11:53:55,384 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-26 11:53:55,384 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-26 11:53:55,385 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-26 11:53:55,385 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_547c2542-90b6-4e2f-9791-c70c3a3959ce/bin/uautomizer-verify-VRDe98Ueme/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_547c2542-90b6-4e2f-9791-c70c3a3959ce/bin/uautomizer-verify-VRDe98Ueme Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 8dbd267b0e0821e8d358e8d234024d8e484ea32431972ed8b70b87052179a50c [2023-11-26 11:53:55,753 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-26 11:53:55,789 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-26 11:53:55,792 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-26 11:53:55,793 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-26 11:53:55,794 INFO L274 PluginConnector]: CDTParser initialized [2023-11-26 11:53:55,795 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_547c2542-90b6-4e2f-9791-c70c3a3959ce/bin/uautomizer-verify-VRDe98Ueme/../../sv-benchmarks/c/weaver/popl20-more-buffer-series.wvr.c [2023-11-26 11:53:59,032 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-26 11:53:59,259 INFO L384 CDTParser]: Found 1 translation units. [2023-11-26 11:53:59,260 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_547c2542-90b6-4e2f-9791-c70c3a3959ce/sv-benchmarks/c/weaver/popl20-more-buffer-series.wvr.c [2023-11-26 11:53:59,271 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_547c2542-90b6-4e2f-9791-c70c3a3959ce/bin/uautomizer-verify-VRDe98Ueme/data/3b5207e63/d1edcc207f5e4a2ba1332d93a6ec170d/FLAGfacb511c8 [2023-11-26 11:53:59,288 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_547c2542-90b6-4e2f-9791-c70c3a3959ce/bin/uautomizer-verify-VRDe98Ueme/data/3b5207e63/d1edcc207f5e4a2ba1332d93a6ec170d [2023-11-26 11:53:59,291 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-26 11:53:59,293 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-26 11:53:59,295 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-26 11:53:59,295 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-26 11:53:59,310 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-26 11:53:59,311 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 11:53:59" (1/1) ... [2023-11-26 11:53:59,317 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5f26b624 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:53:59, skipping insertion in model container [2023-11-26 11:53:59,318 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 11:53:59" (1/1) ... [2023-11-26 11:53:59,377 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-26 11:53:59,759 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-26 11:53:59,778 INFO L202 MainTranslator]: Completed pre-run [2023-11-26 11:53:59,883 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-26 11:53:59,899 WARN L675 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-11-26 11:53:59,899 WARN L675 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-11-26 11:53:59,908 INFO L206 MainTranslator]: Completed translation [2023-11-26 11:53:59,909 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:53:59 WrapperNode [2023-11-26 11:53:59,909 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-26 11:53:59,910 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-26 11:53:59,911 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-26 11:53:59,911 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-26 11:53:59,920 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:53:59" (1/1) ... [2023-11-26 11:53:59,951 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:53:59" (1/1) ... [2023-11-26 11:54:00,044 INFO L138 Inliner]: procedures = 27, calls = 88, calls flagged for inlining = 23, calls inlined = 29, statements flattened = 696 [2023-11-26 11:54:00,046 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-26 11:54:00,047 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-26 11:54:00,047 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-26 11:54:00,047 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-26 11:54:00,058 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:53:59" (1/1) ... [2023-11-26 11:54:00,059 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:53:59" (1/1) ... [2023-11-26 11:54:00,075 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:53:59" (1/1) ... [2023-11-26 11:54:00,075 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:53:59" (1/1) ... [2023-11-26 11:54:00,108 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:53:59" (1/1) ... [2023-11-26 11:54:00,115 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:53:59" (1/1) ... [2023-11-26 11:54:00,121 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:53:59" (1/1) ... [2023-11-26 11:54:00,125 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:53:59" (1/1) ... [2023-11-26 11:54:00,135 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-26 11:54:00,136 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-26 11:54:00,136 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-26 11:54:00,136 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-26 11:54:00,137 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:53:59" (1/1) ... [2023-11-26 11:54:00,144 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-26 11:54:00,162 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_547c2542-90b6-4e2f-9791-c70c3a3959ce/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 11:54:00,178 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_547c2542-90b6-4e2f-9791-c70c3a3959ce/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2023-11-26 11:54:00,194 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_547c2542-90b6-4e2f-9791-c70c3a3959ce/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2023-11-26 11:54:00,224 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-26 11:54:00,225 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-26 11:54:00,225 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-26 11:54:00,225 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-26 11:54:00,225 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2023-11-26 11:54:00,226 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2023-11-26 11:54:00,226 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2023-11-26 11:54:00,226 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2023-11-26 11:54:00,226 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2023-11-26 11:54:00,227 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2023-11-26 11:54:00,227 INFO L130 BoogieDeclarations]: Found specification of procedure thread4 [2023-11-26 11:54:00,227 INFO L138 BoogieDeclarations]: Found implementation of procedure thread4 [2023-11-26 11:54:00,227 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-26 11:54:00,228 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-11-26 11:54:00,228 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-11-26 11:54:00,228 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-26 11:54:00,228 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-26 11:54:00,228 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-26 11:54:00,229 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-26 11:54:00,231 WARN L213 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-11-26 11:54:00,443 INFO L241 CfgBuilder]: Building ICFG [2023-11-26 11:54:00,449 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-26 11:54:01,540 INFO L282 CfgBuilder]: Performing block encoding [2023-11-26 11:54:02,440 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-26 11:54:02,440 INFO L309 CfgBuilder]: Removed 7 assume(true) statements. [2023-11-26 11:54:02,442 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 11:54:02 BoogieIcfgContainer [2023-11-26 11:54:02,442 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-26 11:54:02,445 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-26 11:54:02,446 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-26 11:54:02,450 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-26 11:54:02,450 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 26.11 11:53:59" (1/3) ... [2023-11-26 11:54:02,451 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3c429e60 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.11 11:54:02, skipping insertion in model container [2023-11-26 11:54:02,454 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:53:59" (2/3) ... [2023-11-26 11:54:02,455 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3c429e60 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.11 11:54:02, skipping insertion in model container [2023-11-26 11:54:02,456 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 11:54:02" (3/3) ... [2023-11-26 11:54:02,457 INFO L112 eAbstractionObserver]: Analyzing ICFG popl20-more-buffer-series.wvr.c [2023-11-26 11:54:02,469 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2023-11-26 11:54:02,480 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-26 11:54:02,480 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 103 error locations. [2023-11-26 11:54:02,481 INFO L514 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-11-26 11:54:02,677 INFO L144 ThreadInstanceAdder]: Constructed 4 joinOtherThreadTransitions. [2023-11-26 11:54:02,729 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 469 places, 478 transitions, 984 flow [2023-11-26 11:54:02,949 INFO L124 PetriNetUnfolderBase]: 22/474 cut-off events. [2023-11-26 11:54:02,949 INFO L125 PetriNetUnfolderBase]: For 4/4 co-relation queries the response was YES. [2023-11-26 11:54:02,963 INFO L83 FinitePrefix]: Finished finitePrefix Result has 491 conditions, 474 events. 22/474 cut-off events. For 4/4 co-relation queries the response was YES. Maximal size of possible extension queue 18. Compared 679 event pairs, 0 based on Foata normal form. 0/349 useless extension candidates. Maximal degree in co-relation 385. Up to 2 conditions per place. [2023-11-26 11:54:02,964 INFO L82 GeneralOperation]: Start removeDead. Operand has 469 places, 478 transitions, 984 flow [2023-11-26 11:54:02,985 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 441 places, 449 transitions, 922 flow [2023-11-26 11:54:03,001 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-26 11:54:03,009 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;@9603630, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-26 11:54:03,010 INFO L358 AbstractCegarLoop]: Starting to check reachability of 186 error locations. [2023-11-26 11:54:03,021 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2023-11-26 11:54:03,021 INFO L124 PetriNetUnfolderBase]: 0/30 cut-off events. [2023-11-26 11:54:03,021 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2023-11-26 11:54:03,021 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-26 11:54:03,022 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] [2023-11-26 11:54:03,023 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 182 more)] === [2023-11-26 11:54:03,031 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 11:54:03,031 INFO L85 PathProgramCache]: Analyzing trace with hash -199934051, now seen corresponding path program 1 times [2023-11-26 11:54:03,046 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 11:54:03,047 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [564395378] [2023-11-26 11:54:03,048 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 11:54:03,048 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 11:54:03,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:54:03,401 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-26 11:54:03,402 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 11:54:03,402 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [564395378] [2023-11-26 11:54:03,403 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [564395378] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 11:54:03,403 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-26 11:54:03,404 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-26 11:54:03,405 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1285826403] [2023-11-26 11:54:03,406 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 11:54:03,417 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-26 11:54:03,427 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 11:54:03,458 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-26 11:54:03,459 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-26 11:54:03,493 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 352 out of 478 [2023-11-26 11:54:03,502 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 441 places, 449 transitions, 922 flow. Second operand has 3 states, 3 states have (on average 353.3333333333333) internal successors, (1060), 3 states have internal predecessors, (1060), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 11:54:03,502 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-26 11:54:03,502 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 352 of 478 [2023-11-26 11:54:03,503 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-26 11:54:04,469 INFO L124 PetriNetUnfolderBase]: 745/1780 cut-off events. [2023-11-26 11:54:04,469 INFO L125 PetriNetUnfolderBase]: For 243/371 co-relation queries the response was YES. [2023-11-26 11:54:04,478 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2983 conditions, 1780 events. 745/1780 cut-off events. For 243/371 co-relation queries the response was YES. Maximal size of possible extension queue 91. Compared 9128 event pairs, 485 based on Foata normal form. 267/1864 useless extension candidates. Maximal degree in co-relation 2527. Up to 1009 conditions per place. [2023-11-26 11:54:04,496 INFO L140 encePairwiseOnDemand]: 382/478 looper letters, 27 selfloop transitions, 2 changer transitions 7/355 dead transitions. [2023-11-26 11:54:04,496 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 363 places, 355 transitions, 792 flow [2023-11-26 11:54:04,498 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-26 11:54:04,501 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-26 11:54:04,514 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1179 transitions. [2023-11-26 11:54:04,519 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.8221757322175732 [2023-11-26 11:54:04,520 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1179 transitions. [2023-11-26 11:54:04,521 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1179 transitions. [2023-11-26 11:54:04,524 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-26 11:54:04,527 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1179 transitions. [2023-11-26 11:54:04,535 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 393.0) internal successors, (1179), 3 states have internal predecessors, (1179), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 11:54:04,544 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 478.0) internal successors, (1912), 4 states have internal predecessors, (1912), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 11:54:04,547 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 478.0) internal successors, (1912), 4 states have internal predecessors, (1912), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 11:54:04,549 INFO L175 Difference]: Start difference. First operand has 441 places, 449 transitions, 922 flow. Second operand 3 states and 1179 transitions. [2023-11-26 11:54:04,551 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 363 places, 355 transitions, 792 flow [2023-11-26 11:54:04,560 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 355 places, 355 transitions, 776 flow, removed 0 selfloop flow, removed 8 redundant places. [2023-11-26 11:54:04,569 INFO L231 Difference]: Finished difference. Result has 355 places, 348 transitions, 708 flow [2023-11-26 11:54:04,573 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=478, PETRI_DIFFERENCE_MINUEND_FLOW=718, PETRI_DIFFERENCE_MINUEND_PLACES=353, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=355, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=353, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=708, PETRI_PLACES=355, PETRI_TRANSITIONS=348} [2023-11-26 11:54:04,576 INFO L281 CegarLoopForPetriNet]: 441 programPoint places, -86 predicate places. [2023-11-26 11:54:04,577 INFO L495 AbstractCegarLoop]: Abstraction has has 355 places, 348 transitions, 708 flow [2023-11-26 11:54:04,578 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 353.3333333333333) internal successors, (1060), 3 states have internal predecessors, (1060), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 11:54:04,578 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-26 11:54:04,579 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] [2023-11-26 11:54:04,579 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-26 11:54:04,579 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 182 more)] === [2023-11-26 11:54:04,580 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 11:54:04,580 INFO L85 PathProgramCache]: Analyzing trace with hash -918586815, now seen corresponding path program 1 times [2023-11-26 11:54:04,580 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 11:54:04,581 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [771551271] [2023-11-26 11:54:04,581 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 11:54:04,581 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 11:54:04,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:54:04,659 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-26 11:54:04,660 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 11:54:04,660 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [771551271] [2023-11-26 11:54:04,660 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [771551271] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 11:54:04,661 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-26 11:54:04,661 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-26 11:54:04,661 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [104975919] [2023-11-26 11:54:04,661 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 11:54:04,663 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-26 11:54:04,663 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 11:54:04,664 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-26 11:54:04,664 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-26 11:54:04,678 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 353 out of 478 [2023-11-26 11:54:04,681 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 355 places, 348 transitions, 708 flow. Second operand has 3 states, 3 states have (on average 354.3333333333333) internal successors, (1063), 3 states have internal predecessors, (1063), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 11:54:04,681 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-26 11:54:04,681 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 353 of 478 [2023-11-26 11:54:04,681 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-26 11:54:05,516 INFO L124 PetriNetUnfolderBase]: 745/1772 cut-off events. [2023-11-26 11:54:05,517 INFO L125 PetriNetUnfolderBase]: For 49/177 co-relation queries the response was YES. [2023-11-26 11:54:05,523 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2855 conditions, 1772 events. 745/1772 cut-off events. For 49/177 co-relation queries the response was YES. Maximal size of possible extension queue 91. Compared 9109 event pairs, 485 based on Foata normal form. 0/1597 useless extension candidates. Maximal degree in co-relation 2816. Up to 1008 conditions per place. [2023-11-26 11:54:05,537 INFO L140 encePairwiseOnDemand]: 475/478 looper letters, 26 selfloop transitions, 2 changer transitions 0/347 dead transitions. [2023-11-26 11:54:05,538 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 349 places, 347 transitions, 762 flow [2023-11-26 11:54:05,538 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-26 11:54:05,538 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-26 11:54:05,541 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1088 transitions. [2023-11-26 11:54:05,542 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.7587168758716876 [2023-11-26 11:54:05,543 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1088 transitions. [2023-11-26 11:54:05,543 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1088 transitions. [2023-11-26 11:54:05,544 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-26 11:54:05,544 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1088 transitions. [2023-11-26 11:54:05,548 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 362.6666666666667) internal successors, (1088), 3 states have internal predecessors, (1088), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 11:54:05,552 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 478.0) internal successors, (1912), 4 states have internal predecessors, (1912), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 11:54:05,554 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 478.0) internal successors, (1912), 4 states have internal predecessors, (1912), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 11:54:05,555 INFO L175 Difference]: Start difference. First operand has 355 places, 348 transitions, 708 flow. Second operand 3 states and 1088 transitions. [2023-11-26 11:54:05,555 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 349 places, 347 transitions, 762 flow [2023-11-26 11:54:05,558 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 347 places, 347 transitions, 758 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-11-26 11:54:05,565 INFO L231 Difference]: Finished difference. Result has 347 places, 347 transitions, 706 flow [2023-11-26 11:54:05,566 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=478, PETRI_DIFFERENCE_MINUEND_FLOW=702, PETRI_DIFFERENCE_MINUEND_PLACES=345, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=347, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=345, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=706, PETRI_PLACES=347, PETRI_TRANSITIONS=347} [2023-11-26 11:54:05,567 INFO L281 CegarLoopForPetriNet]: 441 programPoint places, -94 predicate places. [2023-11-26 11:54:05,567 INFO L495 AbstractCegarLoop]: Abstraction has has 347 places, 347 transitions, 706 flow [2023-11-26 11:54:05,568 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 354.3333333333333) internal successors, (1063), 3 states have internal predecessors, (1063), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 11:54:05,569 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-26 11:54:05,569 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] [2023-11-26 11:54:05,569 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-11-26 11:54:05,570 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 182 more)] === [2023-11-26 11:54:05,570 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 11:54:05,570 INFO L85 PathProgramCache]: Analyzing trace with hash -1728768623, now seen corresponding path program 1 times [2023-11-26 11:54:05,570 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 11:54:05,571 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1677034462] [2023-11-26 11:54:05,571 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 11:54:05,571 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 11:54:05,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:54:05,681 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-26 11:54:05,681 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 11:54:05,681 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1677034462] [2023-11-26 11:54:05,682 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1677034462] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 11:54:05,682 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-26 11:54:05,682 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-26 11:54:05,682 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1457812029] [2023-11-26 11:54:05,682 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 11:54:05,683 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-26 11:54:05,698 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 11:54:05,698 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-26 11:54:05,699 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-26 11:54:05,713 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 353 out of 478 [2023-11-26 11:54:05,715 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 347 places, 347 transitions, 706 flow. Second operand has 3 states, 3 states have (on average 354.3333333333333) internal successors, (1063), 3 states have internal predecessors, (1063), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 11:54:05,715 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-26 11:54:05,715 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 353 of 478 [2023-11-26 11:54:05,716 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-26 11:54:06,430 INFO L124 PetriNetUnfolderBase]: 745/1771 cut-off events. [2023-11-26 11:54:06,431 INFO L125 PetriNetUnfolderBase]: For 49/177 co-relation queries the response was YES. [2023-11-26 11:54:06,437 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2854 conditions, 1771 events. 745/1771 cut-off events. For 49/177 co-relation queries the response was YES. Maximal size of possible extension queue 91. Compared 9142 event pairs, 485 based on Foata normal form. 0/1597 useless extension candidates. Maximal degree in co-relation 2807. Up to 1008 conditions per place. [2023-11-26 11:54:06,453 INFO L140 encePairwiseOnDemand]: 475/478 looper letters, 26 selfloop transitions, 2 changer transitions 0/346 dead transitions. [2023-11-26 11:54:06,453 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 348 places, 346 transitions, 760 flow [2023-11-26 11:54:06,454 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-26 11:54:06,454 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-26 11:54:06,457 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1088 transitions. [2023-11-26 11:54:06,458 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.7587168758716876 [2023-11-26 11:54:06,459 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1088 transitions. [2023-11-26 11:54:06,459 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1088 transitions. [2023-11-26 11:54:06,460 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-26 11:54:06,460 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1088 transitions. [2023-11-26 11:54:06,464 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 362.6666666666667) internal successors, (1088), 3 states have internal predecessors, (1088), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 11:54:06,469 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 478.0) internal successors, (1912), 4 states have internal predecessors, (1912), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 11:54:06,471 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 478.0) internal successors, (1912), 4 states have internal predecessors, (1912), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 11:54:06,472 INFO L175 Difference]: Start difference. First operand has 347 places, 347 transitions, 706 flow. Second operand 3 states and 1088 transitions. [2023-11-26 11:54:06,472 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 348 places, 346 transitions, 760 flow [2023-11-26 11:54:06,476 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 346 places, 346 transitions, 756 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-11-26 11:54:06,482 INFO L231 Difference]: Finished difference. Result has 346 places, 346 transitions, 704 flow [2023-11-26 11:54:06,483 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=478, PETRI_DIFFERENCE_MINUEND_FLOW=700, PETRI_DIFFERENCE_MINUEND_PLACES=344, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=346, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=344, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=704, PETRI_PLACES=346, PETRI_TRANSITIONS=346} [2023-11-26 11:54:06,485 INFO L281 CegarLoopForPetriNet]: 441 programPoint places, -95 predicate places. [2023-11-26 11:54:06,485 INFO L495 AbstractCegarLoop]: Abstraction has has 346 places, 346 transitions, 704 flow [2023-11-26 11:54:06,486 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 354.3333333333333) internal successors, (1063), 3 states have internal predecessors, (1063), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 11:54:06,487 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-26 11:54:06,487 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] [2023-11-26 11:54:06,487 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-11-26 11:54:06,487 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 182 more)] === [2023-11-26 11:54:06,491 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 11:54:06,491 INFO L85 PathProgramCache]: Analyzing trace with hash -748680843, now seen corresponding path program 1 times [2023-11-26 11:54:06,491 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 11:54:06,492 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [365335614] [2023-11-26 11:54:06,492 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 11:54:06,492 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 11:54:06,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:54:06,607 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-26 11:54:06,607 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 11:54:06,608 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [365335614] [2023-11-26 11:54:06,608 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [365335614] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 11:54:06,608 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-26 11:54:06,608 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-26 11:54:06,609 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1378543983] [2023-11-26 11:54:06,609 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 11:54:06,609 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-26 11:54:06,610 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 11:54:06,610 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-26 11:54:06,611 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-26 11:54:06,626 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 353 out of 478 [2023-11-26 11:54:06,628 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 346 places, 346 transitions, 704 flow. Second operand has 3 states, 3 states have (on average 354.3333333333333) internal successors, (1063), 3 states have internal predecessors, (1063), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 11:54:06,628 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-26 11:54:06,629 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 353 of 478 [2023-11-26 11:54:06,629 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-26 11:54:07,293 INFO L124 PetriNetUnfolderBase]: 745/1770 cut-off events. [2023-11-26 11:54:07,293 INFO L125 PetriNetUnfolderBase]: For 49/177 co-relation queries the response was YES. [2023-11-26 11:54:07,299 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2853 conditions, 1770 events. 745/1770 cut-off events. For 49/177 co-relation queries the response was YES. Maximal size of possible extension queue 91. Compared 9116 event pairs, 485 based on Foata normal form. 0/1597 useless extension candidates. Maximal degree in co-relation 2798. Up to 1008 conditions per place. [2023-11-26 11:54:07,313 INFO L140 encePairwiseOnDemand]: 475/478 looper letters, 26 selfloop transitions, 2 changer transitions 0/345 dead transitions. [2023-11-26 11:54:07,313 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 347 places, 345 transitions, 758 flow [2023-11-26 11:54:07,313 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-26 11:54:07,314 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-26 11:54:07,316 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1088 transitions. [2023-11-26 11:54:07,317 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.7587168758716876 [2023-11-26 11:54:07,318 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1088 transitions. [2023-11-26 11:54:07,318 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1088 transitions. [2023-11-26 11:54:07,319 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-26 11:54:07,319 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1088 transitions. [2023-11-26 11:54:07,323 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 362.6666666666667) internal successors, (1088), 3 states have internal predecessors, (1088), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 11:54:07,327 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 478.0) internal successors, (1912), 4 states have internal predecessors, (1912), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 11:54:07,329 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 478.0) internal successors, (1912), 4 states have internal predecessors, (1912), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 11:54:07,330 INFO L175 Difference]: Start difference. First operand has 346 places, 346 transitions, 704 flow. Second operand 3 states and 1088 transitions. [2023-11-26 11:54:07,330 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 347 places, 345 transitions, 758 flow [2023-11-26 11:54:07,333 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 345 places, 345 transitions, 754 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-11-26 11:54:07,339 INFO L231 Difference]: Finished difference. Result has 345 places, 345 transitions, 702 flow [2023-11-26 11:54:07,340 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=478, PETRI_DIFFERENCE_MINUEND_FLOW=698, PETRI_DIFFERENCE_MINUEND_PLACES=343, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=345, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=343, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=702, PETRI_PLACES=345, PETRI_TRANSITIONS=345} [2023-11-26 11:54:07,341 INFO L281 CegarLoopForPetriNet]: 441 programPoint places, -96 predicate places. [2023-11-26 11:54:07,341 INFO L495 AbstractCegarLoop]: Abstraction has has 345 places, 345 transitions, 702 flow [2023-11-26 11:54:07,342 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 354.3333333333333) internal successors, (1063), 3 states have internal predecessors, (1063), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 11:54:07,343 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-26 11:54:07,343 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] [2023-11-26 11:54:07,343 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-11-26 11:54:07,343 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 182 more)] === [2023-11-26 11:54:07,344 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 11:54:07,344 INFO L85 PathProgramCache]: Analyzing trace with hash -1404981593, now seen corresponding path program 1 times [2023-11-26 11:54:07,344 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 11:54:07,344 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2066836013] [2023-11-26 11:54:07,345 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 11:54:07,345 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 11:54:07,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:54:07,399 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-26 11:54:07,399 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 11:54:07,399 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2066836013] [2023-11-26 11:54:07,399 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2066836013] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 11:54:07,400 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-26 11:54:07,400 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-26 11:54:07,400 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [821580031] [2023-11-26 11:54:07,400 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 11:54:07,401 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-26 11:54:07,401 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 11:54:07,402 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-26 11:54:07,402 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-26 11:54:07,412 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 357 out of 478 [2023-11-26 11:54:07,414 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 345 places, 345 transitions, 702 flow. Second operand has 3 states, 3 states have (on average 358.0) internal successors, (1074), 3 states have internal predecessors, (1074), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 11:54:07,414 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-26 11:54:07,414 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 357 of 478 [2023-11-26 11:54:07,414 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-26 11:54:08,330 INFO L124 PetriNetUnfolderBase]: 982/2706 cut-off events. [2023-11-26 11:54:08,330 INFO L125 PetriNetUnfolderBase]: For 69/176 co-relation queries the response was YES. [2023-11-26 11:54:08,339 INFO L83 FinitePrefix]: Finished finitePrefix Result has 4122 conditions, 2706 events. 982/2706 cut-off events. For 69/176 co-relation queries the response was YES. Maximal size of possible extension queue 133. Compared 17874 event pairs, 392 based on Foata normal form. 0/2411 useless extension candidates. Maximal degree in co-relation 4059. Up to 714 conditions per place. [2023-11-26 11:54:08,361 INFO L140 encePairwiseOnDemand]: 475/478 looper letters, 40 selfloop transitions, 2 changer transitions 0/361 dead transitions. [2023-11-26 11:54:08,362 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 346 places, 361 transitions, 823 flow [2023-11-26 11:54:08,362 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-26 11:54:08,362 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-26 11:54:08,365 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1114 transitions. [2023-11-26 11:54:08,366 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.7768479776847977 [2023-11-26 11:54:08,367 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1114 transitions. [2023-11-26 11:54:08,367 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1114 transitions. [2023-11-26 11:54:08,368 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-26 11:54:08,368 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1114 transitions. [2023-11-26 11:54:08,372 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 371.3333333333333) internal successors, (1114), 3 states have internal predecessors, (1114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 11:54:08,377 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 478.0) internal successors, (1912), 4 states have internal predecessors, (1912), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 11:54:08,378 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 478.0) internal successors, (1912), 4 states have internal predecessors, (1912), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 11:54:08,379 INFO L175 Difference]: Start difference. First operand has 345 places, 345 transitions, 702 flow. Second operand 3 states and 1114 transitions. [2023-11-26 11:54:08,379 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 346 places, 361 transitions, 823 flow [2023-11-26 11:54:08,382 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 344 places, 361 transitions, 819 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-11-26 11:54:08,394 INFO L231 Difference]: Finished difference. Result has 345 places, 345 transitions, 706 flow [2023-11-26 11:54:08,395 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=478, PETRI_DIFFERENCE_MINUEND_FLOW=696, PETRI_DIFFERENCE_MINUEND_PLACES=342, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=344, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=342, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=706, PETRI_PLACES=345, PETRI_TRANSITIONS=345} [2023-11-26 11:54:08,398 INFO L281 CegarLoopForPetriNet]: 441 programPoint places, -96 predicate places. [2023-11-26 11:54:08,398 INFO L495 AbstractCegarLoop]: Abstraction has has 345 places, 345 transitions, 706 flow [2023-11-26 11:54:08,399 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 358.0) internal successors, (1074), 3 states have internal predecessors, (1074), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 11:54:08,400 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-26 11:54:08,400 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] [2023-11-26 11:54:08,400 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2023-11-26 11:54:08,401 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 182 more)] === [2023-11-26 11:54:08,402 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 11:54:08,402 INFO L85 PathProgramCache]: Analyzing trace with hash 1154980913, now seen corresponding path program 1 times [2023-11-26 11:54:08,402 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 11:54:08,403 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [679315291] [2023-11-26 11:54:08,403 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 11:54:08,403 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 11:54:08,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:54:08,513 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-26 11:54:08,518 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 11:54:08,518 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [679315291] [2023-11-26 11:54:08,518 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [679315291] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 11:54:08,518 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-26 11:54:08,519 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-26 11:54:08,519 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [484886506] [2023-11-26 11:54:08,519 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 11:54:08,521 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-26 11:54:08,522 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 11:54:08,523 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-26 11:54:08,523 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-26 11:54:08,535 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 354 out of 478 [2023-11-26 11:54:08,538 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 345 places, 345 transitions, 706 flow. Second operand has 3 states, 3 states have (on average 355.3333333333333) internal successors, (1066), 3 states have internal predecessors, (1066), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 11:54:08,538 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-26 11:54:08,538 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 354 of 478 [2023-11-26 11:54:08,538 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-26 11:54:09,479 INFO L124 PetriNetUnfolderBase]: 982/2431 cut-off events. [2023-11-26 11:54:09,480 INFO L125 PetriNetUnfolderBase]: For 227/368 co-relation queries the response was YES. [2023-11-26 11:54:09,488 INFO L83 FinitePrefix]: Finished finitePrefix Result has 4086 conditions, 2431 events. 982/2431 cut-off events. For 227/368 co-relation queries the response was YES. Maximal size of possible extension queue 124. Compared 14957 event pairs, 665 based on Foata normal form. 0/2173 useless extension candidates. Maximal degree in co-relation 2132. Up to 1327 conditions per place. [2023-11-26 11:54:09,503 INFO L140 encePairwiseOnDemand]: 475/478 looper letters, 26 selfloop transitions, 2 changer transitions 0/344 dead transitions. [2023-11-26 11:54:09,503 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 346 places, 344 transitions, 760 flow [2023-11-26 11:54:09,504 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-26 11:54:09,504 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-26 11:54:09,507 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1090 transitions. [2023-11-26 11:54:09,508 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.7601115760111576 [2023-11-26 11:54:09,508 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1090 transitions. [2023-11-26 11:54:09,508 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1090 transitions. [2023-11-26 11:54:09,509 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-26 11:54:09,509 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1090 transitions. [2023-11-26 11:54:09,512 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 363.3333333333333) internal successors, (1090), 3 states have internal predecessors, (1090), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 11:54:09,516 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 478.0) internal successors, (1912), 4 states have internal predecessors, (1912), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 11:54:09,518 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 478.0) internal successors, (1912), 4 states have internal predecessors, (1912), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 11:54:09,518 INFO L175 Difference]: Start difference. First operand has 345 places, 345 transitions, 706 flow. Second operand 3 states and 1090 transitions. [2023-11-26 11:54:09,518 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 346 places, 344 transitions, 760 flow [2023-11-26 11:54:09,522 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 345 places, 344 transitions, 758 flow, removed 0 selfloop flow, removed 1 redundant places. [2023-11-26 11:54:09,527 INFO L231 Difference]: Finished difference. Result has 345 places, 344 transitions, 706 flow [2023-11-26 11:54:09,528 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=478, PETRI_DIFFERENCE_MINUEND_FLOW=702, PETRI_DIFFERENCE_MINUEND_PLACES=343, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=344, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=342, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=706, PETRI_PLACES=345, PETRI_TRANSITIONS=344} [2023-11-26 11:54:09,529 INFO L281 CegarLoopForPetriNet]: 441 programPoint places, -96 predicate places. [2023-11-26 11:54:09,529 INFO L495 AbstractCegarLoop]: Abstraction has has 345 places, 344 transitions, 706 flow [2023-11-26 11:54:09,530 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 355.3333333333333) internal successors, (1066), 3 states have internal predecessors, (1066), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 11:54:09,530 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-26 11:54:09,531 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] [2023-11-26 11:54:09,531 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2023-11-26 11:54:09,531 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 182 more)] === [2023-11-26 11:54:09,532 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 11:54:09,532 INFO L85 PathProgramCache]: Analyzing trace with hash 1517481451, now seen corresponding path program 1 times [2023-11-26 11:54:09,532 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 11:54:09,532 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [852664684] [2023-11-26 11:54:09,532 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 11:54:09,533 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 11:54:09,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:54:09,598 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-26 11:54:09,598 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 11:54:09,599 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [852664684] [2023-11-26 11:54:09,599 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [852664684] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 11:54:09,599 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-26 11:54:09,599 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-26 11:54:09,600 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [684864736] [2023-11-26 11:54:09,600 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 11:54:09,600 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-26 11:54:09,601 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 11:54:09,601 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-26 11:54:09,601 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-26 11:54:09,623 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 353 out of 478 [2023-11-26 11:54:09,625 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 345 places, 344 transitions, 706 flow. Second operand has 3 states, 3 states have (on average 354.3333333333333) internal successors, (1063), 3 states have internal predecessors, (1063), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 11:54:09,625 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-26 11:54:09,625 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 353 of 478 [2023-11-26 11:54:09,625 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-26 11:54:10,332 INFO L124 PetriNetUnfolderBase]: 982/2430 cut-off events. [2023-11-26 11:54:10,332 INFO L125 PetriNetUnfolderBase]: For 226/367 co-relation queries the response was YES. [2023-11-26 11:54:10,343 INFO L83 FinitePrefix]: Finished finitePrefix Result has 4009 conditions, 2430 events. 982/2430 cut-off events. For 226/367 co-relation queries the response was YES. Maximal size of possible extension queue 123. Compared 15070 event pairs, 665 based on Foata normal form. 0/2173 useless extension candidates. Maximal degree in co-relation 3937. Up to 1328 conditions per place. [2023-11-26 11:54:10,359 INFO L140 encePairwiseOnDemand]: 475/478 looper letters, 27 selfloop transitions, 2 changer transitions 0/343 dead transitions. [2023-11-26 11:54:10,359 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 346 places, 343 transitions, 762 flow [2023-11-26 11:54:10,360 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-26 11:54:10,360 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-26 11:54:10,362 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1088 transitions. [2023-11-26 11:54:10,363 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.7587168758716876 [2023-11-26 11:54:10,364 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1088 transitions. [2023-11-26 11:54:10,364 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1088 transitions. [2023-11-26 11:54:10,365 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-26 11:54:10,365 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1088 transitions. [2023-11-26 11:54:10,368 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 362.6666666666667) internal successors, (1088), 3 states have internal predecessors, (1088), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 11:54:10,372 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 478.0) internal successors, (1912), 4 states have internal predecessors, (1912), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 11:54:10,373 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 478.0) internal successors, (1912), 4 states have internal predecessors, (1912), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 11:54:10,373 INFO L175 Difference]: Start difference. First operand has 345 places, 344 transitions, 706 flow. Second operand 3 states and 1088 transitions. [2023-11-26 11:54:10,373 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 346 places, 343 transitions, 762 flow [2023-11-26 11:54:10,376 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 344 places, 343 transitions, 758 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-11-26 11:54:10,382 INFO L231 Difference]: Finished difference. Result has 344 places, 343 transitions, 704 flow [2023-11-26 11:54:10,383 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=478, PETRI_DIFFERENCE_MINUEND_FLOW=700, PETRI_DIFFERENCE_MINUEND_PLACES=342, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=343, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=341, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=704, PETRI_PLACES=344, PETRI_TRANSITIONS=343} [2023-11-26 11:54:10,384 INFO L281 CegarLoopForPetriNet]: 441 programPoint places, -97 predicate places. [2023-11-26 11:54:10,384 INFO L495 AbstractCegarLoop]: Abstraction has has 344 places, 343 transitions, 704 flow [2023-11-26 11:54:10,385 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 354.3333333333333) internal successors, (1063), 3 states have internal predecessors, (1063), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 11:54:10,385 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-26 11:54:10,385 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] [2023-11-26 11:54:10,385 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2023-11-26 11:54:10,386 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 182 more)] === [2023-11-26 11:54:10,386 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 11:54:10,386 INFO L85 PathProgramCache]: Analyzing trace with hash -297870246, now seen corresponding path program 1 times [2023-11-26 11:54:10,386 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 11:54:10,387 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1608910775] [2023-11-26 11:54:10,387 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 11:54:10,387 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 11:54:10,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:54:10,515 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-26 11:54:10,515 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 11:54:10,515 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1608910775] [2023-11-26 11:54:10,515 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1608910775] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 11:54:10,516 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-26 11:54:10,516 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-26 11:54:10,516 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [916997244] [2023-11-26 11:54:10,516 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 11:54:10,516 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-26 11:54:10,517 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 11:54:10,517 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-26 11:54:10,518 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-26 11:54:10,527 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 357 out of 478 [2023-11-26 11:54:10,528 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 344 places, 343 transitions, 704 flow. Second operand has 3 states, 3 states have (on average 358.0) internal successors, (1074), 3 states have internal predecessors, (1074), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 11:54:10,528 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-26 11:54:10,528 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 357 of 478 [2023-11-26 11:54:10,529 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-26 11:54:11,572 INFO L124 PetriNetUnfolderBase]: 1232/3121 cut-off events. [2023-11-26 11:54:11,572 INFO L125 PetriNetUnfolderBase]: For 293/428 co-relation queries the response was YES. [2023-11-26 11:54:11,582 INFO L83 FinitePrefix]: Finished finitePrefix Result has 5077 conditions, 3121 events. 1232/3121 cut-off events. For 293/428 co-relation queries the response was YES. Maximal size of possible extension queue 154. Compared 20460 event pairs, 494 based on Foata normal form. 0/2808 useless extension candidates. Maximal degree in co-relation 4997. Up to 903 conditions per place. [2023-11-26 11:54:11,603 INFO L140 encePairwiseOnDemand]: 475/478 looper letters, 41 selfloop transitions, 2 changer transitions 0/359 dead transitions. [2023-11-26 11:54:11,603 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 345 places, 359 transitions, 830 flow [2023-11-26 11:54:11,604 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-26 11:54:11,604 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-26 11:54:11,607 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1113 transitions. [2023-11-26 11:54:11,608 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.7761506276150628 [2023-11-26 11:54:11,608 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1113 transitions. [2023-11-26 11:54:11,608 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1113 transitions. [2023-11-26 11:54:11,609 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-26 11:54:11,609 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1113 transitions. [2023-11-26 11:54:11,612 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 371.0) internal successors, (1113), 3 states have internal predecessors, (1113), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 11:54:11,616 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 478.0) internal successors, (1912), 4 states have internal predecessors, (1912), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 11:54:11,617 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 478.0) internal successors, (1912), 4 states have internal predecessors, (1912), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 11:54:11,617 INFO L175 Difference]: Start difference. First operand has 344 places, 343 transitions, 704 flow. Second operand 3 states and 1113 transitions. [2023-11-26 11:54:11,617 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 345 places, 359 transitions, 830 flow [2023-11-26 11:54:11,621 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 343 places, 359 transitions, 826 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-11-26 11:54:11,626 INFO L231 Difference]: Finished difference. Result has 344 places, 343 transitions, 708 flow [2023-11-26 11:54:11,627 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=478, PETRI_DIFFERENCE_MINUEND_FLOW=698, PETRI_DIFFERENCE_MINUEND_PLACES=341, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=342, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=340, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=708, PETRI_PLACES=344, PETRI_TRANSITIONS=343} [2023-11-26 11:54:11,630 INFO L281 CegarLoopForPetriNet]: 441 programPoint places, -97 predicate places. [2023-11-26 11:54:11,630 INFO L495 AbstractCegarLoop]: Abstraction has has 344 places, 343 transitions, 708 flow [2023-11-26 11:54:11,631 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 358.0) internal successors, (1074), 3 states have internal predecessors, (1074), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 11:54:11,631 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-26 11:54:11,631 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] [2023-11-26 11:54:11,632 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2023-11-26 11:54:11,636 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 182 more)] === [2023-11-26 11:54:11,636 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 11:54:11,636 INFO L85 PathProgramCache]: Analyzing trace with hash -995984822, now seen corresponding path program 1 times [2023-11-26 11:54:11,637 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 11:54:11,637 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1336416427] [2023-11-26 11:54:11,637 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 11:54:11,637 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 11:54:11,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:54:11,681 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-26 11:54:11,681 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 11:54:11,681 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1336416427] [2023-11-26 11:54:11,681 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1336416427] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 11:54:11,682 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-26 11:54:11,682 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-26 11:54:11,682 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [418478625] [2023-11-26 11:54:11,682 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 11:54:11,682 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-26 11:54:11,683 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 11:54:11,683 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-26 11:54:11,683 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-26 11:54:11,693 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 354 out of 478 [2023-11-26 11:54:11,694 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 344 places, 343 transitions, 708 flow. Second operand has 3 states, 3 states have (on average 355.3333333333333) internal successors, (1066), 3 states have internal predecessors, (1066), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 11:54:11,695 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-26 11:54:11,695 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 354 of 478 [2023-11-26 11:54:11,695 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-26 11:54:12,726 INFO L124 PetriNetUnfolderBase]: 1232/3116 cut-off events. [2023-11-26 11:54:12,726 INFO L125 PetriNetUnfolderBase]: For 465/626 co-relation queries the response was YES. [2023-11-26 11:54:12,739 INFO L83 FinitePrefix]: Finished finitePrefix Result has 5332 conditions, 3116 events. 1232/3116 cut-off events. For 465/626 co-relation queries the response was YES. Maximal size of possible extension queue 167. Compared 21561 event pairs, 858 based on Foata normal form. 0/2769 useless extension candidates. Maximal degree in co-relation 3076. Up to 1665 conditions per place. [2023-11-26 11:54:12,760 INFO L140 encePairwiseOnDemand]: 475/478 looper letters, 27 selfloop transitions, 2 changer transitions 0/342 dead transitions. [2023-11-26 11:54:12,760 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 345 places, 342 transitions, 764 flow [2023-11-26 11:54:12,761 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-26 11:54:12,761 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-26 11:54:12,764 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1090 transitions. [2023-11-26 11:54:12,765 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.7601115760111576 [2023-11-26 11:54:12,765 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1090 transitions. [2023-11-26 11:54:12,765 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1090 transitions. [2023-11-26 11:54:12,766 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-26 11:54:12,767 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1090 transitions. [2023-11-26 11:54:12,770 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 363.3333333333333) internal successors, (1090), 3 states have internal predecessors, (1090), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 11:54:12,774 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 478.0) internal successors, (1912), 4 states have internal predecessors, (1912), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 11:54:12,775 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 478.0) internal successors, (1912), 4 states have internal predecessors, (1912), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 11:54:12,776 INFO L175 Difference]: Start difference. First operand has 344 places, 343 transitions, 708 flow. Second operand 3 states and 1090 transitions. [2023-11-26 11:54:12,776 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 345 places, 342 transitions, 764 flow [2023-11-26 11:54:12,782 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 344 places, 342 transitions, 762 flow, removed 0 selfloop flow, removed 1 redundant places. [2023-11-26 11:54:12,789 INFO L231 Difference]: Finished difference. Result has 344 places, 342 transitions, 708 flow [2023-11-26 11:54:12,790 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=478, PETRI_DIFFERENCE_MINUEND_FLOW=704, PETRI_DIFFERENCE_MINUEND_PLACES=342, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=342, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=340, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=708, PETRI_PLACES=344, PETRI_TRANSITIONS=342} [2023-11-26 11:54:12,791 INFO L281 CegarLoopForPetriNet]: 441 programPoint places, -97 predicate places. [2023-11-26 11:54:12,791 INFO L495 AbstractCegarLoop]: Abstraction has has 344 places, 342 transitions, 708 flow [2023-11-26 11:54:12,792 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 355.3333333333333) internal successors, (1066), 3 states have internal predecessors, (1066), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 11:54:12,792 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-26 11:54:12,792 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] [2023-11-26 11:54:12,793 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2023-11-26 11:54:12,793 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 182 more)] === [2023-11-26 11:54:12,803 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 11:54:12,803 INFO L85 PathProgramCache]: Analyzing trace with hash -1747549243, now seen corresponding path program 1 times [2023-11-26 11:54:12,803 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 11:54:12,804 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1273257616] [2023-11-26 11:54:12,804 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 11:54:12,804 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 11:54:12,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:54:12,883 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-26 11:54:12,883 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 11:54:12,883 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1273257616] [2023-11-26 11:54:12,884 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1273257616] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 11:54:12,884 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-26 11:54:12,884 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-26 11:54:12,889 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1649644672] [2023-11-26 11:54:12,889 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 11:54:12,890 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-26 11:54:12,890 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 11:54:12,891 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-26 11:54:12,893 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-26 11:54:12,904 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 357 out of 478 [2023-11-26 11:54:12,906 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 344 places, 342 transitions, 708 flow. Second operand has 3 states, 3 states have (on average 358.0) internal successors, (1074), 3 states have internal predecessors, (1074), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 11:54:12,907 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-26 11:54:12,907 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 357 of 478 [2023-11-26 11:54:12,907 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-26 11:54:14,054 INFO L124 PetriNetUnfolderBase]: 1232/3115 cut-off events. [2023-11-26 11:54:14,054 INFO L125 PetriNetUnfolderBase]: For 464/625 co-relation queries the response was YES. [2023-11-26 11:54:14,066 INFO L83 FinitePrefix]: Finished finitePrefix Result has 5245 conditions, 3115 events. 1232/3115 cut-off events. For 464/625 co-relation queries the response was YES. Maximal size of possible extension queue 167. Compared 21561 event pairs, 858 based on Foata normal form. 0/2769 useless extension candidates. Maximal degree in co-relation 5156. Up to 1663 conditions per place. [2023-11-26 11:54:14,083 INFO L140 encePairwiseOnDemand]: 476/478 looper letters, 26 selfloop transitions, 1 changer transitions 0/341 dead transitions. [2023-11-26 11:54:14,083 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 345 places, 341 transitions, 760 flow [2023-11-26 11:54:14,084 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-26 11:54:14,084 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-26 11:54:14,086 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1097 transitions. [2023-11-26 11:54:14,087 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.7649930264993027 [2023-11-26 11:54:14,087 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1097 transitions. [2023-11-26 11:54:14,088 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1097 transitions. [2023-11-26 11:54:14,089 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-26 11:54:14,089 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1097 transitions. [2023-11-26 11:54:14,092 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 365.6666666666667) internal successors, (1097), 3 states have internal predecessors, (1097), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 11:54:14,096 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 478.0) internal successors, (1912), 4 states have internal predecessors, (1912), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 11:54:14,097 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 478.0) internal successors, (1912), 4 states have internal predecessors, (1912), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 11:54:14,097 INFO L175 Difference]: Start difference. First operand has 344 places, 342 transitions, 708 flow. Second operand 3 states and 1097 transitions. [2023-11-26 11:54:14,098 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 345 places, 341 transitions, 760 flow [2023-11-26 11:54:14,102 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 343 places, 341 transitions, 756 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-11-26 11:54:14,107 INFO L231 Difference]: Finished difference. Result has 343 places, 341 transitions, 704 flow [2023-11-26 11:54:14,108 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=478, PETRI_DIFFERENCE_MINUEND_FLOW=702, PETRI_DIFFERENCE_MINUEND_PLACES=341, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=341, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=340, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=704, PETRI_PLACES=343, PETRI_TRANSITIONS=341} [2023-11-26 11:54:14,109 INFO L281 CegarLoopForPetriNet]: 441 programPoint places, -98 predicate places. [2023-11-26 11:54:14,109 INFO L495 AbstractCegarLoop]: Abstraction has has 343 places, 341 transitions, 704 flow [2023-11-26 11:54:14,110 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 358.0) internal successors, (1074), 3 states have internal predecessors, (1074), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 11:54:14,110 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-26 11:54:14,111 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] [2023-11-26 11:54:14,111 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2023-11-26 11:54:14,111 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 182 more)] === [2023-11-26 11:54:14,111 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 11:54:14,112 INFO L85 PathProgramCache]: Analyzing trace with hash -1869210023, now seen corresponding path program 1 times [2023-11-26 11:54:14,112 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 11:54:14,112 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1985448453] [2023-11-26 11:54:14,112 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 11:54:14,112 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 11:54:14,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:54:14,704 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-26 11:54:14,704 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 11:54:14,704 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1985448453] [2023-11-26 11:54:14,704 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1985448453] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 11:54:14,704 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-26 11:54:14,705 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-26 11:54:14,705 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [935071351] [2023-11-26 11:54:14,705 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 11:54:14,706 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-26 11:54:14,706 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 11:54:14,706 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-26 11:54:14,707 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-11-26 11:54:15,041 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 303 out of 478 [2023-11-26 11:54:15,043 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 343 places, 341 transitions, 704 flow. Second operand has 6 states, 6 states have (on average 304.5) internal successors, (1827), 6 states have internal predecessors, (1827), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 11:54:15,044 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-26 11:54:15,044 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 303 of 478 [2023-11-26 11:54:15,044 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-26 11:54:18,304 INFO L124 PetriNetUnfolderBase]: 6256/10970 cut-off events. [2023-11-26 11:54:18,304 INFO L125 PetriNetUnfolderBase]: For 1824/1824 co-relation queries the response was YES. [2023-11-26 11:54:18,332 INFO L83 FinitePrefix]: Finished finitePrefix Result has 20895 conditions, 10970 events. 6256/10970 cut-off events. For 1824/1824 co-relation queries the response was YES. Maximal size of possible extension queue 463. Compared 76642 event pairs, 4626 based on Foata normal form. 0/10150 useless extension candidates. Maximal degree in co-relation 20807. Up to 8086 conditions per place. [2023-11-26 11:54:18,389 INFO L140 encePairwiseOnDemand]: 460/478 looper letters, 64 selfloop transitions, 15 changer transitions 0/338 dead transitions. [2023-11-26 11:54:18,390 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 345 places, 338 transitions, 856 flow [2023-11-26 11:54:18,390 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-26 11:54:18,390 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-11-26 11:54:18,395 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1898 transitions. [2023-11-26 11:54:18,397 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.6617852161785216 [2023-11-26 11:54:18,397 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 1898 transitions. [2023-11-26 11:54:18,397 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 1898 transitions. [2023-11-26 11:54:18,399 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-26 11:54:18,399 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 1898 transitions. [2023-11-26 11:54:18,404 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 316.3333333333333) internal successors, (1898), 6 states have internal predecessors, (1898), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 11:54:18,410 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 478.0) internal successors, (3346), 7 states have internal predecessors, (3346), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 11:54:18,412 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 478.0) internal successors, (3346), 7 states have internal predecessors, (3346), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 11:54:18,412 INFO L175 Difference]: Start difference. First operand has 343 places, 341 transitions, 704 flow. Second operand 6 states and 1898 transitions. [2023-11-26 11:54:18,412 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 345 places, 338 transitions, 856 flow [2023-11-26 11:54:18,416 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 344 places, 338 transitions, 855 flow, removed 0 selfloop flow, removed 1 redundant places. [2023-11-26 11:54:18,421 INFO L231 Difference]: Finished difference. Result has 344 places, 338 transitions, 727 flow [2023-11-26 11:54:18,422 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=478, PETRI_DIFFERENCE_MINUEND_FLOW=697, PETRI_DIFFERENCE_MINUEND_PLACES=339, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=338, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=15, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=323, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=727, PETRI_PLACES=344, PETRI_TRANSITIONS=338} [2023-11-26 11:54:18,423 INFO L281 CegarLoopForPetriNet]: 441 programPoint places, -97 predicate places. [2023-11-26 11:54:18,423 INFO L495 AbstractCegarLoop]: Abstraction has has 344 places, 338 transitions, 727 flow [2023-11-26 11:54:18,424 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 304.5) internal successors, (1827), 6 states have internal predecessors, (1827), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 11:54:18,424 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-26 11:54:18,425 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] [2023-11-26 11:54:18,425 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2023-11-26 11:54:18,425 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr11ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 182 more)] === [2023-11-26 11:54:18,425 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 11:54:18,426 INFO L85 PathProgramCache]: Analyzing trace with hash 1508406651, now seen corresponding path program 1 times [2023-11-26 11:54:18,426 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 11:54:18,426 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [278955276] [2023-11-26 11:54:18,426 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 11:54:18,427 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 11:54:18,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:54:18,476 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-26 11:54:18,477 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 11:54:18,477 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [278955276] [2023-11-26 11:54:18,477 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [278955276] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 11:54:18,477 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-26 11:54:18,477 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-26 11:54:18,478 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [458527771] [2023-11-26 11:54:18,478 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 11:54:18,478 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-26 11:54:18,479 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 11:54:18,479 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-26 11:54:18,479 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-26 11:54:18,487 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 354 out of 478 [2023-11-26 11:54:18,488 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 344 places, 338 transitions, 727 flow. Second operand has 3 states, 3 states have (on average 355.3333333333333) internal successors, (1066), 3 states have internal predecessors, (1066), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 11:54:18,488 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-26 11:54:18,488 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 354 of 478 [2023-11-26 11:54:18,489 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-26 11:54:19,675 INFO L124 PetriNetUnfolderBase]: 1232/3111 cut-off events. [2023-11-26 11:54:19,675 INFO L125 PetriNetUnfolderBase]: For 464/625 co-relation queries the response was YES. [2023-11-26 11:54:19,692 INFO L83 FinitePrefix]: Finished finitePrefix Result has 5257 conditions, 3111 events. 1232/3111 cut-off events. For 464/625 co-relation queries the response was YES. Maximal size of possible extension queue 167. Compared 21568 event pairs, 858 based on Foata normal form. 0/2769 useless extension candidates. Maximal degree in co-relation 5207. Up to 1665 conditions per place. [2023-11-26 11:54:19,713 INFO L140 encePairwiseOnDemand]: 475/478 looper letters, 27 selfloop transitions, 2 changer transitions 0/337 dead transitions. [2023-11-26 11:54:19,714 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 345 places, 337 transitions, 783 flow [2023-11-26 11:54:19,714 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-26 11:54:19,715 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-26 11:54:19,718 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1090 transitions. [2023-11-26 11:54:19,719 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.7601115760111576 [2023-11-26 11:54:19,719 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1090 transitions. [2023-11-26 11:54:19,719 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1090 transitions. [2023-11-26 11:54:19,720 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-26 11:54:19,721 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1090 transitions. [2023-11-26 11:54:19,724 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 363.3333333333333) internal successors, (1090), 3 states have internal predecessors, (1090), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 11:54:19,729 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 478.0) internal successors, (1912), 4 states have internal predecessors, (1912), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 11:54:19,730 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 478.0) internal successors, (1912), 4 states have internal predecessors, (1912), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 11:54:19,730 INFO L175 Difference]: Start difference. First operand has 344 places, 338 transitions, 727 flow. Second operand 3 states and 1090 transitions. [2023-11-26 11:54:19,730 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 345 places, 337 transitions, 783 flow [2023-11-26 11:54:19,736 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 340 places, 337 transitions, 753 flow, removed 0 selfloop flow, removed 5 redundant places. [2023-11-26 11:54:19,743 INFO L231 Difference]: Finished difference. Result has 340 places, 337 transitions, 699 flow [2023-11-26 11:54:19,744 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=478, PETRI_DIFFERENCE_MINUEND_FLOW=695, PETRI_DIFFERENCE_MINUEND_PLACES=338, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=337, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=335, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=699, PETRI_PLACES=340, PETRI_TRANSITIONS=337} [2023-11-26 11:54:19,745 INFO L281 CegarLoopForPetriNet]: 441 programPoint places, -101 predicate places. [2023-11-26 11:54:19,745 INFO L495 AbstractCegarLoop]: Abstraction has has 340 places, 337 transitions, 699 flow [2023-11-26 11:54:19,746 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 355.3333333333333) internal successors, (1066), 3 states have internal predecessors, (1066), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 11:54:19,746 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-26 11:54:19,746 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] [2023-11-26 11:54:19,747 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2023-11-26 11:54:19,747 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr12ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 182 more)] === [2023-11-26 11:54:19,747 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 11:54:19,748 INFO L85 PathProgramCache]: Analyzing trace with hash -1587349414, now seen corresponding path program 1 times [2023-11-26 11:54:19,748 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 11:54:19,748 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1811351365] [2023-11-26 11:54:19,748 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 11:54:19,749 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 11:54:19,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:54:19,813 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-26 11:54:19,813 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 11:54:19,814 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1811351365] [2023-11-26 11:54:19,819 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1811351365] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 11:54:19,819 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-26 11:54:19,819 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-26 11:54:19,820 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1049559116] [2023-11-26 11:54:19,820 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 11:54:19,820 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-26 11:54:19,821 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 11:54:19,822 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-26 11:54:19,822 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-26 11:54:19,831 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 357 out of 478 [2023-11-26 11:54:19,833 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 340 places, 337 transitions, 699 flow. Second operand has 3 states, 3 states have (on average 358.0) internal successors, (1074), 3 states have internal predecessors, (1074), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 11:54:19,833 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-26 11:54:19,833 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 357 of 478 [2023-11-26 11:54:19,833 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-26 11:54:20,986 INFO L124 PetriNetUnfolderBase]: 1232/3110 cut-off events. [2023-11-26 11:54:20,986 INFO L125 PetriNetUnfolderBase]: For 464/625 co-relation queries the response was YES. [2023-11-26 11:54:20,999 INFO L83 FinitePrefix]: Finished finitePrefix Result has 5241 conditions, 3110 events. 1232/3110 cut-off events. For 464/625 co-relation queries the response was YES. Maximal size of possible extension queue 167. Compared 21555 event pairs, 858 based on Foata normal form. 0/2769 useless extension candidates. Maximal degree in co-relation 5152. Up to 1663 conditions per place. [2023-11-26 11:54:21,014 INFO L140 encePairwiseOnDemand]: 476/478 looper letters, 26 selfloop transitions, 1 changer transitions 0/336 dead transitions. [2023-11-26 11:54:21,014 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 341 places, 336 transitions, 751 flow [2023-11-26 11:54:21,015 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-26 11:54:21,015 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-26 11:54:21,019 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1097 transitions. [2023-11-26 11:54:21,020 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.7649930264993027 [2023-11-26 11:54:21,021 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1097 transitions. [2023-11-26 11:54:21,021 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1097 transitions. [2023-11-26 11:54:21,024 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-26 11:54:21,024 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1097 transitions. [2023-11-26 11:54:21,027 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 365.6666666666667) internal successors, (1097), 3 states have internal predecessors, (1097), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 11:54:21,031 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 478.0) internal successors, (1912), 4 states have internal predecessors, (1912), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 11:54:21,033 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 478.0) internal successors, (1912), 4 states have internal predecessors, (1912), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 11:54:21,034 INFO L175 Difference]: Start difference. First operand has 340 places, 337 transitions, 699 flow. Second operand 3 states and 1097 transitions. [2023-11-26 11:54:21,034 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 341 places, 336 transitions, 751 flow [2023-11-26 11:54:21,039 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 339 places, 336 transitions, 747 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-11-26 11:54:21,044 INFO L231 Difference]: Finished difference. Result has 339 places, 336 transitions, 695 flow [2023-11-26 11:54:21,045 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=478, PETRI_DIFFERENCE_MINUEND_FLOW=693, PETRI_DIFFERENCE_MINUEND_PLACES=337, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=336, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=335, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=695, PETRI_PLACES=339, PETRI_TRANSITIONS=336} [2023-11-26 11:54:21,046 INFO L281 CegarLoopForPetriNet]: 441 programPoint places, -102 predicate places. [2023-11-26 11:54:21,046 INFO L495 AbstractCegarLoop]: Abstraction has has 339 places, 336 transitions, 695 flow [2023-11-26 11:54:21,047 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 358.0) internal successors, (1074), 3 states have internal predecessors, (1074), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 11:54:21,047 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-26 11:54:21,047 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] [2023-11-26 11:54:21,047 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2023-11-26 11:54:21,047 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 182 more)] === [2023-11-26 11:54:21,048 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 11:54:21,048 INFO L85 PathProgramCache]: Analyzing trace with hash -1717678273, now seen corresponding path program 1 times [2023-11-26 11:54:21,048 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 11:54:21,048 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [891900142] [2023-11-26 11:54:21,048 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 11:54:21,048 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 11:54:21,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:54:21,108 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-26 11:54:21,108 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 11:54:21,109 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [891900142] [2023-11-26 11:54:21,109 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [891900142] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 11:54:21,109 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-26 11:54:21,109 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-26 11:54:21,109 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [488060817] [2023-11-26 11:54:21,110 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 11:54:21,110 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-26 11:54:21,111 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 11:54:21,111 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-26 11:54:21,111 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-26 11:54:21,121 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 354 out of 478 [2023-11-26 11:54:21,123 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 339 places, 336 transitions, 695 flow. Second operand has 3 states, 3 states have (on average 355.3333333333333) internal successors, (1066), 3 states have internal predecessors, (1066), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 11:54:21,123 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-26 11:54:21,123 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 354 of 478 [2023-11-26 11:54:21,123 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-26 11:54:21,868 INFO L124 PetriNetUnfolderBase]: 1232/3109 cut-off events. [2023-11-26 11:54:21,869 INFO L125 PetriNetUnfolderBase]: For 464/625 co-relation queries the response was YES. [2023-11-26 11:54:21,880 INFO L83 FinitePrefix]: Finished finitePrefix Result has 5241 conditions, 3109 events. 1232/3109 cut-off events. For 464/625 co-relation queries the response was YES. Maximal size of possible extension queue 167. Compared 21573 event pairs, 858 based on Foata normal form. 0/2769 useless extension candidates. Maximal degree in co-relation 5152. Up to 1665 conditions per place. [2023-11-26 11:54:21,896 INFO L140 encePairwiseOnDemand]: 475/478 looper letters, 27 selfloop transitions, 2 changer transitions 0/335 dead transitions. [2023-11-26 11:54:21,897 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 340 places, 335 transitions, 751 flow [2023-11-26 11:54:21,897 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-26 11:54:21,897 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-26 11:54:21,900 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1090 transitions. [2023-11-26 11:54:21,901 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.7601115760111576 [2023-11-26 11:54:21,901 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1090 transitions. [2023-11-26 11:54:21,901 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1090 transitions. [2023-11-26 11:54:21,902 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-26 11:54:21,903 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1090 transitions. [2023-11-26 11:54:21,906 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 363.3333333333333) internal successors, (1090), 3 states have internal predecessors, (1090), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 11:54:21,915 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 478.0) internal successors, (1912), 4 states have internal predecessors, (1912), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 11:54:21,916 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 478.0) internal successors, (1912), 4 states have internal predecessors, (1912), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 11:54:21,916 INFO L175 Difference]: Start difference. First operand has 339 places, 336 transitions, 695 flow. Second operand 3 states and 1090 transitions. [2023-11-26 11:54:21,916 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 340 places, 335 transitions, 751 flow [2023-11-26 11:54:21,921 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 339 places, 335 transitions, 750 flow, removed 0 selfloop flow, removed 1 redundant places. [2023-11-26 11:54:21,926 INFO L231 Difference]: Finished difference. Result has 339 places, 335 transitions, 696 flow [2023-11-26 11:54:21,927 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=478, PETRI_DIFFERENCE_MINUEND_FLOW=692, PETRI_DIFFERENCE_MINUEND_PLACES=337, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=335, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=333, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=696, PETRI_PLACES=339, PETRI_TRANSITIONS=335} [2023-11-26 11:54:21,927 INFO L281 CegarLoopForPetriNet]: 441 programPoint places, -102 predicate places. [2023-11-26 11:54:21,927 INFO L495 AbstractCegarLoop]: Abstraction has has 339 places, 335 transitions, 696 flow [2023-11-26 11:54:21,928 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 355.3333333333333) internal successors, (1066), 3 states have internal predecessors, (1066), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 11:54:21,928 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-26 11:54:21,928 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] [2023-11-26 11:54:21,929 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2023-11-26 11:54:21,929 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr15ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 182 more)] === [2023-11-26 11:54:21,929 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 11:54:21,929 INFO L85 PathProgramCache]: Analyzing trace with hash -85618972, now seen corresponding path program 1 times [2023-11-26 11:54:21,930 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 11:54:21,930 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [231130156] [2023-11-26 11:54:21,930 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 11:54:21,930 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 11:54:21,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:54:21,987 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-26 11:54:21,987 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 11:54:21,987 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [231130156] [2023-11-26 11:54:21,988 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [231130156] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 11:54:21,988 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-26 11:54:21,988 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-26 11:54:21,988 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [515689429] [2023-11-26 11:54:21,988 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 11:54:21,989 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-26 11:54:21,989 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 11:54:21,990 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-26 11:54:21,990 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-26 11:54:22,001 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 354 out of 478 [2023-11-26 11:54:22,002 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 339 places, 335 transitions, 696 flow. Second operand has 3 states, 3 states have (on average 355.0) internal successors, (1065), 3 states have internal predecessors, (1065), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 11:54:22,002 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-26 11:54:22,003 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 354 of 478 [2023-11-26 11:54:22,003 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-26 11:54:22,958 INFO L124 PetriNetUnfolderBase]: 1232/3107 cut-off events. [2023-11-26 11:54:22,958 INFO L125 PetriNetUnfolderBase]: For 464/625 co-relation queries the response was YES. [2023-11-26 11:54:22,971 INFO L83 FinitePrefix]: Finished finitePrefix Result has 5241 conditions, 3107 events. 1232/3107 cut-off events. For 464/625 co-relation queries the response was YES. Maximal size of possible extension queue 167. Compared 21565 event pairs, 858 based on Foata normal form. 0/2769 useless extension candidates. Maximal degree in co-relation 5152. Up to 1665 conditions per place. [2023-11-26 11:54:22,986 INFO L140 encePairwiseOnDemand]: 475/478 looper letters, 28 selfloop transitions, 1 changer transitions 0/333 dead transitions. [2023-11-26 11:54:22,986 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 339 places, 333 transitions, 750 flow [2023-11-26 11:54:22,986 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-26 11:54:22,986 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-26 11:54:22,989 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1091 transitions. [2023-11-26 11:54:22,990 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.7608089260808926 [2023-11-26 11:54:22,990 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1091 transitions. [2023-11-26 11:54:22,991 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1091 transitions. [2023-11-26 11:54:22,992 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-26 11:54:22,992 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1091 transitions. [2023-11-26 11:54:22,995 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 363.6666666666667) internal successors, (1091), 3 states have internal predecessors, (1091), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 11:54:22,998 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 478.0) internal successors, (1912), 4 states have internal predecessors, (1912), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 11:54:22,999 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 478.0) internal successors, (1912), 4 states have internal predecessors, (1912), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 11:54:22,999 INFO L175 Difference]: Start difference. First operand has 339 places, 335 transitions, 696 flow. Second operand 3 states and 1091 transitions. [2023-11-26 11:54:22,999 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 339 places, 333 transitions, 750 flow [2023-11-26 11:54:23,003 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 337 places, 333 transitions, 746 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-11-26 11:54:23,008 INFO L231 Difference]: Finished difference. Result has 337 places, 333 transitions, 690 flow [2023-11-26 11:54:23,009 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=478, PETRI_DIFFERENCE_MINUEND_FLOW=688, PETRI_DIFFERENCE_MINUEND_PLACES=335, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=333, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=332, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=690, PETRI_PLACES=337, PETRI_TRANSITIONS=333} [2023-11-26 11:54:23,009 INFO L281 CegarLoopForPetriNet]: 441 programPoint places, -104 predicate places. [2023-11-26 11:54:23,010 INFO L495 AbstractCegarLoop]: Abstraction has has 337 places, 333 transitions, 690 flow [2023-11-26 11:54:23,010 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 355.0) internal successors, (1065), 3 states have internal predecessors, (1065), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 11:54:23,010 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-26 11:54:23,011 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] [2023-11-26 11:54:23,011 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2023-11-26 11:54:23,011 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr17ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 182 more)] === [2023-11-26 11:54:23,011 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 11:54:23,011 INFO L85 PathProgramCache]: Analyzing trace with hash -971956464, now seen corresponding path program 1 times [2023-11-26 11:54:23,012 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 11:54:23,012 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [425954463] [2023-11-26 11:54:23,012 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 11:54:23,012 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 11:54:23,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:54:23,083 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-26 11:54:23,083 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 11:54:23,083 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [425954463] [2023-11-26 11:54:23,083 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [425954463] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 11:54:23,083 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-26 11:54:23,084 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-26 11:54:23,084 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [368964805] [2023-11-26 11:54:23,084 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 11:54:23,084 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-26 11:54:23,085 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 11:54:23,085 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-26 11:54:23,085 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-26 11:54:23,095 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 354 out of 478 [2023-11-26 11:54:23,096 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 337 places, 333 transitions, 690 flow. Second operand has 3 states, 3 states have (on average 355.3333333333333) internal successors, (1066), 3 states have internal predecessors, (1066), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 11:54:23,096 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-26 11:54:23,096 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 354 of 478 [2023-11-26 11:54:23,097 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-26 11:54:23,809 INFO L124 PetriNetUnfolderBase]: 1232/3106 cut-off events. [2023-11-26 11:54:23,809 INFO L125 PetriNetUnfolderBase]: For 464/625 co-relation queries the response was YES. [2023-11-26 11:54:23,820 INFO L83 FinitePrefix]: Finished finitePrefix Result has 5239 conditions, 3106 events. 1232/3106 cut-off events. For 464/625 co-relation queries the response was YES. Maximal size of possible extension queue 167. Compared 21584 event pairs, 858 based on Foata normal form. 0/2769 useless extension candidates. Maximal degree in co-relation 5150. Up to 1665 conditions per place. [2023-11-26 11:54:23,832 INFO L140 encePairwiseOnDemand]: 475/478 looper letters, 27 selfloop transitions, 2 changer transitions 0/332 dead transitions. [2023-11-26 11:54:23,833 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 338 places, 332 transitions, 746 flow [2023-11-26 11:54:23,835 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-26 11:54:23,835 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-26 11:54:23,837 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1090 transitions. [2023-11-26 11:54:23,838 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.7601115760111576 [2023-11-26 11:54:23,838 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1090 transitions. [2023-11-26 11:54:23,838 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1090 transitions. [2023-11-26 11:54:23,839 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-26 11:54:23,839 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1090 transitions. [2023-11-26 11:54:23,842 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 363.3333333333333) internal successors, (1090), 3 states have internal predecessors, (1090), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 11:54:23,846 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 478.0) internal successors, (1912), 4 states have internal predecessors, (1912), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 11:54:23,846 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 478.0) internal successors, (1912), 4 states have internal predecessors, (1912), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 11:54:23,846 INFO L175 Difference]: Start difference. First operand has 337 places, 333 transitions, 690 flow. Second operand 3 states and 1090 transitions. [2023-11-26 11:54:23,847 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 338 places, 332 transitions, 746 flow [2023-11-26 11:54:23,851 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 337 places, 332 transitions, 745 flow, removed 0 selfloop flow, removed 1 redundant places. [2023-11-26 11:54:23,856 INFO L231 Difference]: Finished difference. Result has 337 places, 332 transitions, 691 flow [2023-11-26 11:54:23,856 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=478, PETRI_DIFFERENCE_MINUEND_FLOW=687, PETRI_DIFFERENCE_MINUEND_PLACES=335, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=332, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=330, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=691, PETRI_PLACES=337, PETRI_TRANSITIONS=332} [2023-11-26 11:54:23,857 INFO L281 CegarLoopForPetriNet]: 441 programPoint places, -104 predicate places. [2023-11-26 11:54:23,857 INFO L495 AbstractCegarLoop]: Abstraction has has 337 places, 332 transitions, 691 flow [2023-11-26 11:54:23,857 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 355.3333333333333) internal successors, (1066), 3 states have internal predecessors, (1066), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 11:54:23,858 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-26 11:54:23,858 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, 1, 1, 1, 1, 1] [2023-11-26 11:54:23,858 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2023-11-26 11:54:23,858 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr19ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 182 more)] === [2023-11-26 11:54:23,858 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 11:54:23,859 INFO L85 PathProgramCache]: Analyzing trace with hash 471448890, now seen corresponding path program 1 times [2023-11-26 11:54:23,859 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 11:54:23,859 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [550398164] [2023-11-26 11:54:23,859 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 11:54:23,859 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 11:54:23,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:54:24,867 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-26 11:54:24,868 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 11:54:24,868 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [550398164] [2023-11-26 11:54:24,868 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [550398164] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 11:54:24,868 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-26 11:54:24,868 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-26 11:54:24,869 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1683414780] [2023-11-26 11:54:24,869 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 11:54:24,870 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-26 11:54:24,870 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 11:54:24,871 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-26 11:54:24,871 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-11-26 11:54:25,145 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 339 out of 478 [2023-11-26 11:54:25,147 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 337 places, 332 transitions, 691 flow. Second operand has 6 states, 6 states have (on average 340.8333333333333) internal successors, (2045), 6 states have internal predecessors, (2045), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 11:54:25,148 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-26 11:54:25,148 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 339 of 478 [2023-11-26 11:54:25,148 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-26 11:54:27,829 INFO L124 PetriNetUnfolderBase]: 6352/9888 cut-off events. [2023-11-26 11:54:27,829 INFO L125 PetriNetUnfolderBase]: For 1680/1680 co-relation queries the response was YES. [2023-11-26 11:54:27,868 INFO L83 FinitePrefix]: Finished finitePrefix Result has 19712 conditions, 9888 events. 6352/9888 cut-off events. For 1680/1680 co-relation queries the response was YES. Maximal size of possible extension queue 375. Compared 55513 event pairs, 684 based on Foata normal form. 0/9559 useless extension candidates. Maximal degree in co-relation 19622. Up to 2884 conditions per place. [2023-11-26 11:54:27,915 INFO L140 encePairwiseOnDemand]: 473/478 looper letters, 103 selfloop transitions, 4 changer transitions 0/395 dead transitions. [2023-11-26 11:54:27,915 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 341 places, 395 transitions, 1063 flow [2023-11-26 11:54:27,916 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-26 11:54:27,916 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-11-26 11:54:27,922 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 2132 transitions. [2023-11-26 11:54:27,924 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.7433751743375174 [2023-11-26 11:54:27,925 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 2132 transitions. [2023-11-26 11:54:27,925 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 2132 transitions. [2023-11-26 11:54:27,927 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-26 11:54:27,927 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 2132 transitions. [2023-11-26 11:54:27,934 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 355.3333333333333) internal successors, (2132), 6 states have internal predecessors, (2132), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 11:54:27,942 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 478.0) internal successors, (3346), 7 states have internal predecessors, (3346), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 11:54:27,943 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 478.0) internal successors, (3346), 7 states have internal predecessors, (3346), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 11:54:27,944 INFO L175 Difference]: Start difference. First operand has 337 places, 332 transitions, 691 flow. Second operand 6 states and 2132 transitions. [2023-11-26 11:54:27,944 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 341 places, 395 transitions, 1063 flow [2023-11-26 11:54:27,954 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 339 places, 395 transitions, 1059 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-11-26 11:54:27,961 INFO L231 Difference]: Finished difference. Result has 339 places, 331 transitions, 693 flow [2023-11-26 11:54:27,961 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=478, PETRI_DIFFERENCE_MINUEND_FLOW=685, PETRI_DIFFERENCE_MINUEND_PLACES=334, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=331, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=327, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=693, PETRI_PLACES=339, PETRI_TRANSITIONS=331} [2023-11-26 11:54:27,962 INFO L281 CegarLoopForPetriNet]: 441 programPoint places, -102 predicate places. [2023-11-26 11:54:27,962 INFO L495 AbstractCegarLoop]: Abstraction has has 339 places, 331 transitions, 693 flow [2023-11-26 11:54:27,963 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 340.8333333333333) internal successors, (2045), 6 states have internal predecessors, (2045), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 11:54:27,963 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-26 11:54:27,964 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-26 11:54:27,964 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2023-11-26 11:54:27,964 INFO L420 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr20ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 182 more)] === [2023-11-26 11:54:27,965 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 11:54:27,965 INFO L85 PathProgramCache]: Analyzing trace with hash -1851477312, now seen corresponding path program 1 times [2023-11-26 11:54:27,965 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 11:54:27,965 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1810732327] [2023-11-26 11:54:27,966 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 11:54:27,966 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 11:54:28,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:54:29,074 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-26 11:54:29,074 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 11:54:29,074 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1810732327] [2023-11-26 11:54:29,074 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1810732327] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 11:54:29,075 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-26 11:54:29,075 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-26 11:54:29,075 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1130114368] [2023-11-26 11:54:29,075 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 11:54:29,076 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-26 11:54:29,076 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 11:54:29,077 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-26 11:54:29,077 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-11-26 11:54:29,386 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 339 out of 478 [2023-11-26 11:54:29,388 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 339 places, 331 transitions, 693 flow. Second operand has 6 states, 6 states have (on average 341.1666666666667) internal successors, (2047), 6 states have internal predecessors, (2047), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 11:54:29,388 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-26 11:54:29,388 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 339 of 478 [2023-11-26 11:54:29,388 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-26 11:54:30,961 INFO L124 PetriNetUnfolderBase]: 2192/4439 cut-off events. [2023-11-26 11:54:30,961 INFO L125 PetriNetUnfolderBase]: For 768/884 co-relation queries the response was YES. [2023-11-26 11:54:30,975 INFO L83 FinitePrefix]: Finished finitePrefix Result has 8185 conditions, 4439 events. 2192/4439 cut-off events. For 768/884 co-relation queries the response was YES. Maximal size of possible extension queue 167. Compared 27682 event pairs, 828 based on Foata normal form. 0/4110 useless extension candidates. Maximal degree in co-relation 8095. Up to 1608 conditions per place. [2023-11-26 11:54:30,995 INFO L140 encePairwiseOnDemand]: 473/478 looper letters, 87 selfloop transitions, 4 changer transitions 0/378 dead transitions. [2023-11-26 11:54:30,995 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 343 places, 378 transitions, 1001 flow [2023-11-26 11:54:30,995 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-26 11:54:30,996 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-11-26 11:54:31,001 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 2116 transitions. [2023-11-26 11:54:31,003 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.7377963737796374 [2023-11-26 11:54:31,003 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 2116 transitions. [2023-11-26 11:54:31,003 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 2116 transitions. [2023-11-26 11:54:31,005 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-26 11:54:31,005 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 2116 transitions. [2023-11-26 11:54:31,010 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 352.6666666666667) internal successors, (2116), 6 states have internal predecessors, (2116), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 11:54:31,016 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 478.0) internal successors, (3346), 7 states have internal predecessors, (3346), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 11:54:31,017 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 478.0) internal successors, (3346), 7 states have internal predecessors, (3346), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 11:54:31,018 INFO L175 Difference]: Start difference. First operand has 339 places, 331 transitions, 693 flow. Second operand 6 states and 2116 transitions. [2023-11-26 11:54:31,018 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 343 places, 378 transitions, 1001 flow [2023-11-26 11:54:31,023 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 339 places, 378 transitions, 994 flow, removed 0 selfloop flow, removed 4 redundant places. [2023-11-26 11:54:31,028 INFO L231 Difference]: Finished difference. Result has 339 places, 330 transitions, 692 flow [2023-11-26 11:54:31,029 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=478, PETRI_DIFFERENCE_MINUEND_FLOW=684, PETRI_DIFFERENCE_MINUEND_PLACES=334, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=330, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=326, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=692, PETRI_PLACES=339, PETRI_TRANSITIONS=330} [2023-11-26 11:54:31,029 INFO L281 CegarLoopForPetriNet]: 441 programPoint places, -102 predicate places. [2023-11-26 11:54:31,030 INFO L495 AbstractCegarLoop]: Abstraction has has 339 places, 330 transitions, 692 flow [2023-11-26 11:54:31,030 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 341.1666666666667) internal successors, (2047), 6 states have internal predecessors, (2047), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 11:54:31,030 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-26 11:54:31,031 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-26 11:54:31,031 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2023-11-26 11:54:31,031 INFO L420 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr21ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 182 more)] === [2023-11-26 11:54:31,031 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 11:54:31,032 INFO L85 PathProgramCache]: Analyzing trace with hash 935394564, now seen corresponding path program 1 times [2023-11-26 11:54:31,032 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 11:54:31,032 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [661985677] [2023-11-26 11:54:31,032 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 11:54:31,032 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 11:54:31,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:54:31,984 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-26 11:54:31,984 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 11:54:31,984 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [661985677] [2023-11-26 11:54:31,984 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [661985677] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 11:54:31,984 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-26 11:54:31,985 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-26 11:54:31,985 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [116106367] [2023-11-26 11:54:31,985 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 11:54:31,986 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-26 11:54:31,987 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 11:54:31,987 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-26 11:54:31,987 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-11-26 11:54:32,288 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 339 out of 478 [2023-11-26 11:54:32,290 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 339 places, 330 transitions, 692 flow. Second operand has 6 states, 6 states have (on average 341.5) internal successors, (2049), 6 states have internal predecessors, (2049), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 11:54:32,290 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-26 11:54:32,290 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 339 of 478 [2023-11-26 11:54:32,291 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-26 11:54:33,483 INFO L124 PetriNetUnfolderBase]: 1392/3332 cut-off events. [2023-11-26 11:54:33,483 INFO L125 PetriNetUnfolderBase]: For 536/683 co-relation queries the response was YES. [2023-11-26 11:54:33,497 INFO L83 FinitePrefix]: Finished finitePrefix Result has 5807 conditions, 3332 events. 1392/3332 cut-off events. For 536/683 co-relation queries the response was YES. Maximal size of possible extension queue 167. Compared 22447 event pairs, 852 based on Foata normal form. 0/3000 useless extension candidates. Maximal degree in co-relation 5717. Up to 1656 conditions per place. [2023-11-26 11:54:33,512 INFO L140 encePairwiseOnDemand]: 473/478 looper letters, 71 selfloop transitions, 4 changer transitions 0/361 dead transitions. [2023-11-26 11:54:33,512 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 343 places, 361 transitions, 936 flow [2023-11-26 11:54:33,513 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-26 11:54:33,513 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-11-26 11:54:33,518 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 2100 transitions. [2023-11-26 11:54:33,519 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.7322175732217573 [2023-11-26 11:54:33,519 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 2100 transitions. [2023-11-26 11:54:33,519 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 2100 transitions. [2023-11-26 11:54:33,521 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-26 11:54:33,521 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 2100 transitions. [2023-11-26 11:54:33,526 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 350.0) internal successors, (2100), 6 states have internal predecessors, (2100), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 11:54:33,530 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 478.0) internal successors, (3346), 7 states have internal predecessors, (3346), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 11:54:33,531 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 478.0) internal successors, (3346), 7 states have internal predecessors, (3346), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 11:54:33,532 INFO L175 Difference]: Start difference. First operand has 339 places, 330 transitions, 692 flow. Second operand 6 states and 2100 transitions. [2023-11-26 11:54:33,532 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 343 places, 361 transitions, 936 flow [2023-11-26 11:54:33,537 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 339 places, 361 transitions, 929 flow, removed 0 selfloop flow, removed 4 redundant places. [2023-11-26 11:54:33,542 INFO L231 Difference]: Finished difference. Result has 339 places, 329 transitions, 691 flow [2023-11-26 11:54:33,543 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=478, PETRI_DIFFERENCE_MINUEND_FLOW=683, PETRI_DIFFERENCE_MINUEND_PLACES=334, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=329, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=325, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=691, PETRI_PLACES=339, PETRI_TRANSITIONS=329} [2023-11-26 11:54:33,543 INFO L281 CegarLoopForPetriNet]: 441 programPoint places, -102 predicate places. [2023-11-26 11:54:33,543 INFO L495 AbstractCegarLoop]: Abstraction has has 339 places, 329 transitions, 691 flow [2023-11-26 11:54:33,544 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 341.5) internal successors, (2049), 6 states have internal predecessors, (2049), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 11:54:33,544 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-26 11:54:33,545 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-26 11:54:33,545 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2023-11-26 11:54:33,545 INFO L420 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr22ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 182 more)] === [2023-11-26 11:54:33,545 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 11:54:33,546 INFO L85 PathProgramCache]: Analyzing trace with hash 532647945, now seen corresponding path program 1 times [2023-11-26 11:54:33,546 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 11:54:33,546 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1499315437] [2023-11-26 11:54:33,546 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 11:54:33,546 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 11:54:33,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:54:34,698 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-26 11:54:34,699 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 11:54:34,699 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1499315437] [2023-11-26 11:54:34,699 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1499315437] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 11:54:34,699 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-26 11:54:34,699 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-26 11:54:34,700 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2122130394] [2023-11-26 11:54:34,700 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 11:54:34,700 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-26 11:54:34,701 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 11:54:34,701 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-26 11:54:34,702 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-11-26 11:54:35,006 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 339 out of 478 [2023-11-26 11:54:35,009 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 339 places, 329 transitions, 691 flow. Second operand has 6 states, 6 states have (on average 341.8333333333333) internal successors, (2051), 6 states have internal predecessors, (2051), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 11:54:35,009 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-26 11:54:35,009 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 339 of 478 [2023-11-26 11:54:35,009 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-26 11:54:36,019 INFO L124 PetriNetUnfolderBase]: 1272/3143 cut-off events. [2023-11-26 11:54:36,019 INFO L125 PetriNetUnfolderBase]: For 480/639 co-relation queries the response was YES. [2023-11-26 11:54:36,036 INFO L83 FinitePrefix]: Finished finitePrefix Result has 5401 conditions, 3143 events. 1272/3143 cut-off events. For 480/639 co-relation queries the response was YES. Maximal size of possible extension queue 167. Compared 21673 event pairs, 858 based on Foata normal form. 0/2817 useless extension candidates. Maximal degree in co-relation 5311. Up to 1672 conditions per place. [2023-11-26 11:54:36,053 INFO L140 encePairwiseOnDemand]: 473/478 looper letters, 55 selfloop transitions, 4 changer transitions 0/344 dead transitions. [2023-11-26 11:54:36,053 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 343 places, 344 transitions, 855 flow [2023-11-26 11:54:36,053 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-26 11:54:36,054 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-11-26 11:54:36,060 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 2088 transitions. [2023-11-26 11:54:36,061 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.7280334728033473 [2023-11-26 11:54:36,062 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 2088 transitions. [2023-11-26 11:54:36,062 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 2088 transitions. [2023-11-26 11:54:36,064 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-26 11:54:36,064 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 2088 transitions. [2023-11-26 11:54:36,070 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 348.0) internal successors, (2088), 6 states have internal predecessors, (2088), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 11:54:36,077 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 478.0) internal successors, (3346), 7 states have internal predecessors, (3346), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 11:54:36,078 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 478.0) internal successors, (3346), 7 states have internal predecessors, (3346), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 11:54:36,079 INFO L175 Difference]: Start difference. First operand has 339 places, 329 transitions, 691 flow. Second operand 6 states and 2088 transitions. [2023-11-26 11:54:36,079 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 343 places, 344 transitions, 855 flow [2023-11-26 11:54:36,084 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 339 places, 344 transitions, 848 flow, removed 0 selfloop flow, removed 4 redundant places. [2023-11-26 11:54:36,090 INFO L231 Difference]: Finished difference. Result has 339 places, 328 transitions, 690 flow [2023-11-26 11:54:36,091 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=478, PETRI_DIFFERENCE_MINUEND_FLOW=682, PETRI_DIFFERENCE_MINUEND_PLACES=334, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=328, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=324, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=690, PETRI_PLACES=339, PETRI_TRANSITIONS=328} [2023-11-26 11:54:36,091 INFO L281 CegarLoopForPetriNet]: 441 programPoint places, -102 predicate places. [2023-11-26 11:54:36,091 INFO L495 AbstractCegarLoop]: Abstraction has has 339 places, 328 transitions, 690 flow [2023-11-26 11:54:36,092 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 341.8333333333333) internal successors, (2051), 6 states have internal predecessors, (2051), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 11:54:36,092 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-26 11:54:36,093 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-26 11:54:36,093 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2023-11-26 11:54:36,093 INFO L420 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr23ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 182 more)] === [2023-11-26 11:54:36,094 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 11:54:36,094 INFO L85 PathProgramCache]: Analyzing trace with hash 1833634420, now seen corresponding path program 1 times [2023-11-26 11:54:36,094 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 11:54:36,095 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [455144938] [2023-11-26 11:54:36,095 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 11:54:36,095 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 11:54:36,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:54:36,250 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-26 11:54:36,251 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 11:54:36,251 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [455144938] [2023-11-26 11:54:36,251 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [455144938] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 11:54:36,252 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-26 11:54:36,252 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-26 11:54:36,252 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1319208799] [2023-11-26 11:54:36,252 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 11:54:36,253 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-26 11:54:36,254 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 11:54:36,254 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-26 11:54:36,255 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-26 11:54:36,258 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 358 out of 478 [2023-11-26 11:54:36,260 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 339 places, 328 transitions, 690 flow. Second operand has 3 states, 3 states have (on average 362.6666666666667) internal successors, (1088), 3 states have internal predecessors, (1088), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 11:54:36,260 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-26 11:54:36,261 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 358 of 478 [2023-11-26 11:54:36,261 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-26 11:54:37,208 INFO L124 PetriNetUnfolderBase]: 1232/3089 cut-off events. [2023-11-26 11:54:37,208 INFO L125 PetriNetUnfolderBase]: For 464/625 co-relation queries the response was YES. [2023-11-26 11:54:37,218 INFO L83 FinitePrefix]: Finished finitePrefix Result has 5252 conditions, 3089 events. 1232/3089 cut-off events. For 464/625 co-relation queries the response was YES. Maximal size of possible extension queue 167. Compared 21484 event pairs, 858 based on Foata normal form. 4/2769 useless extension candidates. Maximal degree in co-relation 5173. Up to 1662 conditions per place. [2023-11-26 11:54:37,220 INFO L140 encePairwiseOnDemand]: 476/478 looper letters, 0 selfloop transitions, 0 changer transitions 327/327 dead transitions. [2023-11-26 11:54:37,220 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 340 places, 327 transitions, 738 flow [2023-11-26 11:54:37,221 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-26 11:54:37,221 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-26 11:54:37,228 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1098 transitions. [2023-11-26 11:54:37,229 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.7656903765690377 [2023-11-26 11:54:37,229 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1098 transitions. [2023-11-26 11:54:37,229 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1098 transitions. [2023-11-26 11:54:37,230 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-26 11:54:37,231 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1098 transitions. [2023-11-26 11:54:37,234 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 366.0) internal successors, (1098), 3 states have internal predecessors, (1098), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 11:54:37,237 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 478.0) internal successors, (1912), 4 states have internal predecessors, (1912), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 11:54:37,238 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 478.0) internal successors, (1912), 4 states have internal predecessors, (1912), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 11:54:37,238 INFO L175 Difference]: Start difference. First operand has 339 places, 328 transitions, 690 flow. Second operand 3 states and 1098 transitions. [2023-11-26 11:54:37,238 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 340 places, 327 transitions, 738 flow [2023-11-26 11:54:37,243 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 336 places, 327 transitions, 731 flow, removed 0 selfloop flow, removed 4 redundant places. [2023-11-26 11:54:37,246 INFO L231 Difference]: Finished difference. Result has 336 places, 0 transitions, 0 flow [2023-11-26 11:54:37,247 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=478, PETRI_DIFFERENCE_MINUEND_FLOW=681, PETRI_DIFFERENCE_MINUEND_PLACES=334, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=327, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=327, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=0, PETRI_PLACES=336, PETRI_TRANSITIONS=0} [2023-11-26 11:54:37,248 INFO L281 CegarLoopForPetriNet]: 441 programPoint places, -105 predicate places. [2023-11-26 11:54:37,248 INFO L495 AbstractCegarLoop]: Abstraction has has 336 places, 0 transitions, 0 flow [2023-11-26 11:54:37,248 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 362.6666666666667) internal successors, (1088), 3 states have internal predecessors, (1088), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 11:54:37,251 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (185 of 186 remaining) [2023-11-26 11:54:37,252 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE (184 of 186 remaining) [2023-11-26 11:54:37,252 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err2ASSERT_VIOLATIONDATA_RACE (183 of 186 remaining) [2023-11-26 11:54:37,253 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err3ASSERT_VIOLATIONDATA_RACE (182 of 186 remaining) [2023-11-26 11:54:37,253 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err4ASSERT_VIOLATIONDATA_RACE (181 of 186 remaining) [2023-11-26 11:54:37,253 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err5ASSERT_VIOLATIONDATA_RACE (180 of 186 remaining) [2023-11-26 11:54:37,253 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err6ASSERT_VIOLATIONDATA_RACE (179 of 186 remaining) [2023-11-26 11:54:37,254 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err7ASSERT_VIOLATIONDATA_RACE (178 of 186 remaining) [2023-11-26 11:54:37,254 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err8ASSERT_VIOLATIONDATA_RACE (177 of 186 remaining) [2023-11-26 11:54:37,254 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err9ASSERT_VIOLATIONDATA_RACE (176 of 186 remaining) [2023-11-26 11:54:37,254 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err10ASSERT_VIOLATIONDATA_RACE (175 of 186 remaining) [2023-11-26 11:54:37,255 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err11ASSERT_VIOLATIONDATA_RACE (174 of 186 remaining) [2023-11-26 11:54:37,255 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err12ASSERT_VIOLATIONDATA_RACE (173 of 186 remaining) [2023-11-26 11:54:37,255 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err13ASSERT_VIOLATIONDATA_RACE (172 of 186 remaining) [2023-11-26 11:54:37,255 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err14ASSERT_VIOLATIONDATA_RACE (171 of 186 remaining) [2023-11-26 11:54:37,256 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err15ASSERT_VIOLATIONDATA_RACE (170 of 186 remaining) [2023-11-26 11:54:37,256 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err16ASSERT_VIOLATIONDATA_RACE (169 of 186 remaining) [2023-11-26 11:54:37,256 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err17ASSERT_VIOLATIONDATA_RACE (168 of 186 remaining) [2023-11-26 11:54:37,256 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (167 of 186 remaining) [2023-11-26 11:54:37,256 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (166 of 186 remaining) [2023-11-26 11:54:37,257 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err2ASSERT_VIOLATIONDATA_RACE (165 of 186 remaining) [2023-11-26 11:54:37,257 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err3ASSERT_VIOLATIONDATA_RACE (164 of 186 remaining) [2023-11-26 11:54:37,257 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err4ASSERT_VIOLATIONDATA_RACE (163 of 186 remaining) [2023-11-26 11:54:37,257 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err5ASSERT_VIOLATIONDATA_RACE (162 of 186 remaining) [2023-11-26 11:54:37,258 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err6ASSERT_VIOLATIONDATA_RACE (161 of 186 remaining) [2023-11-26 11:54:37,258 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err7ASSERT_VIOLATIONDATA_RACE (160 of 186 remaining) [2023-11-26 11:54:37,258 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err8ASSERT_VIOLATIONDATA_RACE (159 of 186 remaining) [2023-11-26 11:54:37,259 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err9ASSERT_VIOLATIONDATA_RACE (158 of 186 remaining) [2023-11-26 11:54:37,259 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err10ASSERT_VIOLATIONDATA_RACE (157 of 186 remaining) [2023-11-26 11:54:37,259 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err11ASSERT_VIOLATIONDATA_RACE (156 of 186 remaining) [2023-11-26 11:54:37,259 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err12ASSERT_VIOLATIONDATA_RACE (155 of 186 remaining) [2023-11-26 11:54:37,260 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err13ASSERT_VIOLATIONDATA_RACE (154 of 186 remaining) [2023-11-26 11:54:37,260 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err14ASSERT_VIOLATIONDATA_RACE (153 of 186 remaining) [2023-11-26 11:54:37,260 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err15ASSERT_VIOLATIONDATA_RACE (152 of 186 remaining) [2023-11-26 11:54:37,260 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err16ASSERT_VIOLATIONDATA_RACE (151 of 186 remaining) [2023-11-26 11:54:37,261 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err17ASSERT_VIOLATIONDATA_RACE (150 of 186 remaining) [2023-11-26 11:54:37,261 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err18ASSERT_VIOLATIONDATA_RACE (149 of 186 remaining) [2023-11-26 11:54:37,261 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err19ASSERT_VIOLATIONDATA_RACE (148 of 186 remaining) [2023-11-26 11:54:37,261 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err20ASSERT_VIOLATIONDATA_RACE (147 of 186 remaining) [2023-11-26 11:54:37,262 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err0ASSERT_VIOLATIONDATA_RACE (146 of 186 remaining) [2023-11-26 11:54:37,262 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err1ASSERT_VIOLATIONDATA_RACE (145 of 186 remaining) [2023-11-26 11:54:37,262 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err2ASSERT_VIOLATIONDATA_RACE (144 of 186 remaining) [2023-11-26 11:54:37,262 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err3ASSERT_VIOLATIONDATA_RACE (143 of 186 remaining) [2023-11-26 11:54:37,263 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err4ASSERT_VIOLATIONDATA_RACE (142 of 186 remaining) [2023-11-26 11:54:37,263 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err5ASSERT_VIOLATIONDATA_RACE (141 of 186 remaining) [2023-11-26 11:54:37,263 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err6ASSERT_VIOLATIONDATA_RACE (140 of 186 remaining) [2023-11-26 11:54:37,263 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err7ASSERT_VIOLATIONDATA_RACE (139 of 186 remaining) [2023-11-26 11:54:37,264 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err8ASSERT_VIOLATIONDATA_RACE (138 of 186 remaining) [2023-11-26 11:54:37,264 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err9ASSERT_VIOLATIONDATA_RACE (137 of 186 remaining) [2023-11-26 11:54:37,264 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err10ASSERT_VIOLATIONDATA_RACE (136 of 186 remaining) [2023-11-26 11:54:37,264 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err11ASSERT_VIOLATIONDATA_RACE (135 of 186 remaining) [2023-11-26 11:54:37,264 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err12ASSERT_VIOLATIONDATA_RACE (134 of 186 remaining) [2023-11-26 11:54:37,265 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err13ASSERT_VIOLATIONDATA_RACE (133 of 186 remaining) [2023-11-26 11:54:37,265 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err14ASSERT_VIOLATIONDATA_RACE (132 of 186 remaining) [2023-11-26 11:54:37,265 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err15ASSERT_VIOLATIONDATA_RACE (131 of 186 remaining) [2023-11-26 11:54:37,265 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err16ASSERT_VIOLATIONDATA_RACE (130 of 186 remaining) [2023-11-26 11:54:37,266 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err17ASSERT_VIOLATIONDATA_RACE (129 of 186 remaining) [2023-11-26 11:54:37,266 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err18ASSERT_VIOLATIONDATA_RACE (128 of 186 remaining) [2023-11-26 11:54:37,266 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err19ASSERT_VIOLATIONDATA_RACE (127 of 186 remaining) [2023-11-26 11:54:37,266 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (126 of 186 remaining) [2023-11-26 11:54:37,267 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (125 of 186 remaining) [2023-11-26 11:54:37,267 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (124 of 186 remaining) [2023-11-26 11:54:37,267 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (123 of 186 remaining) [2023-11-26 11:54:37,267 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE (122 of 186 remaining) [2023-11-26 11:54:37,268 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE (121 of 186 remaining) [2023-11-26 11:54:37,268 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE (120 of 186 remaining) [2023-11-26 11:54:37,268 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE (119 of 186 remaining) [2023-11-26 11:54:37,268 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr8ASSERT_VIOLATIONDATA_RACE (118 of 186 remaining) [2023-11-26 11:54:37,269 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE (117 of 186 remaining) [2023-11-26 11:54:37,269 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE (116 of 186 remaining) [2023-11-26 11:54:37,269 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr11ASSERT_VIOLATIONDATA_RACE (115 of 186 remaining) [2023-11-26 11:54:37,269 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr12ASSERT_VIOLATIONDATA_RACE (114 of 186 remaining) [2023-11-26 11:54:37,270 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr13ASSERT_VIOLATIONDATA_RACE (113 of 186 remaining) [2023-11-26 11:54:37,270 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr14ASSERT_VIOLATIONDATA_RACE (112 of 186 remaining) [2023-11-26 11:54:37,270 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr15ASSERT_VIOLATIONDATA_RACE (111 of 186 remaining) [2023-11-26 11:54:37,270 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr16ASSERT_VIOLATIONDATA_RACE (110 of 186 remaining) [2023-11-26 11:54:37,270 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr17ASSERT_VIOLATIONDATA_RACE (109 of 186 remaining) [2023-11-26 11:54:37,271 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr18ASSERT_VIOLATIONDATA_RACE (108 of 186 remaining) [2023-11-26 11:54:37,271 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr19ASSERT_VIOLATIONDATA_RACE (107 of 186 remaining) [2023-11-26 11:54:37,271 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr20ASSERT_VIOLATIONDATA_RACE (106 of 186 remaining) [2023-11-26 11:54:37,271 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr21ASSERT_VIOLATIONDATA_RACE (105 of 186 remaining) [2023-11-26 11:54:37,272 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr22ASSERT_VIOLATIONDATA_RACE (104 of 186 remaining) [2023-11-26 11:54:37,274 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr23ASSERT_VIOLATIONDATA_RACE (103 of 186 remaining) [2023-11-26 11:54:37,275 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (102 of 186 remaining) [2023-11-26 11:54:37,275 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (101 of 186 remaining) [2023-11-26 11:54:37,275 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (100 of 186 remaining) [2023-11-26 11:54:37,275 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (99 of 186 remaining) [2023-11-26 11:54:37,276 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread4Err0ASSERT_VIOLATIONDATA_RACE (98 of 186 remaining) [2023-11-26 11:54:37,276 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread4Err1ASSERT_VIOLATIONDATA_RACE (97 of 186 remaining) [2023-11-26 11:54:37,276 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread4Err2ASSERT_VIOLATIONDATA_RACE (96 of 186 remaining) [2023-11-26 11:54:37,276 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread4Err3ASSERT_VIOLATIONDATA_RACE (95 of 186 remaining) [2023-11-26 11:54:37,277 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread4Err4ASSERT_VIOLATIONDATA_RACE (94 of 186 remaining) [2023-11-26 11:54:37,277 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread4Err5ASSERT_VIOLATIONDATA_RACE (93 of 186 remaining) [2023-11-26 11:54:37,277 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread4Err6ASSERT_VIOLATIONDATA_RACE (92 of 186 remaining) [2023-11-26 11:54:37,277 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread4Err7ASSERT_VIOLATIONDATA_RACE (91 of 186 remaining) [2023-11-26 11:54:37,278 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread4Err8ASSERT_VIOLATIONDATA_RACE (90 of 186 remaining) [2023-11-26 11:54:37,278 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread4Err9ASSERT_VIOLATIONDATA_RACE (89 of 186 remaining) [2023-11-26 11:54:37,278 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread4Err10ASSERT_VIOLATIONDATA_RACE (88 of 186 remaining) [2023-11-26 11:54:37,278 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread4Err11ASSERT_VIOLATIONDATA_RACE (87 of 186 remaining) [2023-11-26 11:54:37,278 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread4Err12ASSERT_VIOLATIONDATA_RACE (86 of 186 remaining) [2023-11-26 11:54:37,279 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread4Err13ASSERT_VIOLATIONDATA_RACE (85 of 186 remaining) [2023-11-26 11:54:37,279 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread4Err14ASSERT_VIOLATIONDATA_RACE (84 of 186 remaining) [2023-11-26 11:54:37,279 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread4Err15ASSERT_VIOLATIONDATA_RACE (83 of 186 remaining) [2023-11-26 11:54:37,279 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread4Err16ASSERT_VIOLATIONDATA_RACE (82 of 186 remaining) [2023-11-26 11:54:37,280 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread4Err17ASSERT_VIOLATIONDATA_RACE (81 of 186 remaining) [2023-11-26 11:54:37,280 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread4Err18ASSERT_VIOLATIONDATA_RACE (80 of 186 remaining) [2023-11-26 11:54:37,280 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread4Err19ASSERT_VIOLATIONDATA_RACE (79 of 186 remaining) [2023-11-26 11:54:37,280 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (78 of 186 remaining) [2023-11-26 11:54:37,281 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE (77 of 186 remaining) [2023-11-26 11:54:37,281 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err2ASSERT_VIOLATIONDATA_RACE (76 of 186 remaining) [2023-11-26 11:54:37,281 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err3ASSERT_VIOLATIONDATA_RACE (75 of 186 remaining) [2023-11-26 11:54:37,281 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err4ASSERT_VIOLATIONDATA_RACE (74 of 186 remaining) [2023-11-26 11:54:37,282 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err5ASSERT_VIOLATIONDATA_RACE (73 of 186 remaining) [2023-11-26 11:54:37,282 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err6ASSERT_VIOLATIONDATA_RACE (72 of 186 remaining) [2023-11-26 11:54:37,282 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err7ASSERT_VIOLATIONDATA_RACE (71 of 186 remaining) [2023-11-26 11:54:37,282 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err8ASSERT_VIOLATIONDATA_RACE (70 of 186 remaining) [2023-11-26 11:54:37,283 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err9ASSERT_VIOLATIONDATA_RACE (69 of 186 remaining) [2023-11-26 11:54:37,283 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err10ASSERT_VIOLATIONDATA_RACE (68 of 186 remaining) [2023-11-26 11:54:37,283 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err11ASSERT_VIOLATIONDATA_RACE (67 of 186 remaining) [2023-11-26 11:54:37,283 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err12ASSERT_VIOLATIONDATA_RACE (66 of 186 remaining) [2023-11-26 11:54:37,284 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err13ASSERT_VIOLATIONDATA_RACE (65 of 186 remaining) [2023-11-26 11:54:37,284 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err14ASSERT_VIOLATIONDATA_RACE (64 of 186 remaining) [2023-11-26 11:54:37,284 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err15ASSERT_VIOLATIONDATA_RACE (63 of 186 remaining) [2023-11-26 11:54:37,284 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err16ASSERT_VIOLATIONDATA_RACE (62 of 186 remaining) [2023-11-26 11:54:37,285 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err17ASSERT_VIOLATIONDATA_RACE (61 of 186 remaining) [2023-11-26 11:54:37,285 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (60 of 186 remaining) [2023-11-26 11:54:37,285 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (59 of 186 remaining) [2023-11-26 11:54:37,285 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err2ASSERT_VIOLATIONDATA_RACE (58 of 186 remaining) [2023-11-26 11:54:37,286 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err3ASSERT_VIOLATIONDATA_RACE (57 of 186 remaining) [2023-11-26 11:54:37,286 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err4ASSERT_VIOLATIONDATA_RACE (56 of 186 remaining) [2023-11-26 11:54:37,286 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err5ASSERT_VIOLATIONDATA_RACE (55 of 186 remaining) [2023-11-26 11:54:37,286 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err6ASSERT_VIOLATIONDATA_RACE (54 of 186 remaining) [2023-11-26 11:54:37,287 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err7ASSERT_VIOLATIONDATA_RACE (53 of 186 remaining) [2023-11-26 11:54:37,287 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err8ASSERT_VIOLATIONDATA_RACE (52 of 186 remaining) [2023-11-26 11:54:37,287 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err9ASSERT_VIOLATIONDATA_RACE (51 of 186 remaining) [2023-11-26 11:54:37,287 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err10ASSERT_VIOLATIONDATA_RACE (50 of 186 remaining) [2023-11-26 11:54:37,288 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err11ASSERT_VIOLATIONDATA_RACE (49 of 186 remaining) [2023-11-26 11:54:37,288 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err12ASSERT_VIOLATIONDATA_RACE (48 of 186 remaining) [2023-11-26 11:54:37,288 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err13ASSERT_VIOLATIONDATA_RACE (47 of 186 remaining) [2023-11-26 11:54:37,288 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err14ASSERT_VIOLATIONDATA_RACE (46 of 186 remaining) [2023-11-26 11:54:37,289 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err15ASSERT_VIOLATIONDATA_RACE (45 of 186 remaining) [2023-11-26 11:54:37,289 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err16ASSERT_VIOLATIONDATA_RACE (44 of 186 remaining) [2023-11-26 11:54:37,289 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err17ASSERT_VIOLATIONDATA_RACE (43 of 186 remaining) [2023-11-26 11:54:37,289 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err18ASSERT_VIOLATIONDATA_RACE (42 of 186 remaining) [2023-11-26 11:54:37,290 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err19ASSERT_VIOLATIONDATA_RACE (41 of 186 remaining) [2023-11-26 11:54:37,290 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err20ASSERT_VIOLATIONDATA_RACE (40 of 186 remaining) [2023-11-26 11:54:37,290 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err0ASSERT_VIOLATIONDATA_RACE (39 of 186 remaining) [2023-11-26 11:54:37,290 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err1ASSERT_VIOLATIONDATA_RACE (38 of 186 remaining) [2023-11-26 11:54:37,291 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err2ASSERT_VIOLATIONDATA_RACE (37 of 186 remaining) [2023-11-26 11:54:37,291 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err3ASSERT_VIOLATIONDATA_RACE (36 of 186 remaining) [2023-11-26 11:54:37,291 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err4ASSERT_VIOLATIONDATA_RACE (35 of 186 remaining) [2023-11-26 11:54:37,291 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err5ASSERT_VIOLATIONDATA_RACE (34 of 186 remaining) [2023-11-26 11:54:37,292 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err6ASSERT_VIOLATIONDATA_RACE (33 of 186 remaining) [2023-11-26 11:54:37,292 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err7ASSERT_VIOLATIONDATA_RACE (32 of 186 remaining) [2023-11-26 11:54:37,292 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err8ASSERT_VIOLATIONDATA_RACE (31 of 186 remaining) [2023-11-26 11:54:37,292 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err9ASSERT_VIOLATIONDATA_RACE (30 of 186 remaining) [2023-11-26 11:54:37,293 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err10ASSERT_VIOLATIONDATA_RACE (29 of 186 remaining) [2023-11-26 11:54:37,293 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err11ASSERT_VIOLATIONDATA_RACE (28 of 186 remaining) [2023-11-26 11:54:37,293 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err12ASSERT_VIOLATIONDATA_RACE (27 of 186 remaining) [2023-11-26 11:54:37,293 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err13ASSERT_VIOLATIONDATA_RACE (26 of 186 remaining) [2023-11-26 11:54:37,294 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err14ASSERT_VIOLATIONDATA_RACE (25 of 186 remaining) [2023-11-26 11:54:37,294 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err15ASSERT_VIOLATIONDATA_RACE (24 of 186 remaining) [2023-11-26 11:54:37,294 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err16ASSERT_VIOLATIONDATA_RACE (23 of 186 remaining) [2023-11-26 11:54:37,294 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err17ASSERT_VIOLATIONDATA_RACE (22 of 186 remaining) [2023-11-26 11:54:37,295 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err18ASSERT_VIOLATIONDATA_RACE (21 of 186 remaining) [2023-11-26 11:54:37,295 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err19ASSERT_VIOLATIONDATA_RACE (20 of 186 remaining) [2023-11-26 11:54:37,295 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread4Err0ASSERT_VIOLATIONDATA_RACE (19 of 186 remaining) [2023-11-26 11:54:37,295 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread4Err1ASSERT_VIOLATIONDATA_RACE (18 of 186 remaining) [2023-11-26 11:54:37,296 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread4Err2ASSERT_VIOLATIONDATA_RACE (17 of 186 remaining) [2023-11-26 11:54:37,296 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread4Err3ASSERT_VIOLATIONDATA_RACE (16 of 186 remaining) [2023-11-26 11:54:37,296 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread4Err4ASSERT_VIOLATIONDATA_RACE (15 of 186 remaining) [2023-11-26 11:54:37,296 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread4Err5ASSERT_VIOLATIONDATA_RACE (14 of 186 remaining) [2023-11-26 11:54:37,297 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread4Err6ASSERT_VIOLATIONDATA_RACE (13 of 186 remaining) [2023-11-26 11:54:37,297 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread4Err7ASSERT_VIOLATIONDATA_RACE (12 of 186 remaining) [2023-11-26 11:54:37,297 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread4Err8ASSERT_VIOLATIONDATA_RACE (11 of 186 remaining) [2023-11-26 11:54:37,297 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread4Err9ASSERT_VIOLATIONDATA_RACE (10 of 186 remaining) [2023-11-26 11:54:37,298 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread4Err10ASSERT_VIOLATIONDATA_RACE (9 of 186 remaining) [2023-11-26 11:54:37,298 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread4Err11ASSERT_VIOLATIONDATA_RACE (8 of 186 remaining) [2023-11-26 11:54:37,298 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread4Err12ASSERT_VIOLATIONDATA_RACE (7 of 186 remaining) [2023-11-26 11:54:37,298 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread4Err13ASSERT_VIOLATIONDATA_RACE (6 of 186 remaining) [2023-11-26 11:54:37,299 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread4Err14ASSERT_VIOLATIONDATA_RACE (5 of 186 remaining) [2023-11-26 11:54:37,299 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread4Err15ASSERT_VIOLATIONDATA_RACE (4 of 186 remaining) [2023-11-26 11:54:37,299 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread4Err16ASSERT_VIOLATIONDATA_RACE (3 of 186 remaining) [2023-11-26 11:54:37,299 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread4Err17ASSERT_VIOLATIONDATA_RACE (2 of 186 remaining) [2023-11-26 11:54:37,300 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread4Err18ASSERT_VIOLATIONDATA_RACE (1 of 186 remaining) [2023-11-26 11:54:37,300 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread4Err19ASSERT_VIOLATIONDATA_RACE (0 of 186 remaining) [2023-11-26 11:54:37,300 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2023-11-26 11:54:37,300 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] [2023-11-26 11:54:37,311 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2023-11-26 11:54:37,312 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-26 11:54:37,322 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 26.11 11:54:37 BasicIcfg [2023-11-26 11:54:37,322 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-26 11:54:37,323 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-26 11:54:37,323 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-26 11:54:37,324 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-26 11:54:37,324 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 11:54:02" (3/4) ... [2023-11-26 11:54:37,326 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-11-26 11:54:37,330 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread1 [2023-11-26 11:54:37,330 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread2 [2023-11-26 11:54:37,330 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread3 [2023-11-26 11:54:37,330 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread4 [2023-11-26 11:54:37,352 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 31 nodes and edges [2023-11-26 11:54:37,353 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2023-11-26 11:54:37,354 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2023-11-26 11:54:37,355 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-11-26 11:54:37,506 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_547c2542-90b6-4e2f-9791-c70c3a3959ce/bin/uautomizer-verify-VRDe98Ueme/witness.graphml [2023-11-26 11:54:37,507 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_547c2542-90b6-4e2f-9791-c70c3a3959ce/bin/uautomizer-verify-VRDe98Ueme/witness.yml [2023-11-26 11:54:37,507 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-26 11:54:37,508 INFO L158 Benchmark]: Toolchain (without parser) took 38214.78ms. Allocated memory was 148.9MB in the beginning and 4.6GB in the end (delta: 4.5GB). Free memory was 104.1MB in the beginning and 3.6GB in the end (delta: -3.5GB). Peak memory consumption was 977.2MB. Max. memory is 16.1GB. [2023-11-26 11:54:37,509 INFO L158 Benchmark]: CDTParser took 0.34ms. Allocated memory is still 104.9MB. Free memory is still 56.2MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-26 11:54:37,509 INFO L158 Benchmark]: CACSL2BoogieTranslator took 614.19ms. Allocated memory is still 148.9MB. Free memory was 104.1MB in the beginning and 88.9MB in the end (delta: 15.3MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2023-11-26 11:54:37,509 INFO L158 Benchmark]: Boogie Procedure Inliner took 135.73ms. Allocated memory is still 148.9MB. Free memory was 88.9MB in the beginning and 84.2MB in the end (delta: 4.7MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-26 11:54:37,510 INFO L158 Benchmark]: Boogie Preprocessor took 88.26ms. Allocated memory is still 148.9MB. Free memory was 84.2MB in the beginning and 80.0MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-26 11:54:37,510 INFO L158 Benchmark]: RCFGBuilder took 2306.80ms. Allocated memory was 148.9MB in the beginning and 192.9MB in the end (delta: 44.0MB). Free memory was 80.0MB in the beginning and 145.2MB in the end (delta: -65.2MB). Peak memory consumption was 49.0MB. Max. memory is 16.1GB. [2023-11-26 11:54:37,512 INFO L158 Benchmark]: TraceAbstraction took 34877.43ms. Allocated memory was 192.9MB in the beginning and 4.6GB in the end (delta: 4.4GB). Free memory was 144.1MB in the beginning and 3.6GB in the end (delta: -3.5GB). Peak memory consumption was 961.7MB. Max. memory is 16.1GB. [2023-11-26 11:54:37,512 INFO L158 Benchmark]: Witness Printer took 184.02ms. Allocated memory is still 4.6GB. Free memory was 3.6GB in the beginning and 3.6GB in the end (delta: 8.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2023-11-26 11:54:37,516 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.34ms. Allocated memory is still 104.9MB. Free memory is still 56.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 614.19ms. Allocated memory is still 148.9MB. Free memory was 104.1MB in the beginning and 88.9MB in the end (delta: 15.3MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 135.73ms. Allocated memory is still 148.9MB. Free memory was 88.9MB in the beginning and 84.2MB in the end (delta: 4.7MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 88.26ms. Allocated memory is still 148.9MB. Free memory was 84.2MB in the beginning and 80.0MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 2306.80ms. Allocated memory was 148.9MB in the beginning and 192.9MB in the end (delta: 44.0MB). Free memory was 80.0MB in the beginning and 145.2MB in the end (delta: -65.2MB). Peak memory consumption was 49.0MB. Max. memory is 16.1GB. * TraceAbstraction took 34877.43ms. Allocated memory was 192.9MB in the beginning and 4.6GB in the end (delta: 4.4GB). Free memory was 144.1MB in the beginning and 3.6GB in the end (delta: -3.5GB). Peak memory consumption was 961.7MB. Max. memory is 16.1GB. * Witness Printer took 184.02ms. Allocated memory is still 4.6GB. Free memory was 3.6GB in the beginning and 3.6GB in the end (delta: 8.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 49]: 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: 53]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 53]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 53]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 54]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 54]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 54]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 54]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 54]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 54]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 55]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 56]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 56]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 59]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 59]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 62]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 62]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 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: 75]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 75]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 75]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 76]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 76]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 76]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 77]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 77]: 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: 77]: 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: 77]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 78]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 79]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 79]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 82]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 82]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 85]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 85]: 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: 94]: 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: 94]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 98]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 98]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 98]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 98]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 98]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 99]: 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: 99]: 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: 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: 100]: 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: 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: 131]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 132]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 133]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 134]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 135]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 135]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 136]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 137]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 137]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 138]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 166]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 138]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 139]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 166]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 139]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 140]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 166]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 140]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 142]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 149]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 150]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 151]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 152]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 154]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 112]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 112]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 112]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 112]: 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: 116]: 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: 116]: 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: 117]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 117]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 117]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 117]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 117]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 118]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 118]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 121]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 121]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 121]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 121]: 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 9 procedures, 574 locations, 186 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: 34.6s, OverallIterations: 21, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 27.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.3s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 956 SdHoareTripleChecker+Valid, 5.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 585 mSDsluCounter, 67 SdHoareTripleChecker+Invalid, 4.5s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 337 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 2534 IncrementalHoareTripleChecker+Invalid, 2871 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 337 mSolverCounterUnsat, 67 mSDtfsCounter, 2534 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 62 GetRequests, 26 SyntacticMatches, 0 SemanticMatches, 36 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=922occurred in iteration=0, InterpolantAutomatonStates: 78, 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, 5.6s InterpolantComputationTime, 2628 NumberOfCodeBlocks, 2628 NumberOfCodeBlocksAsserted, 21 NumberOfCheckSat, 2607 ConstructedInterpolants, 0 QuantifiedInterpolants, 3078 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 21 InterpolantComputations, 21 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 103 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2023-11-26 11:54:37,572 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_547c2542-90b6-4e2f-9791-c70c3a3959ce/bin/uautomizer-verify-VRDe98Ueme/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