./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-data-race.prp --file ../../sv-benchmarks/c/pthread-race-challenges/per-thread-array-join-counter-race-4.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version 0e0057cc Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6dcdaa4e-f83a-4dc6-adcf-3d24f799dcad/bin/uautomizer-verify-VRDe98Ueme/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6dcdaa4e-f83a-4dc6-adcf-3d24f799dcad/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_6dcdaa4e-f83a-4dc6-adcf-3d24f799dcad/bin/uautomizer-verify-VRDe98Ueme/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6dcdaa4e-f83a-4dc6-adcf-3d24f799dcad/bin/uautomizer-verify-VRDe98Ueme/config/AutomizerReach.xml -i ../../sv-benchmarks/c/pthread-race-challenges/per-thread-array-join-counter-race-4.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6dcdaa4e-f83a-4dc6-adcf-3d24f799dcad/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_6dcdaa4e-f83a-4dc6-adcf-3d24f799dcad/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 12fde76b4484c87975ec3c2c6c513458a595d4b258864aadbba7a9ba15d60c4e --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-26 11:59:36,290 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-26 11:59:36,360 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6dcdaa4e-f83a-4dc6-adcf-3d24f799dcad/bin/uautomizer-verify-VRDe98Ueme/config/svcomp-DataRace-32bit-Automizer_Default.epf [2023-11-26 11:59:36,365 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-26 11:59:36,366 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-26 11:59:36,390 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-26 11:59:36,391 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-26 11:59:36,392 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-26 11:59:36,392 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-26 11:59:36,393 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-26 11:59:36,394 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-26 11:59:36,395 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-26 11:59:36,395 INFO L153 SettingsManager]: * Use SBE=true [2023-11-26 11:59:36,396 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-26 11:59:36,397 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-26 11:59:36,397 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-26 11:59:36,398 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-26 11:59:36,398 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-26 11:59:36,399 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-26 11:59:36,400 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-26 11:59:36,400 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-26 11:59:36,401 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-26 11:59:36,402 INFO L153 SettingsManager]: * Check absence of data races in concurrent programs=true [2023-11-26 11:59:36,402 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-26 11:59:36,403 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-26 11:59:36,403 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-26 11:59:36,404 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-26 11:59:36,404 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-26 11:59:36,405 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-26 11:59:36,405 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-26 11:59:36,406 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-26 11:59:36,407 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-26 11:59:36,407 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-26 11:59:36,407 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-26 11:59:36,408 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-26 11:59:36,408 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-26 11:59:36,409 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-26 11:59:36,409 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-26 11:59:36,409 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-26 11:59:36,410 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-26 11:59:36,410 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-26 11:59:36,410 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_6dcdaa4e-f83a-4dc6-adcf-3d24f799dcad/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6dcdaa4e-f83a-4dc6-adcf-3d24f799dcad/bin/uautomizer-verify-VRDe98Ueme Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 12fde76b4484c87975ec3c2c6c513458a595d4b258864aadbba7a9ba15d60c4e [2023-11-26 11:59:36,690 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-26 11:59:36,733 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-26 11:59:36,736 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-26 11:59:36,738 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-26 11:59:36,738 INFO L274 PluginConnector]: CDTParser initialized [2023-11-26 11:59:36,739 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6dcdaa4e-f83a-4dc6-adcf-3d24f799dcad/bin/uautomizer-verify-VRDe98Ueme/../../sv-benchmarks/c/pthread-race-challenges/per-thread-array-join-counter-race-4.i [2023-11-26 11:59:40,024 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-26 11:59:40,321 INFO L384 CDTParser]: Found 1 translation units. [2023-11-26 11:59:40,321 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6dcdaa4e-f83a-4dc6-adcf-3d24f799dcad/sv-benchmarks/c/pthread-race-challenges/per-thread-array-join-counter-race-4.i [2023-11-26 11:59:40,352 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6dcdaa4e-f83a-4dc6-adcf-3d24f799dcad/bin/uautomizer-verify-VRDe98Ueme/data/4761577be/5ce891ca424d48bbbd2831b06b41309b/FLAG6fa1ba273 [2023-11-26 11:59:40,367 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6dcdaa4e-f83a-4dc6-adcf-3d24f799dcad/bin/uautomizer-verify-VRDe98Ueme/data/4761577be/5ce891ca424d48bbbd2831b06b41309b [2023-11-26 11:59:40,370 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-26 11:59:40,372 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-26 11:59:40,373 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-26 11:59:40,374 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-26 11:59:40,379 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-26 11:59:40,380 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 11:59:40" (1/1) ... [2023-11-26 11:59:40,381 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@79f2090d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:59:40, skipping insertion in model container [2023-11-26 11:59:40,382 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 11:59:40" (1/1) ... [2023-11-26 11:59:40,433 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-26 11:59:40,985 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-26 11:59:41,002 INFO L202 MainTranslator]: Completed pre-run [2023-11-26 11:59:41,063 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-26 11:59:41,139 INFO L206 MainTranslator]: Completed translation [2023-11-26 11:59:41,140 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:59:41 WrapperNode [2023-11-26 11:59:41,140 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-26 11:59:41,141 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-26 11:59:41,142 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-26 11:59:41,142 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-26 11:59:41,150 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:59:41" (1/1) ... [2023-11-26 11:59:41,174 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:59:41" (1/1) ... [2023-11-26 11:59:41,207 INFO L138 Inliner]: procedures = 271, calls = 63, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 183 [2023-11-26 11:59:41,207 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-26 11:59:41,208 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-26 11:59:41,209 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-26 11:59:41,209 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-26 11:59:41,219 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:59:41" (1/1) ... [2023-11-26 11:59:41,220 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:59:41" (1/1) ... [2023-11-26 11:59:41,237 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:59:41" (1/1) ... [2023-11-26 11:59:41,237 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:59:41" (1/1) ... [2023-11-26 11:59:41,272 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:59:41" (1/1) ... [2023-11-26 11:59:41,276 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:59:41" (1/1) ... [2023-11-26 11:59:41,280 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:59:41" (1/1) ... [2023-11-26 11:59:41,297 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:59:41" (1/1) ... [2023-11-26 11:59:41,303 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-26 11:59:41,304 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-26 11:59:41,304 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-26 11:59:41,304 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-26 11:59:41,305 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:59:41" (1/1) ... [2023-11-26 11:59:41,316 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-26 11:59:41,331 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6dcdaa4e-f83a-4dc6-adcf-3d24f799dcad/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 11:59:41,346 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6dcdaa4e-f83a-4dc6-adcf-3d24f799dcad/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2023-11-26 11:59:41,376 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6dcdaa4e-f83a-4dc6-adcf-3d24f799dcad/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2023-11-26 11:59:41,409 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-26 11:59:41,409 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-11-26 11:59:41,410 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-26 11:59:41,410 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2023-11-26 11:59:41,410 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexUnlock [2023-11-26 11:59:41,410 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-26 11:59:41,411 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-26 11:59:41,411 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2023-11-26 11:59:41,411 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-26 11:59:41,412 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-26 11:59:41,412 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-11-26 11:59:41,412 INFO L130 BoogieDeclarations]: Found specification of procedure cleaner [2023-11-26 11:59:41,413 INFO L138 BoogieDeclarations]: Found implementation of procedure cleaner [2023-11-26 11:59:41,413 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-26 11:59:41,415 INFO L130 BoogieDeclarations]: Found specification of procedure thread [2023-11-26 11:59:41,416 INFO L138 BoogieDeclarations]: Found implementation of procedure thread [2023-11-26 11:59:41,416 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-26 11:59:41,416 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-26 11:59:41,418 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 11:59:41,645 INFO L241 CfgBuilder]: Building ICFG [2023-11-26 11:59:41,648 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-26 11:59:42,303 INFO L282 CfgBuilder]: Performing block encoding [2023-11-26 11:59:42,376 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-26 11:59:42,379 INFO L309 CfgBuilder]: Removed 5 assume(true) statements. [2023-11-26 11:59:42,382 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 11:59:42 BoogieIcfgContainer [2023-11-26 11:59:42,382 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-26 11:59:42,385 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-26 11:59:42,386 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-26 11:59:42,389 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-26 11:59:42,389 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 26.11 11:59:40" (1/3) ... [2023-11-26 11:59:42,391 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4964383f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.11 11:59:42, skipping insertion in model container [2023-11-26 11:59:42,392 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:59:41" (2/3) ... [2023-11-26 11:59:42,393 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4964383f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.11 11:59:42, skipping insertion in model container [2023-11-26 11:59:42,393 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 11:59:42" (3/3) ... [2023-11-26 11:59:42,395 INFO L112 eAbstractionObserver]: Analyzing ICFG per-thread-array-join-counter-race-4.i [2023-11-26 11:59:42,405 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2023-11-26 11:59:42,418 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-26 11:59:42,418 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 33 error locations. [2023-11-26 11:59:42,418 INFO L514 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-11-26 11:59:42,533 INFO L144 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2023-11-26 11:59:42,591 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 400 places, 409 transitions, 832 flow [2023-11-26 11:59:42,910 INFO L124 PetriNetUnfolderBase]: 21/546 cut-off events. [2023-11-26 11:59:42,911 INFO L125 PetriNetUnfolderBase]: For 2/2 co-relation queries the response was YES. [2023-11-26 11:59:42,931 INFO L83 FinitePrefix]: Finished finitePrefix Result has 557 conditions, 546 events. 21/546 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 8. Compared 1249 event pairs, 0 based on Foata normal form. 0/463 useless extension candidates. Maximal degree in co-relation 434. Up to 6 conditions per place. [2023-11-26 11:59:42,932 INFO L82 GeneralOperation]: Start removeDead. Operand has 400 places, 409 transitions, 832 flow [2023-11-26 11:59:42,948 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 315 places, 320 transitions, 650 flow [2023-11-26 11:59:42,970 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-26 11:59:42,980 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;@27c11973, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-26 11:59:43,007 INFO L358 AbstractCegarLoop]: Starting to check reachability of 50 error locations. [2023-11-26 11:59:43,016 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2023-11-26 11:59:43,018 INFO L124 PetriNetUnfolderBase]: 0/37 cut-off events. [2023-11-26 11:59:43,018 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2023-11-26 11:59:43,018 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-26 11:59:43,019 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] [2023-11-26 11:59:43,020 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [cleanerErr0ASSERT_VIOLATIONDATA_RACE, cleanerErr1ASSERT_VIOLATIONDATA_RACE, cleanerErr2ASSERT_VIOLATIONDATA_RACE, cleanerErr3ASSERT_VIOLATIONDATA_RACE (and 46 more)] === [2023-11-26 11:59:43,028 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 11:59:43,028 INFO L85 PathProgramCache]: Analyzing trace with hash -1654742125, now seen corresponding path program 1 times [2023-11-26 11:59:43,041 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 11:59:43,042 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1972495812] [2023-11-26 11:59:43,042 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 11:59:43,043 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 11:59:43,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:59:43,342 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 11:59:43,343 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 11:59:43,343 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1972495812] [2023-11-26 11:59:43,344 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1972495812] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 11:59:43,344 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-26 11:59:43,344 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-26 11:59:43,346 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2129389670] [2023-11-26 11:59:43,347 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 11:59:43,358 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-26 11:59:43,364 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 11:59:43,401 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-26 11:59:43,402 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-26 11:59:43,505 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 364 out of 409 [2023-11-26 11:59:43,513 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 315 places, 320 transitions, 650 flow. Second operand has 3 states, 3 states have (on average 365.3333333333333) internal successors, (1096), 3 states have internal predecessors, (1096), 0 states have call successors, (0), 0 states 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 11:59:43,514 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-26 11:59:43,514 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 364 of 409 [2023-11-26 11:59:43,515 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-26 11:59:44,624 INFO L124 PetriNetUnfolderBase]: 418/3264 cut-off events. [2023-11-26 11:59:44,624 INFO L125 PetriNetUnfolderBase]: For 35/35 co-relation queries the response was YES. [2023-11-26 11:59:44,641 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3932 conditions, 3264 events. 418/3264 cut-off events. For 35/35 co-relation queries the response was YES. Maximal size of possible extension queue 53. Compared 24660 event pairs, 295 based on Foata normal form. 103/2900 useless extension candidates. Maximal degree in co-relation 3800. Up to 638 conditions per place. [2023-11-26 11:59:44,665 INFO L140 encePairwiseOnDemand]: 399/409 looper letters, 26 selfloop transitions, 2 changer transitions 1/310 dead transitions. [2023-11-26 11:59:44,665 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 313 places, 310 transitions, 686 flow [2023-11-26 11:59:44,666 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-26 11:59:44,669 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-26 11:59:44,685 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1128 transitions. [2023-11-26 11:59:44,691 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.9193154034229829 [2023-11-26 11:59:44,692 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1128 transitions. [2023-11-26 11:59:44,692 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1128 transitions. [2023-11-26 11:59:44,697 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-26 11:59:44,701 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1128 transitions. [2023-11-26 11:59:44,709 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 376.0) internal successors, (1128), 3 states have internal predecessors, (1128), 0 states have call successors, (0), 0 states 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 11:59:44,719 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 409.0) internal successors, (1636), 4 states have internal predecessors, (1636), 0 states have call successors, (0), 0 states 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 11:59:44,721 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 409.0) internal successors, (1636), 4 states have internal predecessors, (1636), 0 states have call successors, (0), 0 states 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 11:59:44,723 INFO L175 Difference]: Start difference. First operand has 315 places, 320 transitions, 650 flow. Second operand 3 states and 1128 transitions. [2023-11-26 11:59:44,725 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 313 places, 310 transitions, 686 flow [2023-11-26 11:59:44,733 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 312 places, 310 transitions, 685 flow, removed 0 selfloop flow, removed 1 redundant places. [2023-11-26 11:59:44,743 INFO L231 Difference]: Finished difference. Result has 312 places, 309 transitions, 631 flow [2023-11-26 11:59:44,746 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=409, PETRI_DIFFERENCE_MINUEND_FLOW=629, PETRI_DIFFERENCE_MINUEND_PLACES=310, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=310, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=308, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=631, PETRI_PLACES=312, PETRI_TRANSITIONS=309} [2023-11-26 11:59:44,751 INFO L281 CegarLoopForPetriNet]: 315 programPoint places, -3 predicate places. [2023-11-26 11:59:44,751 INFO L495 AbstractCegarLoop]: Abstraction has has 312 places, 309 transitions, 631 flow [2023-11-26 11:59:44,752 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 365.3333333333333) internal successors, (1096), 3 states have internal predecessors, (1096), 0 states have call successors, (0), 0 states 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 11:59:44,753 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-26 11:59:44,753 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-26 11:59:44,754 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-26 11:59:44,754 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [cleanerErr0ASSERT_VIOLATIONDATA_RACE, cleanerErr1ASSERT_VIOLATIONDATA_RACE, cleanerErr2ASSERT_VIOLATIONDATA_RACE, cleanerErr3ASSERT_VIOLATIONDATA_RACE (and 46 more)] === [2023-11-26 11:59:44,755 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 11:59:44,755 INFO L85 PathProgramCache]: Analyzing trace with hash -1062350280, now seen corresponding path program 1 times [2023-11-26 11:59:44,755 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 11:59:44,756 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1526620991] [2023-11-26 11:59:44,756 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 11:59:44,757 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 11:59:44,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:59:44,870 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-26 11:59:44,870 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 11:59:44,871 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1526620991] [2023-11-26 11:59:44,871 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1526620991] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 11:59:44,871 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-26 11:59:44,871 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-26 11:59:44,872 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1903388841] [2023-11-26 11:59:44,872 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 11:59:44,873 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-26 11:59:44,874 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 11:59:44,874 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-26 11:59:44,875 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-26 11:59:44,911 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 354 out of 409 [2023-11-26 11:59:44,913 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 312 places, 309 transitions, 631 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 11:59:44,913 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-26 11:59:44,913 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 354 of 409 [2023-11-26 11:59:44,914 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-26 11:59:45,992 INFO L124 PetriNetUnfolderBase]: 474/3572 cut-off events. [2023-11-26 11:59:45,992 INFO L125 PetriNetUnfolderBase]: For 36/36 co-relation queries the response was YES. [2023-11-26 11:59:46,010 INFO L83 FinitePrefix]: Finished finitePrefix Result has 4334 conditions, 3572 events. 474/3572 cut-off events. For 36/36 co-relation queries the response was YES. Maximal size of possible extension queue 68. Compared 27607 event pairs, 346 based on Foata normal form. 0/3106 useless extension candidates. Maximal degree in co-relation 4287. Up to 728 conditions per place. [2023-11-26 11:59:46,033 INFO L140 encePairwiseOnDemand]: 401/409 looper letters, 29 selfloop transitions, 1 changer transitions 0/302 dead transitions. [2023-11-26 11:59:46,034 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 306 places, 302 transitions, 677 flow [2023-11-26 11:59:46,034 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-26 11:59:46,035 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-26 11:59:46,037 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1099 transitions. [2023-11-26 11:59:46,038 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.895680521597392 [2023-11-26 11:59:46,039 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1099 transitions. [2023-11-26 11:59:46,039 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1099 transitions. [2023-11-26 11:59:46,041 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-26 11:59:46,041 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1099 transitions. [2023-11-26 11:59:46,045 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 366.3333333333333) internal successors, (1099), 3 states have internal predecessors, (1099), 0 states have call successors, (0), 0 states 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 11:59:46,050 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 409.0) internal successors, (1636), 4 states have internal predecessors, (1636), 0 states have call successors, (0), 0 states 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 11:59:46,052 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 409.0) internal successors, (1636), 4 states have internal predecessors, (1636), 0 states have call successors, (0), 0 states 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 11:59:46,052 INFO L175 Difference]: Start difference. First operand has 312 places, 309 transitions, 631 flow. Second operand 3 states and 1099 transitions. [2023-11-26 11:59:46,053 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 306 places, 302 transitions, 677 flow [2023-11-26 11:59:46,056 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 304 places, 302 transitions, 673 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-11-26 11:59:46,063 INFO L231 Difference]: Finished difference. Result has 304 places, 302 transitions, 615 flow [2023-11-26 11:59:46,065 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=409, PETRI_DIFFERENCE_MINUEND_FLOW=613, PETRI_DIFFERENCE_MINUEND_PLACES=302, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=302, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=301, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=615, PETRI_PLACES=304, PETRI_TRANSITIONS=302} [2023-11-26 11:59:46,067 INFO L281 CegarLoopForPetriNet]: 315 programPoint places, -11 predicate places. [2023-11-26 11:59:46,069 INFO L495 AbstractCegarLoop]: Abstraction has has 304 places, 302 transitions, 615 flow [2023-11-26 11:59:46,071 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 11:59:46,071 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-26 11:59:46,072 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] [2023-11-26 11:59:46,073 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-11-26 11:59:46,073 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE === [cleanerErr0ASSERT_VIOLATIONDATA_RACE, cleanerErr1ASSERT_VIOLATIONDATA_RACE, cleanerErr2ASSERT_VIOLATIONDATA_RACE, cleanerErr3ASSERT_VIOLATIONDATA_RACE (and 46 more)] === [2023-11-26 11:59:46,074 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 11:59:46,075 INFO L85 PathProgramCache]: Analyzing trace with hash 371578809, now seen corresponding path program 1 times [2023-11-26 11:59:46,075 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 11:59:46,082 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1437040137] [2023-11-26 11:59:46,082 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 11:59:46,083 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 11:59:46,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:59:46,894 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 11:59:46,894 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 11:59:46,895 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1437040137] [2023-11-26 11:59:46,895 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1437040137] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 11:59:46,895 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-26 11:59:46,896 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-26 11:59:46,896 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2036011950] [2023-11-26 11:59:46,896 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 11:59:46,897 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-26 11:59:46,897 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 11:59:46,898 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-26 11:59:46,898 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-11-26 11:59:47,501 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 302 out of 409 [2023-11-26 11:59:47,505 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 304 places, 302 transitions, 615 flow. Second operand has 6 states, 6 states have (on average 303.3333333333333) internal successors, (1820), 6 states have internal predecessors, (1820), 0 states have call successors, (0), 0 states 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 11:59:47,505 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-26 11:59:47,505 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 302 of 409 [2023-11-26 11:59:47,506 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-26 11:59:54,315 INFO L124 PetriNetUnfolderBase]: 11385/28409 cut-off events. [2023-11-26 11:59:54,316 INFO L125 PetriNetUnfolderBase]: For 81/81 co-relation queries the response was YES. [2023-11-26 11:59:54,410 INFO L83 FinitePrefix]: Finished finitePrefix Result has 45883 conditions, 28409 events. 11385/28409 cut-off events. For 81/81 co-relation queries the response was YES. Maximal size of possible extension queue 677. Compared 289618 event pairs, 10626 based on Foata normal form. 0/25605 useless extension candidates. Maximal degree in co-relation 45835. Up to 17394 conditions per place. [2023-11-26 11:59:54,546 INFO L140 encePairwiseOnDemand]: 403/409 looper letters, 67 selfloop transitions, 5 changer transitions 0/301 dead transitions. [2023-11-26 11:59:54,546 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 308 places, 301 transitions, 757 flow [2023-11-26 11:59:54,547 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-26 11:59:54,547 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-11-26 11:59:54,552 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1885 transitions. [2023-11-26 11:59:54,553 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.7681336593317033 [2023-11-26 11:59:54,553 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 1885 transitions. [2023-11-26 11:59:54,554 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 1885 transitions. [2023-11-26 11:59:54,555 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-26 11:59:54,555 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 1885 transitions. [2023-11-26 11:59:54,561 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 314.1666666666667) internal successors, (1885), 6 states have internal predecessors, (1885), 0 states have call successors, (0), 0 states 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 11:59:54,568 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 409.0) internal successors, (2863), 7 states have internal predecessors, (2863), 0 states have call successors, (0), 0 states 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 11:59:54,571 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 409.0) internal successors, (2863), 7 states have internal predecessors, (2863), 0 states have call successors, (0), 0 states 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 11:59:54,572 INFO L175 Difference]: Start difference. First operand has 304 places, 302 transitions, 615 flow. Second operand 6 states and 1885 transitions. [2023-11-26 11:59:54,572 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 308 places, 301 transitions, 757 flow [2023-11-26 11:59:54,576 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 307 places, 301 transitions, 756 flow, removed 0 selfloop flow, removed 1 redundant places. [2023-11-26 11:59:54,582 INFO L231 Difference]: Finished difference. Result has 307 places, 301 transitions, 622 flow [2023-11-26 11:59:54,583 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=409, PETRI_DIFFERENCE_MINUEND_FLOW=612, PETRI_DIFFERENCE_MINUEND_PLACES=302, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=301, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=296, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=622, PETRI_PLACES=307, PETRI_TRANSITIONS=301} [2023-11-26 11:59:54,584 INFO L281 CegarLoopForPetriNet]: 315 programPoint places, -8 predicate places. [2023-11-26 11:59:54,584 INFO L495 AbstractCegarLoop]: Abstraction has has 307 places, 301 transitions, 622 flow [2023-11-26 11:59:54,586 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 303.3333333333333) internal successors, (1820), 6 states have internal predecessors, (1820), 0 states have call successors, (0), 0 states 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 11:59:54,586 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-26 11:59:54,587 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 11:59:54,587 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-11-26 11:59:54,587 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE === [cleanerErr0ASSERT_VIOLATIONDATA_RACE, cleanerErr1ASSERT_VIOLATIONDATA_RACE, cleanerErr2ASSERT_VIOLATIONDATA_RACE, cleanerErr3ASSERT_VIOLATIONDATA_RACE (and 46 more)] === [2023-11-26 11:59:54,589 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 11:59:54,589 INFO L85 PathProgramCache]: Analyzing trace with hash -1311903049, now seen corresponding path program 1 times [2023-11-26 11:59:54,589 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 11:59:54,589 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1602153117] [2023-11-26 11:59:54,590 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 11:59:54,590 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 11:59:54,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:59:54,678 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 11:59:54,679 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 11:59:54,679 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1602153117] [2023-11-26 11:59:54,680 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1602153117] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 11:59:54,680 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-26 11:59:54,680 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-26 11:59:54,680 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1743657145] [2023-11-26 11:59:54,680 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 11:59:54,681 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-26 11:59:54,682 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 11:59:54,683 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-26 11:59:54,683 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-26 11:59:54,721 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 366 out of 409 [2023-11-26 11:59:54,723 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 307 places, 301 transitions, 622 flow. Second operand has 3 states, 3 states have (on average 367.3333333333333) internal successors, (1102), 3 states have internal predecessors, (1102), 0 states have call successors, (0), 0 states 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 11:59:54,723 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-26 11:59:54,724 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 366 of 409 [2023-11-26 11:59:54,724 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-26 11:59:55,631 INFO L124 PetriNetUnfolderBase]: 607/4180 cut-off events. [2023-11-26 11:59:55,632 INFO L125 PetriNetUnfolderBase]: For 38/38 co-relation queries the response was YES. [2023-11-26 11:59:55,655 INFO L83 FinitePrefix]: Finished finitePrefix Result has 5143 conditions, 4180 events. 607/4180 cut-off events. For 38/38 co-relation queries the response was YES. Maximal size of possible extension queue 65. Compared 34073 event pairs, 464 based on Foata normal form. 0/3685 useless extension candidates. Maximal degree in co-relation 5096. Up to 919 conditions per place. [2023-11-26 11:59:55,675 INFO L140 encePairwiseOnDemand]: 406/409 looper letters, 23 selfloop transitions, 2 changer transitions 0/300 dead transitions. [2023-11-26 11:59:55,676 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 308 places, 300 transitions, 670 flow [2023-11-26 11:59:55,676 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-26 11:59:55,676 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-26 11:59:55,680 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1124 transitions. [2023-11-26 11:59:55,681 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.9160554197229014 [2023-11-26 11:59:55,681 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1124 transitions. [2023-11-26 11:59:55,681 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1124 transitions. [2023-11-26 11:59:55,682 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-26 11:59:55,683 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1124 transitions. [2023-11-26 11:59:55,687 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 374.6666666666667) internal successors, (1124), 3 states have internal predecessors, (1124), 0 states have call successors, (0), 0 states 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 11:59:55,691 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 409.0) internal successors, (1636), 4 states have internal predecessors, (1636), 0 states have call successors, (0), 0 states 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 11:59:55,692 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 409.0) internal successors, (1636), 4 states have internal predecessors, (1636), 0 states have call successors, (0), 0 states 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 11:59:55,693 INFO L175 Difference]: Start difference. First operand has 307 places, 301 transitions, 622 flow. Second operand 3 states and 1124 transitions. [2023-11-26 11:59:55,693 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 308 places, 300 transitions, 670 flow [2023-11-26 11:59:55,696 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 303 places, 300 transitions, 660 flow, removed 0 selfloop flow, removed 5 redundant places. [2023-11-26 11:59:55,702 INFO L231 Difference]: Finished difference. Result has 303 places, 300 transitions, 614 flow [2023-11-26 11:59:55,703 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=409, PETRI_DIFFERENCE_MINUEND_FLOW=610, PETRI_DIFFERENCE_MINUEND_PLACES=301, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=300, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=298, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=614, PETRI_PLACES=303, PETRI_TRANSITIONS=300} [2023-11-26 11:59:55,704 INFO L281 CegarLoopForPetriNet]: 315 programPoint places, -12 predicate places. [2023-11-26 11:59:55,704 INFO L495 AbstractCegarLoop]: Abstraction has has 303 places, 300 transitions, 614 flow [2023-11-26 11:59:55,705 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 367.3333333333333) internal successors, (1102), 3 states have internal predecessors, (1102), 0 states have call successors, (0), 0 states 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 11:59:55,705 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-26 11:59:55,706 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 11:59:55,706 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-11-26 11:59:55,706 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE === [cleanerErr0ASSERT_VIOLATIONDATA_RACE, cleanerErr1ASSERT_VIOLATIONDATA_RACE, cleanerErr2ASSERT_VIOLATIONDATA_RACE, cleanerErr3ASSERT_VIOLATIONDATA_RACE (and 46 more)] === [2023-11-26 11:59:55,707 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 11:59:55,707 INFO L85 PathProgramCache]: Analyzing trace with hash 1644924562, now seen corresponding path program 1 times [2023-11-26 11:59:55,707 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 11:59:55,707 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2040979621] [2023-11-26 11:59:55,708 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 11:59:55,708 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 11:59:55,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:59:56,346 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 11:59:56,346 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 11:59:56,347 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2040979621] [2023-11-26 11:59:56,347 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2040979621] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 11:59:56,347 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-26 11:59:56,347 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-26 11:59:56,348 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [192808895] [2023-11-26 11:59:56,348 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 11:59:56,348 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-26 11:59:56,349 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 11:59:56,349 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-26 11:59:56,350 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-11-26 11:59:56,863 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 299 out of 409 [2023-11-26 11:59:56,866 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 303 places, 300 transitions, 614 flow. Second operand has 6 states, 6 states have (on average 301.0) internal successors, (1806), 6 states have internal predecessors, (1806), 0 states have call successors, (0), 0 states 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 11:59:56,867 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-26 11:59:56,867 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 299 of 409 [2023-11-26 11:59:56,867 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-26 12:00:02,446 INFO L124 PetriNetUnfolderBase]: 12513/29085 cut-off events. [2023-11-26 12:00:02,446 INFO L125 PetriNetUnfolderBase]: For 76/76 co-relation queries the response was YES. [2023-11-26 12:00:02,558 INFO L83 FinitePrefix]: Finished finitePrefix Result has 48148 conditions, 29085 events. 12513/29085 cut-off events. For 76/76 co-relation queries the response was YES. Maximal size of possible extension queue 745. Compared 287194 event pairs, 11520 based on Foata normal form. 0/27006 useless extension candidates. Maximal degree in co-relation 48100. Up to 18981 conditions per place. [2023-11-26 12:00:02,726 INFO L140 encePairwiseOnDemand]: 403/409 looper letters, 69 selfloop transitions, 5 changer transitions 0/299 dead transitions. [2023-11-26 12:00:02,726 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 307 places, 299 transitions, 760 flow [2023-11-26 12:00:02,727 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-26 12:00:02,727 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-11-26 12:00:02,732 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1869 transitions. [2023-11-26 12:00:02,733 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.7616136919315404 [2023-11-26 12:00:02,734 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 1869 transitions. [2023-11-26 12:00:02,734 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 1869 transitions. [2023-11-26 12:00:02,735 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-26 12:00:02,736 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 1869 transitions. [2023-11-26 12:00:02,742 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 311.5) internal successors, (1869), 6 states have internal predecessors, (1869), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 12:00:02,750 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 409.0) internal successors, (2863), 7 states have internal predecessors, (2863), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 12:00:02,752 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 409.0) internal successors, (2863), 7 states have internal predecessors, (2863), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 12:00:02,752 INFO L175 Difference]: Start difference. First operand has 303 places, 300 transitions, 614 flow. Second operand 6 states and 1869 transitions. [2023-11-26 12:00:02,752 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 307 places, 299 transitions, 760 flow [2023-11-26 12:00:02,755 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 305 places, 299 transitions, 756 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-11-26 12:00:02,760 INFO L231 Difference]: Finished difference. Result has 305 places, 299 transitions, 618 flow [2023-11-26 12:00:02,761 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=409, PETRI_DIFFERENCE_MINUEND_FLOW=608, PETRI_DIFFERENCE_MINUEND_PLACES=300, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=299, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=294, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=618, PETRI_PLACES=305, PETRI_TRANSITIONS=299} [2023-11-26 12:00:02,764 INFO L281 CegarLoopForPetriNet]: 315 programPoint places, -10 predicate places. [2023-11-26 12:00:02,764 INFO L495 AbstractCegarLoop]: Abstraction has has 305 places, 299 transitions, 618 flow [2023-11-26 12:00:02,765 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 301.0) internal successors, (1806), 6 states have internal predecessors, (1806), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 12:00:02,765 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-26 12:00:02,765 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] [2023-11-26 12:00:02,766 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2023-11-26 12:00:02,766 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE === [cleanerErr0ASSERT_VIOLATIONDATA_RACE, cleanerErr1ASSERT_VIOLATIONDATA_RACE, cleanerErr2ASSERT_VIOLATIONDATA_RACE, cleanerErr3ASSERT_VIOLATIONDATA_RACE (and 46 more)] === [2023-11-26 12:00:02,767 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 12:00:02,767 INFO L85 PathProgramCache]: Analyzing trace with hash 172648445, now seen corresponding path program 1 times [2023-11-26 12:00:02,767 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 12:00:02,768 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [986534595] [2023-11-26 12:00:02,768 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 12:00:02,772 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 12:00:02,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 12:00:03,524 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-26 12:00:03,524 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 12:00:03,525 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [986534595] [2023-11-26 12:00:03,525 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [986534595] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 12:00:03,525 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-26 12:00:03,525 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-26 12:00:03,525 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [223034896] [2023-11-26 12:00:03,526 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 12:00:03,526 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-26 12:00:03,527 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 12:00:03,527 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-26 12:00:03,528 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-11-26 12:00:04,242 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 324 out of 409 [2023-11-26 12:00:04,245 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 305 places, 299 transitions, 618 flow. Second operand has 6 states, 6 states have (on average 326.5) internal successors, (1959), 6 states have internal predecessors, (1959), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 12:00:04,245 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-26 12:00:04,245 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 324 of 409 [2023-11-26 12:00:04,245 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-26 12:00:07,202 INFO L124 PetriNetUnfolderBase]: 5272/17519 cut-off events. [2023-11-26 12:00:07,202 INFO L125 PetriNetUnfolderBase]: For 78/99 co-relation queries the response was YES. [2023-11-26 12:00:07,258 INFO L83 FinitePrefix]: Finished finitePrefix Result has 25810 conditions, 17519 events. 5272/17519 cut-off events. For 78/99 co-relation queries the response was YES. Maximal size of possible extension queue 369. Compared 177518 event pairs, 816 based on Foata normal form. 0/15884 useless extension candidates. Maximal degree in co-relation 25763. Up to 5121 conditions per place. [2023-11-26 12:00:07,347 INFO L140 encePairwiseOnDemand]: 378/409 looper letters, 169 selfloop transitions, 44 changer transitions 0/455 dead transitions. [2023-11-26 12:00:07,347 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 309 places, 455 transitions, 1370 flow [2023-11-26 12:00:07,348 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-26 12:00:07,348 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-11-26 12:00:07,353 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 2162 transitions. [2023-11-26 12:00:07,355 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.8810105949470253 [2023-11-26 12:00:07,355 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 2162 transitions. [2023-11-26 12:00:07,355 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 2162 transitions. [2023-11-26 12:00:07,357 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-26 12:00:07,358 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 2162 transitions. [2023-11-26 12:00:07,363 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 360.3333333333333) internal successors, (2162), 6 states have internal predecessors, (2162), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 12:00:07,369 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 409.0) internal successors, (2863), 7 states have internal predecessors, (2863), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 12:00:07,373 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 409.0) internal successors, (2863), 7 states have internal predecessors, (2863), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 12:00:07,374 INFO L175 Difference]: Start difference. First operand has 305 places, 299 transitions, 618 flow. Second operand 6 states and 2162 transitions. [2023-11-26 12:00:07,374 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 309 places, 455 transitions, 1370 flow [2023-11-26 12:00:07,384 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 304 places, 455 transitions, 1360 flow, removed 0 selfloop flow, removed 5 redundant places. [2023-11-26 12:00:07,392 INFO L231 Difference]: Finished difference. Result has 309 places, 342 transitions, 930 flow [2023-11-26 12:00:07,392 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=409, PETRI_DIFFERENCE_MINUEND_FLOW=606, PETRI_DIFFERENCE_MINUEND_PLACES=299, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=298, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=6, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=272, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=930, PETRI_PLACES=309, PETRI_TRANSITIONS=342} [2023-11-26 12:00:07,395 INFO L281 CegarLoopForPetriNet]: 315 programPoint places, -6 predicate places. [2023-11-26 12:00:07,396 INFO L495 AbstractCegarLoop]: Abstraction has has 309 places, 342 transitions, 930 flow [2023-11-26 12:00:07,397 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 326.5) internal successors, (1959), 6 states have internal predecessors, (1959), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 12:00:07,397 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-26 12:00:07,397 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] [2023-11-26 12:00:07,398 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2023-11-26 12:00:07,398 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONDATA_RACE === [cleanerErr0ASSERT_VIOLATIONDATA_RACE, cleanerErr1ASSERT_VIOLATIONDATA_RACE, cleanerErr2ASSERT_VIOLATIONDATA_RACE, cleanerErr3ASSERT_VIOLATIONDATA_RACE (and 46 more)] === [2023-11-26 12:00:07,398 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 12:00:07,398 INFO L85 PathProgramCache]: Analyzing trace with hash 762593732, now seen corresponding path program 1 times [2023-11-26 12:00:07,399 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 12:00:07,399 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [848330548] [2023-11-26 12:00:07,399 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 12:00:07,399 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 12:00:07,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 12:00:07,502 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-26 12:00:07,502 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 12:00:07,502 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [848330548] [2023-11-26 12:00:07,502 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [848330548] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 12:00:07,502 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-26 12:00:07,503 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-26 12:00:07,503 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [867393603] [2023-11-26 12:00:07,503 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 12:00:07,503 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-26 12:00:07,505 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 12:00:07,506 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-26 12:00:07,506 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-26 12:00:07,530 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 364 out of 409 [2023-11-26 12:00:07,532 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 309 places, 342 transitions, 930 flow. Second operand has 3 states, 3 states have (on average 365.3333333333333) internal successors, (1096), 3 states have internal predecessors, (1096), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 12:00:07,532 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-26 12:00:07,532 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 364 of 409 [2023-11-26 12:00:07,532 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-26 12:00:11,696 INFO L124 PetriNetUnfolderBase]: 3687/21345 cut-off events. [2023-11-26 12:00:11,696 INFO L125 PetriNetUnfolderBase]: For 1097/1518 co-relation queries the response was YES. [2023-11-26 12:00:11,842 INFO L83 FinitePrefix]: Finished finitePrefix Result has 32136 conditions, 21345 events. 3687/21345 cut-off events. For 1097/1518 co-relation queries the response was YES. Maximal size of possible extension queue 267. Compared 244672 event pairs, 886 based on Foata normal form. 0/18455 useless extension candidates. Maximal degree in co-relation 32086. Up to 1827 conditions per place. [2023-11-26 12:00:11,937 INFO L140 encePairwiseOnDemand]: 398/409 looper letters, 40 selfloop transitions, 8 changer transitions 0/364 dead transitions. [2023-11-26 12:00:11,937 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 311 places, 364 transitions, 1076 flow [2023-11-26 12:00:11,938 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-26 12:00:11,938 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-26 12:00:11,941 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1143 transitions. [2023-11-26 12:00:11,942 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.9315403422982885 [2023-11-26 12:00:11,942 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1143 transitions. [2023-11-26 12:00:11,942 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1143 transitions. [2023-11-26 12:00:11,943 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-26 12:00:11,944 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1143 transitions. [2023-11-26 12:00:11,947 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 381.0) internal successors, (1143), 3 states have internal predecessors, (1143), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 12:00:11,950 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 409.0) internal successors, (1636), 4 states have internal predecessors, (1636), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 12:00:11,951 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 409.0) internal successors, (1636), 4 states have internal predecessors, (1636), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 12:00:11,951 INFO L175 Difference]: Start difference. First operand has 309 places, 342 transitions, 930 flow. Second operand 3 states and 1143 transitions. [2023-11-26 12:00:11,952 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 311 places, 364 transitions, 1076 flow [2023-11-26 12:00:11,959 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 311 places, 364 transitions, 1076 flow, removed 0 selfloop flow, removed 0 redundant places. [2023-11-26 12:00:11,965 INFO L231 Difference]: Finished difference. Result has 313 places, 350 transitions, 1000 flow [2023-11-26 12:00:11,966 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=409, PETRI_DIFFERENCE_MINUEND_FLOW=930, PETRI_DIFFERENCE_MINUEND_PLACES=309, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=342, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=334, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1000, PETRI_PLACES=313, PETRI_TRANSITIONS=350} [2023-11-26 12:00:11,967 INFO L281 CegarLoopForPetriNet]: 315 programPoint places, -2 predicate places. [2023-11-26 12:00:11,967 INFO L495 AbstractCegarLoop]: Abstraction has has 313 places, 350 transitions, 1000 flow [2023-11-26 12:00:11,967 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 365.3333333333333) internal successors, (1096), 3 states have internal predecessors, (1096), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 12:00:11,968 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-26 12:00:11,968 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] [2023-11-26 12:00:11,968 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2023-11-26 12:00:11,968 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr11ASSERT_VIOLATIONDATA_RACE === [cleanerErr0ASSERT_VIOLATIONDATA_RACE, cleanerErr1ASSERT_VIOLATIONDATA_RACE, cleanerErr2ASSERT_VIOLATIONDATA_RACE, cleanerErr3ASSERT_VIOLATIONDATA_RACE (and 46 more)] === [2023-11-26 12:00:11,969 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 12:00:11,969 INFO L85 PathProgramCache]: Analyzing trace with hash 404674263, now seen corresponding path program 1 times [2023-11-26 12:00:11,969 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 12:00:11,969 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2128529073] [2023-11-26 12:00:11,969 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 12:00:11,970 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 12:00:12,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 12:00:12,150 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-26 12:00:12,150 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 12:00:12,151 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2128529073] [2023-11-26 12:00:12,151 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2128529073] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 12:00:12,152 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-26 12:00:12,152 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-26 12:00:12,152 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [353474451] [2023-11-26 12:00:12,152 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 12:00:12,153 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-26 12:00:12,153 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 12:00:12,154 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-26 12:00:12,154 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2023-11-26 12:00:12,228 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 367 out of 409 [2023-11-26 12:00:12,231 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 313 places, 350 transitions, 1000 flow. Second operand has 5 states, 5 states have (on average 368.8) internal successors, (1844), 5 states have internal predecessors, (1844), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 12:00:12,231 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-26 12:00:12,231 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 367 of 409 [2023-11-26 12:00:12,231 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-26 12:00:16,872 INFO L124 PetriNetUnfolderBase]: 3211/21812 cut-off events. [2023-11-26 12:00:16,873 INFO L125 PetriNetUnfolderBase]: For 1454/1909 co-relation queries the response was YES. [2023-11-26 12:00:16,985 INFO L83 FinitePrefix]: Finished finitePrefix Result has 33151 conditions, 21812 events. 3211/21812 cut-off events. For 1454/1909 co-relation queries the response was YES. Maximal size of possible extension queue 329. Compared 260908 event pairs, 1268 based on Foata normal form. 3/19160 useless extension candidates. Maximal degree in co-relation 33096. Up to 2363 conditions per place. [2023-11-26 12:00:17,045 INFO L140 encePairwiseOnDemand]: 400/409 looper letters, 34 selfloop transitions, 8 changer transitions 0/365 dead transitions. [2023-11-26 12:00:17,046 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 318 places, 365 transitions, 1116 flow [2023-11-26 12:00:17,046 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-26 12:00:17,046 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-11-26 12:00:17,053 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 2245 transitions. [2023-11-26 12:00:17,055 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.9148329258353708 [2023-11-26 12:00:17,055 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 2245 transitions. [2023-11-26 12:00:17,055 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 2245 transitions. [2023-11-26 12:00:17,057 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-26 12:00:17,057 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 2245 transitions. [2023-11-26 12:00:17,064 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 374.1666666666667) internal successors, (2245), 6 states have internal predecessors, (2245), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 12:00:17,071 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 409.0) internal successors, (2863), 7 states have internal predecessors, (2863), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 12:00:17,073 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 409.0) internal successors, (2863), 7 states have internal predecessors, (2863), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 12:00:17,073 INFO L175 Difference]: Start difference. First operand has 313 places, 350 transitions, 1000 flow. Second operand 6 states and 2245 transitions. [2023-11-26 12:00:17,074 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 318 places, 365 transitions, 1116 flow [2023-11-26 12:00:17,084 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 316 places, 365 transitions, 1100 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-11-26 12:00:17,091 INFO L231 Difference]: Finished difference. Result has 320 places, 355 transitions, 1034 flow [2023-11-26 12:00:17,092 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=409, PETRI_DIFFERENCE_MINUEND_FLOW=984, PETRI_DIFFERENCE_MINUEND_PLACES=311, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=350, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=342, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=1034, PETRI_PLACES=320, PETRI_TRANSITIONS=355} [2023-11-26 12:00:17,092 INFO L281 CegarLoopForPetriNet]: 315 programPoint places, 5 predicate places. [2023-11-26 12:00:17,093 INFO L495 AbstractCegarLoop]: Abstraction has has 320 places, 355 transitions, 1034 flow [2023-11-26 12:00:17,094 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 368.8) internal successors, (1844), 5 states have internal predecessors, (1844), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 12:00:17,094 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-26 12:00:17,094 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] [2023-11-26 12:00:17,095 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2023-11-26 12:00:17,095 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting cleanerErr2ASSERT_VIOLATIONDATA_RACE === [cleanerErr0ASSERT_VIOLATIONDATA_RACE, cleanerErr1ASSERT_VIOLATIONDATA_RACE, cleanerErr2ASSERT_VIOLATIONDATA_RACE, cleanerErr3ASSERT_VIOLATIONDATA_RACE (and 46 more)] === [2023-11-26 12:00:17,095 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 12:00:17,095 INFO L85 PathProgramCache]: Analyzing trace with hash 802001376, now seen corresponding path program 1 times [2023-11-26 12:00:17,096 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 12:00:17,096 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1316142573] [2023-11-26 12:00:17,096 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 12:00:17,096 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 12:00:17,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 12:00:17,179 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-26 12:00:17,179 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 12:00:17,180 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1316142573] [2023-11-26 12:00:17,180 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1316142573] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 12:00:17,180 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-26 12:00:17,180 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-26 12:00:17,180 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1642413571] [2023-11-26 12:00:17,181 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 12:00:17,181 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-26 12:00:17,181 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 12:00:17,182 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-26 12:00:17,182 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-26 12:00:17,206 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 360 out of 409 [2023-11-26 12:00:17,208 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 320 places, 355 transitions, 1034 flow. Second operand has 3 states, 3 states have (on average 361.6666666666667) internal successors, (1085), 3 states have internal predecessors, (1085), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 12:00:17,208 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-26 12:00:17,209 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 360 of 409 [2023-11-26 12:00:17,209 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-26 12:00:23,462 INFO L124 PetriNetUnfolderBase]: 4909/28997 cut-off events. [2023-11-26 12:00:23,462 INFO L125 PetriNetUnfolderBase]: For 1580/2016 co-relation queries the response was YES. [2023-11-26 12:00:23,680 INFO L83 FinitePrefix]: Finished finitePrefix Result has 44836 conditions, 28997 events. 4909/28997 cut-off events. For 1580/2016 co-relation queries the response was YES. Maximal size of possible extension queue 371. Compared 350198 event pairs, 1832 based on Foata normal form. 0/26118 useless extension candidates. Maximal degree in co-relation 44777. Up to 4419 conditions per place. [2023-11-26 12:00:23,786 INFO L140 encePairwiseOnDemand]: 402/409 looper letters, 33 selfloop transitions, 3 changer transitions 0/363 dead transitions. [2023-11-26 12:00:23,787 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 318 places, 363 transitions, 1125 flow [2023-11-26 12:00:23,787 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-26 12:00:23,787 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-26 12:00:23,791 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1120 transitions. [2023-11-26 12:00:23,792 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.9127954360228199 [2023-11-26 12:00:23,792 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1120 transitions. [2023-11-26 12:00:23,792 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1120 transitions. [2023-11-26 12:00:23,793 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-26 12:00:23,793 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1120 transitions. [2023-11-26 12:00:23,798 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 373.3333333333333) internal successors, (1120), 3 states have internal predecessors, (1120), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 12:00:23,803 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 409.0) internal successors, (1636), 4 states have internal predecessors, (1636), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 12:00:23,804 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 409.0) internal successors, (1636), 4 states have internal predecessors, (1636), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 12:00:23,804 INFO L175 Difference]: Start difference. First operand has 320 places, 355 transitions, 1034 flow. Second operand 3 states and 1120 transitions. [2023-11-26 12:00:23,804 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 318 places, 363 transitions, 1125 flow [2023-11-26 12:00:23,815 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 317 places, 363 transitions, 1121 flow, removed 0 selfloop flow, removed 1 redundant places. [2023-11-26 12:00:23,823 INFO L231 Difference]: Finished difference. Result has 318 places, 354 transitions, 1043 flow [2023-11-26 12:00:23,824 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=409, PETRI_DIFFERENCE_MINUEND_FLOW=1022, PETRI_DIFFERENCE_MINUEND_PLACES=315, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=351, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=348, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1043, PETRI_PLACES=318, PETRI_TRANSITIONS=354} [2023-11-26 12:00:23,825 INFO L281 CegarLoopForPetriNet]: 315 programPoint places, 3 predicate places. [2023-11-26 12:00:23,825 INFO L495 AbstractCegarLoop]: Abstraction has has 318 places, 354 transitions, 1043 flow [2023-11-26 12:00:23,826 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 361.6666666666667) internal successors, (1085), 3 states have internal predecessors, (1085), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 12:00:23,826 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-26 12:00:23,826 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] [2023-11-26 12:00:23,826 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2023-11-26 12:00:23,827 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr15ASSERT_VIOLATIONDATA_RACE === [cleanerErr0ASSERT_VIOLATIONDATA_RACE, cleanerErr1ASSERT_VIOLATIONDATA_RACE, cleanerErr2ASSERT_VIOLATIONDATA_RACE, cleanerErr3ASSERT_VIOLATIONDATA_RACE (and 46 more)] === [2023-11-26 12:00:23,827 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 12:00:23,828 INFO L85 PathProgramCache]: Analyzing trace with hash 1112863264, now seen corresponding path program 1 times [2023-11-26 12:00:23,828 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 12:00:23,828 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2103864412] [2023-11-26 12:00:23,828 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 12:00:23,829 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 12:00:23,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 12:00:24,571 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-26 12:00:24,571 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 12:00:24,572 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2103864412] [2023-11-26 12:00:24,572 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2103864412] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 12:00:24,572 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-26 12:00:24,572 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-26 12:00:24,573 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1480676202] [2023-11-26 12:00:24,573 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 12:00:24,574 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-26 12:00:24,574 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 12:00:24,575 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-26 12:00:24,575 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-11-26 12:00:25,436 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 342 out of 409 [2023-11-26 12:00:25,439 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 318 places, 354 transitions, 1043 flow. Second operand has 6 states, 6 states have (on average 345.0) internal successors, (2070), 6 states have internal predecessors, (2070), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 12:00:25,439 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-26 12:00:25,440 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 342 of 409 [2023-11-26 12:00:25,440 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-26 12:00:30,952 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([792] L1045-5-->L1045-8: Formula: (and (= |v_#pthreadsMutex_39| (store |v_#pthreadsMutex_40| |v_cleanerThread1of1ForFork0_#t~mem19.base_3| (store (select |v_#pthreadsMutex_40| |v_cleanerThread1of1ForFork0_#t~mem19.base_3|) (+ (* v_cleanerThread1of1ForFork0_~i~1_21 24) |v_cleanerThread1of1ForFork0_#t~mem19.offset_3|) 0))) (= |v_cleanerThread1of1ForFork0_#t~nondet20_1| 0)) InVars {cleanerThread1of1ForFork0_#t~mem19.offset=|v_cleanerThread1of1ForFork0_#t~mem19.offset_3|, #pthreadsMutex=|v_#pthreadsMutex_40|, cleanerThread1of1ForFork0_~i~1=v_cleanerThread1of1ForFork0_~i~1_21, cleanerThread1of1ForFork0_#t~mem19.base=|v_cleanerThread1of1ForFork0_#t~mem19.base_3|} OutVars{cleanerThread1of1ForFork0_#t~mem19.offset=|v_cleanerThread1of1ForFork0_#t~mem19.offset_3|, #pthreadsMutex=|v_#pthreadsMutex_39|, cleanerThread1of1ForFork0_~i~1=v_cleanerThread1of1ForFork0_~i~1_21, cleanerThread1of1ForFork0_#t~mem19.base=|v_cleanerThread1of1ForFork0_#t~mem19.base_3|, cleanerThread1of1ForFork0_#t~nondet20=|v_cleanerThread1of1ForFork0_#t~nondet20_1|} AuxVars[] AssignedVars[#pthreadsMutex, cleanerThread1of1ForFork0_#t~nondet20][236], [Black: 450#(<= ~threads_total~0 0), Black: 451#(and (<= ~threads_total~0 0) (= |ULTIMATE.start_main_~i~3#1| 0)), Black: 449#(= |ULTIMATE.start_main_~i~2#1| 0), Black: 453#(and (= |ULTIMATE.start_main_~i~2#1| 0) (<= ~threads_total~0 0)), 434#(and (= (select (select |#race| |~#datas_mutex~0.base|) (+ |~#datas_mutex~0.offset| 1)) 0) (= (select (select |#race| |~#datas_mutex~0.base|) |~#datas_mutex~0.offset|) 0) (= (select (select |#race| |~#datas_mutex~0.base|) (+ 3 |~#datas_mutex~0.offset|)) 0) (= (select (select |#race| |~#datas_mutex~0.base|) (+ 2 |~#datas_mutex~0.offset|)) 0)), Black: 459#true, threadThread1of1ForFork1InUse, 461#(= |#race~datas~0| 0), cleanerThread1of1ForFork0InUse, Black: 433#(and (= (select (select |#race| |~#datas_mutex~0.base|) (+ |~#datas_mutex~0.offset| 1)) 0) (= (select (select |#race| |~#datas_mutex~0.base|) |~#datas_mutex~0.offset|) 0) (= (select (select |#race| |~#datas_mutex~0.base|) (+ 2 |~#datas_mutex~0.offset|)) 0)), Black: 432#(and (= (select (select |#race| |~#datas_mutex~0.base|) (+ |~#datas_mutex~0.offset| 1)) 0) (= (select (select |#race| |~#datas_mutex~0.base|) |~#datas_mutex~0.offset|) 0)), Black: 431#(= (select (select |#race| |~#datas_mutex~0.base|) |~#datas_mutex~0.offset|) 0), Black: 429#true, 354#L1061-7true, 103#L1028-9true, 184#L1045-8true, 469#(and (= (select (select |#race| |~#tids~0.base|) (+ |~#tids~0.offset| 1)) 0) (= (select (select |#race| |~#tids~0.base|) |~#tids~0.offset|) 0) (= (select (select |#race| |~#tids~0.base|) (+ 2 |~#tids~0.offset|)) 0) (= (select (select |#race| |~#tids~0.base|) (+ |~#tids~0.offset| 3)) 0)), Black: 443#(= |#race~threads_alive~0| 0), 409#(= |#race~threads_total~0| 0)]) [2023-11-26 12:00:30,952 INFO L294 olderBase$Statistics]: this new event has 286 ancestors and is cut-off event [2023-11-26 12:00:30,952 INFO L297 olderBase$Statistics]: existing Event has 286 ancestors and is cut-off event [2023-11-26 12:00:30,952 INFO L297 olderBase$Statistics]: existing Event has 190 ancestors and is cut-off event [2023-11-26 12:00:30,952 INFO L297 olderBase$Statistics]: existing Event has 190 ancestors and is cut-off event